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Study of Driving Stability Performance of 2-Wheeled Independently Driven Vehicle Using Electric Corner Module

전동 통합 샤시를 이용한 2륜 독립구동 차량의 선회성능 향상에 관한 연구

  • Park, Jinhyun (School of Mechanical Engineering, Sungkyunkwan Univ.) ;
  • Choi, Jeonghun (School of Mechanical Engineering, Sungkyunkwan Univ.) ;
  • Song, Hyeonwoo (School of Mechanical Engineering, Sungkyunkwan Univ.) ;
  • Hwang, Sung-Ho (School of Mechanical Engineering, Sungkyunkwan Univ.)
  • 박진현 (성균관대학교 기계공학부) ;
  • 최정훈 (성균관대학교 기계공학부) ;
  • 송현우 (성균관대학교 기계공학부) ;
  • 황성호 (성균관대학교 기계공학부)
  • Received : 2012.12.28
  • Accepted : 2013.05.14
  • Published : 2013.07.01

Abstract

An independently driven electric corner module cannot be applied to an actual vehicle without some difficulty, because of vehicle safety problems in the case of malfunctions and degraded ride and handling performance owing to the increase in the unsprung mass. In this study, a simulator is developed to evaluate the vehicle driving performance in order to solve ride and handling problems. Component modeling of a small-sized electric vehicle with an independently driven electric corner module is performed using MATLAB/Simulink. The vehicle is modeled by using CarSim, which can be used to analyze the vehicle maneuvers with 27 DOFs. The control algorithm for the improvement of vehicle driving safety and ride and handling performance is validated by using the developed simulator.

독립 구동형 전동 통합 샤시 시스템은 시스템 내구 성능 관련 신뢰성 확보, 구동 전동기 고장 시 차량 안정성 확보, 차륜 중량 증가에 따른 Ride & Handling 성능 저하 등의 문제로 실제 차량에 적용이 지연되고 있다. 본 논문에서는 이러한 문제들 중 Ride & Handling 문제를 해결하기 위해 차량의 주행성능 평가가 가능한 시뮬레이터를 개발하였다. MATLAB/Simulink를 이용하여 독립구동형 전동 샤시 시스템이 적용된 소형 전기 자동차를 모델링 하였으며, 27자유도의 차량 거동 해석이 가능한 CarSim을 이용하여 차량동역학을 모델링 하였다. 개발된 시뮬레이터를 활용하여 차량의 주행 안정성을 향상을 위한 알고리즘을 개발/검증함으로써 차량의 Ride & Handling 성능 저하 문제를 해결하고자 하였다.

Keywords

References

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