Journal of the Korean Society for Precision Engineering (한국정밀공학회지)

Korean Society for Precision Engineering (한국정밀공학회)
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Control Performance Comparison of Model-referenced and Map-based Control Method for Vehicle Lateral Stability Enhancement

차량 횡방향 안정성 향상을 위한 모델 참조 제어와 맵기반 제어 방법의 제어 성능 비교

  • 윤문영 (인제대학교 기계공학과) ;
  • 백승환 (인제대학교 기계공학과) ;
  • 최정광 (인제대학교 기계공학과) ;
  • 부광석 (인제대학교 고안전차량핵심기술연구소) ;
  • 김흥섭 (인제대학교 고안전차량핵심기술연구소)
  • Received : 2014.01.13
  • Accepted : 2014.02.25
  • Published : 2014.03.01
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Abstract

This study proposes a map-based control method to improve a vehicle's lateral stability, and the performance of the proposed method is compared with that of the conventional model-referenced control method. Model-referenced control uses the sliding mode method to determine the compensated yaw moment; in contrast, the proposed map-based control uses the compensated yaw moment map acquired by vehicle stability analysis. The vehicle stability region is calculated by a topological method based on the trajectory reversal method. The performances of model-referenced control and map-based control are compared under various road conditions and driving inputs. Model-referenced control uses a control input to satisfy the linear reference model, and it generates unnecessary tire lateral forces that may lead to worse performance than an uncontrolled vehicle with step steering input on a road with low friction coefficient. The simulation results show that map-based control provides better stability than model-referenced control.

Keywords

References

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