Jury evaluation of electric power steering sounds
Keywords:Automobile electric equipment, Automobile steering equipment, Electric motors, Signal noise measurement, Airborne radiated noise, Electric power steering sounds, Jury evaluation, Structure-borne induced noise
AbstractThe sound generated by a brushless motor-assisted steering system is examined. The objective of the study is to determine the acceptable levels of in-vehicle structure-borne induced noise and airborne radiated noise contributors relative to the current baseline system. It is shown that acceptable electric power steering levels allow tradeoffs between structure-borne and airborne noise sources. Changes in electric motor structure-borne and airborne sound levels are highly correlated to jury acceptable results.
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