An Introduction from Fault Detection to Fault Tolerance
2006, XVIII, 475 p.
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Supervision, health-monitoring, fault detection, fault diagnosis and fault management play an increasing role for technical processes and vehicles, in order to improve reliability, availability, maintenance and life-time. For safety-related processes fault-tolerant systems with redundancy are required in order to reach comprehensive system integrity.
This book gives an introduction into the field of fault detection, fault diagnosis and fault-tolerant systems with methods which have proven their performance in practical applications. It guides the reader in a structured tutorial style:
supervision methods, reliability, safety, system integrity and related terminology;
fault detection with signal-based methods for periodic and stochastic signals;
fault detection with process model-based methods like parameter estimation, state estimation, parity equations and principal component analysis;
fault diagnosis with classification and inference methods;
fault-tolerant systems with hardware and analytical redundancy;
many practical simulation examples and experimental results for processes like electrical motors, pumps, actuators, sensors and automotive components;
end-of-chapter exercises for self testing or for practice.
The book is dedicated to graduate students of electrical, mechanical, chemical engineering and computer science and for practising engineers.
Fundamentals.- Supervision and fault management of processes — tasks and terminology.- Reliability, Availability and Maintainability (RAM).- Safety, Dependability and System Integrity.- Fault-Detection Methods.- Process Models and Fault Modelling.- Signal models.- Fault detection with limit checking.- Fault detection with signal models.- Fault detection with process-identification methods.- Fault detection with parity equations.- Fault detection with state observers and state estimation.- Fault detection of control loops.- Fault detection with Principal Component Analysis (PCA).- Comparison and combination of fault-detection methods.- Fault-Diagnosis Methods.- Diagnosis procedures and problems.- Fault diagnosis with classification methods.- Fault diagnosis with inference methods.- Fault-Tolerant Systems.- Fault-tolerant design.- Fault-tolerant components and control.- Application Examples.- Fault detection and diagnosis of DC motor drives.- Fault detection and diagnosis of a centrifugal pump-pipe-system.- Fault detection and diagnosis of an automotive suspension and the tire pressures.