Real-time detection of intermittent misfiring in a voltage-fed PWM inverter induction-motor drive. - Kenneth Scot Smith; Li Ran; Jim Penman (IEEE Trans. Ind. Electron., 1997)

Induction machine condition monitoring with higher order spectra. - Neil Arthur; Jim Penman (IEEE Trans. Ind. Electron., 2000)

The detection of inter-turn short circuits in the stator windings of operating motors. - Gojko M. Joksimovic; Jim Penman (IEEE Trans. Ind. Electron., 2000)