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11
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vol 62 / November, 2019
Article

DOI 10.17586/0021-3454-2018-61-9-771-778

UDC 681.7.08,681.78

OPTICAL-ELECTRONIC SENSORS WITH RETROREFLECTORS FOR CONTROL OF SPATIAL POSITION OF TURBINE ELEMENTS

M. A. Kleshchenok
ITMO University, Saint Petersburg, 197101, Russian Federation; postgraduate


V. V. Korotaev
ITMO University, SaintPetersburg, 197101, Russian Federation; Department head


I. S. Nekrylov
ITMO University, Saint Petersburg, 197101, Russian Federation; postgraduate


A. N. Timofeev
ITMO University, Saint Petersburg, 197101, Russian Federation; Senior scientific researcher


E. A. Sycheva
ITMO University, Saint Petersburg, 197101, Russian Federation; postgraduate


A. A. Blokhina
ITMO University, Department of Optical-Electronic Devices and Systems; Bee Pitron SP, Ltd., Design Office of Serial Production; Student,


. Joel Jose Puga Coelho Rodrigues
National Institute of Telecommunications - Inatel, Santa Rita do Sapucai, 37540-000, Brazil; ITMO University, Saint Petersburg, 197101, Russian Federation; Senior scientific researcher; professor-researcher


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Abstract. The way to improve optical-electronic sensors used for monitoring spatial position of elements of turbine units are considered. A scheme of sensor with two retroreflectors is proposed. The influence of sensor elements characteristics on the transformation of measuring data is analyzed. A correlation of the optical system characteristics with parameters and algorithms of the matrix photodetector is revealed. A physical model is developed based on optical-electronic sensor for monitoring object displacements was formed. Presented results of experimental studies confirm the formulated requirements for characteristics of sensors operating under workshop conditions.
Keywords: optical-electronic sensor, auto-reflection scheme, alignment control, triple prism, matrix photodetector

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