The chapter from "Advanced PID Control" by Karl J. Åström and Tore Hägglund, published by ISA – Instrumentation, Systems, and Automation Society, provides an overview of advanced PID control techniques. The authors, from the Department of Automatic Control at Lund Institute of Technology, emphasize the importance of sound professional judgment in applying the information presented. They disclaim any liability for the use of the information and advise readers to review relevant patents and follow manufacturer instructions. The book includes bibliographical references and an index, and is cataloged under the Library of Congress with the ISBN 1-55617-942-1.The chapter from "Advanced PID Control" by Karl J. Åström and Tore Hägglund, published by ISA – Instrumentation, Systems, and Automation Society, provides an overview of advanced PID control techniques. The authors, from the Department of Automatic Control at Lund Institute of Technology, emphasize the importance of sound professional judgment in applying the information presented. They disclaim any liability for the use of the information and advise readers to review relevant patents and follow manufacturer instructions. The book includes bibliographical references and an index, and is cataloged under the Library of Congress with the ISBN 1-55617-942-1.