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International Journal of Automotive Technology > Volume 9(1); 2008 > Article
International Journal of Automotive Technology 2008;9(1): 17-27.
DESIGN OF INTEGRATED CHASSIS CONTROL LOGICS FOR AFS AND ESP
T. H. HWANG, K. PARK, S.-J. HEO, S. H. LEE, J. C. LEE
Kookmin University
ABSTRACT
The performance of most electronic chassis control systems in the past has been optimized individually. Recently, a great research effort has been dedicated to the integration of chassis control systems in an effort to improve the vehicle performance. This involves orchestration of individual control modules so that they can jointly contribute to the enhancement of their control effect. In this research, two integrated control logics for AFS (Active Front Steering) and ESP (Electronic Stability Program) have been developed. Of the two logics, one uses a supervisor that rules over the individual modules. The other logic uses a CL (Characteristic Locus) method, which is a frequency-domain multivariable control technique. The two logics have been tested under various driving conditions to investigate their control effects. The results indicate that the proposed integrated control logics can yield vehicle performance that is superior to that of the individual control modules without any integration scheme.
Key Words: ICC(Integrated Chassis Control), AFS(Active Front Steering), ESP(Electronic Stability Program), CL(Characteristic Locus) method
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