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Copyright, Notices, and Trademarks
Table of Contents
About This Publication
References
For Technical Assistance
Section 1 - APC Identifier / Profit Design Studio (APCDE) Overview
1.1 APC Identifier Overview
1.2 Profit Design Studio Overview
Section 2 - Installing Profit Design Studio (APCDE) and the APC Identifier
2.1 Overview
2.2 System and Software Requirements
2.3 Quick Reference to Installation
2.4 Installing the Profit Design Studio and the APC Identifier
Section 3 - APC Identifier Concepts
3.1 Conceptual Overview of the APC Identifier
3.2 Theory Overview by Topic
3.3 General Problem Statement
3.4 Model Structures
3.5 Solutions
3.6 Model Properties
3.7 FIR Statistics
3.8 Factorizations
3.9 Summary
Section 4 - Getting Started - The Identification Environment
4.1 Overview
4.2 Starting an Identification Session
4.3 Creating a Profit Controller (RMPCT) Model File
4.4 Creating a Robust PID Model File
4.5 Reading in Data
4.6 Reading Model Files Created by Other Applications
4.7 Hierarchical Overview
Section 5 - Multiple Views and the Presentation of Data
5.1 Overview
5.2 Basic Views
5.3 Viewing, Selecting and Marking Data
Section 6 - Edit, Merge and Reconfigure Functions
6.1 Overview
6.2 Edit Functions
6.3 Combining Files and Rearranging Variables/ Data/Models
Section 7 - Data Operations
7.1 Overview
7.2 Block Manipulations
7.3 Vector Calculations
7.4 Export Data Vectors
Section 8 - Overall Identification Functions
8.1 Overview
8.2 Overall Model Setup
8.3 FIR Setup
8.4 Overall Model Setup Options
8.5 Running Load & Go
Section 9 - Creating Finite Impulse Response or Prediction Error Models
9.1 Overview
9.2 Procedure
9.3 Statistics
Section 10 - Creating Parametric Models
10.1 Overview
10.2 Procedure
Section 11 - Selecting Final Models
11.1 Overview
11.2 Procedure
11.3 Final and Model Summary Views
Section 12 - Annotation
12.1 Overview
12.2 Annotation Access and Update
Section 13 - Tutorial
13.1 Overview
13.2 Rich Input Signals
13.3 Typical Input Signals
13.4 Limited Input Signals
13.5 Creating PEM models
Appendix A - Sample of a FIR Model File
Appendix B - Example of an XFR File
AP09-200 Advanced Process Control APC Identifier User’s Guide an Integrated Part of Profit Design Studio (APCDE) TP-SWIDNT Revision 1.6 8/02
While this information is presented in good faith and believed to be accurate, Honeywell disclaims the implied warranties of merchantability and fitness for a particular purpose and makes no express warranties except as may be stated in its written agreement with and for its customer. In no event is Honeywell liable to anyone for any indirect, special or consequential damages. The information and specifications in this document are subject to change without notice. Profit, TDC 3000, and TotalPlant are registered trademarks of Honeywell International Inc. Other product names are trademarks of their respective owners. ii Copyright, Notices, and Trademarks Copyright 2001 by Honeywell International Inc. Honeywell Industry Solutions 16404 N. Black Canyon Hwy Phoenix, AZ 85053 APC Identifier User’s Guide Honeywell 8/02
Table of Contents COPYRIGHT, NOTICES, AND TRADEMARKS....................................................................... II TABLE OF CONTENTS........................................................................................................... III ABOUT THIS PUBLICATION ..................................................................................................XI Statement of Work ............................................................................................... xi Who Should Use This Book................................................................................. xi Profit Course Information..................................................................................... xi Writing Conventions Used in This Book ..............................................................xii REFERENCES .......................................................................................................................XIII FOR TECHNICAL ASSISTANCE......................................................................................... XIV If You Need Assistance ......................................................................................xiv International Customers......................................................................................xiv Customers Inside the United States ...................................................................xiv Arizona Customers .............................................................................................xiv Services Provided...............................................................................................xiv Time Saving Tip..................................................................................................xiv SECTION 1 - APC IDENTIFIER / PROFIT DESIGN STUDIO (APCDE) OVERVIEW ............. 1 1.1 APC Identifier Overview ......................................................................................... 1 APC Identifier........................................................................................................ 1 Variables............................................................................................................... 1 Models .................................................................................................................. 2 Problem Size......................................................................................................... 2 Collecting Data...................................................................................................... 2 Saving Data .......................................................................................................... 3 1.2 Profit Design Studio Overview............................................................................... 4 Profit Design Studio .............................................................................................. 4 APC Identifier........................................................................................................ 5 Profit Controller (RMPCT)..................................................................................... 5 Profit Optimizer (DQP).......................................................................................... 5 Profit PID (RPID)................................................................................................... 5 Profit Loop............................................................................................................. 5 Step Test Builder .................................................................................................. 5 Point Builder.......................................................................................................... 6 Data Converter...................................................................................................... 6 Model Converter ................................................................................................... 6 Data Operation Tools............................................................................................ 6 Profit Toolkit.......................................................................................................... 6 Profit SensorPro.................................................................................................... 6 SECTION 2 - INSTALLING PROFIT DESIGN STUDIO (APCDE) AND THE APC IDENTIFIER............................................................................................................................... 7 2.1 Overview .................................................................................................................. 7 iii APC Identifier User’s Guide 8/02 Honeywell
Table of Contents In This Section.......................................................................................................7 Distribution CDs ....................................................................................................7 2.2 System and Software Requirements .....................................................................8 Software Requirements.........................................................................................8 Do I have to Install the Identifier Separately? .......................................................8 PC Requirements..................................................................................................8 2.3 Quick Reference to Installation..............................................................................9 How to Use the Quick Reference..........................................................................9 Quick Reference Table..........................................................................................9 2.4 Installing the Profit Design Studio and the APC Identifier................................10 PC Installation .....................................................................................................10 Microsoft System Files ........................................................................................10 Microsoft Internet Explorer ..................................................................................10 Profit Design Studio.............................................................................................10 Installing the Dongle Driver .................................................................................11 Installing the USB Dongle Server........................................................................11 Check the Log File ..............................................................................................12 Check Registry for Options .................................................................................13 Options in Registry..............................................................................................14 Caution ................................................................................................................16 Starting the PC Application .................................................................................16 SECTION 3 - APC IDENTIFIER CONCEPTS .........................................................................17 3.1 Conceptual Overview of the APC Identifier ........................................................17 Identification—A Science and an Art...................................................................17 The Identification Process...................................................................................17 Identification Environment...................................................................................18 Identification Approach........................................................................................18 Fitting FIR Models ...............................................................................................19 Fitting PEM Models .............................................................................................19 Fitting Parametric Models....................................................................................20 Fitting Final System Models ................................................................................20 3.2 Theory Overview by Topic....................................................................................21 Key Topics...........................................................................................................21 3.3 General Problem Statement .................................................................................22 Identification Structure.........................................................................................22 Quadratic Norm Formulation...............................................................................23 Robust Norm Formulation ...................................................................................23 3.4 Model Structures ...................................................................................................25 Overview..............................................................................................................25 FIR Models ..........................................................................................................25 FIR Structure .......................................................................................................25 PEM Models ........................................................................................................27 PEM Structure .....................................................................................................28 Model for Order and Variance Reduction............................................................29 ARX Parametric Models (Discrete Time) ............................................................29 Output Error Models (Discrete Time) ..................................................................30 iv APC Identifier User’s Guide Honeywell 8/02
Table of Contents Laplace Domain Parametric Models................................................................... 31 Final Model Form................................................................................................ 31 3.5 Solutions................................................................................................................32 Overview............................................................................................................. 32 Linear Solutions FIR Models............................................................................... 32 Linear Solutions PFX Models (Pre-Filtered ARX)............................................... 34 Nonlinear Solutions............................................................................................. 35 Solution Procedure ............................................................................................. 35 PEM Formulation ................................................................................................ 37 OE Formulation................................................................................................... 38 Laplace Formulations ......................................................................................... 39 Starting Conditions ............................................................................................. 39 Delay Estimation................................................................................................. 39 3.6 Model Properties ...................................................................................................42 Overview............................................................................................................. 42 FIR Bias .............................................................................................................. 42 FIR Consistency.................................................................................................. 43 PEM .................................................................................................................... 43 Summary............................................................................................................. 44 3.7 FIR Statistics..........................................................................................................47 Statistical Properties ........................................................................................... 47 Confidence limits and Noise bounds .................................................................. 48 3.8 Factorizations........................................................................................................51 Background......................................................................................................... 51 Normal vs. Orthonormal...................................................................................... 51 Sensitivity and Accuracy..................................................................................... 52 An Ill-conditioned example.................................................................................. 54 QR Solution......................................................................................................... 55 Cholesky Solution ............................................................................................... 56 SVD Solution....................................................................................................... 58 Sensitivity of Ill-conditioned Problem.................................................................. 59 Pseudorank......................................................................................................... 60 A Rank Deficient Example.................................................................................. 62 Zero Value Solution ............................................................................................ 64 Minimum Norm Minimum length QR Solution .................................................... 65 MATLAB Solutions.............................................................................................. 66 Perturbed Solution and Pseudorank................................................................... 67 Timing ................................................................................................................. 68 3.9 Summary................................................................................................................71 Future Perspective.............................................................................................. 72 SECTION 4 - GETTING STARTED - THE IDENTIFICATION ENVIRONMENT ....................73 4.1 Overview ................................................................................................................73 In This Section .................................................................................................... 73 Profit Design Studio (APCDE) ............................................................................ 73 4.2 Starting an Identification Session .......................................................................74 4.3 Creating a Profit Controller (RMPCT) Model File...............................................76 8/02 APC Identifier User’s Guide Honeywell v
Table of Contents Creating an RMPCT Model File ..........................................................................76 Data Source - Manually Entered ........................................................................78 Entering or Changing Variable Information.........................................................78 4.4 Creating a Robust PID Model File........................................................................81 Creating an RPID Model File ..............................................................................81 Data Source - Data Files.....................................................................................82 Data Source - Manually Entered ........................................................................83 4.5 Reading in Data......................................................................................................84 Getting Test Data ................................................................................................84 Single Point Data Files........................................................................................84 Single Point Data—An Example File...................................................................84 Multiple Point Data File .......................................................................................85 Multiple Point Data—An Example File ................................................................86 Saving an .mdl or .pid File...................................................................................86 4.6 Reading Model Files Created by Other Applications.........................................87 What the Identifier Expects .................................................................................87 Non Native FIR Files ...........................................................................................87 Sample File .........................................................................................................87 Non Native XFR Files..........................................................................................88 Sample ................................................................................................................88 4.7 Hierarchical Overview ...........................................................................................89 Identifier Main Menu............................................................................................89 Keyboard Selection .............................................................................................95 Default Parameters in Registry ...........................................................................96 SECTION 5 - MULTIPLE VIEWS AND THE PRESENTATION OF DATA.......................... 101 5.1 Overview.............................................................................................................. 101 In This Section.................................................................................................. 101 5.2 Basic Views......................................................................................................... 102 Primary Functions ............................................................................................ 102 5.3 Viewing, Selecting and Marking Data............................................................... 107 Working with different Windows ....................................................................... 107 Plotting Raw Data............................................................................................. 108 Single-Graph Plots ........................................................................................... 108 Changing the Plot Size.................................................................................... 109 Viewing Single Graph Plots.............................................................................. 109 Reconfigure Single-Graph Plots....................................................................... 111 Plot Modes ....................................................................................................... 112 Selecting Time Ranges .................................................................................... 113 Selecting Ranges ............................................................................................. 114 Reading the Plots............................................................................................. 115 Marking Data Bad at the Global Level ............................................................. 115 Marking Data Bad at the Regression Level...................................................... 117 Marking Data Bad at the Prediction Level........................................................ 119 Scatter Matrix ................................................................................................... 120 Multi-Graph/Scatter Plots ................................................................................. 120 Multi-Graph Mode............................................................................................. 120 vi APC Identifier User’s Guide Honeywell 8/02
Table of Contents Scatter Plot Mode .............................................................................................121 SECTION 6 - EDIT, MERGE AND RECONFIGURE FUNCTIONS ......................................122 6.1 Overview ..............................................................................................................122 In This Section ..................................................................................................122 Data and File Manipulation...............................................................................123 6.2 Edit Functions .....................................................................................................124 Basic Edit Characteristics.................................................................................126 Special Edit Functions ......................................................................................130 Copy Trial Information ......................................................................................132 Edit Variable Attributes .....................................................................................134 Entering or Changing Information.....................................................................134 Document without raw data ..............................................................................136 Empty Document ..............................................................................................136 6.3 Combining Files and Rearranging Variables/ Data/Models............................137 Copying Models/Data From One File to Another Using Copy/Paste................137 Copying Models/Data From One File to Another Using Drag-Drop .................138 Rearranging Models and Variables Within a Given File Using Drag-Drop.......140 Copy Data From One File To Another Using Drag-Drop..................................141 Merging Data ....................................................................................................142 Merging Data Marks/Selection Ranges ............................................................144 SECTION 7 - DATA OPERATIONS......................................................................................146 7.1 Overview ..............................................................................................................146 In This Section ..................................................................................................146 Basic Functions.................................................................................................146 Supported Operations.......................................................................................146 7.2 Block Manipulations ...........................................................................................147 Invoking Block Manipulations ...........................................................................147 Options and Their Use......................................................................................148 7.3 Vector Calculations.............................................................................................150 Source and Destination Variables- Remembering Past events .......................150 Invoking Vector Calculations ............................................................................151 Vector Functions...............................................................................................153 Transformations................................................................................................155 Special Transformations...................................................................................157 Polynomial ........................................................................................................158 Piecewise Linear...............................................................................................170 Installed Valve Characteristics..........................................................................181 Transformations without Data...........................................................................183 Filter ..................................................................................................................185 Statistics............................................................................................................191 Edit Data ...........................................................................................................192 Combine Variables ...........................................................................................196 User Notes........................................................................................................197 Saving and Recovering Vector Calculations ....................................................198 Merging Vector Calculations.............................................................................204 Saving Transformation For Use with Profit Controller ......................................206 vii APC Identifier User’s Guide 8/02 Honeywell
Table of Contents 7.4 Export Data Vectors ........................................................................................... 208 Moving Data from one environment to another................................................ 208 Exporting Data.................................................................................................. 208 SECTION 8 - OVERALL IDENTIFICATION FUNCTIONS................................................... 211 8.1 Overview.............................................................................................................. 211 In This Section.................................................................................................. 211 Main Functions ................................................................................................. 211 Overall Options................................................................................................. 211 Load & Go ........................................................................................................ 212 8.2 Overall Model Setup ........................................................................................... 213 Setting Overall Options .................................................................................... 213 Data Rate / Trial Specification.......................................................................... 213 MIMO Discrete Model Specification ................................................................. 215 Initial Conditions and Model Forms.................................................................. 215 8.3 FIR Setup ............................................................................................................. 216 Configuring FIR Models.................................................................................... 216 # of Coefficients................................................................................................ 216 FIR Model Form ............................................................................................... 217 FIR Initial Conditions ........................................................................................ 217 PEM Setup General Guidelines ....................................................................... 218 Auto Setup........................................................................................................ 220 Detailed Setup.................................................................................................. 220 PEM Initial Conditions and Model Form........................................................... 222 8.4 Overall Model Setup Options ............................................................................ 223 Calculation Options .......................................................................................... 223 Data Options .................................................................................................... 225 FIR Only Options.............................................................................................. 225 Data Scaling ..................................................................................................... 225 Null Model Treatment....................................................................................... 226 Regression Selection Options.......................................................................... 226 PEM Only Options............................................................................................ 227 Factorization Options ....................................................................................... 228 Search Options................................................................................................. 228 8.5 Running Load & Go............................................................................................ 229 Load & Go ........................................................................................................ 229 Default Model Settings ..................................................................................... 229 SECTION 9 - CREATING FINITE IMPULSE RESPONSE OR PREDICTION ERROR MODELS................................................................................................................. 230 9.1 Overview.............................................................................................................. 230 In This Section.................................................................................................. 230 About the FIR Model ........................................................................................ 230 About the PEM Models..................................................................................... 231 9.2 Procedure ............................................................................................................ 232 Fitting the FIR/PEM Mode................................................................................ 232 Fit Fir/PEM Models Dialog Box and Associated View...................................... 232 Show & Select Vars.......................................................................................... 232 8/02 APC Identifier User’s Guide viii Honeywell
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