Control Performance Improvement of Hydro-Viscous Clutch Based on Fuzzy-PID Controller

Xiangping Liao, Shuai Yang, Dong Hu, Guofang Gong and Xiongbin Peng
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Xiangping Liao: College of Mechanical Engineering, Hunan University of Humanities, Science and Technology, Loudi 417000, China
Shuai Yang: College of Mechanical Engineering, Hunan University of Humanities, Science and Technology, Loudi 417000, China
Dong Hu: College of Mechanical Engineering, Hunan University of Humanities, Science and Technology, Loudi 417000, China
Guofang Gong: State Key Laboratory of Fluid Power Transmission and Control, Zhejiang University, Hangzhou 310027, China
Xiongbin Peng: Department of Mechanical Engineering, Shantou University, Shantou 515063, China

Energies, 2021, vol. 14, issue 24, 1-15

Abstract: As a rotational speed controller, a hydro-viscous clutch (HVC) is usually used in the constant pressure water supply system to maintain the needed water pressure constant. However, when the hydro-viscous clutch is working, it often suffers from the problem of output rotational speed fluctuation since the spool of proportional relief valve can easily get stuck. Consequently, water pressure will fluctuate too. A special pump control system of HVC was proposed based on the Fuzzy-PID controller for the purpose of reducing the fluctuation rate. The MATLAB simulation was carried out according to the mathematical model and the results show that the Fuzzy-PID control strategy is superior to traditional PID control. The corresponding experiment was performed and the result indicate that through applying the Fuzzy-PID controller based pump control system, the rotational output speed fluctuation of HVC can be inhibited from ±60π to ±6π rad/min, and the water pressure fluctuation is dropped from ±0.1 to ±0.002 MPa.

Keywords: Fuzzy-PID control; hydro-viscous clutch; mathematical model; pump control system; speed fluctuation (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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