Degradation control for electric vehicle machines using nonlinear model predictive control

Show simple item record Samaranayake, Lilantha Longo, Stefano 2018-01-11T15:11:32Z 2018-01-11T15:11:32Z 2017-01-17
dc.identifier.citation Samaranayake L, Longo S, Degradation control for electric vehicle machines using nonlinear model predictive control, IEEE Transactions on Control Systems Technology, Vol. 26, Issue 1, January 2018, pp. 89-101 en_UK
dc.identifier.issn 1063-6536
dc.description.abstract Electric machines (motors and generators) are over actuated systems. In this paper, we show how to exploit this actuation redundancy in order to mitigate machine degradation while simultaneously ensuring that the desired closed loop performance is maintained. We formulate a multiobjective optimization problem with a cost function having terms representing closed loop performance and component degradation for an inverter-fed permanent magnet synchronous motor. Such machines are important as they are widely used as the prime mover of commercial electric vehicles. The resulting optimal control problem is implemented online via a nonlinear model predictive control (NMPC) scheme. The control framework is validated for standard vehicle drive cycles. Results show that the NMPC scheme allows for better closed loop performance and lower degradation than standard industrial controllers, such as the field-oriented control method. Hence, this paper demonstrates how the remaining useful life of a machine can be increased by appropriate controller design without compromising performance. en_UK
dc.language.iso en en_UK
dc.publisher IEEE en_UK
dc.rights Attribution-NonCommercial 4.0 International *
dc.rights ©2017 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
dc.rights.uri *
dc.subject Degradation en_UK
dc.subject Torque en_UK
dc.subject Electric machines en_UK
dc.subject Integrated circuit modeling en_UK
dc.subject Cost function en_UK
dc.subject Vehicle dynamics en_UK
dc.subject Optimal control en_UK
dc.subject Nonlinear model predictive control (NMPC) en_UK
dc.subject Permanent magnet synchronous motor (PMSM) en_UK
dc.title Degradation control for electric vehicle machines using nonlinear model predictive control en_UK
dc.type Article en_UK

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