Digital ramp function generator and motor drive system including the same

摘要

A digital ramp function generator controls the speed of a motor drive system by initial contouring according to an arithmetic progression up to the intended ramp rate, and by final contouring according to the same arithmetic progression in reverse, thereby to reach the intended speed (by acceleration, or by deceleration). The digital ramp function generator is established at the intended ramp rate and contouring effects by a programmable controller programmed by the operator.