Fresh particle crowd optimisation of efficiency-oriented control in interior permanent magnet synchronous motor during operation
by Hakchol Jong; Songchol Hyon; Chonung Kim; Sunghyok Kim
International Journal of Power and Energy Conversion (IJPEC), Vol. 11, No. 2, 2020

Abstract: High-efficiency electric drive systems claim not only optimally designed electric machines but also efficiency-oriented control strategies. Taking machines and drives into synergetic consideration, this paper proposes a fresh particle crowd optimisation (FPCO) of efficiency-oriented control algorithm named maximum outer torque per ampere (MOPA) control and maximum efficiency per ampere (MEPA) control, aiming to maximise the efficiency of interior permanent magnet synchronous machines during operation. Difference from conventional i_d = 0 or maximum torque per ampere control, MOPA and MEPA fully consider the cross effect core loss, iron loss, supplementary loss and mechanical loss, from which the full-order loss model of interior permanent magnet synchronous motor (IPMSM) is built. In order to identify the accuracy of the efficiency-oriented control algorithm, the efficiency-oriented controlled system on based FPCO using non-singular terminal sliding (NTS) controller is built, on the base of this, the stabilisation of the current trajectory and the voltage vector from simulation and testing are inspected. After that, the higher effectiveness of MOPA and MEPA is proved through the operation experiment of IPMSM of which capacity is 82 kW.

Online publication date: Thu, 02-Apr-2020

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