Method for ascertaining a biting point of a friction clutch device
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United States of America Patent
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Feb 7, 2017
Grant Date -
Jul 30, 2015
app pub date -
Jul 19, 2013
filing date -
Aug 6, 2012
priority date (Note) -
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Abstract
A method for ascertaining a biting point of a friction clutch device of a motor vehicle that is actuatable between a disengaged and an engaged position, the friction clutch device having a hydrostatic actuator device with at least one position sensor and at least one pressure force sensor, the friction clutch device being actuated in the disengagement and/or engagement direction, and data are obtained with the help of the at least one position sensor and the at least one pressure force sensor, while based on the obtained data a position force characteristic curve having a first section and a second section is obtained, the first section being approximated with the help of a linear equation and the second section being approximated with the help of a parabolic equation.
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