Interval Type-2 Fuzzy PID Controller Using Disassembled Gradational Optimization

doi:10.3390/s23229067

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	Interval Type-2 Fuzzy PID Controller Using Disassembled Gradational Optimization
	Y. Chu, H. Han, T. Ma, M. Zhu, Z. Li, Z. Xu and Q. Wu
	2023
Source Publication	Sensors
ISSN	14248220
Volume	23 Issue:22
Abstract	This paper presents an interval type-2 fuzzy proportional–integral–derivative (IT2F-PID) controller that is designed using a new disassembled gradational optimization (D-GO) method. A PID controller is first optimized using the D-GO method and then connected to a type-1 fuzzy logic system (T1-FLS). The parameters of the T1-FLS are optimized, and the T1-FLS is blurred into the interval type-2 fuzzy logic system (IT2-FLS). Finally, the IT2F-PID controller is formed. The proposed method is compared with the concurrent and general optimization methods. The simulation results show that the D-GO method reduces the optimization time by over 90% compared with the general method, and decreases the integral-of-time-absolute-error (ITAE) by 30%. Beyond that, compared with the concurrent optimization method, the D-GO method reduces time by over 25%, and the ITAE value by about 95%. In the normal case, model uncertainty, target uncertainty, and external disturbance, the control ability of the IT2F-PID controller designed using the D-GO method is verified via simulations using a nonlinear forced closed-loop system. The results show that the overshoot is reduced by 80% and the fluctuation is reduced by 67% compared with a traditional PID controller and an IT2F-PID controller built using the general method. © 2023 by the authors.
DOI	10.3390/s23229067
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Indexed By	sci ; ei
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Document Type	期刊论文
Identifier	http://ir.ciomp.ac.cn/handle/181722/67412
Collection	中国科学院长春光学精密机械与物理研究所
Recommended Citation GB/T 7714	Y. Chu, H. Han, T. Ma, M. Zhu, Z. Li, Z. Xu and Q. Wu. Interval Type-2 Fuzzy PID Controller Using Disassembled Gradational Optimization[J]. Sensors,2023,23(22).
APA	Y. Chu, H. Han, T. Ma, M. Zhu, Z. Li, Z. Xu and Q. Wu.(2023).Interval Type-2 Fuzzy PID Controller Using Disassembled Gradational Optimization.Sensors,23(22).
MLA	Y. Chu, H. Han, T. Ma, M. Zhu, Z. Li, Z. Xu and Q. Wu."Interval Type-2 Fuzzy PID Controller Using Disassembled Gradational Optimization".Sensors 23.22(2023).

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