Profilbillede af yelzhaszhaksylyk
@yelzhaszhaksylyk
Medlem siden 2. januar 2017
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yelzhaszhaksylyk

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I am a PhD candidate from the University of Southeastern Norway. My research focuses on Magnetic Resonance Wireless Power Transmission (WPT). During the project, I’ve investigated, developed, and tested state of the art WPT systems. I designed my own active impedance matching network for the system, so the system can adjust itself to compensate for distance change between transmitter and receiver. This compensation circuitry is implemented for a wireless drone charging station for demonstrator purpose. I gained strong knowledge in Comsol Multiphysics, Matlab, Spice simulators, Altium designer, fabrication and testing the different types of PCBs, Labview. I have experiences in using laboratory equipment such as VNA, LCR meters, oscilloscopes, power amplifiers, different measurements in anechoic chambers. I’ve completed my Masters in Smart System Integration hosted by the most authoritative university in Europe – Heriot-Watt University in the UK. I graduated from the program with the distinction. My master thesis was about circularly dual-polarized antenna structure in a radar system, which lead to publishing a paper. During this period of time, I’ve learnt essential software for RFID circuits such as CST and Keysight ADS.
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Portfolio Items

Nylige bedømmelser

Ingen bedømmelser.

Erfaring

PhD Researcher

Sep 2017

Research in Wireless Power Transfer (WPT): -Investigation of different methods of Inductive WPT. -Research on Impedance Matching Networks for WPT. -Development of own compensation circuitry. -Study on coil structures, designing PCB, etc.

IT Specialist

Mar 2015 - Jul 2015 (4 months)

Development, test, and monitoring of the new database system.

Instrumentation trainee

Jan 2015 - Feb 2015 (1 month)

Installation and maintenance of field instruments.

PLC programmer

May 2014 - Jun 2014 (1 month)

Programming Siemens and Allen-Bradley PLCs for use in oil and gas field.

Uddannelse

MSc in Smart System Integration

2014 - 2016 (2 years)

BSc in Engineering and Technology

2010 - 2014 (4 years)

Kvalifikationer

LabView Certificate (2015)

National Instruments

Professional user

Publikationer

Analysis of Fundamental Differences between Capacitive and Inductive IMN for Wireless Power Transfer

Inductive and capacitive impedance matching are two different techniques optimizing power transfer in inductive wireless power transfer. Under ideal conditions, ie, unrestricted parameter ranges and no loss, both approaches can provide the perfect match. In this paper, we accomplish such a comparison by determining matchable impedances achievable by these networks and visualizing them as regions of a Smith chart.

Comparative Analysis of Inductive and Capacitive Feeding of Inductive Wireless Power Transfer

One of the most challenging issues in a magnetic resonance wireless power transfer (WPT) system is to maintain high efficiency at various distances between the transmitter and the receiver. One way to achieve the desired efficiency is to use a matching network between the source and the resonating coils. In this paper, we present a comparison between capacitive and inductive impedance matching techniques, which are widely exploited to overcome the efficiency drop.

Design of a switchable driving coil for Magnetic Resonance Wireless Power Transfer

This paper presents design and analysis of a switchable inductor suited for active impedance matching in magnetic resonance wireless power transfer systems. The switchable inductor is compact and can be used as both a driving coil at the transmitter side and load coil at the receiver side. We first present the concept through design, simulation and measurement of a three loops coil.

Dual-circularly polarized patch antenna using simple isolation techniques and its array application

This paper presents a low cost, low complexity, dual-circularly polarized patch antenna designs. The aperture coupled antennas employ simple square slotline loop elements to provide surface current cancellation in the critical regions of the antenna structure. High isolation (below 50 dB) is then obtained between the two antenna inputs, one for each polarization state.

Dual-Polarized Aperture-Coupled Patch Antennas for Retrodirective and Monopulse Arrays

An isolation technique, which does not require conventional circulators, is proposed for the realization of a simple and low-cost aperture-coupled circularly polarized antenna for application to full-duplex devices. The approach is based on the use of slotlines loops to provide surface current cancellation in specific regions of the antenna structure, leading to improved axial ratio and isolation between the ports in excess of 50 dB.

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