Patent ID: 6564167
Filing Date: 2003-05-13
Classification: G01D

Abstract:
A method of determining a position in dependence on a measurement signal of a position sensor, the position sensor having a sensor element and a transmitter part displaceable between a first end position and a second end position, and the measurement signal having an extreme value between the first end position and the second end position, which comprises the following method steps:determining actual values of the measurement signal in a first end position and a second end position; determining the extreme value of the measurement signal between the first end position and the second end position; determining a position in dependence on a current actual value of the measurement signal, the extreme value and the actual values in the first end position and the second end position; determining a parameter for an axial offset between the transmitter part and the sensor element in dependence on the extreme value of the measurement signal and the actual values of the measurement signal in the first end position and in the second end position, and determining the position in dependence on the parameter; and determining a gain value and an offset value in dependence on the parameter for the axial offset, the extreme value of the measurement signal and the actual values in the first end position and in the second end position, and correcting the respective current measurement signal in dependence on the gain value and the offset value.