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Title: Combination of sliding mode controller and PI controller using fuzzy logic controller
Authors: Wong, LK
Leung, FHF 
Tam, PKS
Keywords: Closed loop control systems
Control system analysis
Control system synthesis
Fuzzy sets
System stability
Two term control systems
Issue Date: 1998
Publisher: IEEE
Source: The 1998 IEEE International Conference on Fuzzy Systems proceedings : IEEE World Congress on Computational Intelligence : May 4-May 9, 1998, Anchorage, Alaska, USA, p. 296-301 How to cite?
Abstract: This paper proposes an approach to combine a sliding mode controller (SMC) and a PI controller using a fuzzy logic controller. An SMC can give good transient performance. However, the steady state performance is poor due to the presence of discontinuous control which causes chattering. On the other hand, a PI controller can offer zero steady state error. Hence, combining these two controllers by a fuzzy logic controller can combine their advantages and remove their disadvantages. Although the PI sub-system has one order higher than the SMC sub-system, the closed-loop system stability under the control of this fuzzy logic controller can still be proved by applying a new proposed method. An illustrative example shows that good transient and steady state responses can be obtained by applying the proposed controller.
ISBN: 0-7803-4863-X
Rights: © 1998 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
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