Keynote

Official 2017 APPEMSE Keynote

 
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ASSOCIATE PROFESSOR DR ZAHRILADHA ZAKARIA – was born in Johor, Malaysia in 1975. He received the B. Eng. and M. Eng. in Electrical and Electronic Engineering from the Universiti Teknologi Malaysia in 1998 and 2004 respectively. He obtained his Doctorate from The University of Leeds in 2010 in the field of Microwave Engineering. From 1998 to 2002, he was with STMicroelectronics, based in Malaysia where he worked as Product Engineer. He is currently an Associate Professor and Coordinator of Centre of Excellence (CoE) at the Faculty of Electronic and Computer Engineering, University Teknikal Malaysia Melaka (UTeM), where he teaches electronic system, communication principles, microwave engineering, advanced TCP/IP and signal processing. His research interests include variety of microwave devices development such as planar and non-planar microwave filters, amplifiers and antennas. He also investigates data communication and radiowave propagation in wireless communication systems. He has published more than 150 scientific papers in journals, proceedings and book-chapters. Together with his research team, he has secured more than 30 internal and external research grants with a total amount of approximately RM 2.5 million and holds 8 intellectual property rights. He has won several awards including gold medal during several research and innovation exhibitions at the national and international level, such as the UTeMEX 2012, 2013 & 2015, Kuala Lumpur Malaysia Technology Expo (MTE 2012-2014), ), International Invention & Innovation Exhibition (ITEX 2016), International Trade Fair Ideas Inventions New Products (iENA 2012) in Nuremberg, Germany, Seoul International Invention Fair (SiiF 2013, 2016) in Seoul, Korea. He is also a member of the Institute of Electrical and Electronics Engineers (IEEE), Institute of Engineers Malaysia (IEM) and Board of Engineers Malaysia (BEM).

Keynote Speech’s title:

“Microwave Bio-Sensor with High Accuracy of Measurement for Material Properties Detection”
Abstract:

The topic of material characterization is one of the most active areas in dielectric properties research today. The microwave sensor development has significant application areas towards characterizing materials such as the chemical industry, food processing, agriculture, pharmaceutical, and bio-sensing. The knowledge of the characterizing materials is important to provide valuable scientific understanding and critical information on electrical characteristic of chemical and bio mechanism to conduct an initial evaluation of the materials. A considerable amount of literature has been published on sensor design such as a coaxial probe, waveguide, and dielectric resonators to extract the dielectric properties of test specimen due to their polar nature and covalent bond. However, these types of sensors are expensive to build, since most of them have a complicated measurement setup and complex design structure. From that particular review, the planar structure of the biochemical resonator sensor is proposed to overcome the drawbacks of existing sensors which is more compact, simple structure design, low manufacturing cost and easy to fabricate. Another concern is most of the planar sensor suffers from poor quality factor and measurement errors which restrict their usage in crucial applications. In this study, however, we present novel structures of planar microwave sensors based on symmetrical split ring resonator (SSRR) and Circular Substrate Integrated Waveguide (CSIW) for determining and detecting the dielectric properties in common solid and liquid materials. The spurline filter is used for producing high Q-factor with capability to suppress the undesired harmonic spurious and undesired frequency. The high sensitivity of sensor with Q-factor of more than 400 and average measurement error less than 0.55% have achieved. This new class of microwave sensor is very important for various industrial applications such as food industry, quality control, bio–sensing medicine and pharmacy.

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