Integral Wind-Up and Solution
Intermediate
Article / Blog
Application
What is integral wind-up and how velocity mode solves it.
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MATLAB Command: lqr
Intermediate
Article / Blog
Application
MATLAB command documentation for the Linear-Quadratic Regulator (lqr) function.
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What Is Online Estimation?
Beginner
Article / Blog
Theory
This Mathworks document describes online estimation. Online estimation algorithms estimate the parameters and states of a model when new data is available during the operation of the...
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MATLAB Discovery Page - Visual Inspection
Beginner
Article / Blog
Theory
Visual inspection is the image-based inspection of parts where a camera scans the part under test for both failures and quality defects. Automated inspection and defect detection are...
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Min IAE Tuning
15 min
Intermediate
Article / Blog
Application
Procedure and Commentary on tuning for minimum Integral of the Absolute Error
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Online Tuning using Simulink’s Closed-Loop PID Autotuner Block
30 min
Intermediate
Article / Blog
Application
Learn how to conduct an online tuning of a PI-speed controller using the MATLAB/Simulink Closed-Loop PID Autotuner Block. Tuned controller is validated on a Quanser QLabs Virtual QUBE-Servo...
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Process Control is Inventory Control
10 min
Beginner
Article / Blog
Application
You change the inventory of heat to change temperature. You change the inventory of material to change level. Understanding how the inventory relates to the controlled variable is...
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PID Explained
20 min
Beginner
Article / Blog
Theory
A qualitative explanation of P, I, & D actions using graphs.
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Lectures on Modelling and Control of Dynamic Systems (French)
Beginner
Article / Blog
Theory
Lectures on Modelling and Control of Dynamic Systems from Patrick Lanusse of Bordeaux INP, France.
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Mathworks Model Reference Adaptive Control Overview
Beginner
Article / Blog
Theory
This website provides an overview of the mathematics behind Model Reference Adaptive Control (MRAC). MRAC is a model-based, real-time adaptive control algorithm that computes control actions...
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MATLAB Command: goodnessOfFit
Intermediate
Article / Blog
Application
Goodness of fit between test and reference data for analysis and validation of identified models
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PID Controller Variations
20 min
Intermediate
Article / Blog
Application
It is important to understand the variations on the PID algorithm when tuning and when choosing a version that is consistent within your use context. Unfortunately, there are many names for...
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Bumpless Transfer and Tuning
15 min
Intermediate
Article / Blog
Application
Switching from MAN to AUTO mode or LOCAL to CASCADE or changing the controller integral time should not cause a change in the controller output, a bump. But a primitive coding of the PID...
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A Statistical Noise Filter
20 min
Intermediate
Article / Blog
Application
A noise filter that uses Statistical Process Control (SPC) techniques to temper tampering
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What are Polynomial Models?
Intermediate
Article / Blog
Theory
This Mathworks page provides an overview of polynomial models.
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Cohen-Coon Tuning
15 min
Intermediate
Article / Blog
Application
A procedure and commentary on this tuning approach that includes deadtime.
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Cascade Control 2
Intermediate
Article / Blog
Application
An Implementation Recipe for Cascade Control
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Post-Pandemic: A Hybrid Lab Experience
Beginner
Article / Blog
Application
This article discusses the importance of a hybrid laboratory model, blending physical hardware with digital twins. Example using the Quanser Interactive Lab (QLabs) platform is given.
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Tuning PID Controllers
20 min
Intermediate
Article / Blog
Application
Tuning controllers is the procedure for choosing the coefficient values for the P, I and D modes. It must be simple to execute, fast, and non-disruptive to the operating process. Heuristic...
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Control Valve Problems
20 min
Intermediate
Article / Blog
Application
Control valve problems can severely affect control loop performance and, unless eliminated, they can make controller tuning a challenging (sometimes impossible) task. Some problems are quite...
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Nyquist Stability Criterion
15 min
Beginner
Article / Blog
Theory
The Wikipedia article on Nyquist Stability Criterion. This covers the Nyquist plot, the Cauchy argument principle, and the stability criterion itself. A mathematical derivation is also...
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Override and Reset Feedback
15 min
Intermediate
Article / Blog
Application
Override (Select, Safety, Switch) control observes an auxiliary variable and takes over from the primary controller when a limit is exceeded. Reset feedback is a method to prevent the non...
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A Visual Introduction to Machine Learning
Beginner
Article / Blog
Theory
Machine Learning Explained in interactive visualizations (part 1).
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Feedforward Control
15 min
Intermediate
Article / Blog
Application
When and how to use feedforward control
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Overview of Dempster-Shafer Theory (Evidence Theory)
Beginner
Article / Blog
Theory
This is an overview of Dempster-Shafer Theory (Evidence Theory) that provides an introduction, definition, basic information about combination rules, some issues with the theory, and the...
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