# Robust Control

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## Robust Control, Part 5: H Infinity and Mu Synthesis

14 min
Beginner
Video
Theory

This video walks through a controller design for an active suspension system. Actually, we design two controllers. For the first, we use H infinity synthesis to design a controller for a...

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## Robust Control, Part 2: Understanding Disk Margin

14 min
Beginner
Video
Theory

As we discussed in the last video, mathematical models aren’t a perfect representation of real systems. Therefore, we want to make sure that any system that is designed with those models is...

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## Robust Control, Part 1: What Is Robust Control?

13 min
Beginner
Video
Theory

This videos covers a high-level introduction to robust control. The goal is to get you up to speed with some of the terminology and to give you a better understanding of what robust control...

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## Control Bootcamp: Limitations on Robustness

9 min
Beginner
Video
Theory

This video describes some of the fundamental limitations of robustness, including time delays and right-half plane zeros.

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## Robust Control, Part 4: Working with Parameter Uncertainty

13 min
Beginner
Video
Theory

The previous two videos showed a few different ways to quantify how robust a system is to model and plant uncertainty by looking at how much input and output variation it can handle before...

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## Control Bootcamp: Introduction to Robust Control

8 min
Beginner
Video
Theory

This video motivates robust control with the famous 1978 paper by John Doyle, titled "Guaranteed Margins for LQG Regulators"... Abstract: There are none.

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## Robust Control, Part 3: Disk Margins for MIMO Systems

16 min
Beginner
Video
Theory

This video shows how margin can be used to assess the robustness of multi-input, multi-output systems. We’ll show how disk margin is a more complete way to represent margin for MIMO systems...

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## Passivity-Based Control to Guarantee Stability | Control Systems in Practice...

15 min
Beginner
Video
Theory

Learn about passivity-based control to guarantee closed-loop stability of feedback systems. Consider different ways to assess the stability of systems other than looking at gain and phase...

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