ISSN 0021-3454 (print version)
ISSN 2500-0381 (online version)
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vol 67 / February, 2024
Article

DOI 10.17586/0021-3454-2017-60-12-1157-1160

UDC 681.786

ERROR ANALYSIS OF OBJECT ROTATION PARAMETERS MEASUREMENT WITH AUTOCOLLIMATION METHOD USING COMPUTER MODELS ON THE BASE OF QUATERNIONS

V. P. Hoang
ITMO University, Department of Optical-Electronic Devices and Systems; Post-Graduate


I. A. Konyakhin
ITMO University; Professor


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Abstract. A computer model of autocollimator, based on description of object rotations by the quaternionic method, is considered. The effects of main primary errors of autocollimation angular measuring system on the measurement error of the position axis and magnitude of object rotation are analyzed. Comparison of autocollimation measuring algorithms based on quaternionic and matrix models is carried out using the criterion of the influence of deviations of autocollimator parameters on the total measurement uncertainty. 
Keywords: autocollimation method, quaternionic method, parameters of rotation, measurement error

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