阅读说明：本技术 一种自适应电动助力自行车控制系统及方法 (Self-adaptive electric power-assisted bicycle control system and method ) 是由 张朝辉 季洪灿 于 2021-07-30 设计创作，主要内容包括：本发明属于电动助力自行车技术领域,且公开了一种自适应电动助力自行车控制方法,包括以下步骤,S1.设置自行车回收电能时的预设速度；S2.实时采集自行车的速度信息和刹车信息；S3.依据自行车的速度信息和刹车信息判断自行车是否需要助力工作和是否需要回收电能,S4.若自行车的实时速度小于预设速度,进行助力,若自行车的实时速度大于预设速度,不进行助力,且自行车的实时速度大于预设速度时,回收电能,还公开了一种自适应电动助力自行车控制系统,本发明通过回收电能单元与助力单元相配合,回收电能单元会回收电动助力自行车产生的动能,使动能转化为电能进行储存,从而大大增加了电动助力自行车的续航能力。(The invention belongs to the technical field of electric power-assisted bicycles and discloses a self-adaptive control method of an electric power-assisted bicycle, which comprises the following steps of S1, setting a preset speed when the bicycle recovers electric energy; s2, acquiring speed information and brake information of the bicycle in real time; s3, judging whether the bicycle needs power-assisted work and whether the bicycle needs electric energy recovery according to speed information and brake information of the bicycle, S4, if the real-time speed of the bicycle is smaller than the preset speed, assisting, if the real-time speed of the bicycle is larger than the preset speed, assisting is not performed, and when the real-time speed of the bicycle is larger than the preset speed, the electric energy is recovered.)

1. A self-adaptive control method for an electric power-assisted bicycle is characterized by comprising the following steps:

s1, setting a preset speed when the bicycle recovers electric energy;

s2, acquiring speed information and brake information of the bicycle in real time;

s3, judging whether the bicycle needs to work in an assisting mode or not and whether electric energy needs to be recovered or not according to the speed information and the brake information of the bicycle;

and S4, if the real-time speed of the bicycle is less than the preset speed, assisting power, if the real-time speed of the bicycle is greater than the preset speed, assisting power is not performed, and when the real-time speed of the bicycle is greater than the preset speed, electric energy is recovered.

2. The adaptive electric bicycle control method according to claim 1, wherein the step S4 specifically includes the steps of:

s41, if the real-time speed of the bicycle is less than the preset speed and braking is not performed, S42 is executed, if the real-time speed of the bicycle is greater than the preset speed and braking is not performed, S43 is executed, if the real-time speed of the bicycle is less than the preset speed and braking is performed, S44 is executed, if the real-time speed of the bicycle is greater than the preset speed and braking is performed, S45 is executed.

3. The adaptive electric power bicycle control method according to claim 1, wherein: the preset speed is set within the range of 15KM/H-28 KM/H.

4. The adaptive electric bicycle control method according to claim 2, wherein the S4 further includes the steps of:

s42, boosting is carried out, the bicycle wheels are driven to rotate through the motor, the boosting is stopped when the real-time speed of the bicycle reaches the preset speed, kinetic energy is recovered, the real-time speed of the bicycle is gradually reduced, and S41 is executed.

5. The adaptive electric bicycle control method according to claim 2, wherein the S4 further includes the steps of:

and S43, recovering kinetic energy without assisting power, gradually reducing the real-time speed of the bicycle, and executing S41.

6. The adaptive electric bicycle control method according to claim 2, wherein the S4 further includes the steps of:

and S44, recovering kinetic energy without assisting power, gradually reducing the real-time speed of the bicycle, and executing S41.

7. The adaptive electric bicycle control method according to claim 2, wherein the S4 further includes the steps of: and S45, recovering kinetic energy without assisting power, gradually reducing the real-time speed of the bicycle, and executing S41.

8. The adaptive electric bicycle control method according to claim 1, wherein the step S1 is preceded by the steps of:

s11, detecting whether the bicycle maintains a normal riding and rotating state, executing S2 if the bicycle is ridden normally, and executing S12 if the bicycle is overturned.

9. The adaptive electric power assisted bicycle control method of claim 8, wherein the step S12 includes the steps of stopping the power assistance and turning off the power supply.

10. An adaptive electric power assisted bicycle control system, comprising:

the data acquisition unit is used for acquiring speed information of the bicycle, information about whether the bicycle is overturned and information about whether the bicycle is braked;

the power assisting unit is used for driving the bicycle wheels to rotate;

the control comparison unit is used for comparing speed information of the bicycle during riding and controlling the power assisting unit to assist;

the power supply unit is used for supplying power to the power supply data acquisition unit and the power assisting unit control comparison unit;

and the electric energy recovery unit is used for recovering the kinetic energy generated when the bicycle is ridden and converting the kinetic energy into electric energy for storage.

Technical Field

The invention belongs to the technical field of electric power-assisted bicycles, and particularly relates to a self-adaptive control system and method of an electric power-assisted bicycle.

Background

An electric power-assisted bicycle, namely an electric bicycle, is a mechatronic personal transportation tool which takes a storage battery as auxiliary energy and is provided with an electric motor, a controller, the storage battery, a rotating handle brake handle and other operating components and a display instrument system on the basis of a common bicycle,

because electric bicycle volume restriction, electric bicycle's battery volume is also less relatively, and consequently electric bicycle's continuation of the journey mileage is shorter relatively, so increase continuation of the journey and be the key factor to electric bicycle, when current electric bicycle carries out the helping hand, can't effectively retrieve kinetic energy, great reduction electric bicycle's continuation of the journey ability.

Disclosure of Invention

The invention aims to provide a self-adaptive electric power-assisted bicycle control system and a self-adaptive electric power-assisted bicycle control method, so as to solve the problem that the electric power-assisted bicycle provided in the background art is relatively poor in cruising ability.

In order to achieve the purpose, the invention provides the following technical scheme: a control method of an adaptive electric power-assisted bicycle comprises the following steps:

s1, setting a preset speed when the bicycle recovers electric energy;

s2, acquiring speed information and brake information of the bicycle in real time;

and S3, judging whether the bicycle needs to work in an assisting mode or not and whether electric energy needs to be recovered or not according to the speed information and the brake information of the bicycle.

And S4, if the real-time speed of the bicycle is less than the preset speed, assisting power, if the real-time speed of the bicycle is greater than the preset speed, assisting power is not performed, and when the real-time speed of the bicycle is greater than the preset speed, electric energy is recovered.

Preferably, the S4 specifically includes the following steps:

s41, if the real-time speed of the bicycle is less than the preset speed and braking is not performed, S42 is executed, if the real-time speed of the bicycle is greater than the preset speed and braking is not performed, S43 is executed, if the real-time speed of the bicycle is less than the preset speed and braking is performed, S44 is executed, if the real-time speed of the bicycle is greater than the preset speed and braking is performed, S45 is executed.

Preferably, the preset speed is set within a range of 15KM/H-28 KM/H.

Preferably, the S4 further includes the following steps:

s42, boosting is carried out, the bicycle wheels are driven to rotate through the motor, the boosting is stopped when the real-time speed of the bicycle reaches the preset speed, kinetic energy is recovered, the real-time speed of the bicycle is gradually reduced, and S41 is executed.

Preferably, the S4 further includes the following steps:

and S43, recovering kinetic energy without assisting power, gradually reducing the real-time speed of the bicycle, and executing S41.

Preferably, the S4 further includes the following steps:

and S44, recovering kinetic energy without assisting power, gradually reducing the real-time speed of the bicycle, and executing S41.

Preferably, the S4 further includes the following steps: and S45, recovering kinetic energy without assisting power, gradually reducing the real-time speed of the bicycle, and executing S41.

Preferably, the step S1 is preceded by the steps of:

s11, detecting whether the bicycle maintains a normal riding and rotating state, executing S2 if the bicycle is ridden normally, and executing S12 if the bicycle is overturned.

Preferably, the S12 includes the steps of stopping the boosting and turning off the power supply.

An adaptive electric power assisted bicycle control system comprising:

the data acquisition unit is used for acquiring speed information of the bicycle, information about whether the bicycle is overturned and information about whether the bicycle is braked;

the power assisting unit is used for driving the bicycle wheels to rotate;

the control comparison unit is used for comparing speed information of the bicycle during riding and controlling the power assisting unit to assist;

the power supply unit is used for supplying power to the power supply data acquisition unit and the power assisting unit control comparison unit;

and the electric energy recovery unit is used for recovering the kinetic energy generated when the bicycle is ridden and converting the kinetic energy into electric energy for storage.

Compared with the prior art, the invention has the beneficial effects that: according to the electric power-assisted bicycle, the electric energy recovery unit is matched with the power-assisted unit, when the power-assisted unit drives the electric power-assisted bicycle to reach the preset speed, the electric energy recovery unit can recover kinetic energy generated by the electric power-assisted bicycle, so that the kinetic energy is converted into electric energy to be stored, and the cruising ability of the electric power-assisted bicycle is greatly improved.

Drawings

Fig. 1 is a flowchart of a control method of an adaptive electric power assisted bicycle provided by the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present invention provides the following technical solutions:

the first embodiment is as follows:

s1, setting a preset speed when the bicycle recovers electric energy;

s2, acquiring speed information and brake information of the bicycle in real time;

and S3, judging whether the bicycle needs to work in an assisting mode or not and whether electric energy needs to be recovered or not according to the speed information and the brake information of the bicycle.

And S4, if the real-time speed of the bicycle is less than the preset speed, assisting power, if the real-time speed of the bicycle is greater than the preset speed, assisting power is not performed, and when the real-time speed of the bicycle is greater than the preset speed, electric energy is recovered.

S41, if the real-time speed of the bicycle is less than the preset speed and braking is not performed, S42 is executed, if the real-time speed of the bicycle is greater than the preset speed and braking is not performed, S43 is executed, if the real-time speed of the bicycle is less than the preset speed and braking is performed, S44 is executed, if the real-time speed of the bicycle is greater than the preset speed and braking is performed, S45 is executed.

S42, boosting is carried out, the bicycle wheels are driven to rotate through the motor, the boosting is stopped when the real-time speed of the bicycle reaches the preset speed, kinetic energy is recovered, the real-time speed of the bicycle is gradually reduced, and S41 is executed.

And S43, recovering kinetic energy without assisting power, gradually reducing the real-time speed of the bicycle, and executing S41.

And S44, recovering kinetic energy without assisting power, gradually reducing the real-time speed of the bicycle, and executing S41.

And S45, recovering kinetic energy without assisting power, gradually reducing the real-time speed of the bicycle, and executing S41.

Based on the above steps, it is easy to explain that, in the present embodiment, it is assumed that:

setting the preset speed of the bicycle when electric energy is recovered to be 15KM/H, acquiring the speed information of the bicycle in real time to be 12KM/H, and not braking;

comparing based on the data;

the preset speed 15KM/H is higher than the real-time speed 12KM/H of the bicycle, the brake is not performed, and the power assisting unit is controlled to assist.

Based on the above steps, it is easy to explain that, in the present embodiment, it is assumed that:

setting the preset speed of the bicycle when electric energy is recovered to be 15KM/H, acquiring the speed information of the bicycle in real time to be 20KM/H, and not braking;

comparing based on the data;

the preset speed 15KM/H is less than the real-time speed 20KM/H of the bicycle, braking is not carried out, the power assisting unit is controlled not to assist, and kinetic energy recovery is carried out.

Based on the above steps, it is easy to explain that, in the present embodiment, it is assumed that:

setting the preset speed of the bicycle when electric energy is recovered to be 15KM/H, collecting the speed information of the bicycle in real time to be 14KM/H, and braking;

comparing based on the data;

the preset speed 15KM/H is higher than the real-time speed 14KM/H of the bicycle, braking is carried out, the power assisting unit is controlled not to assist, and kinetic energy recovery is carried out.

Based on the above steps, it is easy to explain that, in the present embodiment, it is assumed that:

setting the preset speed of the bicycle when electric energy is recovered to be 20KM/H, collecting the speed information of the bicycle in real time to be 18KM/H, and braking;

comparing based on the data;

the preset speed of 20KM/H is higher than the real-time speed of 18KM/H of the bicycle, braking is carried out, the power assisting unit is controlled not to assist, and kinetic energy recovery is carried out.

Based on the above steps, it is easy to explain that, in the present embodiment, it is assumed that:

setting the preset speed of the bicycle when electric energy is recovered to be 15KM/H, collecting the speed information of the bicycle in real time to be 14KM/H, and braking when the bicycle is overturned;

comparing based on the data;

the preset speed 15KM/H is higher than the real-time speed 14KM/H of the bicycle, braking is carried out, the power assisting unit is controlled not to assist, and kinetic energy recovery is not carried out.

Based on the above steps, it is easy to explain that, in the present embodiment, it is assumed that:

setting the preset speed of the bicycle when electric energy is recovered to be 15KM/H, collecting the speed information of the bicycle in real time to be 25KM/H, and braking;

comparing based on the data;

the preset speed of 15KM/H is less than the real-time speed of 25KM/H of the bicycle, braking is carried out, the power assisting unit is controlled not to assist, and kinetic energy recovery is carried out.

An adaptive electric power assisted bicycle control system comprising:

the data acquisition unit is used for acquiring speed information of the bicycle, information about whether the bicycle is overturned and information about whether the bicycle is braked;

the power assisting unit is used for driving the bicycle wheels to rotate;

the control comparison unit is used for comparing speed information of the bicycle during riding and controlling the power assisting unit to assist;

the power supply unit is used for supplying power to the power supply data acquisition unit and the power assisting unit control comparison unit;

and the electric energy recovery unit is used for recovering the kinetic energy generated when the bicycle is ridden and converting the kinetic energy into electric energy for storage.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus 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 apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.