Transactions of the Korean Society of Automotive Engineers (한국자동차공학회논문집)

The Korean Society of Automotive Engineers (한국자동차공학회)
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HILS(Hardware-In-the-Loop Simulation) Development of a Steering HILS System

전동식 동력 조향 장치 시험을 위한 HILS(Hardware-In-the-Loop Simulation) 시스템 개발

  • 류제하 (광주과학기술원 기전공학과) ;
  • 노기한 (자동차부품연구원) ;
  • 김종협 (광주과학기술원 기전공학과 대학원) ;
  • 김희수 (광주과학기술원 기전공학과 대학원)
  • Published : 1999.12.01
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Abstract

The paper presents development of a Hardware-In-the-Loop simulation (HILS) system for the purpose of testing performance, stability, and reliability of an electronic power steering system(EPS). In order to realistically test an EPS by the proposed HILS apparatus, a simulated uniaxial dynamic rack force is applied physically to the EPS hardware by a pnumatic actuator. An EPS hardware is composed of steering wheel &column, a rack & pinion mechanism, andas motor-driven power steering system. A command signal for a pneumatic rack-force actuator is generated from the vehicle handling lumped parameter dynamic model 9software) that is simulated in real time by using a very fast digital signal processor. The inputs to the real-time vehicle dynamic simulation model are a constant vehicle forward speed and from wheel steering angles driven through a steering system by a driver. The output from a real-time simulation model is an electric signal that is proportional to the uniaxial rack force. The vehicle handling lumped parameter dynamic model is validated by a fully nonlinear constrained multibody vehicle dynamic model. The HILS system simulation results sow that the proposed HILS system may be used to realistically test the performance stability , and reliability of an electronic power steering system is a repeated way.

Keywords

References

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