Feedforward Electronic Torque Ripple Compensation System
Original Publication Date: 1989-Dec-01
Included in the Prior Art Database: 2005-Jan-31
This invention addresses the problem of torque ripple in a DC brushless motor. The torque ripple is due to the sinusoidal torque versus rotor angular displacement function and to inaccuracies in electronically commutating the currents in a typical DC brushless motor.