Data processing: measuring – calibrating – or testing – Calibration or correction system – Position measurement
Reexamination Certificate
2011-03-08
2011-03-08
Nghiem, Michael P (Department: 2857)
Data processing: measuring, calibrating, or testing
Calibration or correction system
Position measurement
Reexamination Certificate
active
07904267
ABSTRACT:
An adaptive method and device for identification and compensation of errors in resolver output signals which can increase the accuracy of position estimates of the resolver angle is disclosed. The method utilizes the ideal orthogonal relationship of two resolver output devices to determine an error factor. The error factor is then used to correct the resolver position estimate.
REFERENCES:
patent: 2005/0333539 (2005-02-01), Ishizuka et al.
patent: 2008/0120055 (2008-05-01), Cheng
patent: 100 36 090 (2004-01-01), None
patent: WO 2009/012236 (2009-01-01), None
Amrhein Marco
Wells Jason
Nghiem Michael P
P.C. Krause & Associates, Inc.
Woodard Emhardt Moriarty McNett & Henry LLP
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