This paperpresentsamethodfortheoptimaldesignofaslotlesspermanentmagnetbrushlessDC
(BLDC)motorwithsurfacemountedmagnetsusingageneticalgorithm.Characteristicsofthemotorare
expressedasfunctionsofmotorgeometries.Theobjectivefunctionisacombinationoflosses,volume
and costtobeminimizedsimultaneously.Electricalandmechanicalrequirements(i.e.voltage,torque
and speed)andotherlimitations(e.g.upperandlowerlimitsofthemotorgeometries)arecastinto
constraintsoftheoptimizationproblem.Onesamplecaseisusedtoillustratethedesignand
optimizationtechnique.