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This research designs and fabricates a voice coil motor with shorted turn for positioning control experiment and uses laser displacement sensor to measure the displacement. Sliding-mode-based fuzzy control is developed to carry out positioning control of a moving component in the voice coil motor. According to experimental results, the motor with shorted turn in positioning requires less voltage input...
Voltage source converter (VSC) technology becomes more and more common in high-voltage direct current (HVDC) transmission systems. Compared to conventional VSC technology modular multilevel design offers advantages such as higher voltage levels, modular construction, longer maintenance intervals and improved reliability. A multilevel approach can also help to reduce harmonics due to sinusoidal output...
This paper describes design considerations for a short-stroke high-dynamic linear actuator to be used as valve actuator in automotive applications, including the determination of actuator topology and geometry parameters, the force and dynamic calculations using finite element method and the controller design. Special aspects concerning the practical realization are discussed. Furthermore, results...
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