PD-type vs. PID-type fuzzy controllers
Resource
TENCON '92. Technology Enabling Tomorrow : Computers, Communications and Automation towards the 21st Century. 1992 IEEE Region 10 International Conference.
Journal
TENCON '92, IEEE Region 10 International Conference
Pages
341-345
Date Issued
1992-11
Date
1992-11
Author(s)
Yen, Chen-Cheng
DOI
N/A
Abstract
A fuzzy controller considering the error and the charge rate of error of the output variable can be regarded as a nonlinear PD controller. The authors show that the PD-type fuzzy controller is deficient in structure and can be improved by incorporating the summation of the output errors. The proposed PID-type fuzzy controller is capable of achieving zero steady-state error with very little overshoot for difference reference points, which is a very difficult task for a fixed PD-type fuzzy controller. Several examples are shown to illustrate the weakness of the PD-type fuzzy controllers and the improvements obtained by the addition of summation-of-errors in the premise of the rule base. © 1992 IEEE.
Other Subjects
Errors; Charge rate; Fuzzy controllers; Output errors; Output variables; PD controllers; PID type fuzzy controller; Reference points; Zero steady state error; Controllers
Type
conference paper
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