Control Systems and Methods for Reducing Vibration in Internal Combustion Engines
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United States of America Patent
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Issued Date -
Dec 15, 2016
app pub date -
Sep 17, 2014
filing date -
Sep 17, 2014
priority date (Note) -
Abandoned
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Abstract
Systems and methods are for controlling internal combustion engines having a plurality of piston-cylinders that cause rotation of a crankshaft. A crankshaft sensor is configured to sense rotational speed of the crankshaft. A controller is configured to calculate an acceleration for each piston-cylinder based upon the rotational speed of the crankshaft and then balance the accelerations of the respective piston-cylinders by modifying a combustion input to one or more of the piston-cylinders in order to reduce engine vibration.
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