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:: Volume 9, Issue 1 (9-2022) ::
2022, 9(1): 22-43 Back to browse issues page
Design and construction of a sample device for measuring helix steps using image processing technique
Sadegh Kalantari * , Seyed Mohsen Razavi , Hadi Moradi , Emad Hamidi
Tafresh University , sadeghkalantari@tafreshu.ac.ir
Abstract:   (2131 Views)
The same size of the helix steps in a traveling wave tube has a direct relationship with the efficiency of the system. In this article, the goal is to build a device that measures helix steps automatically and with proper accuracy by using image processing. For this purpose, the proposed algorithm was presented along with innovations in the fields of noise removal and threshold determination for the automatic measurement of helix steps, and the prototype of the device was made. This device has the ability to work in two modes of manual and automatic measurement, and it has no domestic equivalent, and it is much cheaper in terms of cost and use in measuring helix steps than the sample made abroad. In automatic mode, this device is able to measure all helix steps at once. In the case of a similar sample made abroad the steps must be measured manually and separately. The selection of the beginning and end points of steps in this device is done adaptively, which increases the speed of measurement and increases the repeatability in measuring steps. In the sample made abroad, the selection of the start and end points of the steps is done by the user, which reduces the repeatability of the measurement. The obtained results show that the measurement accuracy of the manufactured device is acceptable compared to the sample made abroad.
 
Article number: 2
Keywords: Helix steps measurement, Helix steps measuring device, Image Processing, Signal Processing
Full-Text [PDF 1177 kb]   (708 Downloads)    
Type of Study: Applicable | Subject: Digital Image Processing
Received: 2022/03/11 | Accepted: 2022/12/26 | Published: 2023/05/16
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Kalantari S, Razavi S M, Moradi H, Hamidi E. Design and construction of a sample device for measuring helix steps using image processing technique. Nonlinear Systems in Electrical Engineering 2022; 9 (1) : 2
URL: http://journals.sut.ac.ir/jnsee/article-1-402-en.html


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Volume 9, Issue 1 (9-2022) Back to browse issues page
سامانه های غیرخطی در مهندسی برق Journal of Nonlinear Systems in Electrical Engineering
نشریه سامانه‌های غیرخطی در مهندسی برق در خصوص اصول اخلاقی انتشار مقاله، از توصیه‌های «کمیته بین‌المللی اخلاق نشر» موسوم به COPE و «منشور و موازین اخلاق پژوهش» مصوب معاونت پژوهش و فناوری وزارت علوم، تحقیقات و فناوری تبعیت می‌کند.
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