PWM-inverter drive control operating with a standard personal computer

Today, often special and complex computing systems are common in laboratories for investigations of inverter drive control. But it is also possible to control drives using a simple personal computer (PC). With such systems, even PWM control methods can be realized. A system for an induction motor which complies with these demands is described. Realizations about the feasibilities, e.g. the maximum pulse frequency, and first practical results are presented.