Skip fire transition control
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United States of America Patent
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Oct 3, 2017
Issued Date -
N/A
app pub date -
May 5, 2016
filing date -
Feb 17, 2016
priority date (Note) -
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Abstract
A variety of methods and arrangements are described for controlling transitions between firing fractions during skip fire operation of an engine in order to help reduce undesirable NVH consequences and otherwise smooth the transitions. In general, both feed forward and feedback control are utilized in the determination of the firing fractions during transitions such that the resulting changes in the firing fraction better track cylinder air charge changing dynamics associated with the transition.
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