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스티어 바이 와이어 시스템에서의 차량 기동성과 안정성 향상을 위한 통합 샤시 제어 시스템
김광일(Kwang il Kim),신재곤(Jae Kon Shin),이경수(Kyung Su Yi) 대한기계학회 2016 대한기계학회 춘추학술대회 Vol.2016 No.12
This paper describes a unified chassis control strategy for enhancing maneuverability and lateral stability of the vehicle by integration of active front steer and electronic stability control in steer-by-wire system. Steer-by-wire system is composed of two part which are steering system and rack system. Target yaw rate model is designed considering the driving situation. To track the target yaw rate, active front steer control and direct yaw moment control is used. The target yaw moment is generated by the coordination of the AFS and ESC systems. To generate to target yaw moment considering a performance limit of the tire, the coordination is formulated as an optimization problem which objective is to minimize the longitudinal deceleration. Closed loop simulations with a driver model were conducted to examine the performance of the proposed control system.
김성하(Sung-Ha Kim),송철기(Chul-Ki Song),김건상(Kun-Sang Kim),이성철(Seong-Chul Lee),우민수(Min-Su Woo),이경수(Kyung-Su Yi) 한국자동차공학회 1998 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1998 No.5_2
Collision Warning System has been as active research and development area as the interests and demande for active safety of road vehicles increase. This paper presents an experimental investigation of Collision Warning System for automobiles. A Collision Warning HiLS(Hardware-in-the-Loop Simulation) system has been designed and used to test a Collision Warning algorithm. Radar censors. And warning displays under realistic operating conditions in the laboratory. A Collision Warning algorithm consists of warning index defined by the warning distance and following vehicles. Relative distance and relative velocity of the vehicles using vehicle simulation models. The relative distance and the relative velocity are applied to the vehicle simulator controlled by a DC motor.<br/>