ARS시스템 개발을 위한 시뮬레이션 환경구축 및 Test Bench를 이용한 성능 평가
2010
In this research, the driving logic for operating valves in a hydraulic ARS(Active Roll Stabilization) system has been developed. The ARS system consists of the valve block, pump, reservoir, rotary actuator and hose. For modeling detailed characteristics of this hybrid system including electrical, mechanical, and hydraulic components, the commercial software AEMSim was adopted. The driving logic has been designed using the feedforward and feedback controllers so that once the target torque is entered from the higher level controller, the actuator generates the driving pressures quickly at the front and rear axles. The driving logic was first verified in the simulation environment run by AMESim and Matlab/Simulink, then it was validated in the test bench. In various tests, the driving logic gave satisfactory results in response time and tracking performance.
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