TY - GEN
T1 - Multi-objective tradeoffs in the design optimization of a brushless permanent magnet machine with fractional-slot concentrated windings
AU - Zhang, Peng
AU - Sizov, Gennadi Y.
AU - Li, Muyang
AU - Ionel, Dan M.
AU - Demerdash, Nabeel A.O.
AU - Stretz, Steven
AU - Yeadon, Alan W.
PY - 2013
Y1 - 2013
N2 - In this paper, a robust parametric model of a brushless (BL) permanent magnet (PM) machine with fractional-slot concentrated windings (FSCW), which was developed for automated design optimization is presented. A computationally efficient-finite element analysis (CE-FEA) method was employed to estimate the dq-axes inductances, the induced voltage and torque ripple waveforms, and losses of the machine. A method for minimum effort calculation of the torque angle corresponding to the maximum torque per ampere (MTPA) load condition was developed. A differential evolution (DE) algorithm was implemented for the global design optimization with two concurrent objectives of minimum losses and minimum material cost. An engineering decision process based on the Pareto-optimal front for 3,500 candidate designs is presented together with discussions on the tradeoffs between cost and performance. One optimal design was finally selected, prototyped and tested.
AB - In this paper, a robust parametric model of a brushless (BL) permanent magnet (PM) machine with fractional-slot concentrated windings (FSCW), which was developed for automated design optimization is presented. A computationally efficient-finite element analysis (CE-FEA) method was employed to estimate the dq-axes inductances, the induced voltage and torque ripple waveforms, and losses of the machine. A method for minimum effort calculation of the torque angle corresponding to the maximum torque per ampere (MTPA) load condition was developed. A differential evolution (DE) algorithm was implemented for the global design optimization with two concurrent objectives of minimum losses and minimum material cost. An engineering decision process based on the Pareto-optimal front for 3,500 candidate designs is presented together with discussions on the tradeoffs between cost and performance. One optimal design was finally selected, prototyped and tested.
KW - differential evolution
KW - finite element analysis
KW - fractional-slot concentrated winding
KW - multi-objective design optimization
KW - permanent magnet machine
UR - http://www.scopus.com/inward/record.url?scp=84891082444&partnerID=8YFLogxK
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U2 - 10.1109/ECCE.2013.6647070
DO - 10.1109/ECCE.2013.6647070
M3 - Conference contribution
AN - SCOPUS:84891082444
SN - 9781479903351
T3 - 2013 IEEE Energy Conversion Congress and Exposition, ECCE 2013
SP - 2842
EP - 2849
BT - 2013 IEEE Energy Conversion Congress and Exposition, ECCE 2013
T2 - 5th Annual IEEE Energy Conversion Congress and Exhibition, ECCE 2013
Y2 - 15 September 2013 through 19 September 2013
ER -