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Vibration Control of Vehicle using Road Profile Information

외란 형상 정보를 활용한 진동제어

  • Kim, Hyo-Jun (Department of Mechanical Engineering, Kangwon National University)
  • 김효준 (강원대학교 기계공학과)
  • Received : 2017.02.27
  • Accepted : 2017.06.09
  • Published : 2017.06.30

Abstract

In this study, based on the RPS algorithm, the application results to an electrically controlled suspension system using previewed road information are presented. Reducing the excessive vibration induced by a disturbance transmitted to the system and secure its stability is a major issue. In particular, in the automotive industry, the demand is constantly being raised. A typical external disturbance causing vibration and instability of a vehicle is an irregular roadway surface that contacts a running vehicle tire. Therefore, obtaining such profile information is an important process. The RPS algorithm using a multi sensor system was constructed and implemented in a real car. Through experimental work using the RPS system included non-contact type optical sensors, it could robustly reconstruct the road input profiles from the intermixed data onto the vehicle's dynamic motion while traveling at an uneven roadway surface. A controller with a preview control was designed in the framework of a semi-active suspension system based on the 7 degrees of freedom full vehicle model. The control performance of the system was evaluated through simulations and the results were compared with the passive vehicle condition. These results highlight the feasibility of the presented control frame.

Keywords

Preview Control;Road Profile;Semi-active Control;Vehicle Suspension;Vibration Control

Acknowledgement

Supported by : 강원대학교

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