Please use this identifier to cite or link to this item: http://nopr.niscair.res.in/handle/123456789/48854
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dc.contributor.authorRezal, M.-
dc.contributor.authorIshak, Dahaman-
dc.date.accessioned2019-07-08T06:45:26Z-
dc.date.available2019-07-08T06:45:26Z-
dc.date.issued2019-07-
dc.identifier.issn0975-1033 (Online); 0379-5136 (Print)-
dc.identifier.urihttp://nopr.niscair.res.in/handle/123456789/48854-
dc.description1113-1119en_US
dc.description.abstractThis paper describes the performance enhancement of underwater propulsion motor using differential evolution optimization (DEO). Usually during development stage, an analytical subdomain model (ASM) is often preferred to be used in the design of electric machines since ASM has faster computational time compared to the finite element method. differential evolution algorithm is deployed to provide the optimization process in searching the optimal motor parameters iteratively and intelligently with specific objective functions. For this purpose, a three-phase, 6-slot/4-pole permanent magnet synchronous motor (PMSM) intended for the underwater propulsion system is first designed by using ASM and then later optimized by differential evolution algorithm. Five main motor parameters, i.e., magnet pole arc, magnet thickness, air gap length, slot opening, and stator inner radius are varied and optimized to achieve the design objective functions, i.e., high motor efficiency, high output torque, low total harmonic distortion (THDv) in back-emf, and low cogging torque. Results from differential evolution optimization show an improved performance of the proposed PMSM where the efficiency of the motor is increased to 96.1% from its initial value of 94.2%, 13% increase in the output torque, and 4.1% reduction for total harmonic distortion in its back-emf. Therefore, DEO can be highly considered during initial design stage to optimize the motor parameters in developing a good underwater propulsion motor.en_US
dc.language.isoen_USen_US
dc.publisherNISCAIR-CSIR, Indiaen_US
dc.rights CC Attribution-Noncommercial-No Derivative Works 2.5 Indiaen_US
dc.sourceIJMS Vol.48(07) [July 2019]en_US
dc.subjectUnderwater propulsion motoren_US
dc.subjectAnalytical subdomainen_US
dc.subjectDifferential evolutionen_US
dc.titlePerformance enhancement of underwater propulsion motor using differential evolution optimizationen_US
dc.typeArticleen_US
Appears in Collections:IJMS Vol.48(07) [July 2019]

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