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Peresada, Sergei, Kovbasa, Serhii, Dymko, Serhii and Bozhko, Serhiy (2016) Dynamic output feedback linearizing control of saturated induction motors with torque per ampere ratio maximization. In: 2nd International Conference on Intelligent Energy and Power Systems (IEPS 2016), 7-11 June 2016, Kiev, Ukraine.

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Abstract

The paper presents a novel maximum torque per Ampere (MTA) controller for induction motor (IM) drives. The proposed controller exploits the concept of direct (observer based) field orientation and guarantees asymptotic torque tracking of smooth reference trajectories and maximizes the torque per Ampere ratio when the developed torque is constant or slowly varying. A dynamic output-feedback linearizing technique is employed for the torque subsystem design. In order to improve torque tracking accuracy a motor magnetizing curve is taken into account during MTA optimization and controller design.

The achieved steady-state system efficiency have been compared experimentally for three types of controllers, namely: standard vector control with constant flux operation, controller based on classic maximization of torque per Ampere ratio for linear magnetic circuit and controller based on MTA strategy for saturated induction motor. It is shown experimentally that the controller designed for saturated induction motor provides not only higher torque per Ampere ratio but also increases power factor and reduces active power consumption hence improving the drive efficiency. Operation with slowly varying torque references has also been analysed. It is shown that the proposed controller is suitable for applications that do not demand an extremely fast dynamic response, for example for electric vehicle drives.

Item Type:	Conference or Workshop Item (Paper)
RIS ID:	https://nottingham-repository.worktribe.com/output/796305
Additional Information:	© 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Keywords:	Induction motor, Field-orientated control, Maximum torque per ampere ratio, Flux saturation
Schools/Departments:	University of Nottingham, UK > Faculty of Engineering > Department of Electrical and Electronic Engineering
Related URLs:	URL URL Type http://ieps.kpi.ua/ UNSPECIFIED
Depositing User:	Burns, Rebecca
Date Deposited:	13 Sep 2016 10:34
Last Modified:	04 May 2020 17:57
URI:	https://eprints.nottingham.ac.uk/id/eprint/36482

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