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DOUBLE PWM SIGNAL INPUT DEVICE AND THE METHOD THEREOF FOR PULSE WIDTH MODULATION OPTICAL SIGNAL OUTPUTTED IN THE DUALIZED MAGNETIC LEVITATION CONTROLLER
DOUBLE PWM SIGNAL INPUT DEVICE AND THE METHOD THEREOF FOR PULSE WIDTH MODULATION OPTICAL SIGNAL OUTPUTTED IN THE DUALIZED MAGNETIC LEVITATION CONTROLLER
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机译:双向磁悬浮控制器中输出的脉宽调制光学信号的双PWM信号输入装置及其方法
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摘要
PURPOSE: In circuit which the double PWM signal input device and method thereof are similar the PWM signal of the main part/pre-control device without the separate control circuit, the electronic circuit is saved by transferring to the IGBT driver.;CONSTITUTION: A PWM signal of the light signal form having the certain cycle of the magnetic levitation controller which the light signal reception part(110) is changed into the signal it electrical. The double signal input buffer part(120) outputs two PWM signals transformed to the electric signal through the light signal reception part to the unitized PWM signal. By using the unitized PWM signal as described above received through the IGBT driver the chopper part(130) runs IGBT.;COPYRIGHT KIPO 2010
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