Robust Practical Fixed-Time Control and Application to DC-DC Buck Converter

dc.contributor.authorWongvanich, Napasool
dc.contributor.authorCholahan, Varin
dc.contributor.authorTangsrirat, Worapong
dc.date.accessioned2026-08-06T10:44:05Z
dc.date.available2026-08-06T10:44:05Z
dc.date.issued2024-01-01
dc.description.abstractThis work presents an adaptive fixed-time speed controller of permanent magnet synchronous motors for a class of second-order nonlinear systems based on practical fixed-time stability, in which a sliding mode surface with a constant exponent coefficient is designed to avoid singularities and achieve a fast convergence rate. This method is easy to implement compared to other sophisticated fixed-time controllers. In addition, the upper bound of control inputs is selected to prevent saturation limitations. Following that, the Lyapunov function expresses the close-loop stability of a practical fixed-time controller. An adaptive disturbance rejection with smooth function is presented to attenuate the total disturbances, chattering, and steady-state error. The tracking error is integrated into a bounded residual region within a specified time. Finally, numerical simulations are given to verify the performance of both controller and disturbance rejection mechanisms.
dc.identifier.citation2024 21st International Conference on Electrical Engineering Electronics Computer Telecommunications and Information Technology Ecti Con 2024, 2024
dc.identifier.doi10.1109/ECTI-CON60892.2024.10594832
dc.identifier.other2-s2.0-85201153473
dc.identifier.urihttps://dspace.kmitl.ac.th/handle/123456789/15108
dc.source2024 21st International Conference on Electrical Engineering Electronics Computer Telecommunications and Information Technology Ecti Con 2024
dc.subjectadaptive disturbance rejection
dc.subjectnonlinear control
dc.subjectpermanent magnet synchronous motors
dc.subjectpractical fixed-time control
dc.subjectsliding mode control
dc.titleRobust Practical Fixed-Time Control and Application to DC-DC Buck Converter
dc.typeConference Paper

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