Process Improvement Using Evolutionary Operation – Mini Paper Appearing in Spring 1987 Newsletter

Abstract: Small process improvements can lead to important dollar gains using evolutionary operation (EVOP). EVOP involves deliberately and methodically, perturbing the controlled variables of a process in a search for improved performance. This process is repeated in small increments until no further gains are attained; thus, coming closer to an optimum performance value. EVOP is only suitable for processes that meet certain conditions. One of the main advantages of EVOP is that it results in a better understanding of the (manufacturing) system. One of the main disadvantages is the reluctance by some managers to implement it because of the perceived risk of perturbing the system to conditions where it performs poorly.

Keywords: Control charts - Evolutionary Operation