John A. Houldsworth

PWM AC motor drive employing ultrasonic carrier

Duncan Grant, John A. Houldsworth, 1984 .

Annual Meeting of the Industry Applications Society, San Francisco,

Duncan A Grant, John A. Houldsworth, K. Lower, 1982 .

Annual Meeting of the Industry Applications Society of the IEEE, Mexico City,

Duncan A Grant, John A. Houldsworth, M. Stevens, 1983 .

The Use of Harmonic Distortion to Increase the Output Voltage of a Three-Phase PWM Inverter

John A. Houldsworth, Duncan A. Grant, D. Grant, 1984, IEEE Transactions on Industry Applications.