Person: KORKMAZ, HAYRİYE
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KORKMAZ
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HAYRİYE
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Publication Metadata only Real–time instrument control via internet by using labVIEW graphical development platform(2008-05-08) BAL, SEZEN; KORKMAZ, HAYRİYE; Bal S., Korkmaz H.In this work, a Remotely Accessible and Configurable Electronics Laboratory (RACEL) system is designed in LabVIEW graphical development platform. This LabVIEW application performs several tasks as follows: user interface design, publishing and sharing measured data, instrument control, and remote access to system in the campus lab. This paper describes how to control an instrument existing in the laboratory via a PC on-lab or on-line by using instrument drivers in LabVIEW. Readers can also find the information about where to find and how to download instrument drivers provided by NI or other vendors. In addition, how to turn any LabVIEW application into a remote application accessed via a Web browser without any additional development time is explained in detail. The instruments used in the work are a dc power supply and a data acquisition/ switch unit (multimeter) which are remotely controllable ones having a GPIB interface. Ensuring instrument control and publishing the front panel on the web, students are allowed to access and control the system variables such as adjusting dc power supply’s output to a desired value by clicking the knob or dragging the slider position up/down on the user interface seen on client PC’s monitor.Publication Metadata only Efficient Deployment of Wireless Sensor Nodes with Evolutionary Approaches(2022-01-01) KORKMAZ, HAYRİYE; Birtane Akar S., KORKMAZ H., Sahingoz O. K.© 2022 IEEE.In previous WSN studies, it was observed that there are two common methods used in coverage area calculation: 1) image processing technique or 2) mathematical formulas. calculation of the coverage area, if the sensing ranges of the mobile nodes intersect (overlap) each other, the processing time increases while the calculation result is wrong. In this study, a new method is proposed to calculate the coverage area with relatively high accuracy, including the overlap conditions, but in a shorter time. In this method, the points that were placed as targets to be tracked in the Region of Interest (ROI) in the previous studies are now used in a different way. All covered points by any node are counted to calculate the area. However, in this case, the number of points placed in the area should be much higher than in the previous cases. Coverage performance is calculated by counting the points covered by the WSN nodes and dividing them by the total number of points defined initially. (Coverage rate) First of all, to decide the experiment\"s initial conditions, 57 different cases were simulated. Different number of sensor nodes with different radii (25, 50, 100, 200) was considered and then the average of the error rate of all cases was calculated. The lowest error value was obtained in the case of the 2000×2000 area. Therefore, an area of 2000×2000 was preferred in the next steps. It can be concluded that, this method is a promising method to calculate the coverage rate in WSNs.Publication Metadata only Production of the go-doped pla-based nanofibers and investigation of their electrical properties(2018-07-18) TERZİ, ÜMİT KEMALETTİN; KORKMAZ, HAYRİYE; EKREN, NAZMİ; GÜNDÜZ, OĞUZHAN; CESUR, SÜMEYYE; Özen S., Aydoğdu M. O., Ege Z. R., Cesur S., Terzi Ü. K., Korkmaz H., Ekren N., Gündüz O.