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Smart Process Plants: Software and Hardware Solutions for Accurate Data and Profitable Operations
CITATION
Bagajewicz, Miguel
.
Smart Process Plants: Software and Hardware Solutions for Accurate Data and Profitable Operations
.
US
: McGraw-Hill Professional, 2009.
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Smart Process Plants: Software and Hardware Solutions for Accurate Data and Profitable Operations
Authors:
Miguel Bagajewicz
Published:
November 2009
eISBN:
9780071604727 0071604723
|
ISBN:
9780071604710
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Book Description
Table of Contents
Contents
Preface
1 Smart Plants
Our Vision
Value of Information
Book Focus and Contents
References
2 Measurement Errors
Range and Span
Precision
Origin of Fluctuations
Systematic Error (Bias)
Outliers
Accuracy
Calibration Curves
Hysteresis and Dead Band
Guide to the Expression of Uncertainty in Measurement
References
3 Variable Classification
Linear Model
Observability
Redundancy
Hardware Redundancy
Quantification of Observability and Redundancy
Estimability
Degree of Observability of Variables
Degree of Redundancy of Variables
Degree of Estimability of Variables
Canonical Representation
The General Case
References
4 Material Balance Data Reconciliation
Determination of the Measurement Vector
Precision of the Estimates
Variance of Observable Quantities
Method to Avoid the Classification Step
References
5 Gross Error Detection
Gross Error Handling
Smearing
Tests for Gross Errors
Hypothesis Testing
Type I and Type II Errors and the Power of a Test
Global Test
Nodal Test
Maximum Power Nodal Test
Measurement Test
Maximum Power Measurement Test
Generalized Likelihood Ratio
Principal Component Test
Multiple Gross Errors and Gross Error Elimination
Serial Elimination Strategy Based on the Global Test
Serial Elimination Based on the Measurement Test
Failures of Tests
References
6 Equivalency of Gross Errors
Definition
Practical Consequences
Cardinality of Equivalent Sets
Basic Subset of an Equivalent Set
Determination of Equivalent Sets
Practical Consequence
Degeneracy
Quasi-Degeneracy
Quasi-Equivalency
Detection of Leaks
Practical Approach to Equivalency
References
7 Gross Error Size Elimination and Estimation
The Compensation Model
Serial Identification with Collective Compensation Strategy (SICC)
The Unbiased Estimation Model (UBET)
Conversion between Equivalent Sets
References
8 Nonlinear Data Reconciliation
Component Balances
Splitters
Number of Components
Measurement Pattern
Energy Balances
Heat Exchangers
Full Nonlinear Systems
Gross Error Detection in Nonlinear Systems
Parameter Estimation
References
9 Dynamic Data Reconciliation
Filtering
Recursive Filters
Linear Estimators
Discrete Kalman Filter
Quasi-Steady State Estimator
A Balance-Based Quasi-Steady State Estimator
Difference Estimators
Integral Approach
Nonlinear Case
Gross Error Detection
References
10 Accuracy of Estimators
Accuracy of Measurements
Induced Bias
Accuracy of Estimators
Maximum Undetected Induced Bias
Maximum Power Measurement Test-Based Software Accuracy
Graphical Representation of Undetected Biases
Effect of Equivalency of Errors
Stochastic Software Accuracy
Monte Carlo Sampling
Instantaneous Testing
Periodic Testing
References
11 Economic Value of Accuracy
Value of Precision
Value of Accuracy
Probabilities
Trade-Off between Value and Cost
References
12 Data Reconciliation Practical Issues
Data Preprocessing
Use of Filters
Steady-State Recognition and Variance
Variance Estimation
Steady-State Detection
Ratio Test
Tanks and Steady-State Data Reconciliation
Use of Dynamic Data in Steady-State Reconcilers
Random Error Distributions
Multiple Measurements of the Same Variable
Excessive Number of Gross Errors
References
13 Value of Control Strategies
Classic Control
Model Predictive Control
The Hierarchy of the Modern Control Architecture
State-Space Process Modeling
Disturbance Modeling
Expected Dynamic Operating Region Characterization
Constrained Minimum Variance Control
Connection between CMV Control and MPC
Control System Value
Impact of Process and Measurement Biases
Conclusions
References
14 Value of Parametric Fault Identification
Introduction
Fault Classification
Fault Detection and Diagnosis Techniques
Fault Observability
Single Fault Resolution
Multiple Fault Resolution
Value of Fault Detection
References
15 Value of Instrumentation Upgrade—Monitoring and Faults Perspectives
Cost-Optimal Instrumentation Design
Cost-Optimal Design
Cost-Optimal Design for Precision or Accuracy
Tree Search Procedure for the Cost-Optimal Formulation
Branching Criteria
Cost-Optimal Design for Parametric Faults
Integrated Cost-Optimal Design
Value-Optimal Instrumentation Design
References
16 Value of Instrumentation Upgrade—Control Perspective
References
17 Structural Faults and Value of Maintenance
Maintenance
Maintenance Policies
Reliability, Failure Rate, and Mean Time to Failure
Failure Density Distributions
Exponential Distribution
Weibull Distribution
Normal Distribution
Maintenance Models
Renewal Processes
Markov Processes
Discrete Time Markov Models
Monte Carlo Simulation
Maintenance Policy and Decision Variables
Interfering/Noninterfering Units
Input Data
Spare Parts Inventory
Labor Assignment
Imperfect Maintenance
Maintenance Rules
Monte Carlo Simulation Procedure
Advantages and Limitations
Renewal Process
Markov Process
Monte Carlo Simulation
References
18 Maintenance Optimization
Components of Maintenance Optimization
Renewal Process–Based Models
Markov-Based Model
Monte Carlo–Based Models Using Genetic Algorithms
References
19 Value and Optimization of Instrument Maintenance
Financial Loss Evaluation
References
Index