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Fault-Diagnosis Applications

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Supervision, condition-monitoring, fault detection, fault diagnosis and fault management play an increasing role for technical pro... Lire la suite
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Description

Supervision, condition-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 lifetime. For safety-related processes fault-tolerant systems with redundancy are required in order to reach comprehensive system integrity.

 

This book is a sequel of the book 'Fault-Diagnosis Systems' published in 2006, where the basic methods were described. After a short introduction into fault-detection and fault-diagnosis methods the book shows how these methods can be applied for a selection of 20 real technical components and processes as examples, such as:

 

Electrical drives (DC, AC)

Electrical actuators

Fluidic actuators (hydraulic, pneumatic)

Centrifugal and reciprocating pumps

Pipelines (leak detection)

Industrial robots

Machine tools (main and feed drive, drilling, milling, grinding)

Heat exchangers

 

Also realized fault-tolerant systems for electrical drives, actuators and sensors are presented.

 

The book describes why and how the various signal-model-based and process-model-based methods were applied and which experimental results could be achieved. In several cases a combination of different methods was most successful.

 

The book is dedicated to graduate students of electrical, mechanical, chemical engineering and computer science and for engineers.



Rolf Isermann Rolf Isermann studied Mechanical Engineering and obtained the Dr.-Ing. degree in 1965 from the University of Stuttgart. In 1968 he became 'Privatdozent' for Automatic Control and since 1972 Professor in Control Engineering at the University of Stuttgart. From 1977-2006 he was Professor for Control Systems and Process Automation at the Institute of Automatic Control of the Darmstadt University of Technology. Since 2006 he is Professor emeritus and is head of the Research Group of Control Systems and Process Automation. R. Isermann received the Dr. h.c. (honoris causa) from L'Université Libre de Bruxelles and from the Polytechnic University in Bucharest. In 1996 he was awarded the 'VDE-Ehrenring', and in 2007 the 'VDI-Ehrenmitglied'. The MIT Technology Review Magazine awarded him in 2003 to the Top Ten representatives of emerging Technologies for the field of Mechatronics. R. Isermann has published books on Modeling of Technical Processes, Process Identification, Digital Control Systems, Adaptive Control Systems, Mechatronic Systems, Fault Diagnosis Systems, Engine Control and Vehicle Drive Dynamics Control. Current research concentrates on the fields of identification and digital control of nonlinear systems, intelligent control and model-based methods of process fault diagnosis with applications to servo systems, fault-tolerant systems, combustion engines, automobiles and mechatronic systems. The research group on combustion engines works on multivariable engine modeling, HiL-simulation, combustion pressure control and fault diagnosis of both, CR-Diesel engines and FSI-gasoline engines. In the vehicle dynamics group present topics are parameter estimation for drive dynamics control, fault detection of sensors, suspensions, tires and brake systems and the development of collision avoidance systems with surrounding sensing and active braking and steering. The first books on system identification were published in German and date back to 1971, 1974, 1988, and 1992. Since 1975, R. Isermann held several chair positions of IFAC-Technical Committees (International Federation of Automatic Control). In 1996, he was elected as Vice-President of IFAC until 2002. From 2002 to 2008, he was member of the IFAC-Council. R. Isermann organized several national and international conferences like the 5th IFAC Symposium on Identification in Darmstadt in 1979, the 10th IFAC-World-Congress in Munich 1987, the 1st IFAC-Symposium SAFEPROCESS, Baden-Baden, 1991 and the 1st IFAC-Conference on Mechatronic Systems, Darmstadt, 2000. He also organized the biannual VDI/VDE-Conference AUTOREG (control of vehicles and power trains) from 2002 to 2008.

Auteur
Rolf Isermann Rolf Isermann studied Mechanical Engineering and obtained the Dr.-Ing. degree in 1965 from the University of Stuttgart. In 1968 he became "Privatdozent" for Automatic Control and since 1972 Professor in Control Engineering at the University of Stuttgart. From 1977-2006 he was Professor for Control Systems and Process Automation at the Institute of Automatic Control of the Darmstadt University of Technology. Since 2006 he is Professor emeritus and is head of the Research Group of Control Systems and Process Automation. R. Isermann received the Dr. h.c. (honoris causa) from L'Université Libre de Bruxelles and from the Polytechnic University in Bucharest. In 1996 he was awarded the VDE-Ehrenring, and in 2007 the VDI-Ehrenmitglied. The MIT Technology Review Magazine awarded him in 2003 to the Top Ten representatives of emerging Technologies for the field of Mechatronics. R. Isermann has published books on Modeling of Technical Processes, Process Identification, Digital Control Systems, Adaptive Control Systems, Mechatronic Systems, Fault Diagnosis Systems, Engine Control and Vehicle Drive Dynamics Control. Current research concentrates on the fields of identification and digital control of nonlinear systems, intelligent control and model-based methods of process fault diagnosis with applications to servo systems, fault-tolerant systems, combustion engines, automobiles and mechatronic systems. The research group on combustion engines works on multivariable engine modeling, HiL-simulation, combustion pressure control and fault diagnosis of both, CR-Diesel engines and FSI-gasoline engines. In the vehicle dynamics group present topics are parameter estimation for drive dynamics control, fault detection of sensors, suspensions, tires and brake systems and the development of collision avoidance systems with surrounding sensing and active braking and steering. The first books on system identification were published in German and date back to 1971, 1974, 1988, and 1992. Since 1975, R. Isermann held several chair positions of IFAC-Technical Committees (International Federation of Automatic Control). In 1996, he was elected as Vice-President of IFAC until 2002. From 2002 to 2008, he was member of the IFAC-Council. R. Isermann organized several national and international conferences like the 5th IFAC Symposium on Identification in Darmstadt in 1979, the 10th IFAC-World-Congress in Munich 1987, the 1st IFAC-Symposium SAFEPROCESS, Baden-Baden, 1991 and the 1st IFAC-Conference on Mechatronic Systems, Darmstadt, 2000. He also organized the biannual VDI/VDE-Conference AUTOREG (control of vehicles and power trains) from 2002 to 2008.

Contenu

1. Introduction

1.1 Process automation and supervision

1.2 Product life cycle and fault management (asset management)

1.3 Contents

I SUPERVISION, FAULT DETECTION AND DIAGNOSIS

2. Supervision, fault detection and fault diagnosis methods

2.1 Basic tasks of supervision

2.2 Terminology

2.2.1 Faults, failures, malfunctions

2.2.2 Reliability, availability, safety

2.2.3 Fault tolerance and redundancy

2.3 Knowledge based fault detection and diagnosis

2.4 Signal based fault detection methods

2.4.1 Limit checking

2.4.2 Trend checking

2.4.3 Change detection

2.4.4 Adaptive thresholds

2.4.5 Plausibility checks

2.4.6 Signal analysis methods

2.5 Processmodel based fault detection methods

2.5.1 Process models and fault modeling

2.5.2 Fault detection with parameter estimation

2.5.3 Fault detection with state observers and state estimation

2.5.4 Fault detection with parity equations

2.5.5 Direct reconstruction of not measurable variables

2.6 Fault diagnosis methods

2.6.1 Classification methods

2.6.2 Inference methods

2.7 Fault detection in closed loops

2.8 Data flow structure for supervision

II DRIVES AND ACTUATORS

3. Fault diagnosis of electrical drives

3.1 Direct current motor (DC)

3.1.1 Structure and models of the DC motor

3.1.2 Fault detection with parity equations

3.1.3 Fault detection with parameter estimation

3.1.4 Experimental results for fault detection

3.1.5 Experimental results for fault diagnosis with SELECT

3.1.6 Conclusions

3.2 Alternating current motor (AC)

3.2.1 Structure and models of induction motors

3.2.2 Signal based fault detection of power electronics

3.2.3 Model based fault detection of an AC motor

3.2.4 Concusions

4. Fault diagnosis of electrical actuators

4.1 Electromagnetic actuator

4.1.1 Position control

4.1.2 Fault detection with parameter estimation

4.2 Electromagnetic automotive throttle valve actuator

4.2.1 Structure and models of the actuator

4.2.2 Input test cycle for quality control

4.2.3 Fault detection with parameter estimation

4.2.4 Fault detection with parity equations

4.2.5 Fault diagnosis

4.2.6 Fault diagnosis equipment

4.2.7 Conclusions

4.3 Brushless DC motor actuator and aircraft cabin pressure valve

4.3.1 Structure and models

4.3.2 Fault detection with parameter estimation

4.3.3 Fault detection with parity equations

4.3.4 Conclusions

5. Fault diagnosis of fluidic actuators

5.1 Hydraulic servo axis

5.1.1 Hydraulic servo axis structure

5.1.2 Faults of hydraulic servo axes

5.1.3 Models of the spool valve and cylinder

5.1.4 Fault detection and diagnosis of the valve and cylinder

5.1.5 Fault diagnosis

5.1.6 Conclusions

5.2 Pneumatic actuators

5.2.1 Pneumatic flow valve structure and modeling

5.2.2 Fault detection and diagnosis with local linear models

5.2.3 Experimental results

5.2.4 Conclusions

III MACHINES AND PLANTS

6. Fault diagnosis of pumps

6.1 Centrifugal pumps

6.1.1 Status of pump supervision and fault detection

6.1.2 Models of a centrifugal pump and pipe system

6.1.3 Fault detection with parameter estimation

6.1.4 Fault detection with nonlinear parity equations and parameter estimation

6.1.5 Conclusions

6.2 Reciprocating pumps

6.2.1 Structure of a diaphragm pump

6.2.2 Models of a diaphragm pump

6.2.3 Fau...

Informations sur le produit

Titre: Fault-Diagnosis Applications
Sous-titre: Model-Based Condition Monitoring: Actuators, Drives, Machinery, Plants, Sensors, and Fault-tolerant Systems
Auteur:
Code EAN: 9783642127670
ISBN: 978-3-642-12767-0
Protection contre la copie numérique: filigrane numérique
Format: eBook (pdf)
Editeur: Springer
Genre: Technique
nombre de pages: 354
Parution: 06.04.2011
Année: 2011
Sous-titre: Englisch
Taille de fichier: 8.6 MB