Self-adaptive cruise system with driving style learning capacity and implementation method

An adaptive cruise and driving style technology, applied in the field of intelligent assisted driving and car safety, and can solve problems such as immaturity

Active Publication Date: 2019-06-25
JILIN UNIV
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Problems solved by technology

Such methods are currently immature

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  • Self-adaptive cruise system with driving style learning capacity and implementation method
  • Self-adaptive cruise system with driving style learning capacity and implementation method
  • Self-adaptive cruise system with driving style learning capacity and implementation method

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Embodiment Construction

[0111]In order to meet the higher requirements of the development of automobile technology on the intelligent driving system, the system has the self-learning ability of driving style while ensuring the performance of the adaptive car-following system. The present invention proposes an adaptive cruise control system with driving style self-learning ability, which comprehensively considers two factors of vehicle following performance and driver's driving style. First, a second-order vehicle following model is established for the adaptive car following problem, and an optimization problem is established based on the quadratic optimal control method. The driving style is represented by unknown controller parameters in the vehicle following controller. The driving style self-learning ability, combined with the reinforcement learning method, uses the function approximation method and the least squares method to solve the unknown system parameters, which effectively improves the syst...

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Abstract

The invention belongs to the technical field of vehicle intelligent aided driving and vehicle safety, and particularly relates to a self-adaptive cruise system which changes system self-adaptive cruise vehicle following performance by learning driver style behaviors online and has driving style learning capacity and an implementation method. The self-adaptive cruise system with the driving style learning capacity and the implementation method are designed for solving vehicle self-adaptive cruise control problems. The system is applicable to L2 automatic drive vehicles, and aims at achieving the purpose of self-adaptively following a vehicle in front in an actual driving scene through environment perception and information fusion; meanwhile, driving styles of specific drivers are consideredin a driving strategy of the system, so that the system has consistent satisfaction degree and acceptability for different people. To achieve the purpose, a mode of combining a linear quadratic typecontrol method and a reinforcement learning online learning method is adopted for better optimizing the system performance.

Description

technical field [0001] The invention belongs to the technical field of automobile intelligent assisted driving and automobile safety, and specifically relates to an adaptive cruise system with driving style learning ability and an implementation method thereof, which can change the adaptive cruise follow-up performance of the system through online learning of the driver's style behavior. Background technique [0002] Intelligent driving assistance technology is gradually developing and has become the main development direction of vehicle technology research and development, which has attracted widespread attention worldwide. Under the background of vehicle system automation and intelligence, the cruise system is gradually developing. In the design of the control system of the adaptive cruise system currently developed, in addition to the more traditional methods such as PID and fuzzy control, advanced model-based control algorithms have been used in the adaptive cruise syste...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W30/14B60W30/16B60W40/09B60W10/06B60W10/18
Inventor 褚洪庆张羽翔高炳钊闫勇军陈虹
Owner JILIN UNIV
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