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Control of Dual-User Haptic Training System With Online Authority Adjustment: An Observer-Based Adaptive Robust Scheme Publisher



Motaharifar M1, 2 ; Taghirad HD1 ; Hashtrudizaad K2 ; Mohammadi SF3
Authors

Source: IEEE Transactions on Control Systems Technology Published:2020


Abstract

The design problem for the control a dual-user haptic surgical training system is studied in this article. The system allows the trainee to perform the task on a virtual environment, while the trainer is able to interfere in the operation and correct probable mistakes made by the trainee. The proposed methodology allows the trainer to transfer the task authority to or from the trainee in real time. The robust adaptive nature of the controller ensures position tracking. The stability of the closed-loop system is analyzed using the input-to-output stability approach and the small-gain theorem. Simulation and experimental results are presented to validate the effectiveness of the proposed control scheme. © 1993-2012 IEEE.
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