Open AccessTHE ALGORITHM FOR SEARCHING THE SOLAR CELL SCANNING AREA TO DIAGNOSE ITS EFFICIENCY
Author(s) -
Roman V. Levchenko
Publication year - 2021
Publication title -
avtomatizaciâ processov upravleniâ
Language(s) - English
Resource type - Journals
ISSN - 1991-2927
DOI - 10.35752/1991-2927-2021-2-64-111-118
Subject(s) - software , process (computing) , computer science , solar cell , row , limit (mathematics) , computer hardware , algorithm , engineering , electrical engineering , mathematics , database , programming language , operating system , mathematical analysis
The article deals with the developed method for diagnosing photo scanning of solar cells using a monitor screen and a personal computer connected to it. The photo-scanning method can be used as quality control in the technological chain of semiconductor devices. The method comprises hardware and software. The hardware part is used for obtaining photoresponse in form of voltage. The software part ensures receiving, processing, storing and visualizing of data. The proposed device has a problem of entering scanning area of the solar cells. This problem is revealed at stage of element positioning in the diagnostic process. The defect is eliminated by introducing a software and mathematical support for searching sensitive area of an element. The algorithm of the scanning area search scanning is a process of exposure light spot in form of rows and columns. Photovoltage values in these areas are compared with the value of insensitivity limit. As a result, the program receives illumination area of the the solar cell effective region. The algorithm also increases the diagnostic speed in case of complete loss of efficiency in a some area of