브레이크캘리퍼를 가진 기계제동시스템의 루프내하드웨어시뮬레이션

Hardware-in-the-loop simulation(HILS) technology makes it possible to test and evaluate a system performance including a target hardware device in real-time. A part of the system that could be dangerous for actual vehicle tests is simulated using a computer dynamic model, and the other part of the system is composed of the actual components to be evaluated. In this paper, we introduce a brake HILS system of a railway vehicle to test and evaluate the performance of a mechanical brake unit, which is composed of a DSP computing device for executing a vehicle dynamic model in real-time, an actual brake operating unit with a pneumatic brake and a brake caliper, a brake control computer for a braking control algorithm and an anti-skid control algorithm, and two hosting computers. The proposed brake HILS system is tested experimentally to verify the usefulness of the system for a braking condition.