Design and Control of Bed Stage for Patient Compartment of Ambulance Using MR Damper

MR 댐퍼를 이용한 구급차의 환자용 Bed Stage 설계 및 제어

This paper proposes a new bed stage system for vibration attenuation in patient compartment of ambulance. The bed stage which consist of four MR dampers can isolate vibration in the vertical, rolling and pitching directions. After evaluating dynamic characteristics of MR damper, 1/4 bed stage model is formulated. The sky hook controller is then utilized for vibration control. Finally, control responses of the bed stage equipped with MR dampers are presented.