Aircraft Engine Controls:
Design, System Analysis, and Health Monitoring


Link C. Jaw, Scientific Monitoring, Inc.
Jack D. Mattingly, Mattingly Consulting

AIAA Education Series
2009, 384 pages, hardback
ISBN: 1-60086-705-7
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Because of its efficiency and reliability, the gas turbine engine is the predominant choice for aviation propulsion. For most aviation applications, however, a gas turbine engine must provide predictable thrust performance over the entire operating envelope of the engine, covering altitudes ranging from below sea level to tens of thousands of feet above. These altitude changes, along with differing flight speeds from takeoff to supersonic velocities, result in large variations in engine inlet temperature, inlet pressure, and exhaust pressure.

These large variations in engine operating conditions, coupled with the need for precise thrust control and highly reliable operation, create a significant challenge for the design of engine control systems, especially given the complexity of the engine itself. Controlling such complex machinery requires a thorough understanding of the performance of the engine system as a whole.

This book covers the design of engine control and monitoring systems for both turbofan and turboshaft engines. It focuses on four areas of interest: 1) modeling of engine dynamics; 2) application of specific control design methods to gas turbine engines; 3) advanced control concepts; and 4) engine condition monitoring.

While the material in this book is applicable to all air, land, and sea-based gas turbines, the majority of the book is concerned with aviation gas turbines. The emphasis is on aviation gas turbine controls because it is believed that most of the issues in the control design of other gas turbine control systems will be included in the substantial challenges inherent in aviation gas turbine control designs. The book is intended to provide a one-stop resource for understanding the design of modern turbine engine control and monitoring systems. Because gas turbine engine control and monitoring systems have successfully employed applications of nonlinear control and system health management, this book can also be used as a reference for the engineers and researchers who are designing control and monitoring systems for other industrial equipment and systems.

The book is based on a course on gas turbine engine controls developed and taught by Dr. Jaw and Dr. Mattingly to Air Force, Navy, and Army engineers. In addition to six chapters on engine control analysis and design, chapters are included on integration with aircraft systems, advanced engine control concepts, and engine monitoring and health management.

Table of Contents:
* Foreword
* Preface
* Acknowledgment
* Nomenclature
* Introduction
* Modeling and Simulation
* Modeling Reduction and Analysis
* Design of Set-point Controllers
* Design of Transient Controllers
* Control System Integration
* Advanced Control Concepts
* Fundamentals of Monitoring and Health Management
* Integrated Control and Monitoring
* Appendix A. Fundamentals of Automatic Control Systems
* Appendix B. Fundamentals of Engine Performance and Operability

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