Hello,
please i need help from expert with sliding mode control, actually I am confused a bit between 2 things.
i know that the supertwisting sliding mode control law contains two terms u = uequ + ucorr, the uequ is the one that depends on the system model, and the ucorr is correction control law that does not depend on the system and sometimes we can neglet the uequ term for more robustness. my question is if we neglet the uequ term the sliding mode control will be called model free sliding mode control ? or the model-free sliding mode control is something else ? because i read that the model free sliding mode control depends on the state measurements and on the previous control input (so it seams for me that it differs than just excluding the equivalent term in the supertwisting sliding mode..) and at the same time i read i many article defining the model free smc that it depends only on the state measurements and on control input and not on the system model and so that is why it is called a free model control.. so i am confused now what is the difference between them ?
thank you in advance
Dear Sarah Kassir
This article might be helpful, have a look:
Article Model-free high-order terminal sliding mode controller for L...
Kind Regards
Qamar Ul Islam
Dear Sarah Kassir,
I suggest you to see links and attached files on topic.
https://ieeexplore.ieee.org/document/8899570
https://core.ac.uk/download/pdf/212696493.pdf
https://ieeexplore.ieee.org/document/8820407
https://scholarworks.rit.edu/theses/9013/
Best regards
Dear SARAH KASSIR,
Please refer following,
Article Prescribed performance model-free adaptive sliding mode cont...
Article Chattering-free model free adaptive sliding mode control for...
Conference Paper Model-Free Sliding-Mode Controller for Soft Landing of Reluc...
Respected Sarah Kassir :
These links might be helpful, pls have a look:
1) https://www.sciencedirect.com/topics/engineering/sliding-mode-control
2) Recent Progress in Sliding Mode Control Theory and Applications (Hindawi special edition)
Best regards;
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