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This study presents a universal lighting driver for unknown connected light emitting diode (LED) arrays by using a single-ended primary inductor converter (SEPIC) DC/DC converter and a T–S fuzzy model-based current controller. Driving and lighting an LED array with unknown series and parallel connection is a significant research for universal adaptable applications. To this end, the input voltage...
This paper presents a novel terminal sliding mode control for DC-DC buck converters. Since buck converters have high nonlinearity and uncertainty, a terminal sliding mode controller (TSMC) is proposed to achieve robust output voltage tracking. Different from traditional sliding mode control, a terminal sliding surface is introduced to assure finite convergent time of control errors on the surface...
A tour guide robot with image system is implemented in this paper. The principal aim is the application of a shape recognition method so that the robot can move autonomously. In addition, to abandon the conventional rail-type tracking control, we propose a fixed path planning to let the robot move autonomously along the desired path. The validity of the proposed shape recognition method is verified...
This paper is concerned with the control of a novel wheeled mobile robot using a FPGA-based proportional-plus-integral-plus-derivative theory and the wireless image tracking technique. The structure of the manipulator contains a wheeled mobile robot, a multi-link robot, several motors, interface circuits, infrared sensors, and drivers. All these components cooperated to make the transport of the refreshments...
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