Electricity: measuring and testing – Magnetic – Calibration
Reexamination Certificate
2007-10-30
2007-10-30
Nguyen, Khai M. (Department: 2819)
Electricity: measuring and testing
Magnetic
Calibration
C324S207120, C324S207210, C324S207230, C324S207250, C341S118000, C702S085000, C702S151000
Reexamination Certificate
active
11421308
ABSTRACT:
In a method of determining residual error compensation parameters for a magnetoresistive angle sensor providing a first measurement signal depending on a rotational angle the step of generating a plurality of value pairs for a plurality of rotational angle values is provided, wherein each value pair has a rotational angle value and an associated measurement signal value. The method further includes ascertaining a sinusoidal fit function the course of which is adapted to the plurality of value pairs. Finally, residual error compensation parameters can be generated from a difference between the ascertained sinusoidal fit function and the associated measurement signal values of the measurement signal for the plurality of rotational angle values.
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Granig Wolfgang
Hammerschmidt Dirk
Zimmer Juergen
Eschweiler & Associates LLC
Infineon - Technologies AG
Nguyen Khai M.
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