Prediction of Step Input Response on Pneumatic Proportional Derivative Controller. The Concept of Transfer Functions

Abstract

Computer programme language of MATLAB software was used to monitor, predict and simulated the characteristics of step input response on pneumatic proportional derivative controller with the concept of transfer functions. The prediction of step input response on pneumatic proportional derivative controller was examined using the concept of transfer function. A model equation was also developed to give account of the response of on pneumatic proportional derivative controller. The equation was developed to monitor the influence of restrictor on proportional derivative controller using the concept of transfer function. The effect of restrictor on the controller was monitored and predicted using the concept of Laplace transform and MATLAB 2007. Increase in the derivative pressure was observed with increase in response time.

Key word: Prediction, step input response, pneumatic, proportional derivative controller, transfer functions.