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Experimental comparison between proportional and PWM-solenoid valves controlled servopneumatic positioning systems

Abd Rahman, Ramhuzaini and Sepehri, Nariman (2017) Experimental comparison between proportional and PWM-solenoid valves controlled servopneumatic positioning systems. Transactions of the Canadian Society for Mechanical Engineering, 41 (1). pp. 65-83. ISSN 03158977

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Abstract

The performance of the Dynamical Adaptive Backstepping-Sliding Mode Control (DAB-SMC) scheme for positioning of a pneumatic cylinder regulated by two types of PWM-solenoid valves is experimentally investigated. The goal is to study the compromise in controller’s performance as the system moves from using a proportional valve to employing the low-cost PWM-solenoid valves. Sinusoidal and multiple-step inputs are used as the reference position trajectories. Experimental results show that the DAB-SMC scheme works best with the proportional valve. The performance, however, deteriorates by more than twofold, once the system utilizes PWM- solenoid valves of 3/2-way or 2/2-way configurations. From this study, tradeoff between performances of different types of valves applied on a DAB-SMC scheme-controlled servo positioning system is successfully documented. This information helps to configure appropriate servopneumatic system for positioning applications.

Item Type: Article
Uncontrolled Keywords: Dynamical adaptive backstepping-sliding mode control; pneumatics; PWM-solenoid valves
Subjects: T Technology > TJ Mechanical engineering and machinery > TJ212-225 Control engineering systems. Automatic machinery (General)
Divisions: Faculty of Mechanical and Manufacturing Engineering > Department of Mechanical Engineering Technology
Depositing User: Mr. Mohammad Shaifulrip Ithnin
Date Deposited: 13 Aug 2018 03:17
Last Modified: 04 Nov 2019 06:34
URI: http://eprints.uthm.edu.my/id/eprint/9524
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