The DCS4020 bipolar chopper drive provides all basic motor-control capabilities, including directional control, output-enable control, and full- or half-stepping of bipolar steppers. An oscillator ...

Cover title: Demonstration report covering electrical propulsion and control systems. Prepared for Parsons Brinckerhoff-Tudor-Bechtel, general engineering consultants to San Francisco Bay Area Rapid ...

To better understand the origins of noise, we need to think about how the rotation movement takes place. When a stepper motor performs a step, it does not stop immediately but continues to move ...

SCR speed controllers that supply 180Vdc motors from 240Vac mains are wonderfully robust, but have the drawback that they always present fast-rising voltage edges to the motor’s armature at a 100Hz ...