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http://dx.doi.org/10.5762/KAIS.2019.20.5.621

Analysis of Load Simulating System Considering Lateral Behavior of a Vehicle  

Kim, Hyo-Jun (Department of Mechanical Engineering, Kangwon National University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.20, no.5, 2019 , pp. 621-626 More about this Journal
Abstract
The driver's steering wheel maneuver is a typical disturbance that causes excessive body motion and traveling instability of a vehicle. Abrupt and extreme operation can cause rollover depending on the geometric and dynamic characteristics, e.g., SUV vehicles. In this study, to cope with the performance limitation of conventional cars, fundamental research on the structurization of a control system was performed as follows. Mathematical modeling of the lateral behavior induced by driver input was carried out. A controller was designed to reduce the body motion based on this model. An algorithm was applied to secure robust control performance against modeling errors due to parameter uncertainty, $H_{\infty}$. Using the decoupled 1/4 car, a dynamic load simulating model considering the body moment was suggested. The simulation result showed the validity of the load-simulating model. The framework for a lateral behavior control system is proposed, including an experimental 1/4 vehicle unit, load simulating module, suspension control module, and hardware-in-the-loop simulation technology.
Keywords
Steer Maneuver; LB Model; Body Motion Control; LS Model; Hardware-In-The-Loop Simulation;
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