Apparatus and method for controlling a linear compressor and a linear compressor and a refrigerator having the same
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United States of America Patent
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Jun 12, 2018
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N/A
app pub date -
Nov 23, 2015
filing date -
Nov 27, 2014
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Abstract
An apparatus and method for controlling a linear compressor and a linear compressor and a refrigerator having the same are provided. The apparatus may include a drive configured to drive the linear compressor based on a control signal, a detector configured to detect a motor current of the linear compressor, an asymmetric current generator configured to generate an asymmetric motor current by applying a current offset to the detected motor current, and a controller configured to generate the control signal based on the asymmetric motor current. The current offset may be changed based on a change in a position of a piston of the linear compressor.
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