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International Journal of Automotive Technology > Volume 19(2); 2018 > Article
International Journal of Automotive Technology 2018;19(2): 263-270.
doi: https://doi.org/10.1007/s12239-018-0025-0
SELECTION OF ACTUATOR COMBINATION IN INTEGRATED CHASSIS CONTROL USING TAGUCHI METHOD
Seongjin Yim
Seoul National University of Science and Technology
ABSTRACT
This paper presents a method to select the actuator combination in integrated chassis control using Taguchi method. Electronic stability control (ESC), active front and rear steering (AFS/ARS) are used as an actuator, which is needed to generate a control tire force. After computing the control yaw moment in the upper-level controller, it is distributed into the control tire forces, generated by ESC, AFS and ARS in the lower-level controller. In this paper, the weighted pseudo-inverse control allocation (WPCA) with variable weights is used to determine the control tire forces of each actuator. Taguchi method is adopted for sensitivity analysis on variable weights of WPCA in terms of the control performances such as the maneuverability and the lateral stability. For sensitivity analysis, simulation is performed on a vehicle simulation package, CarSim. From sensitivity analysis, the most effective actuator combination is selected.
Key Words: Integrated chassis control, Taguchi method, Electronic stability control, Active front steering, Active rear steering, Weighted pseudo-inverse control allocation
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