Motor vehicle steering control system and steering control method

A steering control, motor vehicle technology, applied in automatic steering control components, electric steering mechanisms, steering mechanisms, etc., can solve the problem that the steering angular velocity affects the stability of the vehicle body, and achieve the effect of optimal reliability

Active Publication Date: 2019-12-17
HUA CHUANG AUTOMOBILE INFORMATION TECHN CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to provide accurate auxiliary torque, correct interference assessment is required to provide sufficient auxiliary torque. Too small auxiliary torque cannot meet the demand for control torque in a timely manner. Excessively large auxiliary torque will cause excessive steering angular velocity and affect the stability of the vehicle body

Method used

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  • Motor vehicle steering control system and steering control method
  • Motor vehicle steering control system and steering control method
  • Motor vehicle steering control system and steering control method

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Embodiment Construction

[0028] see figure 1 Shown is a motor vehicle steering control system disclosed in an embodiment of the present invention, which is used to implement a steering control method to steer the steering wheels of a motor vehicle V. The motor vehicle steering control system includes an electrically assisted steering module 100

[0029] (Electric Power Steering Module, EPS), a controller 200 , a motor drive circuit 300 , an angle sensor 400 , a torque sensor 500 and a current sensor 600 .

[0030] Such as figure 1 As shown, the EPS module 100 includes a steering column and an auxiliary motor. The steering column is connected to the steering wheel, the V steering wheel of the motor vehicle and the auxiliary motor, and is used to provide an auxiliary torque T in addition to the driving torque exerted by the driver on the steering column m , so that the steering column provides sufficient steering torque to the V-steering wheels of the motor vehicle. The EPS module 100 is a well-deve...

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PUM

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Abstract

A motor vehicle steering control system is used for executing a steering control method, to carry out steering on steering wheels of a motor vehicle. The steering control method comprises the steps that a steering reference angle and a practical steering angle are received, and control torque is calculated according to the steering reference angle and the practical steering angle; a practical steering angular speed and a steering reference angular speed are obtained according to changes of the practical steering angle and the steering reference angle in a sampling duration, and friction torquecompensation is obtained according to the practical steering angular speed and the steering reference angular speed; aligning torque generated after steering is estimated; and assisting torque is estimated and calculated according to the control torque, the friction torque compensation and the aligning torque, and the assisting torque is output.

Description

technical field [0001] The invention relates to an electric auxiliary steering module for steering a motor vehicle, in particular to a steering control system and a steering control method for a motor vehicle. Background technique [0002] With the increase of the weight and speed of the motor vehicle, the steering torque required by the steering of the motor vehicle has exceeded the control torque that can be provided by manpower, so the auxiliary steering system is required to provide additional torque assistance. The existing Electrical Power Steering (EPS) system can provide more accurate assist torque and steering angle, and it is easy to establish a connection with the trip computer for the trip computer to intervene to perform dynamic control of the motor vehicle, such as assisting in lane maintenance. [0003] In order to provide accurate auxiliary torque, correct interference evaluation is required to provide sufficient auxiliary torque. Too small auxiliary torque c...

Claims

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Application Information

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IPC IPC(8): B62D5/04B62D6/00B62D113/00
CPCB62D5/04B62D6/00
Inventor 陈柏全李旻贞陈韦仲林育民陈元骏顾迪
Owner HUA CHUANG AUTOMOBILE INFORMATION TECHN CENT
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