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Measuring Color Index of Transformer Oil–Enabling Single-Wavelength Spectroscopy With Artificial Neural Network-Fuzzy Logic Model
M. H. Hasnul Hadi;Pin Jern Ker;Hui Jing Lee;Yang Sing Leong;Vimal A. Thiviyanathan;M. A. Hannan;Md. Zaini Jamaludin;M. A. Mahdi
Conventionally, the color index of transformer oil is determined by a color comparator based on the American Society for Testing and Materials (ASTM) D 1500 standard. The equipment requires humans to operate, which leads to human error and limited number of samples tested per day. This work proposes the utilization of single-wavelength spectroscopy with 405 nm laser diode using artificial neural n...Show More
Selecting Communication Technologies for an Electrical Substation Based on the AHP
Nayli Adriana Azhar;Nurul Asyikin Mohamed Radzi;Intan Shafinaz Mustafa;Kaiyisah Hanis Mohd Azmi;Faris Syahmi Samidi;Izzati Thaqifah Zulkifli;Fairuz Abdullah;Md. Zaini Jamaludin;Aiman Ismail;Alisadikin Muhammad Zainal
Traditional communication technologies for distribution substations will soon have difficulties meeting the needs of emerging applications. This is due to exponential population growth and future energy demands, necessitating a reliable and fast response from the grid. Moreover, to the best of our knowledge, academic work regarding selecting appropriate communication technologies within electrical...Show More
Flatness Investigation of Multiwavelength SOA Random Fiber Laser Based on Sagnac Loop Mirror
Hanun Enani Muhamad Aliza;Abdul Hadi Sulaiman;Nelidya Md Yusoff;Md Zaini Jamaludin;Fairuz Abdullah;Aiman Ismail;Allen Paul David;Airull Azizi Awang Lah
2023 9th International Conference on Computer and Communication Engineering (ICCCE)
Year: 2023 | Conference Paper |
We investigated the lasing performance of multiwavelength random fiber laser (MWRFL) at different single-mode fibers (SMFs). The main investigation is based on 700 m SMF with the presence of highly nonlinear fiber (HNLF) and polarizer as the current of the SOA is set to the maximum which is at 900 mA. With the assistance of the nonlinear polarization rotation (NPR) effect, two simultaneous multiwa...Show More
Power Over Fiber for Phone Charging Application
Eric P. P. Amin;Najwan. A. Noorazmin;Hui J. Lee;Pin. J. Ker;Md Z. Jamaludin;Ramlah Awang;Farah A.M. Yusof
2022 IEEE 20th Student Conference on Research and Development (SCOReD)
Year: 2022 | Conference Paper |
Power over fiber is an emerging technology that utilizes fiber as an alternative medium for power delivery. The power over fiber application diversifies across sensors, internet of things, medical devices, and 5G cell applications. Nevertheless, collating the system design to achieve an optimum power system efficiency has appeared to be a challenging approach. This research work aims to demonstrat...Show More
LoRa System with IOT Technology for Smart Agriculture System
Leslie. Edwin;Hui J. Lee;Pin. J. Ker;Md Z. Jamaludin;Mohd Anif Akhmal Abu Bakar;Ramlah Awang;Farah A.M. Yusuf
2022 IEEE 20th Student Conference on Research and Development (SCOReD)
Year: 2022 | Conference Paper |
Cited by: Papers (11)
LoRa (short for long-range) refers to the RF modulation under the low-power wide area networks (LPWANs) that offers the potential of smart solution under various environment conditions using the long-range communication capability. Nevertheless, the performance of this technology varies depending on the surrounding conditions as well as the presence of obstructions between the end-to-end transceiv...Show More
Line Spacing Tunability in Multiwavelength Random Fiber Laser based on Series of Lyot Filters
Abdul Hadi Sulaiman;Janesh Gunaseelan;Aiman Ismail;Fairuz Abdullah;Md Zaini Jamaludin
2022 IEEE 9th International Conference on Photonics (ICP)
Year: 2022 | Conference Paper |
Cited by: Papers (2)
We have demonstrated a tunable multiwavelength random fiber laser based on a series of Lyot filter. From the HWP adjustment, the obtained line spacing is 0.4 nm, 1 nm or 2 nm which selectable according to the effective length based on the length of polarization maintaining fiber of PMF1+PMF2, 2PMF1 and PMF1, respectively. The peak power of lasers increases with power of erbium-doped fiber amplifie...Show More
Study of Different Gain Medium in Open-cavity Multi-wavelength Brillouin-Raman Fiber Laser
A. Ismail;M. A. M. Aminuddin;A. H. Sulaiman;F. Abdullah;M. Z. Jamaludin
2022 IEEE 9th International Conference on Photonics (ICP)
Year: 2022 | Conference Paper |
Earlier reported works used 7 km dispersion compensating fiber (DCF) as gain medium in open-cavity multi-wavelength Brillouin-Raman fiber laser. In this paper, we investigate the laser performance using five different fiber spools. Our initial results reported here show shorter DCF may offer optimum number of channels, side-mode suppression ratios and flatness.Show More
The Future PoF in Energy Industry
Eric P. P. Amin;Hui J. Lee;Pin J. Ker;Md Z. Jamaludin;Ramlah Awang;Farah A. M. Yusof
2022 IEEE 9th International Conference on Photonics (ICP)
Year: 2022 | Conference Paper |
Optical fiber cables are more frequently used in power distribution systems due to their capability of providing electrical isolation. Nevertheless, the use of optical fiber cables in distributing power produces more power loss compared to copper cables. Hence, research work focuses on optimizing the conversion efficiency of optical fiber. In this work, a proof of concept of the Power-over-Fiber (...Show More
Multiwavelength Erbium Fiber Laser based on Rayleigh Backscattering incorporating Lyot Filter
A. P. David;N. M. Yusoff;A. H. Sulaiman;A. Ismail;F. Abdullah;M. Z. Jamaludin
2022 IEEE 9th International Conference on Photonics (ICP)
Year: 2022 | Conference Paper |
Cited by: Papers (1)
We propose the generation of a multiwavelength spectrum based on Rayleigh backscattering. An erbium-doped fiber amplifier (EDFA) and a Lyot filter act as gain medium and comb filter, respectively. A high number of stable lasing lines is achieved at 51 channels with a 21 dB extinction ratio using 18 dBm of EDFA power. The output multiwavelength spectrum is optimized in terms of EDFA power, half-wav...Show More
Multiwavelength SOA Fiber Laser based on Sagnac Loop Mirror Interferometer and Lyot Filter
Abdul Hadi Sulaiman;Abdisamad Ali Aden;Aiman Ismail;Nelidya Md Yusoff;Fairuz Abdullah;Md Zaini Jamaludin
2022 4th International Conference on Smart Sensors and Application (ICSSA)
Year: 2022 | Conference Paper |
Cited by: Papers (1)
This work focuses on the investigation of multiwavelength performance based on two comb filters: Lyot filter and Sagnac loop mirror (SLM) interferometer. Better performance of multiwavelength spectrum has been obtained when utilizing the Lyot filter as it generates more lasing lines of 84 spectral lines within 5 dB bandwidth, while the SLM interferometer generated lesser lasing lines of 61 channel...Show More
Improving $\phi$ -OTDR Signal-to-Noise Ratio to Reduce Ambiguity in Intrusion Detection
M. S. Yusri;B. Faisal;M. F. Ismail;N. D. Nordin;N. L. Saleh;A. Ismail;F. Abdullah;M. Z. Jamaludin;A. H. Sulaiman
TENCON 2021 - 2021 IEEE Region 10 Conference (TENCON)
Year: 2021 | Conference Paper |
Cited by: Papers (1)
Distributed acoustic sensing (DAS) has recently drawn attention in perimeter intrusion detection (PID) systems. Fibre optics provide considerable benefits compared to other systems because of its specific qualities, such as compact size, working capability in difficult conditions, resistant properties to electromagnetic interference, and competitive pricing. Standard differential and normalised di...Show More
Optimization of InGaAsSb Thermophotovoltaic Cell for Waste Heat Harvesting Application
Rafiqi Rosli;Hui Jing Lee;Md Zaini Jamaludin;Mansur Mohammed Ali Gamel;Pin Jern Ker
2021 IEEE Conference on Energy Conversion (CENCON)
Year: 2021 | Conference Paper |
Alongside the growing energy demand, the exploration and invention in technology to achieve world sustainability goal is of particular interest. However, the limitation of low overall energy conversion efficiency in conventional fossil-fuel-fired power plants is yet to be resolved. Thermophotovoltaic (TPV) system is of great interest today, as it promotes the usage of renewable energy and improves...Show More
5G New Radio: Dynamic Time Division Duplex Radio Resource Management Approaches
F. S. Samidi;N. A. M. Radzi;W. S. H. M. W. Ahmad;F. Abdullah;M. Z. Jamaludin;A. Ismail
The Internet of Everything is currently in demand and has burdened the network tremendously. Accommodating this exponential increase in demand will require improved Radio Resource Management technology. This problem can be curbed with higher spectrum bands, reevaluation of Time Division Duplex, deployment of Software Defined Network, and Network Function Virtualization into 5G New Radio (NR) netwo...Show More
Performance of Ge and In0.53Ga0.47 as Thermophotovoltaic Cells under Different Spectral Irradiances
Mansur Mohammed Ali Gamel;Pin Jern Ker;Wan Emilin Suliza Wan Abdul Rashid;Hui Jing Lee;M. A. Hannan;Md. Zaini Bin Jamaludin
The investigation on the effect of illumination power intensities for a thermophotovoltaic (TPV) system is crucial to enhance the TPV cell performance. To date, the studies on the effect of illumination intensities were limited to solar photovoltaic cells application. Meanwhile, the reported work on the impact of infrared illumination intensities on TPV cells are done at limited temperatures and i...Show More
Portable NIR Spectroscopy Measuring Device for Transformer Oil DBPC Inhibitor Analysis
Yang Sing Leong;Pin Jern Ker;Muhamad Haziq Hasnul;Mahdi A. Khamis;M. A. Hannan;Md. Zaini Jamaludin;Hui Mun Looe
Monitoring the insulation system of power transformers is crucial in ensuring power transformers are operating in optimal conditions. Given the nondirect and destructive nature of conventional techniques, optical techniques have prevailed to be an effective alternative to monitor the condition of the insulation system. The recent development of small and compact optical components has also contrib...Show More
Optical Detection of Inhibitor in Transformer Oil at Silicon-Detectable Wavelength Using Variable Path Length Model
Vimal Angela Thiviyanathan;Pin Jern Ker;Yang Sing Leong;Md. Zaini bin Jamaludin;M. A. Hannan;Looe Hui Mun
The conventional method of detecting inhibitor content in transformer oil is by using fourier-transform infrared spectroscopy at the mid-infrared region. This wavelength of detection brings several technical challenges in fabricating the photodetector and light source. Therefore, as a fundamental research that can potentially lead to the development of an on-site measuring device, this study repor...Show More
Scheduling Smart Grid Network Traffic with Context-Awareness in Industrial Grade Router
Wan Siti Halimatul Munirah Wan Ahmad;Nurul Asyikin Mohd. Radzi;Mohammad Azmi Ridwan;Intan Shafinaz Mustafa;Nurshazlina Suhaimy;Faris Syahmi Samidi;Muhammad Haqeem Mohd Nasir;Fairuz Abdullah;Aiman Ismail;Md Zaini Jamaludin;Mohd Nasim Zakaria
2020 1st International Conference on Information Technology, Advanced Mechanical and Electrical Engineering (ICITAMEE)
Year: 2020 | Conference Paper |
Packet switching has slowly taken its place in the smart grid network, and this promising technology is capable of scheduling traffic according to priority assignment. However, a complex situation in the grid requires a flexible solution. A Context-Aware Traffic Scheduling (CATSchA) algorithm has been proposed and this particular work will validate the simulation with the hardware setup, in a cont...Show More
Scheduling Smart Grid Network Traffic with Context-Awareness in Industrial Grade Router
Wan Siti Halimatul Munirah Wan Ahmad;Nurul Asyikin Mohd. Radzi;Mohammad Azmi Ridwan;Intan Shafinaz Mustafa;Nurshazlina Suhaimy;Faris Syahmi Samidi;Muhammad Haqeem Mohd Nasir;Fairuz Abdullah;Aiman Ismail;Md Zaini Jamaludin;Mohd Nasim Zakaria
Year: 2020 | Conference Paper |
Portable Device for Transformer Oil Inhibitor Content Analysis Using Near-Infrared Spectroscopy Wavelength
Yang Sing Leong;Pin Jern Ker;M. H. Hasnul;M. A. Khamis;M. A. Hannan;M. Z. Jamaludin;Hui Mun Looe
2020 IEEE Industry Applications Society Annual Meeting
Year: 2020 | Conference Paper |
Cited by: Papers (4)
Monitoring the insulation system of power transformers is crucial in ensuring power transformers are operating in optimal conditions. Due to the non-direct and destructive nature of conventional techniques, optical techniques have prevailed to be an effective alternative to monitor the condition of the insulation system. The recent development of small and compact optical components has also contr...Show More
Simulation and optimization of Lattice Mismatched InGaAs Thermophotovoltaic Cell
Shuangela Joy Sebastian;Wan Emilin Suliza Wan Abd Rashid;Hui Jing Lee;Md Zaini Jamaludin;Pin Jern Ker;Mansur Mohammed Ali Gamel
2020 IEEE Student Conference on Research and Development (SCOReD)
Year: 2020 | Conference Paper |
Thermophotovoltaic (TPV) system harvests heat from thermal radiation where the photons are absorbed by a photovoltaic (PV) cell device and generates electrical energy. InGaAs is one of the popular III-V semiconductors material and has a great potential to be an efficient TPV cell if further optimization and improvements are made. In this paper, In0.68 Ga0.32 As with bandgap energy of 0.6 eV and cu...Show More
Raspberry Pi as Reconfigurable Fiber-based Router and Its Performance Analysis
Muhammad Haqeem Mohd Nasir;Wan Siti Halimatul Munirah wan Ahmad;Nurul Asyikin Mohd. Radzi;Fairuz Abdullah;Azlina Abdullah;Aiman Ismail;Md Zaini Jamaludin
2020 IEEE 8th International Conference on Photonics (ICP)
Year: 2020 | Conference Paper |
Cited by: Papers (1)
Passive Optical Network (PON) has evolved drastically in order to provide greater speed and better reliability such as Next Generation PON1 (NG-PON1) and NG-PON2 which able to provide more than 40 Gbps and 128 Gbps of bandwidth respectively. Due to rapid growth of PON technologies, researchers have conducted many thorough experiments in order to enhance current PON-base technologies in a form of t...Show More
Boosting Output Power of Multiwavelength Fiber Laser with Lyot Filter utilizing Hybrid Amplifier
Abdul Hadi Sulaiman;Hariz Asyraff Abdul Latif;Fairuz Abdullah;Aiman Ismail;Md Zaini Jamaludin;Nelidya Md Yusoff
2020 IEEE 8th International Conference on Photonics (ICP)
Year: 2020 | Conference Paper |
This paper presented an investigation on the effect of hybrid amplifier to multiwavelength fiber laser (MWFL) with in-cavity Lyot filter. The hybrid amplifier comprising semiconductor optical amplifier (SOA) and erbium doped fiber amplifier (EDFA) was used to boost the lasing output peak power. The multiwavelength lasing output has improved by 20 dB, while the extinction ratio (ER) increased to 4 ...Show More
Fast temperature extraction approach for BOTDA using Generalized Linear Model
Nur Dalilla Nordin;Fairuz Abdullah;Mohd Saiful Dzulkefly Zan;Aiman Ismail;Md Zaini Jamaludin;Ahmad Ashrif A Bakar
2020 IEEE 8th International Conference on Photonics (ICP)
Year: 2020 | Conference Paper |
Cited by: Papers (1)
Fast temperature extraction approach for Brillouin optical time domain analyzer (BOTDA) system using Generalized Linear Model (GLM) is demonstrated experimentally. The training dataset for GLM is designed in order to make it feasible for the measurand extraction. The advantage of using this method is that it is fast as compared to conventional method where the determination of Brillouin frequency ...Show More
Gallium Antimonide Thermophotovoltaic: Simulation and Electrical Characterization Under Different Spectral Filtration Wavelengths
Wan Emlin Suliza;Wan Abd Rashid;Md Zaini Jamaludin;Nazaruddin Abdul Rahman;Mansur Mohammed Ali Gamel;Hui Jing Lee;Pin Jern Ker
2020 IEEE 8th International Conference on Photonics (ICP)
Year: 2020 | Conference Paper |
Gallium Antimonide (GaSb) Thermophotovoltaic (TPV) cell is a well-known device for waste-heat harvesting technology. To date, the conversion efficiency of the GaSb TPV cell remains low due to the presence of electrical and spectral losses. In this study, a GaSb TPV cell model is developed using the Silvaco TCAD simulation software. Validation on the simulation model was performed under atmospheric...Show More
Performance Comparison of Narrow Bandgap Semiconductor Cells for Photovoltaic and Thermophotovoltaic Applications
Mansur Mohammed Ali Gamel;Pin Jern Ker;Hui Jing Lee;Wan Emilin Suliza wan Abd Rashid;Md Zaini Jamaludin;Ahmed I.A. Mohammed
2020 IEEE 8th International Conference on Photonics (ICP)
Year: 2020 | Conference Paper |
Cited by: Papers (1)
Narrow bandgap (NB) materials provide better potential for infrared radiation conversion to electricity from solar or various thermophotovoltaic (TPV) spectrums. Different NB materials generate diverse output performance depending on the properties of materials crystal and cell configuration. Decreasing the bandgap of the materials will improve the collection of longer wavelength photons, but that...Show More
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