Intelligent steer-by-wire control method integrating personality of driver
A steering control and driver technology, applied to automatic steering control components, steering mechanisms, steering rods, etc., to solve problems such as the inability to meet the driver's driving experience and the difference in the driver's driving operation process.
Active Publication Date: 2020-06-26
JILIN UNIV
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Problems solved by technology
[0005] The existing steer-by-wire control technology is basically based on the basic idea of "human adapts to the car", and does not take into account the differences in the driver's driving operation process. The driver is forcibly interfered in the steering operation process, which cannot satisfy the driver's needs. desired driving experience
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[0072] In order to clearly and completely describe the technical solution of the present invention and its specific working process, in conjunction with the accompanying drawings, the specific implementation of the present invention is as follows:
[0073] Such as figure 1 As shown, the present invention provides an intelligent steer-by-wire control method that integrates the driver's personality. First, the characteristic parameters of the steering system are extracted through the collected data information, and then the driver's personality data and operation risk are respectively obtained through the corresponding characteristic parameters. Then, according to the obtained data, make the corresponding steering control decision, and finally execute the corresponding decision.
[0074] The specific control process of the intelligent steering-by-wire control method is as follows:
[0075] Step 1: Data collection and feature parameter extraction, such as figure 2 Shown:
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The invention provides an intelligent steer-by-wire control method integrating the personality of a driver. Firstly, the characteristic parameters of a steering system are extracted through collecteddata information; then, based on the corresponding characteristic parameters respectively; the driver personality data is identified through K-means clustering analysis and a BP neural network method;the operation risk data is judged through logical operation; then, according to the obtained data, a fuzzy decision-making method is used for making intervention steering, non-interference steering or take-over steering control decisions, finally, corresponding decisions are executed, and when a control instruction of intervention steering is executed, the vehicle control unit continues to integrate the personality and the operation risk of the driver and correct the steering angle transmission ratio. According to the invention, by fusing the driving characteristics of drivers with differentdriving characteristics, the humanized control of adapting to people in the vehicle market is realized, the stable state of the vehicle can be pre-judged, the dangerous steering behavior is intervenedin time, and the active safety of the vehicle is effectively improved.
Description
technical field [0001] The invention belongs to the technical field of steering-by-wire control, and is especially suitable for intelligent driving, and in particular relates to an intelligent steering-by-wire control method that integrates the driver's personality. Background technique [0002] With the continuous development of electronic technology and control-by-wire technology, its application in the automotive field is becoming more and more extensive. The steer-by-wire vehicle is an important achievement based on this electronic technology and control-by-wire technology. The steer-by-wire vehicle cancels the mechanical connection between the steering wheel and the steering gear. The steering wheel's steering commands are collected by the steering wheel angle sensor and the steering wheel torque sensor, and the steering motor is controlled to drive the steering gear to rotate to complete the corresponding vehicle steering task. Steering by wire technology improves the ...
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IPC IPC(8): B62D6/00B62D101/00B62D117/00B62D119/00B62D113/00B62D127/00B62D137/00
CPCB62D6/00
Inventor 高炳钊孙呈祥苗丽颖田萌健
Owner JILIN UNIV