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Automobile steering control method suitable for semi-automatic driving scene

A technology for vehicle steering control and driving scenarios, applied in steering mechanism, vehicle components, transportation and packaging, etc., can solve the problems of long response delay of steering system, inability to meet safety requirements and performance requirements, etc., to achieve a wide range of applications and solutions Smoothness and improved accuracy

Active Publication Date: 2022-04-15
BOSCH HUAYU STEERING SYST CO LTD
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the mainstream automotive steering controllers on the market all provide torque interfaces. The vehicle controller controls the steering system by requesting the steering torque, and performs closed-loop control of the steering angle at the vehicle end. This scheme has a long response delay of the steering system and the vehicle control The controller's control of the steering system cannot meet the required safety and performance requirements

Method used

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  • Automobile steering control method suitable for semi-automatic driving scene
  • Automobile steering control method suitable for semi-automatic driving scene
  • Automobile steering control method suitable for semi-automatic driving scene

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Embodiment Construction

[0024] The present invention will be further described now in conjunction with accompanying drawing.

[0025] In this embodiment, the software architecture of the present invention is as figure 1 As shown, it includes a communication input module, a state machine module, an input filter module, a shake detection module, a driver's hand force calculation module, a rack speed and rack position calculation module, a closed-loop control module, an output check module, a safety check module, Communication output module. The output end of the communication input module is connected with the input end one of the state machine module, the output end of the driver's hand calculation module is connected with the input end two of the state machine module, and the output end of the state machine module is connected with the input end of the input filter module, The output end of the input filter module is connected to the input end one of the closed-loop control module, the output end of...

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Abstract

The invention relates to the technical field of semi-automatic driving, in particular to an automobile steering control method suitable for a semi-automatic driving scene. Compared with the prior art, the angle request of the vehicle control unit is received, a control closed loop of transverse control is made at the steering system end, the control precision is improved, and the control delay is shortened; the problems of abnormal jittering and unsmooth execution in the transverse control process are solved, and the request of the vehicle control unit can be accurately executed; the torque limit value of the whole vehicle during man-machine co-driving is collected, and the smoothness during man-machine co-driving can be well achieved. The method is suitable for a driving scene of a full vehicle speed section, is suitable for different whole vehicle automatic driving controllers, and is wide in application range.

Description

technical field [0001] The invention relates to the technical field of semi-automatic driving, in particular to an automobile steering control method suitable for semi-automatic driving scenarios. Background technique [0002] In the semi-autonomous driving scenario, the electric power steering needs to be able to support the vehicle to realize lane departure assistance or lane change assistance in a specific driving environment, and assist the driver to drive the vehicle. The market needs a steering system that can support the precise control of the vehicle's lateral movement and can quickly respond to the vehicle's control request, and can meet the requirements of urban high-speed and ordinary roads with large curves, so as to achieve precise control of the vehicle controller vehicle, assisting the driver in driving. [0003] At present, the mainstream automotive steering controllers on the market all provide torque interfaces. The vehicle controller controls the steering...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D15/02
Inventor 朱博向文明梁嫣楚廖新深
Owner BOSCH HUAYU STEERING SYST CO LTD
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