10 lines
819 B
Markdown
10 lines
819 B
Markdown
# History
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## Where did Robust Control come from?
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After the beginnings of modern control and the development of optimal control, John Doyle released a paper in 1978 titled [Guaranteed Margins for LQG regulators](doyleGuaranteedMarginsLQG1978a). This is a less than one page paper that basically gave birth to the robust control field, with a three word abstract: "There are none." I'm working out the kinks in this one ([[Basic Feedback Control]]), but essentially the gaussian part of the LQG is what destroys the guaranteed part of the phase and gain margins. The additional estimator involved can really screw with things.
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I should add some context: [[4 Qualifying Exam/3 Notes/Feedback Control Theory]].
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# What does Robust Control do?
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Robust control works with
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[[What is gain scheduling?]]
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# What are the limits?
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