ISSN 0021-3454 (print version)
ISSN 2500-0381 (online version)

vol 67 / April, 2024

DOI 10.17586/0021-3454-2018-61-9-751-755

UDC 681.786


I. A. Konyakhin
ITMO University; Professor

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

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

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Abstract. Two algorithms of autocollimation measurements of spatial rotation of an object based on matrix and quaternionic theoretical models are studied experimentally. The experiments were performed with a model of three-coordinate autocollimation system using glass tetrahedral reflector with the dihedral angles between the reflecting faces slightly deviating from right angle. The advantage of the quaternionic algorithm is demonstrated using reduction of the measurement error as a criterion. 
Keywords: experimental research, three-coordinate autocollimator, algorithm based on quaternionic model, parameters of spatial rotation, measurement error

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