BOOSTER CONTROL DEVICE AND METHOD OF CONTROLLING VOLTAGE OF BOOSTER CONTROL DEVICE
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United States of America Patent
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Aug 26, 2016
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Aug 26, 2016
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Abstract
A booster control device includes an output voltage detection unit that detects output voltage of a booster which changes the output voltage according to a phase difference; a storage battery voltage detection unit that detects storage battery voltage; and a booster control unit that performs feedback control on the output voltage of the booster in order for a difference between an output voltage command value to the booster and detected output voltage to be equal to zero. Further, the booster control unit includes a gain control unit that corrects a control gain according to the storage battery voltage on the basis of storage battery voltage dependency of an input-output characteristic representing booster output with respect to a phase difference of the booster, in order for the booster output to have the control gain uniquely determined by the phase difference and outputs a control phase difference to the booster.
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