Shunsuke Ohashi

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Variable carrier frequency control of PWM inverter based on deadbeat control using SoC-FPGA based hardware controller was proposed. The inductor current was controlled using digital hysteresis method and the output current was controlled using deadbeat control with disturbance compensator. As the result, the control accuracy and the efficiency of the(More)
Estimated to exceed one billion, the number of those currently studying English as a foreign language is expected to continue growing. Various tools that draw on natural language processing have been developed to help students of English detect and correct writing errors. As one example, tools that correct spelling errors have achieved high accuracy and are(More)
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