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Title: H-infinity mixed-synthesis by roryyorke · Pull Request #151 · python-control/python-control · GitHub

Open Graph Title: H-infinity mixed-synthesis by roryyorke · Pull Request #151 · python-control/python-control

X Title: H-infinity mixed-synthesis by roryyorke · Pull Request #151 · python-control/python-control

Description: This adds methods "augw" and "mixsyn", with interfaces similar to the Matlab and Octave functions of the same name. They are for so-called mixed-sensitivity design, in which the sensitivity, complementary sensitivity, and "input sensitivity" (K*S, or reference to input mapping) can be weighted and stacked for H-infinity synthesis. As part of this, I've fixed what I think is a bug, namely that empty StateSpace objects could not be created. Such empty objects are convenient in the augw implementation. I've added two examples for mixsyn, one SISO and one MIMO. augw is the major part of the new code. It may be that there is some better way to implement it, but I have tried to write it in a way that no uncontrollable or unobservable modes are introduced, and so that is still (somewhat) clear.

Open Graph Description: This adds methods "augw" and "mixsyn", with interfaces similar to the Matlab and Octave functions of the same name. They are for so-called mixed-sensitivity design, in which th...

X Description: This adds methods "augw" and "mixsyn", with interfaces similar to the Matlab and Octave functions of the same name. They are for so-called mixed-sensitivity des...

Opengraph URL: https://github.com/python-control/python-control/pull/151

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77d0ccd BUG: allow empty (no input or output) StateSpace objects roryyorke Dec 30, 2016 https://github.com/python-control/python-control/pull/151/commits/77d0ccdeb18caedf7c3c24e67cd2a89316868df0
78f0c7f Augmented plant and mixed-sythensis H-infinity design roryyorke Jun 23, 2017 https://github.com/python-control/python-control/pull/151/commits/78f0c7f7f298b56857b498ab28f917b44251129d
7b883ef SISO and MIMO mixed-sensitivity synthesis examples roryyorke Jul 1, 2017 https://github.com/python-control/python-control/pull/151/commits/7b883eff367663861bcaed54b95458c14c9d07c6
e24c7de Fixups following review roryyorke Jan 5, 2018 https://github.com/python-control/python-control/pull/151/commits/e24c7de526411ce8a07be77b3d297a8580970095
7d70fb4 DOC: add mixsyn and augw to documentation murrayrm Jan 6, 2018 https://github.com/python-control/python-control/pull/151/commits/7d70fb40eb9d181f58d22770028c6737b1a8814c
36e0b0f DOC: updated mixsyn docstring to use standard 'see also' format murrayrm Jan 6, 2018 https://github.com/python-control/python-control/pull/151/commits/36e0b0f76f3de6e0a704e59babc2f574645c55eb
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