Method for performing a function test of a position...

Details Method for performing a function test of a position... Method for performing a function test of a position...

2005-12-20

2008-07-15

Barbee, Manuel L (Department: 2857)

Data processing: measuring, calibrating, or testing

Calibration or correction system

Position measurement

C702S150000, C073S001790, C033S702000

Reexamination Certificate

active

07400990

ABSTRACT:
A method for performing a functional test of a position measuring system, which in the course of scanning a scale by a position measuring unit generates position values. The method includes generating a control value in the position measuring system, the control value having a defined mathematical interrelationship with one of the position values and into which a correction value stored in the position measuring system is entered as a parameter. Transmitting the control value and an associated position value to an evaluation unit located downstream of the position measuring system. Making a check in the evaluation unit to determine whether there is a mathematical interrelationship between the control value and the associated position value. Storing the correction value in the position measuring system under a first memory address and a second memory address. Accessing the correction value at the first memory address for forming a definite mathematical interrelationship between the control value and the associated position value, wherein the making a check includes having the evaluation unit access the correction value at the second memory address.

REFERENCES:
patent: 5740081 (1998-04-01), Suzuki
Ernst, Alfons, “Digitale Längen—und Winkelmesstechik” [Digital Longitudinal and Angle Measuring Technology], published by Moderne Industrie, 1989, pp. 1-94.
Ernst, Alfons, Digital Linear and Angular Metrology, published by Moderne Industrie, 1989, pp. 1-94.

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