tailieunhanh - The PID Control Algorithm

John A. Shaw is a process control engineer and president of Process Control Solutions. An engineering graduate of N. C. State University, he previously worked for Duke Power Company in Charlotte, N. C. and for Taylor Instrument Company (now part of ABB, Inc.) in, N. Y. Rochester He is the author of over 20 articles and papers and continues to live in Rochester. | The PID Control Algorithm How it works how to tune it and how to use it 2nd Edition John A. Shaw Process Control Solutions December 1 2003 Introduction ii John A. Shaw is a process control engineer and president of Process Control Solutions. An engineering graduate of N. C. State University he previously worked for Duke Power Company in Charlotte N. C. and for Taylor Instrument Company now part of ABB Inc. in N. Y. Rochester He is the author of over 20 articles and papers and continues to live in Rochester. Copyright 2003 John A. Shaw All rights reserved. This work may not be resold either electronically or on paper. Permission is given however for this work to be distributed on paper or in digital format to students in a class as long as this copyright notice is included. Introduction iii Table of Contents Chapter 1 The Control Role of the control Auto Chapter 2 The PID Key Action . 5 The PID Proportional Output vs. Proportional Proportional Eliminating offset with manual Adding automatic integral mode Reset .10 Calculation of repeat Complete PID response . 14 Response Chapter 3 Implementation Details of the PID Series and Parallel Integral and Gain on Process Rather Than Derivative on Process Rather Than Derivative Computer code to implement the PID Chapter 4 Advanced Features of the PID Reset External Set point T Chapter 5 Process Steady State Process Measurement of Process Loads and Chapter 6 Loop Tuning Criteria or How do we know when its tuned 34 Mathematical criteria minimization of .