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Vehicle return method, device and system and vehicle

A vehicle, positive current technology, applied in vehicle components, transportation and packaging, steering mechanisms, etc., can solve problems such as reduced driving experience, unstable return speed, uneven steering wheel speed, etc., to improve driving experience and ensure return. Positive effect, uniform speed effect

Active Publication Date: 2021-11-12
蜂巢智能转向系统(江苏)有限公司
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  • Abstract
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Problems solved by technology

[0003] In the related technology, the active centering function of the EPS system determines the vehicle speed and steering wheel angle during the calibration process, so as to confirm the centering current to control the vehicle centering. The uneven speed of the steering wheel during the process cannot guarantee the effect of returning to the center and reduces the driving experience, which needs to be improved urgently

Method used

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  • Vehicle return method, device and system and vehicle
  • Vehicle return method, device and system and vehicle
  • Vehicle return method, device and system and vehicle

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Embodiment Construction

[0037] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0038] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0039] figure 1 is a flow chart of a vehicle alignment method according to an embodiment of the present invention.

[0040] Such as figure 1 As shown, the method for returning a vehicle according to an embodiment of the present invention includes the following steps:

[0041] Step S101, collecting the current vehicle speed and steering wheel angle of the vehicle.

[0042] It should be noted that in recent years, with the rapid development of the automobile industry, a new, more integrated and more effective way of automobile steering system technology has also ushered in - EPS system, which is being used more and more in Various models, because it has better performance than mechanic...

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Abstract

The invention provides a vehicle return method, device and system and a vehicle. The method comprises the steps of collecting the current vehicle speed and the steering wheel turning angle of the vehicle; generating a target return speed of the vehicle according to the current vehicle speed and the steering wheel turning angle, acquiring a current motor rotating speed of the vehicle, and determining a current return speed of the vehicle; and performing proportional-integral-differential (PID) closed-loop control according to the target return speed and the current return speed to generate target return current of the vehicle so as to control the vehicle to return. According to the return method, PID closed-loop control is carried out according to the target return speed and the current return speed, the defect that the return speed is not fixed under different road conditions at the same vehicle speed is overcome, the rotating speed of a steering wheel is uniform in the returning process, the returning effect is effectively guaranteed, and the driving experience is improved.

Description

technical field [0001] The invention relates to the technical field of automobiles, in particular to a vehicle alignment method, device, system and vehicle. Background technique [0002] At present, the EPS (Electric Power Steering, electric power steering system) system of the vehicle sends instructions to the motor controller according to the detected steering wheel steering and the magnitude of the torque when the driver manipulates the steering wheel to make the motor output a corresponding magnitude. and direction of the steering assist torque, thereby generating auxiliary power. [0003] In the related technology, the active centering function of the EPS system determines the vehicle speed and steering wheel angle during the calibration process, so as to confirm the centering current to control the vehicle centering. The uneven speed of the steering wheel during the process cannot guarantee the effect of returning to the center and reduces the driving experience, whic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D5/04B62D6/00B62D101/00B62D113/00B62D119/00B62D127/00B62D137/00
CPCB62D5/0466B62D6/00Y02T10/72
Inventor 韩伟郭先超张健鲜欢吴迪王宁宁高卫郭昊
Owner 蜂巢智能转向系统(江苏)有限公司
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