Robust quantitative speed control of a switched reluctance motor drive

The robust quantitative speed control for a switched reluctance motor (SRM) drive is studied. The drive circuit with proper current control for the SR M motor is implemented. Since it is difficult to obtain an accurate dynamic model of the SRM drive via physical derivation, it is estimated through me asurements at nominal case. A simple two-degree-of-freedom (2DOF) speed con troller, using an inverse model approach. and its quantitative design proce dure are presented. According to the estimated nominal dynamic model and th e prescribed speed tracking and regulation control specifications, the para meters of the proposed 2DOF speed controller can be systematically solved. A robust controller, handling the performance improvement of the perturbed motor drive and considering the effect of the system transport delay, is de veloped. The effects of parameter uncertainties and disturbances on the con trol performance can be reduced significantly. After confirming the effecti veness of the designed speed controller by simulation results, its performa nce is further demonstrated experimentally.