Browse Publications Technical Papers 2006-01-1124
2006-04-03

Monitoring and Diagnostics for Electric Drivetrain Components in HEVs 2006-01-1124

This paper presents monitoring and diagnostic techniques for drivetrain components in hybrid electric vehicles (HEVs). The particular focus of this work is the gear box of the drivetrain and mechanical faults of the electric motor. Permanent magnet motor magnet failures and rotor eccentricities are investigated and diagnosed. For induction motors, the presented mechanical fault cases are electrical rotor asymmetries (defective bars and end rings) and rotor eccentricities, as well. Apart from stationary operation, the presented techniques can also be applied to transient operating conditions. Measurement results are presented and discussed.

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