PDE-Based Modeling and Non-collocated Feedback Control of Electrosurgical-Probe/Tissue Interaction.
PDE-Based Modeling and Non-collocated Feedback Control of Electrosurgical-Probe/Tissue Interaction.
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DOI:
10.23919/acc50511.2021.9483240
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发表时间:
2021-05
期刊:
影响因子:
--
通讯作者:
Bentsman J
中科院分区:
文献类型:
--
作者:
El-Kebir H;Bentsman J
The first control-oriented model of the interaction of an electrosurgical probe with organic tissue, based on a 1-D PDE with a moving boundary, is introduced. To attain the desired electrosurgically-induced tissue changes using this model, a non-collocated output feedback moving boundary control law is proposed. The latter is realized through a novel non-collocated pointwise temperature-based state observer for the two-phase Stefan problem. Simulation demonstrates that the controller proposed meets the performance objective. The controller implementation is also discussed.
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