DESIGN OF FUZZY CONTROLLER FOR ACTIVE SUSPENSION SYSTEM

被引:43
|
作者
TING, CS [1 ]
LI, THS [1 ]
KUNG, FC [1 ]
机构
[1] NATL CHENG KUNG UNIV,DEPT ELECT ENGN,CONTROL SYST LAB,TAINAN 70101,TAIWAN
关键词
D O I
10.1016/0957-4158(95)00014-V
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
The control objective of an active suspension system is to produce excellent sprung mass isolation (i.e. ride quality), not too large a rattle space and good road holding ability. Due to the specific dynamics, the active suspension usually adopts a compromise control policy such as linear quadratic regulation (LQR) or linear quadratic Gaussian (LQG) to determine the feedback gains of the controller. In contrast to the full-state feedback control, a sliding mode fuzzy control strategy is employed to design a stable controller for a quarter-car model of the active suspension system. Motivated by the principle of singular perturbation, a systematic design approach is introduced and verified by computer simulation. It is shown that satisfactory performance can be achieved even if the system is under perturbed conditions.
引用
收藏
页码:365 / 383
页数:19
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