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Development of a Tracked Vehicle Model for Real-time Simulation of Semi-active Suspension System  

손영일 (고등기술연구원 제품기술연구센터)
이종호 (고등기술연구원 제품기술연구센터)
송병석 (고등기술연구원 제품기술연구센터)
Publication Information
Transactions of the Korean Society of Automotive Engineers / v.11, no.4, 2003 , pp. 135-143 More about this Journal
Abstract
In this study, a real-time simulation model was developed for tracked vehicles with in-arm type semi-active hydro-pneumatic suspension unit using MATLAB S-functions. Since the vehicle model uses relative coordinates and massless link elements, the developed model has an enhanced analytic time performance. Through the comparison of simulation results with multi-body software(DADS), the vehicle model is verified. A controller using on-off skyhook control algorithm is designed with the pilot-centre]led proportional valve based on conventional damper characteristics. Exploiting the developed tracked vehicle model with other subsystem model such as a controller model, a suspension unit model, and a test road model, computer simulations are carried out. Control simulation results with the developed tracked vehicle model show that the semi-active suspension control system has a better performance than the conventional suspension system.
Keywords
In-arm hydro-pneumatic suspension unit; Semi-active suspension control; Tracked vehicle; Real-time simulation model; S-function; Skyhook control;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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