THIS PAPER CONSIDERS THE EFFECT OF MEASUREMENT ERROR IN DETERMINING THE POSITIONAL REPEATABILITY OF AN INDUSTRIAL ROBOT. SIMULATION AND EXPERIMENTAL RESULTS DEMONSTRATE HOW THE CALCULATED VALUE OF REPEATABILITY VARIES AS A FUNCTION OF MEASUREMENT ERROR. IT HAS BEEN FOUND THAT LITTLE ATTENTION IS PAID TO SPECIFYING THE CHARACTERISTICS AND/OR TYPE OF MEASUREMENT SYSTEM THAT IS TO BE USED. IT IS SUGGESTED THAT THE CHOICE OF INSTRUMENTATION CAN HAVE A SIGNIFICANT IMPACT ON THE RESULTS OF REPEATABILITY TESTING AND SHOULD THEREFORE BE CONSIDERED IN SUFFICIENT DETAIL.
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Published: 06/01/1995 Number of Pages: 6 File Size: 1 file , 680 KB