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pole zero mapping (matching) #17

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cnpcshangbo opened this issue Jun 17, 2018 · 3 comments

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cnpcshangbo commented Jun 17, 2018

cnpcshangbo changed the title ~~zero pole mapping~~ pole zero mapping

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cnpcshangbo commented Jun 17, 2018 •

edited

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'matched' — Zero-pole matching method
https://ww2.mathworks.cn/help/control/ref/c2d.html
https://en.wikipedia.org/wiki/Matched_Z-transform_method

cnpcshangbo changed the title ~~pole zero mapping~~ pole zero mapping (matching)

Owner Author

cnpcshangbo commented Jun 17, 2018

Try this with discrete IOPID controller.

Owner Author

cnpcshangbo commented Jun 17, 2018

When I try to used pole zero matched method instead of tustin, I got a z transfer function like this: cd =

149.7 z^2 - 297.9 z + 148.1

         z - 1

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