Research on a Stepwise Optimization Design of a Flywheel Motor Based on AKMMP

Flywheel motor topology was analyzed, and a main performance optimization model and stator/rotor core loss optimization model were provided. Then, an adaptive kriging surrogate model based on the MaxPro design (AKMMP) was used, improving the optimization precision and efficiency. Based on these prel...

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Bibliographic Details
Published in:IEEE access 2019, Vol.7, p.34462-34476
Main Authors: Bu, Jianguo, Lan, Xudong, Zhou, Ming, Lv, Kaixiong
Format: Article
Language:English
Subjects:
AKMMP
Core loss
Design optimization
Design techniques
flywheel motor
Flywheels
Insulation
Liquid cooling
Magnetic circuits
non-dominated sorting genetic algorithm (NSGA-2)
Optimization
optimization design
Permanent magnet motors
Rotors
Stators
Topology
Windings
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Summary:Flywheel motor topology was analyzed, and a main performance optimization model and stator/rotor core loss optimization model were provided. Then, an adaptive kriging surrogate model based on the MaxPro design (AKMMP) was used, improving the optimization precision and efficiency. Based on these preliminary outcomes, a stepwise optimization design method of flywheel motor based on AKMMP was proposed. The brief design process includes five steps: 1) initial structure of the flywheel motor: outer rotor, 16 poles/18 slots, double layer concentrated winding, inclined shoulder flat bottom slot, water cooling, and F grade insulation; 2) first step optimization: performance optimization using AKMMP to obtain the performance Pareto solution set; 3) according to the performance of a flywheel motor, selection of the suitable case from the performance Pareto solution set; 4) second step optimization: further optimization of the stator/rotor core loss for the case obtained before using AKMMP, and; 5) creation of the final optimization design structure. Then, complete the flywheel motor design by the stepwise optimization design method. Finally, the prototype of the flywheel motor was produced, and performance testing was performed.
ISSN:2169-3536
2169-3536
DOI:10.1109/ACCESS.2019.2904179