Liquor blending control based on variable universe fuzzy-Smith modle

Authors

ZHOU Yong-shuai, School of Automation and Information Engineering, School of Automation and Information Engineering, Yibin, Sichuan 644000 , China ；Sichuan Provincial Key Laboratory of Artificial Intelligence, Yibin, Sichuan 644000 , China
TUO Xian-guo, School of Automation and Information Engineering, School of Automation and Information Engineering, Yibin, Sichuan 644000 , China ；Sichuan Provincial Key Laboratory of Artificial Intelligence, Yibin, Sichuan 644000 , China
HAN Qiang, School of Automation and Information Engineering, School of Automation and Information Engineering, Yibin, Sichuan 644000 , China ；Sichuan Provincial Key Laboratory of Artificial Intelligence, Yibin, Sichuan 644000 , China
LIU Xin, School of Automation and Information Engineering, School of Automation and Information Engineering, Yibin, Sichuan 644000 , China ；Sichuan Provincial Key Laboratory of Artificial Intelligence, Yibin, Sichuan 644000 , China

Abstract

Objective:Meets the requirements of no overshoot in the response of the liquor blending control system, and eliminate the influence of system time lag on its control effect.Methods:An algorithm of liquor blending control based on variable universe fuzzy-Smith was proposed. Analyzed the control process and characteristics of the system and establish an approximate mathematical model. Quoting Smith predictor to compensate for the time lag in the system, utilizing the characteristics of fuzzy control to solve the problem of inaccurate system mathematics model, combined with the variable universe method to eliminate the shortcomings of conventional fuzzy control method with steady-state errors due to the poor accuracy. The algorithm was simulated by Matlab.Results:Compared with PID-Smith and fuzzy-Smith control algorithm, on the premise of ensuring that there was no overshoot in the system response, and the proposed algorithm had faster adjustment speed and better robustness.Conclusion:The variable universe fuzzy-Smith algorithm can realize the precise control of the flow of the liquor blending control system.

Publication Date

7-7-2022

First Page

203

Last Page

209

Recommended Citation

Yong-shuai, ZHOU; Xian-guo, TUO; Qiang, HAN; and Xin, LIU (2022) "Liquor blending control based on variable universe fuzzy-Smith modle," Food and Machinery: Vol. 38: Iss. 2, Article 34.
Available at: https://www.ifoodmm.cn/journal/vol38/iss2/34

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