Chopper control apparatus
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United States of America Patent
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Apr 16, 1996
Grant Date -
N/A
app pub date -
Dec 14, 1993
filing date -
Dec 15, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A chopper control apparatus including a measurement device which measures the mean value of an output magnitude of the chopper, and a regulator which controls the supply of control square-waves for the chopper on the basis of measurement results supplied by the measurement device and a reference magnitude, so as to make the mean value equal to the reference magnitude. The measurement device includes a device which generates a sampling signal having pulses whose positions, relative to the control square-waves, are determined so that the pulses coincide with the output magnitude passing through its mean value. The measurement device further includes a sampling device which samples the output magnitude based on the sampling signal.
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