Machine Tool Control

INTRODUCTION  The purpose of a control system is to produce a desired output. This output is usually specified by a command input, and is often a function of time. For simple applications in well structured situations, to control, and the controller must have the capability of reacting to disturbance, changes in its environment, and new input commands. The keys element that allows a control system to do this is feedback, which is the process by which a system’s output is used to influence its behaviour. Feedback in the form of the room-temperature measurement is used to control the furnac…