Sliding mode fuzzy controller for the control of nonlinear systems
The aim of the work described in this paper is to develop a suitable controller for positioning a pneumatic cylinder. The dynamics of a pneumatic servosystem is nonlinear because of the compressibility of air. In addition, on-off or binary valves often used in actuating pneumatic cylinders introd...
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| Format: | Article |
| Published: |
1994
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| Online Access: | http://journalarticle.ukm.my/1313/ http://www.ukm.my/jkukm/index.php/jkukm |
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| Summary: | The aim of the work described in this paper is to develop a suitable controller for
positioning a pneumatic cylinder. The dynamics of a pneumatic servosystem is
nonlinear because of the compressibility of air. In addition, on-off or binary valves
often used in actuating pneumatic cylinders introduces a nonlinear element into the
control loop. In this paper, a fuzzy logic controller based on the theory of variable
structure systems is proposed. The theory of variable structure has reduced the
number of rules required for fuzzy logic control. Experimental results have shown that
the controller is able to overcome the nonlinearities and position a pneumatic
cylinder accurately |
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