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Sliding mode based incipient sensor fault-tolerant control for DC servomotor drives

Abstract : A robust observer-controller structure for sensor fault-tolerant control is proposed for DC servomotor drives. Incipient sensor faults are considered and detected using the Higher Order Sliding Mode (HOSM) observer, followed by a tracking controller which maintains the acceptable drive performance. A fractional Integral Terminal Sliding Mode (ITSM) surface with HOSM terms is considered for the speed output tracking control objective. Experimental results on a DC motor-based Industrial Mechatronic Drives Unit (IMDU) with belt-drive inertial load (which exhibits nonlinear friction, torque variations and other disturbances) validate the effectiveness of the proposed approach. © 2017 IEEE.
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https://hal-uphf.archives-ouvertes.fr/hal-03663287
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Submitted on : Tuesday, May 10, 2022 - 9:29:22 AM
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Suneel Kumar Kommuri, Jagat Jyoti Rath, Ghufran Shafiq, Venkateswarlu Gonuguntla, Kalyana Chakravarthy Veluvolu. Sliding mode based incipient sensor fault-tolerant control for DC servomotor drives. 14th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON), Jun 2017, Phuket, Thailand. pp.733-736, ⟨10.1109/ECTICon.2017.8096343⟩. ⟨hal-03663287⟩

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