Stepping and Switched-reluctance Motors

The following areas of stepping and switched reluctance motors are covered: stepping motors – open-loop position control; step and direction pulses and step response; high-speed running – ramping; principle of operation – variable-reluctance motor, hybrid motor; motor characteristics – static torque–displacement curves, step position error, holding torque; single- and half-stepping – step division, mini-stepping; steady-state behavior with constant-current drive; drive circuits and their torque–speed characteristics – chopper drives; resonances and high-frequency instability; optimum acceleration – closed-loop control; and switched-reluctance motor drives – principle of operation, torque prediction and control, power converter and drive characteristics.