阅读说明：本技术 预见性驾驶车辆座椅调节方法、装置、系统及存储介质 (Predictive driving vehicle seat adjustment method, device, system and storage medium ) 是由 魏超 毛竹君 李端午 徐贤 李栋彬 曹丹领 王哲 鲁辉 李青春 于 2021-09-28 设计创作，主要内容包括：本发明公开了一种预见性驾驶车辆座椅调节方法、装置、系统及存储介质,所述方法通过获取当前道路的地图数据,根据地图数据获得下一段道路路面的路面等级信息；从预设数据库中获取与路面等级信息匹配的目标座椅气囊高度档位和目标减振器档位；获取当前车辆驶入下一段道路路面的预估时间,根据预估时间确定座椅及减振器的目标调节时刻,在目标调节时刻根据目标座椅气囊高度档位调节当前车辆的座椅,并根据目标减振器档位调节当前车辆的减振器；能够避免手动调节对驾驶安全的影响,实现了快速调节到合适的减振模式,通过提前预设定适合下段路面的减振模式,避免了实时调节时的调节效果之后对驾驶员产生的短时冲击感,提升了驾驶员的驾驶体验。(The invention discloses a seat adjusting method, a device, a system and a storage medium for a predictive driving vehicle, wherein the method obtains map data of a current road and obtains road surface grade information of a next section of road surface according to the map data; acquiring a target seat airbag height gear and a target shock absorber gear which are matched with the road surface grade information from a preset database; acquiring estimated time of a current vehicle driving into the next section of road surface, determining target adjusting time of a seat and a shock absorber according to the estimated time, adjusting the seat of the current vehicle according to the height gear of a target seat airbag at the target adjusting time, and adjusting the shock absorber of the current vehicle according to the gear of the target shock absorber; can avoid manual regulation to the influence of driving safety, realized quick adjustment to suitable damping mode, through presetting the damping mode that is fit for the hypomere road surface in advance, the short-time impact who produces the driver after the regulating effect when having avoided real-time adjustment feels, has promoted driver's driving experience.)

1. A predictive driver vehicle seat adjustment method, comprising:

obtaining map data of a current road, and obtaining road surface grade information of a next section of road surface according to the map data;

acquiring a target seat airbag height gear and a target shock absorber gear which are matched with the road surface grade information from a preset database;

acquiring the estimated time of the current vehicle driving into the next section of road surface, determining the target adjusting time of a seat and a shock absorber according to the estimated time, adjusting the seat of the current vehicle according to the height gear of the airbag of the target seat at the target adjusting time, and adjusting the shock absorber of the current vehicle according to the gear of the target shock absorber.

2. The predictive driving vehicle seat adjustment method according to claim 1, wherein the obtaining of the map data of the current road and the obtaining of the road surface grade information of the next road surface section from the map data includes:

reading map data on the CAN line through a data reading unit;

and determining the next section of road pavement different from the current road pavement according to the map data to obtain the pavement grade information of the next section of road pavement.

3. The predictive driving vehicle seat adjustment method of claim 1, wherein said obtaining a target seat airbag height gear and a target damper gear matching the road surface grade information from a preset database comprises:

searching seat gear information matched with the road surface grade information in a preset database, and taking a gear corresponding to the seat gear information as a target seat airbag height gear;

and searching vibration reduction gear information matched with the road surface grade information in the preset database, and taking a gear corresponding to the vibration reduction gear information as a target vibration absorber gear.

4. The predictive driving vehicle seat adjustment method of claim 1, wherein the obtaining of the estimated time for the current vehicle to travel into the next road surface, determining a target adjustment time for the seat and the shock absorber based on the estimated time, adjusting the seat of the current vehicle based on the target seat airbag height gear at the target adjustment time, and adjusting the shock absorber of the current vehicle based on the target shock absorber gear comprises:

acquiring the speed of a current vehicle and the distance between the current vehicle and a next road section, and determining the estimated time of the current vehicle entering the next road section according to the speed and the distance;

determining the target adjusting time for adjusting the seat and the shock absorber according to the estimated time and the preset control time;

and acquiring a current seat gear and a current damper gear of the current vehicle, adjusting the seat of the current vehicle according to the target seat airbag height gear and the current seat gear at the target adjusting moment, and adjusting the damper of the current vehicle according to the target damper gear and the current damper gear.

5. The predictive driving vehicle seat adjustment method of claim 4, wherein the obtaining a speed of a current vehicle and a distance of the current vehicle from a next road segment, and determining an estimated time for the current vehicle to travel to the next road segment based on the speed and the distance comprises:

the method comprises the steps of obtaining the running speed of a current vehicle and the distance between the current vehicle and a next road section, and determining the estimated time of the current vehicle running into the next road section through the following formula when the current vehicle runs at a constant speed:

△t＝L/V

wherein, Δ t is the estimated time of the current vehicle driving into the next section of road surface, L is the distance between the current vehicle and the next section of road, and V is the driving speed of the current vehicle;

when the current vehicle is driven at a non-uniform speed, determining the estimated time of the current vehicle driving into the road surface of the next section by the following formula:

wherein, the delta t is the estimated time of the current vehicle driving into the next section of road surface, t₀Calculating an initial time, t, for said estimated time_jCalculating an end time for said estimated time, L_tFor calculating the distance of the estimated time, V_tIs the instantaneous speed.

6. The predictive driver vehicle seat adjustment method of claim 4, wherein said determining a target adjustment time for adjusting the seat and the shock absorber based on the estimated time and a preset control time comprises:

and detecting the residual time of the estimated time in real time, and taking the time when the residual time is equal to the preset control time as the target adjusting time for adjusting the seat and the shock absorber.

7. The predictive driving vehicle seat adjustment method of claim 4, wherein said obtaining a current seat gear and a current damper gear of the current vehicle, adjusting a seat of the current vehicle at the target adjustment time based on the target seat airbag height gear and the current seat gear, and adjusting a damper of the current vehicle based on the target damper gear and the current damper gear comprises:

acquiring a current seat gear and a current damper gear of the current vehicle;

determining a seat gear adjusting amplitude according to the current seat gear and the target seat airbag height gear, and determining a damper gear adjusting amplitude according to the current damper gear and the target damper gear;

and adjusting the seat of the current vehicle according to the seat gear adjusting amplitude at the target adjusting moment, and adjusting the shock absorber of the current vehicle according to the shock absorber gear adjusting amplitude.

8. A predictive driver vehicle seat adjustment arrangement, comprising:

the information acquisition module is used for acquiring map data of a current road and acquiring pavement grade information of a next section of road pavement according to the map data;

the gear determining module is used for acquiring a target seat airbag height gear and a target shock absorber gear which are matched with the road surface grade information from a preset database;

the adjusting module is used for acquiring the estimated time of the current vehicle driving into the next section of road surface, determining the target adjusting time of a seat and a shock absorber according to the estimated time, adjusting the seat of the current vehicle according to the height gear of the target seat airbag at the target adjusting time, and adjusting the shock absorber of the current vehicle according to the gear of the target shock absorber.

9. A predictive driver vehicle seat adjustment system, comprising: a seat damping structure mechanism control unit, a data reading unit, a data storage unit, a central processing unit and a predictive driving vehicle seat adjustment program stored on and executable on said data storage unit, said predictive driving vehicle seat adjustment program being configured to implement the steps of the predictive driving vehicle seat adjustment method as claimed in any one of claims 1 to 7.

10. A storage medium, characterized in that a predictive driving vehicle seat adjustment program is stored on the storage medium, which when executed by a processor implements the steps of the predictive driving vehicle seat adjustment method according to any one of claims 1 to 7.

Technical Field

The invention relates to the technical field of automobile seats, in particular to a predictive driving automobile seat adjusting method, device and system and a storage medium.

Background

With the continuous development of the logistics transportation industry in China, the logistics transportation is changed to a long distance and trans-regional transportation form, the driving time of a freight driver is longer and longer, and the requirement on the comfort level and the vibration damping performance of a seat is higher and higher when the driver faces complicated and variable road conditions.

In order to meet the requirements of drivers on higher comfort, the conventional seat vibration damping system has the functions of multi-gear height of a vibration damping air bag and multi-gear damping adjustment of damping; however, in the existing adjusting function, a user manually switches and adjusts the damping mode of the seat through an adjusting key, or the adaptive automatic adjustment is performed after real-time pavement data is collected through a sensor; this approach suffers from the following drawbacks: in the driving process, a driver cannot quickly adjust to the optimal state by manually adjusting the seat vibration damping mode, and the single-hand adjustment has a great influence on the driving safety; the adaptive automatic adjustment is carried out by acquiring real-time road surface data, the vehicle mainly carries out timely data acquisition on road surfaces, and the seat damping mode is adjusted by an automatic adjusting structure according to road surface data information, and the adjusting mode has the following defects: the timeliness is poor, and the adjustment is often carried out after the road surface changes, if the difference of the road surface conditions is large, short-time impact feeling can be generated to a driver, and the driving feeling of the driver is influenced.

Disclosure of Invention

The invention mainly aims to provide a seat adjusting method, a seat adjusting device, a seat adjusting system and a storage medium for a predictive driving vehicle, and aims to solve the technical problems that in the prior art, the seat vibration reduction manual adjustment in the driving process has large potential safety hazards, the seat adaptability automatic adjustment timeliness is poor, short-time impact feeling can be generated when the difference of road conditions is large, and the driving experience is poor.

In a first aspect, the present invention provides a predictive driver vehicle seat adjustment method comprising the steps of:

obtaining map data of a current road, and obtaining road surface grade information of a next section of road surface according to the map data;

acquiring a target seat airbag height gear and a target shock absorber gear which are matched with the road surface grade information from a preset database;

acquiring the estimated time of the current vehicle driving into the next section of road surface, determining the target adjusting time of a seat and a shock absorber according to the estimated time, adjusting the seat of the current vehicle according to the height gear of the airbag of the target seat at the target adjusting time, and adjusting the shock absorber of the current vehicle according to the gear of the target shock absorber.

Optionally, the obtaining the map data of the current road and obtaining the road surface grade information of the road surface of the next section according to the map data includes:

reading map data on the CAN line through a data reading unit;

and determining the next section of road pavement different from the current road pavement according to the map data to obtain the pavement grade information of the next section of road pavement.

Optionally, the obtaining a target seat airbag height gear and a target damper gear matched with the road surface grade information from a preset database includes:

searching seat gear information matched with the road surface grade information in a preset database, and taking a gear corresponding to the seat gear information as a target seat airbag height gear;

and searching vibration reduction gear information matched with the road surface grade information in the preset database, and taking a gear corresponding to the vibration reduction gear information as a target vibration absorber gear.

Optionally, the obtaining estimated time of the current vehicle driving into the next section of road surface, determining a target adjusting time of a seat and a shock absorber according to the estimated time, adjusting the seat of the current vehicle according to the height gear of the target seat airbag at the target adjusting time, and adjusting the shock absorber of the current vehicle according to the gear of the target shock absorber includes:

acquiring the speed of a current vehicle and the distance between the current vehicle and a next road section, and determining the estimated time of the current vehicle entering the next road section according to the speed and the distance;

determining the target adjusting time for adjusting the seat and the shock absorber according to the estimated time and the preset control time;

and acquiring a current seat gear and a current damper gear of the current vehicle, adjusting the seat of the current vehicle according to the target seat airbag height gear and the current seat gear at the target adjusting moment, and adjusting the damper of the current vehicle according to the target damper gear and the current damper gear.

Optionally, the obtaining a vehicle speed at which the current vehicle runs and a distance between the current vehicle and a next road section, and determining an estimated time for the current vehicle to drive into the next road section according to the vehicle speed and the distance includes:

the method comprises the steps of obtaining the running speed of a current vehicle and the distance between the current vehicle and a next road section, and determining the estimated time of the current vehicle running into the next road section through the following formula when the current vehicle runs at a constant speed:

△t＝L/V

wherein, Δ t is the estimated time of the current vehicle driving into the next section of road surface, L is the distance between the current vehicle and the next section of road, and V is the driving speed of the current vehicle;

when the current vehicle is driven at a non-uniform speed, determining the estimated time of the current vehicle driving into the road surface of the next section by the following formula:

wherein, the delta t is the estimated time of the current vehicle driving into the next section of road surface, t₀Calculating an initial time, t, for said estimated time_jCalculating an end time for said estimated time, L_tFor calculating the distance of the estimated time, V_tIs the instantaneous speed.

Optionally, the determining a target adjustment time for adjusting the seat and the shock absorber according to the estimated time and the preset control time includes:

and detecting the residual time of the estimated time in real time, and taking the time when the residual time is equal to the preset control time as the target adjusting time for adjusting the seat and the shock absorber.

Optionally, the acquiring a current seat gear and a current damper gear of the current vehicle, adjusting the seat of the current vehicle according to the target seat airbag height gear and the current seat gear at the target adjustment time, and adjusting the damper of the current vehicle according to the target damper gear and the current damper gear includes:

acquiring a current seat gear and a current damper gear of the current vehicle;

determining a seat gear adjusting amplitude according to the current seat gear and the target seat airbag height gear, and determining a damper gear adjusting amplitude according to the current damper gear and the target damper gear;

and adjusting the seat of the current vehicle according to the seat gear adjusting amplitude at the target adjusting moment, and adjusting the shock absorber of the current vehicle according to the shock absorber gear adjusting amplitude.

In a second aspect, to achieve the above object, the present invention also proposes a predictive driving vehicle seat adjusting apparatus comprising:

the information acquisition module is used for acquiring map data of a current road and acquiring pavement grade information of a next section of road pavement according to the map data;

the gear determining module is used for acquiring a target seat airbag height gear and a target shock absorber gear which are matched with the road surface grade information from a preset database;

the adjusting module is used for acquiring the estimated time of the current vehicle driving into the next section of road surface, determining the target adjusting time of a seat and a shock absorber according to the estimated time, adjusting the seat of the current vehicle according to the height gear of the target seat airbag at the target adjusting time, and adjusting the shock absorber of the current vehicle according to the gear of the target shock absorber.

In a third aspect, to achieve the above object, the present invention also proposes a predictive driving vehicle seat adjustment system comprising: a seat damping structure mechanism control unit, a data reading unit, a data storage unit, a central processing unit and a predictive driving vehicle seat adjustment program stored on and executable on said data storage unit, said predictive driving vehicle seat adjustment program being configured to implement the steps of the predictive driving vehicle seat adjustment method as described above.

In a fourth aspect, to achieve the above object, the present invention further proposes a storage medium having stored thereon a predictive driving vehicle seat adjustment program, which when executed by a processor, implements the steps of the predictive driving vehicle seat adjustment method as described above.

The predictive driving vehicle seat adjusting method provided by the invention obtains the road surface grade information of the road surface of the next section according to the map data by obtaining the map data of the current road; acquiring a target seat airbag height gear and a target shock absorber gear which are matched with the road surface grade information from a preset database; acquiring estimated time of a current vehicle driving into the next section of road surface, determining target adjusting time of a seat and a shock absorber according to the estimated time, adjusting the seat of the current vehicle according to the height gear of the airbag of the target seat at the target adjusting time, and adjusting the shock absorber of the current vehicle according to the gear of the target shock absorber; can the automatic switch-over seat damping mode, avoided manual regulation to the influence of driving safety, realized quick adjustment to suitable damping mode, promoted driver and passenger's comfort, through presetting the damping mode that is fit for the hypomere road surface in advance, the short-time impact who produces the driver after the regulation effect when having avoided real-time adjustment feels, has promoted driver's driving experience.

Drawings

FIG. 1 is a schematic diagram of the structure of a predictive driver vehicle seat adjustment system of the present invention;

FIG. 2 is a schematic flow chart of a first embodiment of a predictive driver vehicle seat adjustment method of the present invention;

FIG. 3 is a schematic flow chart of a second embodiment of a predictive driver vehicle seat adjustment method of the present invention;

FIG. 4 is a schematic flow chart diagram of a third embodiment of a predictive driver vehicle seat adjustment method of the present invention;

FIG. 5 is a schematic flow chart diagram of a fourth embodiment of a predictive driver vehicle seat adjustment method of the present invention;

FIG. 6 is a schematic flow chart of a fifth embodiment of a predictive driver vehicle seat adjustment method of the present invention;

FIG. 7 is a schematic flow chart diagram of a sixth embodiment of a predictive driver vehicle seat adjustment method of the invention;

fig. 8 is a functional block diagram of a first embodiment of a predictive driver's vehicle seat adjustment apparatus of the present invention.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The solution of the embodiment of the invention is mainly as follows: acquiring map data of a current road, and acquiring pavement grade information of a next section of road pavement according to the map data; acquiring a target seat airbag height gear and a target shock absorber gear which are matched with the road surface grade information from a preset database; acquiring estimated time of a current vehicle driving into the next section of road surface, determining target adjusting time of a seat and a shock absorber according to the estimated time, adjusting the seat of the current vehicle according to the height gear of the airbag of the target seat at the target adjusting time, and adjusting the shock absorber of the current vehicle according to the gear of the target shock absorber; can automatic switch-over seat damping mode, the influence of manual regulation to driving safety has been avoided, quick adjustment to suitable damping mode has been realized, driver and passenger's comfort has been promoted, through presetting the damping mode that is fit for hypomere road surface in advance, the short-time impact sense to driver production after the regulation effect when having avoided real-time adjustment, driver's driving experience has been promoted, there is great potential safety hazard in the seat damping manual regulation of having solved among the prior art driving process, seat adaptability automatically regulated ageing relatively poor, when road surface situation difference is great, can produce the impact sense in short time, the relatively poor technical problem of driving experience.

Referring to fig. 1, fig. 1 is a schematic view of the structure of a predictive driver's vehicle seat adjustment system of the present invention.

As shown in fig. 1, the system may include: a seat vibration damping structure mechanism control unit 100, a data reading unit 200, a data storage unit 300, and a central processing unit 400;

step one, the seat airbag height gear and the damper gear information are built in the seat adjusting system data storage unit 300.

And step two, the predictive driving system transmits the map information to a vehicle CAN line for other systems to read, and the data reading unit 200 of the seat adjusting system obtains the next section of road grade information by reading the road map data on the CAN line and inputs the next section of road grade information to the central processing unit 400.

Step three, after the seat adjusting system reads road map data on the CAN line, the central processing unit 400 of the seat adjusting system reads the height gear and the damper gear information of the seat airbag from the data storage unit 300, compares the road grade information with the height gear and the damper gear information of the seat airbag, and presets the airbag height gear and the damper gear information suitable for the lower section of road surface in advance;

and step four, the data reading unit 200 of the seat adjusting system reads the vehicle speed information and the distance information calculated by the predictive driving system, calculates the time difference of entering the lower section of the road surface, and inputs the air bag height gear and the damper gear information to the seat damping structure mechanism control unit 100 by the central controller 1S before entering the lower section of the road surface to complete the adjustment of the seat damping mode.

Through the steps, the automatic seat vibration damping mode switching can be realized, the influence of manual adjustment on driving safety is avoided, discomfort caused by the fact that the proper vibration damping mode cannot be adjusted quickly is avoided, and through predictive adjustment, the problem that the driving feeling of a driver is influenced due to the fact that the adjustment effect is delayed when real-time adjustment is carried out, and the driver is impacted for a short time is solved. As shown in fig. 1, a data storage unit 300 as a storage medium includes a predictive driving vehicle seat adjustment program in the data storage unit 300.

The device of the present invention calls a predictive driving vehicle seat adjustment program stored in the data storage unit 300 of the data storage unit 300 through the data reading unit 200 by the central processing unit 400, and performs the following operations:

obtaining map data of a current road, and obtaining road surface grade information of a next section of road surface according to the map data;

acquiring a target seat airbag height gear and a target shock absorber gear which are matched with the road surface grade information from a preset database;

acquiring the estimated time of the current vehicle driving into the next section of road surface, determining the target adjusting time of a seat and a shock absorber according to the estimated time, adjusting the seat of the current vehicle according to the height gear of the airbag of the target seat at the target adjusting time, and adjusting the shock absorber of the current vehicle according to the gear of the target shock absorber.

The apparatus of the present invention calls the predictive driving vehicle seat adjustment program stored in the data storage unit 300 through the central processing unit 400, and also performs the following operations:

reading map data on the CAN line through a data reading unit;

and determining the next section of road pavement different from the current road pavement according to the map data to obtain the pavement grade information of the next section of road pavement.

The apparatus of the present invention calls the predictive driving vehicle seat adjustment program stored in the data storage unit 300 through the central processing unit 400, and also performs the following operations:

searching seat gear information matched with the road surface grade information in a preset database, and taking a gear corresponding to the seat gear information as a target seat airbag height gear;

and searching vibration reduction gear information matched with the road surface grade information in the preset database, and taking a gear corresponding to the vibration reduction gear information as a target vibration absorber gear.

The apparatus of the present invention calls the predictive driving vehicle seat adjustment program stored in the data storage unit 300 through the central processing unit 400, and also performs the following operations:

acquiring the speed of a current vehicle and the distance between the current vehicle and a next road section, and determining the estimated time of the current vehicle entering the next road section according to the speed and the distance;

determining the target adjusting time for adjusting the seat and the shock absorber according to the estimated time and the preset control time;

and acquiring a current seat gear and a current damper gear of the current vehicle, adjusting the seat of the current vehicle according to the target seat airbag height gear and the current seat gear at the target adjusting moment, and adjusting the damper of the current vehicle according to the target damper gear and the current damper gear.

The apparatus of the present invention calls the predictive driving vehicle seat adjustment program stored in the data storage unit 300 through the central processing unit 400, and also performs the following operations:

the method comprises the steps of obtaining the running speed of a current vehicle and the distance between the current vehicle and a next road section, and determining the estimated time of the current vehicle running into the next road section through the following formula when the current vehicle runs at a constant speed:

△t＝L/V

wherein, Δ t is the estimated time of the current vehicle driving into the next section of road surface, L is the distance between the current vehicle and the next section of road, and V is the driving speed of the current vehicle;

when the current vehicle is driven at a non-uniform speed, determining the estimated time of the current vehicle driving into the road surface of the next section by the following formula:

wherein, the delta t is the estimated time of the current vehicle driving into the next section of road surface, t₀Calculating an initial time, t, for said estimated time_jCalculating an end time for said estimated time, L_tFor calculating the distance of the estimated time, V_tIs the instantaneous speed.

The apparatus of the present invention calls the predictive driving vehicle seat adjustment program stored in the data storage unit 300 through the central processing unit 400, and also performs the following operations:

and detecting the residual time of the estimated time in real time, and taking the time when the residual time is equal to the preset control time as the target adjusting time for adjusting the seat and the shock absorber.

The apparatus of the present invention calls the predictive driving vehicle seat adjustment program stored in the data storage unit 300 through the central processing unit 400, and also performs the following operations:

acquiring a current seat gear and a current damper gear of the current vehicle;

determining a seat gear adjusting amplitude according to the current seat gear and the target seat airbag height gear, and determining a damper gear adjusting amplitude according to the current damper gear and the target damper gear;

and adjusting the seat of the current vehicle according to the seat gear adjusting amplitude at the target adjusting moment, and adjusting the shock absorber of the current vehicle according to the shock absorber gear adjusting amplitude.

According to the scheme, the road surface grade information of the road surface of the next section is obtained according to the map data by obtaining the map data of the current road; acquiring a target seat airbag height gear and a target shock absorber gear which are matched with the road surface grade information from a preset database; acquiring estimated time of a current vehicle driving into the next section of road surface, determining target adjusting time of a seat and a shock absorber according to the estimated time, adjusting the seat of the current vehicle according to the height gear of the airbag of the target seat at the target adjusting time, and adjusting the shock absorber of the current vehicle according to the gear of the target shock absorber; can the automatic switch-over seat damping mode, avoided manual regulation to the influence of driving safety, realized quick adjustment to suitable damping mode, promoted driver and passenger's comfort, through presetting the damping mode that is fit for the hypomere road surface in advance, the short-time impact who produces the driver after the regulation effect when having avoided real-time adjustment feels, has promoted driver's driving experience.

Based on the hardware structure, the embodiment of the adjustment method of the predictive driving vehicle seat is provided.

Referring to fig. 2, fig. 2 is a schematic flow diagram of a first embodiment of a predictive driver vehicle seat adjustment method of the present invention.

In a first embodiment, the predictive driver vehicle seat adjustment method comprises the steps of:

and step S10, obtaining the map data of the current road, and obtaining the road surface grade information of the next section of road surface according to the map data.

The map data of the current road is road map data corresponding to a road on which the vehicle is currently running at the current time, and road surface grade information corresponding to a road surface of a next road different from the current road can be obtained through the map data.

And step S20, acquiring a target seat airbag height gear and a target shock absorber gear which are matched with the road surface grade information from a preset database.

It can be understood that the preset database is a preset database for storing mapping relations of different road surface grade information corresponding to different seat airbag height gears and different shock absorber gears; the adaptive seat airbag height gear and damper gear corresponding to the road surface grade information can be obtained from the preset database and are used as a target seat airbag height gear and a target damper gear; the preset database may be a local database or a cloud database, which is not limited in this embodiment.

And S30, acquiring the estimated time of the current vehicle driving into the next section of road surface, determining the target adjusting time of the seat and the shock absorber according to the estimated time, adjusting the seat of the current vehicle according to the height gear of the airbag of the target seat at the target adjusting time, and adjusting the shock absorber of the current vehicle according to the gear of the target shock absorber.

It should be understood that the estimated time is an estimated time difference of the current vehicle entering the next section of road surface from the current position, and by the estimated time, it can be determined at which time the seat and the shock absorber of the current vehicle are correspondingly adjusted, that is, a target adjustment time is determined, at which the seat of the current vehicle can be adjusted according to the target seat airbag height gear, and the shock absorber of the current vehicle can be adjusted according to the target shock absorber gear.

According to the scheme, the road surface grade information of the road surface of the next section is obtained according to the map data by obtaining the map data of the current road; acquiring a target seat airbag height gear and a target shock absorber gear which are matched with the road surface grade information from a preset database; acquiring estimated time of a current vehicle driving into the next section of road surface, determining target adjusting time of a seat and a shock absorber according to the estimated time, adjusting the seat of the current vehicle according to the height gear of the airbag of the target seat at the target adjusting time, and adjusting the shock absorber of the current vehicle according to the gear of the target shock absorber; can the automatic switch-over seat damping mode, avoided manual regulation to the influence of driving safety, realized quick adjustment to suitable damping mode, promoted driver and passenger's comfort, through presetting the damping mode that is fit for the hypomere road surface in advance, the short-time impact who produces the driver after the regulation effect when having avoided real-time adjustment feels, has promoted driver's driving experience.

Further, fig. 3 is a schematic flow chart of a second embodiment of the predictive driver 'S vehicle seat adjusting method according to the present invention, and as shown in fig. 3, the second embodiment of the predictive driver' S vehicle seat adjusting method according to the present invention is proposed based on the first embodiment, and in this embodiment, the step S10 specifically includes the following steps:

and step S11, reading the map data on the CAN line through the data reading unit.

It should be noted that, a Controller Area Network (CAN) bus of a current vehicle CAN be read by a data reading unit of a predictive driving vehicle seat adjusting device to obtain road map data of the current vehicle on a predicted driving road, corresponding map data CAN be obtained by satellite positioning or vehicle networking, or relevant map data CAN be determined by combining a pre-downloaded local map data with a navigation route, which is not limited in this embodiment; and after map data are obtained, the map data are output to the data reading unit through the CAN bus.

And step S12, determining the next road surface different from the current road surface according to the map data, and obtaining the road surface grade information of the next road surface.

It is understood that the map data may determine a road surface of a next road different from the road surface of the current road, and may obtain road surface information of the road surface of the next road, including road surface grade information related to a road surface grade.

In a specific implementation, the highway pavement CAN be an A-level pavement, the national road pavement is a B-level pavement, a vehicle runs on the highway pavement (the A-level pavement), map information is transmitted to a vehicle CAN line to be read by other systems, a data reading unit obtains that the vehicle turns to the national road pavement (the B-level pavement) at a high speed at a position 3KM ahead by reading road map data on the CAN line, and meanwhile, grade change information of the highway pavement CAN be reported to perform subsequent seat adjustment operation; the setting of the road surface grade can also be divided according to the functional grade, for example, the road is divided according to the use task, the function and the flow of the road, and the road is divided into five grades, namely, a highway, a first-grade road, a second-grade road, a third-grade road and a fourth-grade road; the highway can be divided into national road, provincial road, county road and the like according to the administrative level type grade, or divided into three levels of highway, expressway and common highway according to the words used by the speed,

according to the scheme, the map data on the CAN line is read through the data reading unit; determining the next section of road pavement different from the current road pavement according to the map data to obtain the pavement grade information of the next section of road pavement; the road surface grade information of the next section of road surface can be obtained in advance, preparation is made for subsequent seat adjustment, short-time impact feeling generated to a driver after the adjustment effect during real-time adjustment is avoided, and the driving experience of the driver is improved.

Further, fig. 4 is a schematic flow chart of a third embodiment of the predictive driver 'S vehicle seat adjusting method according to the present invention, and as shown in fig. 4, the third embodiment of the predictive driver' S vehicle seat adjusting method according to the present invention is proposed based on the first embodiment, and in this embodiment, the step S20 specifically includes the following steps:

and step S21, searching seat gear information matched with the road surface grade information in a preset database, and taking a gear corresponding to the seat gear information as a target seat airbag height gear.

It should be noted that the preset database is a preset database for storing mapping relationships between different road surface grade information corresponding to different seat airbag height gears and different shock absorber gears; and the adaptive seat airbag height gear corresponding to the road surface grade information can be acquired from the preset database.

And step S22, searching the vibration reduction gear information matched with the road surface grade information in the preset database, and taking the gear corresponding to the vibration reduction gear information as a target vibration absorber gear.

It is understood that the adapted damper gear corresponding to the road surface level information may be acquired from the preset database.

In specific implementation, generally, the height gears of the seat airbag can be set to be three gears of high, medium and low, the gears of the shock absorber also have three gears of small damping, medium and large damping, the height gears of the seat airbag and the gears of the shock absorber are combined with each other, 9 gear combinations are provided, and other gear combinations can be set, which is not limited in this embodiment; that is, the mapping relationship of different gear combinations corresponding to different road surface grade information may be obtained through training of a large amount of experimental data, or may be set by a technician according to daily operation experience, which is not limited in this embodiment.

According to the scheme, the seat gear information matched with the road surface grade information is searched in a preset database, and the gear corresponding to the seat gear information is used as the height gear of the air bag of the target seat; the damping gear information matched with the road surface grade information is searched in the preset database, the gear corresponding to the damping gear information is used as a target damper gear, the seat damping mode can be automatically switched, the influence of manual adjustment on driving safety is avoided, the quick adjustment to the proper damping mode is realized, and the comfort of a driver and passengers is improved.

Further, fig. 5 is a schematic flow chart of a fourth embodiment of the predictive-driving vehicle seat adjusting method according to the present invention, and as shown in fig. 5, the fourth embodiment of the predictive-driving vehicle seat adjusting method according to the present invention is proposed based on the first embodiment, and in this embodiment, the step S30 specifically includes the following steps:

and step S31, acquiring the speed of the current vehicle and the distance between the current vehicle and the next road section, and determining the estimated time of the current vehicle entering the next road section according to the speed and the distance.

It should be noted that the vehicle speed of the current vehicle may be obtained by a vehicle speed sensor of the current vehicle, a distance between the current vehicle and a next road, that is, a distance difference between a current vehicle position and a next road surface, may generally be determined by a current position of the current vehicle and map data, and an estimated time when the current vehicle enters the next road surface may be determined by the vehicle speed and the distance, that is, a time difference when the current vehicle enters the next road surface may be calculated according to the vehicle speed and the distance difference between the current vehicle position and the next road surface.

Further, the step S31 specifically includes the following steps:

the method comprises the steps of obtaining the running speed of a current vehicle and the distance between the current vehicle and a next road section, and determining the estimated time of the current vehicle running into the next road section through the following formula when the current vehicle runs at a constant speed:

△t＝L/V

wherein, Δ t is the estimated time of the current vehicle driving into the next section of road surface, L is the distance between the current vehicle and the next section of road, and V is the driving speed of the current vehicle;

when the current vehicle is driven at a non-uniform speed, determining the estimated time of the current vehicle driving into the road surface of the next section by the following formula:

wherein, the delta t is the estimated time of the current vehicle driving into the next section of road surface, t₀Calculating an initial time, t, for said estimated time_jCalculating an end time for said estimated time, L_tFor calculating the distance of the estimated time, V_tIs the instantaneous speed.

It should be understood that, when the current vehicle is running at a constant speed and running at a non-constant speed, the calculation mode of the estimated time when the current vehicle enters the next road section is different, different vehicle running states correspond to the estimated time when different vehicles enter the next road section, when the vehicle is switched between the constant speed and the non-constant speed, the estimated time when the current vehicle enters the next road section, that is, the time difference Δ t when the current vehicle enters the next road section, is calculated according to a non-constant speed running formula, and in the actual operation, the speed and the distance can be input to a central processing unit or a processor with a calculation capability or other components, so as to calculate the time difference when the current vehicle enters the next road section.

And step S32, determining and adjusting the target adjusting time of the seat and the shock absorber according to the estimated time and the preset control time.

It is understood that the preset control time is the preset time for performing corresponding control on the seat and the shock absorber, and may be generally set to 1S or 2S or other values, which is not limited in this embodiment; and determining the time for adjusting the seat and the shock absorber according to the estimated time and the preset control time.

And step S33, acquiring the current seat gear and the current damper gear of the current vehicle, adjusting the seat of the current vehicle according to the height gear of the target seat airbag and the current seat gear at the target adjusting moment, and adjusting the damper of the current vehicle according to the target damper gear and the current damper gear.

It should be understood that the current vehicle seat corresponds to a current seat gear and a damper gear, and that at the target adjustment time, the current vehicle seat can be adjusted according to the target seat airbag height gear and the current seat gear, and the current vehicle damper can be adjusted according to the target damper gear and the current damper gear.

According to the scheme, the estimated time of the current vehicle driving on the road surface of the next section of road is determined according to the vehicle speed and the distance by acquiring the vehicle speed of the current vehicle and the distance between the current vehicle and the road surface of the next section of road; determining the target adjusting time for adjusting the seat and the shock absorber according to the estimated time and the preset control time; acquiring a current seat gear and a current damper gear of the current vehicle, adjusting the seat of the current vehicle according to the height gear of the target seat airbag and the current seat gear at the target adjusting moment, and adjusting the damper of the current vehicle according to the target damper gear and the current damper gear; can the automatic switch-over seat damping mode, avoided manual regulation to the influence of driving safety, realized quick adjustment to suitable damping mode, promoted driver and passenger's comfort, through presetting the damping mode that is fit for the hypomere road surface in advance, the short-time impact who produces the driver after the regulation effect when having avoided real-time adjustment feels, has promoted driver's driving experience.

Further, fig. 6 is a schematic flow chart of a fifth embodiment of the predictive-driving vehicle seat adjusting method according to the present invention, and as shown in fig. 6, the fifth embodiment of the predictive-driving vehicle seat adjusting method according to the present invention is proposed based on the fourth embodiment, and in this embodiment, the step S32 specifically includes the following steps:

and S321, detecting the residual time of the estimated time in real time, and taking the time when the residual time is equal to the preset control time as the target adjusting time for adjusting the seat and the shock absorber.

It should be noted that the time for adjusting the seat and the shock absorber can be grasped in real time by monitoring the remaining time of the estimated time in real time, that is, the remaining time of the vehicle running on the next road, and then the time when the remaining time is equal to the preset control time can be used as the target adjusting time for adjusting the seat and the shock absorber.

In the concrete implementation, taking the preset control time 1S as an example, the Beijing time 14:01:10, when the remaining time length is 10S, the target adjusting time is uncertain, when the remaining time length is 1S, the remaining time length is equal to the preset control time, at the moment, the Beijing time 14:01:19, when the moment is taken as the target adjusting time, taking the preset control time 10S as an example, the Beijing time 14:01:10, when the remaining time length is 10S, the Beijing time 14:01:10 is taken as the target adjusting time; the central controller can input the information of the height gear of the air bag and the gear of the shock absorber into a control unit of a seat shock absorption structure mechanism to complete the adjustment of the seat shock absorption mode.

According to the scheme, the remaining time of the estimated time is detected in real time, the time when the remaining time is equal to the preset control time is used as the target adjusting time for adjusting the seat and the shock absorber, the adjusting timeliness of the seat and the shock absorber can be ensured, short-time impact feeling on a driver after the adjusting effect during real-time adjustment is avoided through pre-adjustment, and the driving experience of the driver is improved.

Further, fig. 7 is a schematic flowchart of a sixth embodiment of a predictive-driving vehicle seat adjusting method according to the present invention, and as shown in fig. 7, the sixth embodiment of the predictive-driving vehicle seat adjusting method according to the present invention is proposed based on the fourth embodiment, in this embodiment, the step S33 specifically includes the following steps:

and step S331, acquiring the current seat gear and the current damper gear of the current vehicle.

It should be noted that the current seat gear is a gear at which a current seat is located in a current driving state when the current vehicle is not subjected to gear adjustment, and the current damper gear is a gear at which a current vehicle damper is located in the current driving state when the current vehicle is not subjected to gear adjustment.

Step S332, determining a seat gear adjusting amplitude according to the current seat gear and the target seat airbag height gear, and determining a damper gear adjusting amplitude according to the current damper gear and the target damper gear.

It can be understood that the seat gear adjustment amplitude can be determined by comparing the current seat gear with the target seat airbag height gear, and the damper gear adjustment amplitude can be determined by comparing the current damper gear with the target damper gear.

And S333, adjusting the seat of the current vehicle according to the seat gear adjustment amplitude at the target adjustment moment, and adjusting the shock absorber of the current vehicle according to the shock absorber gear adjustment amplitude.

It should be understood that the seat of the vehicle in the gear stage can be adjusted according to the seat gear adjustment amplitude at the target adjustment time, that is, the height of the seat airbag is automatically adjusted to the target seat airbag height gear according to the seat gear adjustment amplitude, and meanwhile, the shock absorber mechanism control unit is controlled to automatically adjust the corresponding amplitude to the target shock absorber gear according to the shock absorber gear adjustment amplitude at the target adjustment time; by automatically switching the seat damping mode, the influence of manual adjustment on driving safety and the discomfort caused by incapability of quickly adjusting to a proper damping mode are avoided; and through predictive adjustment, the problems that the adjustment effect is lagged during real-time adjustment, short-time impact feeling is generated to a driver, and the driving feeling of the driver is influenced are solved.

According to the scheme, the current seat gear and the current damper gear of the current vehicle are obtained; determining a seat gear adjusting amplitude according to the current seat gear and the target seat airbag height gear, and determining a damper gear adjusting amplitude according to the current damper gear and the target damper gear; the seat of the current vehicle is adjusted according to the seat gear adjusting amplitude at the target adjusting moment, the shock absorber of the current vehicle is adjusted according to the shock absorber gear adjusting amplitude, the shock absorbing mode can be adjusted to be a proper shock absorbing mode quickly, the comfort of a driver and passengers is improved, the shock absorbing mode suitable for the lower section of road surface is preset in advance, the short-time impact feeling generated to the driver after the adjusting effect during real-time adjustment is avoided, and the driving experience of the driver is improved.

Accordingly, the present invention further provides a predictive driving vehicle seat adjustment apparatus.

Referring to fig. 8, fig. 8 is a functional block diagram of a first embodiment of a predictive driver's vehicle seat adjusting apparatus of the present invention.

In a first embodiment of the predictive driver vehicle seat adjustment apparatus of the invention, the predictive driver vehicle seat adjustment apparatus comprises:

the information obtaining module 10 is configured to obtain map data of a current road, and obtain road surface grade information of a next road section according to the map data.

And the gear determining module 20 is configured to obtain a target seat airbag height gear and a target damper gear, which are matched with the road surface grade information, from a preset database.

The adjusting module 30 is configured to obtain an estimated time for a current vehicle to enter a next section of road surface, determine a target adjusting time of a seat and a shock absorber according to the estimated time, adjust the seat of the current vehicle according to a height gear of the target seat airbag at the target adjusting time, and adjust the shock absorber of the current vehicle according to a gear of the target shock absorber.

The information acquisition module 10 is further configured to read map data on the CAN line through a data reading unit; and determining the next section of road pavement different from the current road pavement according to the map data to obtain the pavement grade information of the next section of road pavement.

The gear determining module 20 is further configured to search, in a preset database, seat gear information matched with the road surface grade information, and use a gear corresponding to the seat gear information as a target seat airbag height gear; and searching vibration reduction gear information matched with the road surface grade information in the preset database, and taking a gear corresponding to the vibration reduction gear information as a target vibration absorber gear.

The adjusting module 30 is further configured to obtain a vehicle speed at which the current vehicle runs and a distance between the current vehicle and a next road section, and determine an estimated time for the current vehicle to drive into the next road section according to the vehicle speed and the distance; determining the target adjusting time for adjusting the seat and the shock absorber according to the estimated time and the preset control time; and acquiring a current seat gear and a current damper gear of the current vehicle, adjusting the seat of the current vehicle according to the target seat airbag height gear and the current seat gear at the target adjusting moment, and adjusting the damper of the current vehicle according to the target damper gear and the current damper gear.

The adjusting module 30 is further configured to obtain a vehicle speed of a current vehicle and a distance between the current vehicle and a next road section, and determine an estimated time for the current vehicle to enter the next road section according to the following formula when the current vehicle is in constant speed driving:

△t＝L/V

wherein, Δ t is the estimated time of the current vehicle driving into the next section of road surface, L is the distance between the current vehicle and the next section of road, and V is the driving speed of the current vehicle;

when the current vehicle is driven at a non-uniform speed, determining the estimated time of the current vehicle driving into the road surface of the next section by the following formula:

wherein, the delta t is the estimated time of the current vehicle driving into the next section of road surface, t₀Calculating an initial time, t, for said estimated time_jCalculating an end time for said estimated time, L_tFor calculating the distance of the estimated time, V_tIs the instantaneous speed.

The adjusting module 30 is further configured to detect the remaining time of the estimated time in real time, and use a time when the remaining time is equal to a preset control time as a target adjusting time for adjusting the seat and the shock absorber.

The adjusting module 30 is further configured to obtain a current seat gear and a current damper gear of the current vehicle; determining a seat gear adjusting amplitude according to the current seat gear and the target seat airbag height gear, and determining a damper gear adjusting amplitude according to the current damper gear and the target damper gear; and adjusting the seat of the current vehicle according to the seat gear adjusting amplitude at the target adjusting moment, and adjusting the shock absorber of the current vehicle according to the shock absorber gear adjusting amplitude.

The steps implemented by each functional module of the predictive driving vehicle seat adjusting device can refer to each embodiment of the predictive driving vehicle seat adjusting method of the present invention, and are not described herein again.

Furthermore, an embodiment of the present invention further provides a storage medium, on which a predictive driving vehicle seat adjustment program is stored, which when executed by a processor implements the following operations:

obtaining map data of a current road, and obtaining road surface grade information of a next section of road surface according to the map data;

acquiring a target seat airbag height gear and a target shock absorber gear which are matched with the road surface grade information from a preset database;

acquiring the estimated time of the current vehicle driving into the next section of road surface, determining the target adjusting time of a seat and a shock absorber according to the estimated time, adjusting the seat of the current vehicle according to the height gear of the airbag of the target seat at the target adjusting time, and adjusting the shock absorber of the current vehicle according to the gear of the target shock absorber.

Further, the predictive driving vehicle seat adjustment program when executed by the processor further performs the following:

reading map data on the CAN line through a data reading unit;

and determining the next section of road pavement different from the current road pavement according to the map data to obtain the pavement grade information of the next section of road pavement.

Further, the predictive driving vehicle seat adjustment program when executed by the processor further performs the following:

searching seat gear information matched with the road surface grade information in a preset database, and taking a gear corresponding to the seat gear information as a target seat airbag height gear;

and searching vibration reduction gear information matched with the road surface grade information in the preset database, and taking a gear corresponding to the vibration reduction gear information as a target vibration absorber gear.

Further, the predictive driving vehicle seat adjustment program when executed by the processor further performs the following:

acquiring the speed of a current vehicle and the distance between the current vehicle and a next road section, and determining the estimated time of the current vehicle entering the next road section according to the speed and the distance;

determining the target adjusting time for adjusting the seat and the shock absorber according to the estimated time and the preset control time;

and acquiring a current seat gear and a current damper gear of the current vehicle, adjusting the seat of the current vehicle according to the target seat airbag height gear and the current seat gear at the target adjusting moment, and adjusting the damper of the current vehicle according to the target damper gear and the current damper gear.

Further, the predictive driving vehicle seat adjustment program when executed by the processor further performs the following:

the method comprises the steps of obtaining the running speed of a current vehicle and the distance between the current vehicle and a next road section, and determining the estimated time of the current vehicle running into the next road section through the following formula when the current vehicle runs at a constant speed:

△t＝L/V

wherein, Δ t is the estimated time of the current vehicle driving into the next section of road surface, L is the distance between the current vehicle and the next section of road, and V is the driving speed of the current vehicle;

when the current vehicle is driven at a non-uniform speed, determining the estimated time of the current vehicle driving into the road surface of the next section by the following formula:

wherein, the delta t is the estimated time of the current vehicle driving into the next section of road surface, t₀Calculating an initial time, t, for said estimated time_jCalculating an end time for said estimated time, L_tFor calculating the distance of the estimated time, V_tIs the instantaneous speed.

Further, the predictive driving vehicle seat adjustment program when executed by the processor further performs the following:

and detecting the residual time of the estimated time in real time, and taking the time when the residual time is equal to the preset control time as the target adjusting time for adjusting the seat and the shock absorber.

Further, the predictive driving vehicle seat adjustment program when executed by the processor further performs the following:

acquiring a current seat gear and a current damper gear of the current vehicle;

determining a seat gear adjusting amplitude according to the current seat gear and the target seat airbag height gear, and determining a damper gear adjusting amplitude according to the current damper gear and the target damper gear;

and adjusting the seat of the current vehicle according to the seat gear adjusting amplitude at the target adjusting moment, and adjusting the shock absorber of the current vehicle according to the shock absorber gear adjusting amplitude.

According to the scheme, the road surface grade information of the road surface of the next section is obtained according to the map data by obtaining the map data of the current road; acquiring a target seat airbag height gear and a target shock absorber gear which are matched with the road surface grade information from a preset database; acquiring estimated time of a current vehicle driving into the next section of road surface, determining target adjusting time of a seat and a shock absorber according to the estimated time, adjusting the seat of the current vehicle according to the height gear of the airbag of the target seat at the target adjusting time, and adjusting the shock absorber of the current vehicle according to the gear of the target shock absorber; can the automatic switch-over seat damping mode, avoided manual regulation to the influence of driving safety, realized quick adjustment to suitable damping mode, promoted driver and passenger's comfort, through presetting the damping mode that is fit for the hypomere road surface in advance, the short-time impact who produces the driver after the regulation effect when having avoided real-time adjustment feels, has promoted driver's driving experience.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.

The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.