Automatic parking control optimization method and system

A technology for automatic parking and optimization methods, which is applied in vehicle components, steering mechanisms, transportation and packaging to achieve the effect of improving control effects, optimizing control logic, and improving customer experience

Pending Publication Date: 2022-05-13
DONGFENG MOTOR GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] The technical problem to be solved by the present invention is to provide an automatic parking control optimization method and system for solving the problem of the occasional steering wheel rebounding from the neutral position at a certain angle after automatic parking

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  • Automatic parking control optimization method and system
  • Automatic parking control optimization method and system

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Embodiment Construction

[0026] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0027] see figure 1 , the embodiment of the present invention includes an automatic parking control module and a power steering output control module connected by a signal interaction module, and also includes a radar, a steering wheel angle torque sensor SAS, a motor position sensor, a brushless motor, and a steering mechanism group, wherein the radar is connected On the automatic parking control module, the steering wheel angle torque sensor SAS, the motor position sensor, the brushless motor, and the steering mechanism group are respectively connected to the steering power output control module;

[0028] 1) The automatic parking control module is used to determine the target control request for the lateral and longitudinal movement of the vehicle based on the detection of the surrounding environment and obstacle distance by the rad...

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Abstract

According to the automatic parking control optimization method and system, through control logic optimization of the APA on the EPS, elastic deformation of wheels is eliminated in the dynamic straight moving process of a vehicle, it is guaranteed that a steering wheel is stabilized in the middle position after automatic parking exits, and the problem that after automatic parking is completed, the steering wheel accidentally rebounds by a certain angle from the middle position is solved. It is guaranteed that the steering wheel is stabilized in the middle position after automatic parking quits, and the final control effect and customer experience of the whole parking process are improved.

Description

technical field [0001] The invention belongs to the technical field of automatic parking control, and in particular relates to an automatic parking control optimization method and system. Background technique [0002] APA is the main control unit of the parking assistance system, which can collect the distance information fed back by the radar, drive the instrument to interact with the driver, and send the corner command to the EPS, so as to realize the entire parking assistance control. [0003] EPS is the steering control unit of the vehicle, which receives the corner command from APA during the parking process, and drives the wheels to turn to realize parking and storage. [0004] ESC is the body electronic stability system, which provides vehicle speed signal to APA. [0005] The radar probe is a distance sensor, which measures the size of the parking space before parking, and detects the distance between the vehicle body and the surrounding parked vehicles during parki...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D15/02
CPCB62D15/0285
Inventor 陈开慧王磊陈芳李世生江勋
Owner DONGFENG MOTOR GRP
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