Method for determining the break-away force of an actuator
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United States of America Patent
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Mar 31, 2015
Grant Date -
Feb 28, 2013
app pub date -
Aug 21, 2012
filing date -
Aug 22, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method for determining a break-away force in an actuator is provided, the actuator comprising an actuator armature including a positioning element movable in relation to the actuator housing. The positioning element is movable by means of an actuator drive such that a driving force is applied through the actuator drive to the positioning element. The actuator is in a resting state in the beginning, the driving energy required for moving the actuator drive is successively increased, wherein the driving energy is converted into a driving force by driving means, and a measurement value at the actuator drive is measured by at least one sensor, wherein as soon as a change of the measurement value is detected, a state is verified in which a holding force counteracts the movement of the position element.
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