• CN: 11-2187/TH
  • ISSN: 0577-6686

Journal of Mechanical Engineering ›› 2021, Vol. 57 ›› Issue (6): 131-141.doi: 10.3901/JME.2021.06.131

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Multi-condition Parking Space Recognition Based on Information Fusion and Decision Planning of Automatic Parking System

JIANG Wuhua, XIN Xin, CHEN Wuwei, CUI Weiwei   

  1. School of Automotive and Transportation Engineering, Hefei University of Technology, Hefei 230009
  • Received:2020-09-02 Revised:2021-01-08 Online:2021-03-20 Published:2021-05-25

Abstract: Aiming at the lack of recognition of inclined parking spaces in automatic parking system, a method of intelligent recognition of inclined parking spaces in daily life is proposed, and multi-condition parking spaces recognition and parking are achieved. Based on the recognition of existing parallel and vertical parking spaces, the method is combined with distance and visual information. In this method, the information of ultrasonic sensor, camera and wheel speed sensor are used to obtain the pose feature parameters of a vehicle, the Sugeno fuzzy inference method is used to to determine three different types of parking spaces: horizontal, vertical and inclined. subsequently, the multi- condition parking space identification model and the corresponding path planning model are built in Matlab/Simulink soft, and the simulation is carried out for six different types of inclined parking spaces, parallel parking spaces and vertical parking spaces. finally, the real vehicle test is carried out. The simulation and real vehicle test results show the effectiveness and rationality of the above parking space identification method and path planning strategy.

Key words: information fusion, inclined parking spaces, multi-condition parking spaces recognition, fuzzy reasoning, analysis of obstacle avoidance

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