Control device and control device of power conversion circuit
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United States of America Patent
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Mar 14, 2017
Grant Date -
Jun 11, 2015
app pub date -
Mar 29, 2013
filing date -
Mar 31, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
Provided are a control device and a control device for a power conversion circuit, said control device having a first control circuit that compensates for detection delays in an analog-to-digital conversion circuit of a second control circuit that compensates for response delays of the integral element and the derivative element of the first control circuit. A first control circuit (212), which has a first analog-to-digital converter at the input stage thereof, generates an amount of time, which is a first control amount, on the basis of sampling information for a controlled object, and applies an operation initiation signal to a second control circuit (222) when a period of time, lasting for the first control amount, has passed from a prescribed reference time. After the operation initiation signal has been input, the second control circuit (222), which has a second analog-to-digital converter at the input stage thereof, generates an amount of time, which is a second control amount, on the basis of sampling information for the controlled object, and outputs a switch-switching signal when a period of time, lasting for the second control amount, has passed from the time the operation initiation signal was input.
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