Dead Zone Inverse Compensation

Question

Dongmiao Zheng 2019-10-2

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https://ww2.mathworks.cn/matlabcentral/answers/483187-dead-zone-inverse-compensation

回答： Kajal Bansala 2021-3-10

In order to compensate a dead zone in an actuator, dead zone inverse method can be used. May I know how do you implement the dead zone inverse model in Simulink?

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Answer 1

Kajal Bansala 2021-3-10

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https://ww2.mathworks.cn/matlabcentral/answers/483187-dead-zone-inverse-compensation#answer_644312

Hello Dongmiao,

There is no block that can perform the inverse dead-zone functionality as of now. However, 'finverse' function can be used to block to acheive this functionality.

https://www.mathworks.com/help/releases/R2019a/symbolic/finverse.html?

Also the inputs and the outputs considering dead-zone could be logged for a particular actuator. These inputs and outputs can then be used as table data and breakpoints respectively in a 1-D lookup table to achieve the inverse mapping needed for dead-zone compensation.