阅读说明：本技术 车辆异常挪动管理方法及系统、车辆管理系统 (Vehicle abnormal movement management method and system and vehicle management system ) 是由 杨磊 罗耀燊 于 2020-07-03 设计创作，主要内容包括：本申请提供了一种车辆异常挪动管理方法及系统、车辆管理系统,包括：获取车辆的姿态信息；根据所述姿态信息识别出车辆是否处于异常挪动状态；当识别出车辆处于异常挪动状态时,接收车辆发送的警报信息；根据警报信息,生成并发送第一控制指令；基于第一控制指令接收车辆发送的定位信息。利用本申请,一旦识别车辆在关锁状态下的姿态发生了较大的改变的情况下,控制模块收到警报信息之后,会向车辆发起定位的指令,让车辆开启定位模块,开始持续定位,把定位结果按照预设阈值周期上报控制模块,车辆的定位信息以阈值周期上报控制模块,持续监控警报车辆的位置信息；充分考虑了功耗与资产保全问题之间的平衡,为车辆资产保全提供了重要的技术支持。(The application provides a vehicle abnormal movement management method and system and a vehicle management system, and the method comprises the following steps: acquiring attitude information of a vehicle; identifying whether the vehicle is in an abnormal moving state or not according to the attitude information; when the vehicle is identified to be in an abnormal moving state, receiving alarm information sent by the vehicle; generating and sending a first control instruction according to the alarm information; and receiving positioning information sent by the vehicle based on the first control instruction. By using the method and the device, once the situation that the posture of the vehicle in the locked state is greatly changed is identified, the control module can send a positioning instruction to the vehicle after receiving the alarm information, so that the vehicle starts the positioning module to start continuous positioning, the positioning result is reported to the control module according to the preset threshold value period, the positioning information of the vehicle is reported to the control module according to the threshold value period, and the position information of the alarm vehicle is continuously monitored; the balance between the power consumption and the asset preservation problem is fully considered, and important technical support is provided for vehicle asset preservation.)

1. A vehicle abnormal movement management method characterized by comprising:

s1, acquiring the attitude information of the vehicle;

s2, identifying whether the vehicle is in an abnormal moving state or not according to the posture information;

s3: when the vehicle is identified to be in the abnormal moving state in the S2, receiving alarm information sent by the vehicle;

s4: generating and sending a first control instruction according to the alarm information;

s5: and receiving positioning information sent by the vehicle based on the first control instruction.

2. The abnormal vehicle movement management method according to claim 1, wherein the S1 specifically includes:

s11: acquiring standard attitude information and periodically acquiring the attitude information according to a preset period;

s12: calculating the attitude information of a plurality of preset periods in a time sequence, and calculating a first included angle difference value between the attitude information of the current period and the attitude information of the previous period and a second included angle difference value between the attitude information of each period and standard attitude information;

s13: and generating and sending alarm information when the first included angle difference value and the second included angle difference value exceed a preset included angle conversion threshold value.

3. The abnormal vehicle movement management method according to claim 1, further comprising, after the S5:

s6: sequencing the positioning information according to time, making a preset time sliding window with a preset period, performing median filtering on the positioning information in the preset time sliding window, and removing abnormal values of abnormal drift in the positioning information; and calculating the earth surface distance between adjacent points according to the positioning information processed by the abnormal value, and judging whether the vehicle generates displacement according to whether the earth surface distance is continuously greater than a distance threshold value.

4. The abnormal vehicle movement management method according to claim 1, further comprising, after the S2:

s21: acquiring a low-frequency positioning signal of a vehicle to be checked which is not identified to be in an abnormal moving state;

s22: and analyzing the low-frequency positioning signal, identifying whether the vehicles to be inspected move abnormally or not according to the vehicle position portrait information generated by the low-frequency positioning signal, receiving auxiliary alarm information if the vehicles to be inspected move abnormally, and generating the first control command according to the auxiliary alarm information.

5. A vehicle abnormal movement management system, characterized by comprising:

the attitude detection module is used for acquiring the attitude information of the vehicle;

the gesture recognition module is connected with the gesture detection module and used for recognizing whether the vehicle is in an abnormal moving state or not according to the gesture information;

the communication module is connected with the gesture recognition module and used for receiving alarm information sent by the vehicle when the gesture recognition module recognizes that the vehicle is in an abnormal moving state;

the control module is connected with the communication module and used for generating and sending a first control instruction according to the alarm information;

and the positioning module is connected with the control module and used for receiving positioning information sent by the vehicle based on the first control instruction.

6. The vehicle abnormal movement management system according to claim 5, wherein the posture identifying module includes:

the attitude information acquisition unit is used for acquiring standard attitude information and periodically acquiring the attitude information according to a preset period;

the calculation unit is connected with the attitude information acquisition unit and used for calculating the attitude information of a plurality of preset periods in time sequence, calculating a first included angle difference value between the attitude information of the current period and the attitude information of the previous period and a second included angle difference value between the attitude information of each period and the standard attitude information;

and the warning unit is connected with the calculation unit and used for generating and sending alarm information to the communication module when the first included angle difference value and the second included angle difference value exceed a preset included angle conversion threshold value.

7. The vehicle abnormal movement management system according to claim 6, wherein the posture identifying module further includes a switch lock state identifying unit, wherein,

the locking and unlocking state identification unit is connected with the alarm unit and is used for sending the identified locking and unlocking state to the alarm unit;

and the alarm unit is used for selectively generating alarm information according to the locking and unlocking state and sending the alarm information to the communication module when the first included angle difference value and the second included angle difference value exceed a preset included angle conversion threshold value.

8. The system for managing abnormal vehicle movement according to claim 7, further comprising an adjusting module, wherein the adjusting module is connected to the movement judging module, and the adjusting module is configured to selectively send a second control command to the positioning module according to whether the vehicle is displaced within a preset time period and the posture information of the vehicle; and the positioning module closes or adjusts the positioning frequency according to the received second control instruction.

9. The vehicle abnormal movement management system according to claim 8, further comprising an operation and maintenance module, wherein the operation and maintenance module is connected with the positioning module, and is used for acquiring the positioning information and sending an inspection instruction containing the positioning information to related operation and maintenance personnel.

10. A vehicle management system characterized in that the vehicle abnormal shift management system according to any one of claims 6 to 10 is provided.

Technical Field

The invention belongs to the technical field of vehicle positioning, and relates to a method and a system for recognizing abnormal movement of a vehicle and tracking and positioning the vehicle.

Background

With the development of internet technology, shared bicycles which are popular in large and medium-sized cities across the country are almost visible everywhere, compared with public bicycles with piles, the shared bicycle without piles which can be used and parked at any time brings great convenience to users, and meanwhile, the shared bicycle is found to have the behaviors of privately transporting the bicycle, privately hiding the bicycle, damaging the bicycle and the like under the condition that the shared bicycle is used in an abnormal unlocking state, so that huge loss of shared bicycle assets is caused.

The shared vehicle can be generally positioned by using satellite positioning technology, and the position of the vehicle is tracked. However, when the technology is used for positioning, the power consumption is high, the electric quantity of the vehicle is limited, and the vehicle cannot be normally opened, particularly when the vehicle is in a locked state. Therefore, how to track the vehicle in a locked state by reasonably utilizing satellite positioning is an important subject, and the implementation of the technical scheme is a problem that the monitoring is low in power consumption and can be performed for a long time.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, the present invention aims to provide a method and a system for managing abnormal vehicle movement, which can perform monitoring for a long period of time with low power consumption.

In order to achieve the above object, the present invention provides a vehicle abnormal movement management method, including:

s1, acquiring the attitude information of the vehicle;

s2, identifying whether the vehicle is in an abnormal moving state or not according to the posture information;

s3: when the vehicle is identified to be in the abnormal moving state in the S2, receiving alarm information sent by the vehicle;

s4: generating and sending a first control instruction according to the alarm information;

s5: and receiving positioning information sent by the vehicle based on the first control instruction.

Preferably, the method for managing abnormal vehicle movement, wherein S1 specifically includes:

s11: acquiring standard attitude information and periodically acquiring the attitude information according to a preset period;

s12: calculating the attitude information of a plurality of preset periods in a time sequence, and calculating a first included angle difference value between the attitude information of the current period and the attitude information of the previous period and a second included angle difference value between the attitude information of each period and standard attitude information;

s13: and generating and sending alarm information when the first included angle difference value and the second included angle difference value exceed a preset included angle conversion threshold value.

Preferably, the method for managing abnormal vehicle movement, wherein S13 specifically includes:

s131: identifying an on-off lock state of the vehicle;

s132: and when the first included angle difference value and the second included angle difference value exceed a preset included angle conversion threshold value, selectively generating and sending alarm information according to the locking and unlocking state.

Preferably, the method for managing abnormal vehicle movement further includes, after S5:

s6: sequencing the positioning information according to time, making a preset time sliding window with a preset period, performing median filtering on the positioning information in the preset time sliding window, and removing abnormal values of abnormal drift in the positioning information; and calculating the earth surface distance between adjacent points according to the positioning information processed by the abnormal value, and judging whether the vehicle generates displacement according to whether the earth surface distance is continuously greater than a distance threshold value.

Preferably, the method for managing abnormal vehicle movement further includes, after S6, S7: and selectively closing the positioning of the vehicle or adjusting the positioning frequency according to whether the vehicle generates displacement within a preset time period and the attitude information of the vehicle.

Preferably, the method for managing abnormal vehicle movement further includes, after S3: and S31, acquiring the positioning information and sending the routing inspection instruction containing the positioning information to the relevant operation and maintenance personnel.

Preferably, the method for managing abnormal vehicle movement further includes, after S2:

s21: acquiring a low-frequency positioning signal of a vehicle to be checked which is not identified to be in an abnormal moving state;

s22: and analyzing the low-frequency positioning signal, identifying whether the vehicles to be inspected move abnormally or not according to the vehicle position portrait information generated by the low-frequency positioning signal, receiving auxiliary alarm information if the vehicles to be inspected move abnormally, and generating the first control command according to the auxiliary alarm information.

The application also provides a vehicle abnormal movement management system, including:

the attitude detection module is used for acquiring the attitude information of the vehicle;

the gesture recognition module is connected with the gesture detection module and used for recognizing whether the vehicle is in an abnormal moving state or not according to the gesture information;

the communication module is connected with the gesture recognition module and used for receiving alarm information sent by the vehicle when the gesture recognition module recognizes that the vehicle is in an abnormal moving state;

the control module is connected with the communication module and used for generating and sending a first control instruction according to the alarm information;

and the positioning module is connected with the control module and used for receiving positioning information sent by the vehicle based on the first control instruction.

Preferably, the vehicle abnormal shift management system, wherein the posture identifying module includes:

the attitude information acquisition unit is used for acquiring standard attitude information and periodically acquiring the attitude information according to a preset period;

the calculation unit is connected with the attitude information acquisition unit and used for calculating the attitude information of a plurality of preset periods in time sequence, calculating a first included angle difference value between the attitude information of the current period and the attitude information of the previous period and a second included angle difference value between the attitude information of each period and the standard attitude information;

and the warning unit is connected with the calculation unit and used for generating and sending alarm information to the communication module when the first included angle difference value and the second included angle difference value exceed a preset included angle conversion threshold value.

Preferably, the vehicle abnormal shift management system, wherein the posture identifying module further comprises an on-off lock state identifying unit, wherein,

the locking and unlocking state identification unit is connected with the alarm unit and is used for sending the identified locking and unlocking state to the alarm unit;

and the alarm unit is used for selectively generating alarm information according to the locking and unlocking state and sending the alarm information to the communication module when the first included angle difference value and the second included angle difference value exceed a preset included angle conversion threshold value.

Preferably, the vehicle abnormal movement management system further comprises a movement judgment module, wherein the movement judgment module is used for sequencing the positioning information according to time and making a preset time sliding window with a preset period as a period, and the movement judgment module is used for performing median filtering on the positioning information in the preset time sliding window and removing an abnormal value of abnormal drift in the positioning information; and calculating the earth surface distance between adjacent points according to the positioning information processed by the abnormal value, and judging whether the vehicle generates displacement according to whether the earth surface distance is continuously greater than a distance threshold value.

Preferably, the vehicle abnormal movement management system further comprises an adjusting module, the adjusting module is connected with the movement judging module, and the adjusting module is used for selectively sending a second control instruction to the positioning module according to whether the vehicle generates displacement within a preset time period and the posture information of the vehicle; and the positioning module closes or adjusts the positioning frequency according to the received second control instruction.

Preferably, the vehicle abnormal movement management system further comprises an operation and maintenance module, wherein the operation and maintenance module is connected with the positioning module and used for acquiring the positioning information and sending an inspection instruction containing the positioning information to related operation and maintenance personnel.

Preferably, the vehicle abnormal-movement management system further comprises an auxiliary identification module connected to the positioning module, wherein the auxiliary identification module is used for acquiring a low-frequency positioning signal of a vehicle to be checked which is not identified to be in an abnormal-movement state; and the system is used for analyzing the low-frequency positioning signal, identifying whether the vehicles to be inspected move abnormally or not according to the vehicle position portrait information generated by the low-frequency positioning signal, receiving auxiliary alarm information if the vehicles to be inspected move abnormally, generating the first control instruction according to the auxiliary alarm information and sending the first control instruction to the positioning module.

The application also provides a vehicle management system, which is provided with the vehicle abnormal moving management system.

Compared with the prior art, the implementation of the invention achieves the following obvious technical effects:

1. in the invention, the motion state of the vehicle is continuously checked based on the continuous reading of the three-axis acceleration sensor; when the vehicle recognizes that the posture of the vehicle in the locked state is greatly changed, an alarm is sent to a corresponding control module of the vehicle; the three-axis acceleration sensor is low in power consumption, the vehicle attitude can be continuously monitored by adopting the attitude detection module and the attitude identification module, the balance between the power consumption and the asset preservation problem is fully considered by the method for actively positioning and identifying the abnormal vehicle position if abnormal movement exists, and important technical support is provided for the vehicle asset preservation.

2. By using the vehicle abnormal movement management system, once the situation that the posture of the vehicle in the locking state is greatly changed is identified, the control module can send a positioning instruction to the vehicle after receiving the alarm information, so that the vehicle starts the positioning module to start continuous positioning, the positioning result is reported to the control module according to the preset threshold value period, the positioning information of the vehicle is reported to the control module according to the threshold value period, and the position information of the alarm vehicle is continuously monitored.

3. In the invention, if no displacement is found in the reported position within the continuous threshold value period range and the vehicle posture is not continuously abnormally fallen down, the error recognition abnormal movement is judged, and the control module can issue an instruction for closing the positioning module to the vehicle, so that the power consumption of the vehicle can be reduced. When the track is found to have displacement at first and not move any more later, or when the position reported in a continuous threshold value period range is found to have no displacement, and the vehicle posture is continuously abnormally fallen down, the control module sends a positioning frequency reduction command to the vehicle, so that the positioning frequency of the vehicle is reduced, the power consumption is reduced, whether the vehicle has new position change or not is continuously monitored, and the track of the abnormally moved vehicle is tracked.

The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.

Drawings

Fig. 1 is a schematic diagram of a preferred embodiment of a vehicle abnormal shift management method in embodiment 1 of the present invention.

Fig. 2 is a schematic view of another preferred embodiment of the abnormal vehicle movement management method in embodiment 1 of the present invention.

Fig. 3 is a schematic diagram of a preferred embodiment of the abnormal vehicle movement management system according to embodiment 2 of the present invention.

Fig. 4 is a schematic diagram of a preferred embodiment of the posture identifying module in the vehicle abnormal movement management system in embodiment 2 of the present invention.

Fig. 5 is a system diagram of a preferred embodiment of a part of modules in the vehicle abnormal shift management system in embodiment 2 of the present invention.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.

It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.