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TJ-101-3 - Workshop on Loop Analysis with Matrikon TaiJi


Overview

This workshop will allow you to use Matrikon TaiJi's PID tuning and analysis tools in your plant.

Who should attend

Anyone with a basic knowledge of instrumentation who wants to use loop analysis and optimization software with PID controllers.

Schedule

From 8:30 am to 12:00 pm and from 1:00 pm to 4:30 pm, each day.

Content

Day 1 : Important concepts

Introduction:

  • Control loops
  • Noise, disturbances, load
  • Feedback, feedforward
  • Matrikon TaiJi: 5 steps to optimize loops
  • Control objectives
Process:
  • Simple model
  • Process types
  • Process flaws
  • Exercises
Controllers:
  • Proportional, integral, derivative, filter
  • Structures of industrial controllers
  • Exercises
Tuning:
  • Intuitive tuning
  • Performance criteria
  • Load change, setpoint change
  • Tuning: a compromise
  • Traditional tuning methods
  • Natural frequency
  • Important time delay
  • Limits of traditional tuning methods
  • Exercises
Day 2 : Tuning and analyzing a loop using Matrikon TaiJi

Matrikon TaiJi software:
  • Basics principles
  • Matrikon TaiJi: 5 steps to optimize loops
    • Configure
    • Diagnose
    • Test
    • Identify
    • Tune
  • Exercises
Data to tune a loop:
  • Data generated by TaiJi
  • Good data, from a controller ouput change (manual)
  • Good data, from a setpoint change (automatic)
  • Exercises
Tuning control loops using Matrikon TaiJi:
  • TaiJi analysis
  • Quality of frequency data
  • Filtering
  • Selecting tuning parameters, safety factor, Lambda value
  • Load rejection and setpoint tuning
  • Tuning comparison with Lambda and Ziegler/Nichols tuning
  • Simulation, response to load change, setpoint change, noise
  • Robustness plot
  • Performances: IAE, robustness, valve travel, etc.
  • Exercises
Analyzing a control loop using Matrikon TaiJi:
  • Loop analysis vs. loop tuning
  • Hysteresis check
  • Linearity
  • Basic reporting
  • Exercises
Day 3 : Matrikon TaiJi: step-by-step

Steps to tune a loop:
  • Matrikon TaiJi: 5 steps to optimize loops
  • Control objectives
  • Process knowledge, PID and wiring diagrams
  • Bump sizes, preliminaries
  • Configuring TaiJi
  • Automatic bump tests to check hysteresis, stiction, and linearity
  • Loop analysis, design, four rules of 3
  • Exercises
Analyzing the data from a test in automatic mode:
  • How to detect hysteresis, stiction, and high process gain
  • How to detect bad tuning parameters
  • Exercises
  • Tips and tricks
Analyzing control loops using Matrikon TaiJi tools:
  • Hysteresis, noise, and process gain check
  • Stiction test
  • Linearity
  • Exercises
Scan time:
  • Aliasing
  • Matrikon TaiJi and scan time to acquire data
  • Exercises: real cases, self-regulating and integrating processes
  • Analyzing the data
  • Editing the data
  • Tuning the loop to quickly remove disturbances
  • Robustness analysis
Reporting:
  • Matrikon TaiJi report
  • Adding items to report
Conclusions:
  • Tuning methods comparison
  • Time to tune loops
  • Robustness and performance
  • Practical rules, tips and tricks
  • Windows of acceptable tuning parameters
  • Process control and economics

Material

  • Fundamentals of process control, Michel Ruel, Levis, QC, 1995, 292 p.
  • Matrikon TaiJi software (latest revision)
  • Matrikon Control Performance Optimizer software (latest version)

 

Please note that each participant must have a laptop computer. If necessary, we can rent you one, at your cost.