METHOD FOR DETERMINING THE ABSOLUTE POSITION OF A LINEAR ACTUATOR
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United States of America Patent
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Nov 5, 2015
app pub date -
Nov 28, 2012
filing date -
Dec 23, 2011
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Abstract
A method for determining the absolute position of a linear actuator is described. In the process, the rotational angle position of the rotor of the corresponding electric motor of the linear actuator is determined by a first sensor. In addition, the rotary angle position of a transmitter wheel of a second sensor coupled to the rotor is determined by means of a special transmission ratio. The absolute position of the linear actuator is derived from the differential value of the determined rotary angle positions. The method can be implemented in a simple and inexpensive manner.
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