Robot-controlled optical measurement array, and method and...

Details Robot-controlled optical measurement array, and method and... Robot-controlled optical measurement array, and method and...

2011-05-31

2011-05-31

Chowdhury, Tarifur (Department: 2886)

Optics: measuring and testing

Position or displacement

C901S047000

Reexamination Certificate

active

07952728

ABSTRACT:
Disclosed is a robot-controlled optical measurement array (1) comprising an optical sensor (2) that is fastened to a spacer (3). Reference marks (22) are provided on the spacer (3) and/or on a sensor (2) housing (2′). Said optical measurement array (1) is calibrated by means of an auxiliary device (13) that is placed on the optical measurement array (1) and is provided with a sensor target (16) which is disposed on the auxiliary device so as to lie within one measurement space (17) of the optical sensor (2) when the optical measurement array (1) and the auxiliary device (13) are in the assembled state. In order to calibrate the optical measurement array (1), measured values of the sensor target (16) are generated with the aid of the sensors (2), said measured values being used for calculating the three-dimensional position of the sensor coordinate system (10) in relation to the sensor target (16). Furthermore, measurements of the three-dimensional positions of the reference marks (22) and the auxiliary device are taken using an additional (stationary) measuring apparatus (21). The three-dimensional position of the sensor coordinate system (10) relative to the reference marks (22) can be determined with great accuracy from a combination of all of said measurements.

REFERENCES:
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patent: 6299122 (2001-10-01), Bame
patent: 6615112 (2003-09-01), Roos
patent: 2004/0100705 (2004-05-01), Hubbs
patent: 0114505 (1984-08-01), None
patent: WO97/46925 (1997-12-01), None

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