Use of causal knowledge in a real-time fuzzy logic controller

J. S. Saini, and Singh, Y. P. (1999) Use of causal knowledge in a real-time fuzzy logic controller. IEEE Transactions on Industry Applications, 35 (3). pp. 554-560. ISSN 0093-9994

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Abstract

The establishment of expert control techniques and their actual industrial impact have been inhibited by the lack of a comprehensive design methodology. This paper summarizes the principal drawbacks limiting the development of a definitive methodology and addresses the key problem of acquisition of process/plant knowledge, clarifying first the types of knowledge. For a case-study, a real-time fuzzy rule-based controller employing causal knowledge is designed for the control of liquid level in a pilot plant. It is tested for closed-loop operation under different conditions, viz., set point change, noise disturbance, and structural (parametric) change. The results show that the fuzzy controller employing causal knowledge yields superior performance over a qualitative controller and the conventional PID controller implemented on the same plant and subjected to similar disturbances

Item Type: Article
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering (FOE)
Depositing User: Ms Nurul Iqtiani Ahmad
Date Deposited: 28 Oct 2013 03:55
Last Modified: 28 Oct 2013 03:55
URI: http://shdl.mmu.edu.my/id/eprint/4320

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