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Table of Contents
Preface; Contents; 1 Introduction; 1.1 Introduction; 1.2 Background of Fault Detection and Pipelines' Diagnosis; 1.3 Monograph Description; References; 2 An Overview of Transient Fault Detection Techniques; 2.1 Introduction; 2.1.1 Flow Characteristics; 2.1.2 Governing Equations; 2.1.3 Detection Principle; 2.1.4 Major Considerations and Categorizations; 2.2 Current Transient Fault Detection Techniques; 2.2.1 Transient Reflection Method (TRM) ; 2.2.2 Transient Damping Method (TDM) ; 2.2.3 System Response Method (SRM); 2.2.4 Inverse Transient Method (ITM) ; 2.3 Critical Remarks
2.3.1 Evaluation of Techniques2.3.2 Obstacles in Application; 2.4 Promising Research Directions ; 2.5 Conclusions; References; 3 Numerical Issues and Approximated Models for the Diagnosis of Transmission Pipelines; 3.1 Introduction; 3.1.1 Matrices' Notations; 3.2 Base Model of the Flow Process; 3.3 Assessment of the Model's Singularity; 3.4 Aggregated Model; 3.5 Selection of the Discretization Grid; 3.6 Analytic Inversion of the Recombination Matrix; 3.6.1 Tridiagonal Matrix Inversion Method; 3.6.2 Diagonal Approximation Model; 3.7 Analysis of the Models; 3.8 Conclusions; References
4 One-Dimensional Modeling of Pipeline Transients4.1 Introduction; 4.2 Water Hammer Equations ; 4.3 Friction Modeling; 4.4 Finite-Difference Discretization; 4.5 Fault Models; 4.5.1 Leak Modeling; 4.5.2 Obstruction Modeling; 4.6 Boundary Conditions; 4.7 Application Examples; 4.7.1 Example 1: Modeling with Two Pressure Boundary Conditions; 4.7.2 Example 2: Modeling with Flow-Pressure Boundary Conditions; 4.7.3 Example 3: Modeling with Flow-Pressure Boundary Conditions and Pump-Restriction Models; 4.8 Conclusion; References; 5 Observer Tools for Pipeline Monitoring; 5.1 Introduction
5.2 Principle for Observer-Based Pipeline Monitoring5.2.1 Model-Based Approach; 5.2.2 Model Discretization; 5.2.3 Observer Formulation; 5.3 Examples of Observer Tools for Pipeline Monitoring; 5.3.1 Linear Approaches; 5.3.2 Nonlinear Approaches; 5.4 Conclusions; References; 6 Auxiliary Signal Design and Liénard-type Models for Identifying Pipeline Parameters; 6.1 Introduction; 6.2 Recalls on Observability; 6.3 Input Optimization Algorithm; 6.4 Recalls on Liénard Equation; 6.5 Liénard-type Models for a Pipelines; 6.5.1 Hydraulic Equations; 6.5.2 Liénard Representation
6.5.3 Extension of the Input Optimization Algorithm to Liénard-type Models for Pipelines6.6 Tests: Parameter Identification in a Pipeline; 6.6.1 Simulation Test: Estimation of the Friction Coefficient and the Wave Speed; 6.6.2 Experimental Test: Estimation of the Friction Coefficient and The Equivalent Length; 6.7 Conclusions; References; 7 Recursive Scheme for Sequential Leaks' Identification; 7.1 Introduction; 7.2 Fluid Model; 7.2.1 Friction Sensitivity in a Branched Pipeline; 7.3 Input
Output Equivalent Models with Variant Friction; 7.4 Recursive Algorithm for Sequential Leaks' Location
2.3.1 Evaluation of Techniques2.3.2 Obstacles in Application; 2.4 Promising Research Directions ; 2.5 Conclusions; References; 3 Numerical Issues and Approximated Models for the Diagnosis of Transmission Pipelines; 3.1 Introduction; 3.1.1 Matrices' Notations; 3.2 Base Model of the Flow Process; 3.3 Assessment of the Model's Singularity; 3.4 Aggregated Model; 3.5 Selection of the Discretization Grid; 3.6 Analytic Inversion of the Recombination Matrix; 3.6.1 Tridiagonal Matrix Inversion Method; 3.6.2 Diagonal Approximation Model; 3.7 Analysis of the Models; 3.8 Conclusions; References
4 One-Dimensional Modeling of Pipeline Transients4.1 Introduction; 4.2 Water Hammer Equations ; 4.3 Friction Modeling; 4.4 Finite-Difference Discretization; 4.5 Fault Models; 4.5.1 Leak Modeling; 4.5.2 Obstruction Modeling; 4.6 Boundary Conditions; 4.7 Application Examples; 4.7.1 Example 1: Modeling with Two Pressure Boundary Conditions; 4.7.2 Example 2: Modeling with Flow-Pressure Boundary Conditions; 4.7.3 Example 3: Modeling with Flow-Pressure Boundary Conditions and Pump-Restriction Models; 4.8 Conclusion; References; 5 Observer Tools for Pipeline Monitoring; 5.1 Introduction
5.2 Principle for Observer-Based Pipeline Monitoring5.2.1 Model-Based Approach; 5.2.2 Model Discretization; 5.2.3 Observer Formulation; 5.3 Examples of Observer Tools for Pipeline Monitoring; 5.3.1 Linear Approaches; 5.3.2 Nonlinear Approaches; 5.4 Conclusions; References; 6 Auxiliary Signal Design and Liénard-type Models for Identifying Pipeline Parameters; 6.1 Introduction; 6.2 Recalls on Observability; 6.3 Input Optimization Algorithm; 6.4 Recalls on Liénard Equation; 6.5 Liénard-type Models for a Pipelines; 6.5.1 Hydraulic Equations; 6.5.2 Liénard Representation
6.5.3 Extension of the Input Optimization Algorithm to Liénard-type Models for Pipelines6.6 Tests: Parameter Identification in a Pipeline; 6.6.1 Simulation Test: Estimation of the Friction Coefficient and the Wave Speed; 6.6.2 Experimental Test: Estimation of the Friction Coefficient and The Equivalent Length; 6.7 Conclusions; References; 7 Recursive Scheme for Sequential Leaks' Identification; 7.1 Introduction; 7.2 Fluid Model; 7.2.1 Friction Sensitivity in a Branched Pipeline; 7.3 Input
Output Equivalent Models with Variant Friction; 7.4 Recursive Algorithm for Sequential Leaks' Location