Control of paralleled single-phase motors for a crop chopping machine |
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| Authors: | Sarawut Sujitjorn Sakrawee Raweekul Thanatchai Kulworawanichpong |
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| Affiliation: | 1. Suranaree University of Technology, School of Electrical Engineering, Control & Automation Research Unit-Power Electronics, Machines and Control Research Group, 111 University Avenue, Muang District, Nakhon Ratchasima 30000, Thailand;2. Rajamangala University of Technology Isan (Khon Kaen Campus), Department of Electrical Engineering, 150 Srichan Road, Muang District, Khon Kaen 40000, Thailand |
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| Abstract: | This article proposes a fuzzy control system for driving multiple single-phase induction motors in parallel connection. The drive system employs only a single PWM inverter controlled by a self-organizing fuzzy controller. This drive and control system has been utilized in an invented crop chopping machine. The article presents the control system concept, modeling of multiple motors in parallel connection, controller design, simulation of the closed-loop system and practical results. The control system stability is also analyzed on the basis of passivity theorem. |
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