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All Journal International Journal of Electrical and Computer Engineering International Journal of Power Electronics and Drive Systems (IJPEDS) TELKOMNIKA (Telecommunication Computing Electronics and Control) Bulletin of Electrical Engineering and Informatics JURNAL NASIONAL TEKNIK ELEKTRO Proceeding of the Electrical Engineering Computer Science and Informatics Indonesian Journal of Electrical Engineering and Computer Science

Auzani Jidin

Universiti Teknikal Malaysia Melaka

Author-ID : 2379036

Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering

Published : 41 Documents Claim Missing Document

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Articles

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Torque improvement of PM motor with semi-cycle stator design using 2D-finite element analysis Kwang T. C.; Mohd Luqman Mohd Jamil; Auzani Jidin
International Journal of Electrical and Computer Engineering (IJECE) Vol 9, No 6: December 2019
Publisher : Institute of Advanced Engineering and Science

This paper presents sizing approaches to improve output torque performance in PM motor when partial stator body is removed. As the output torque performance is directly proportional to the electric loading, Q, modification on stator geometry affects the output torque performance and special procedures have to be taken to restore the desired output torque capability. Influences of split ratio, tooth body width, airgap and magnet thickness of magnet in PM motor with asymmetry stator design are carried out and the performance verification are referred to the back-emf, average output torque, torque ripple as well as cogging torque. From the investigation using 2D-Finite Element Analysis, optimum size of tooth body width and optimum number of coil turns result better output torque while other sizing approaches result no significant change as quick saturation took place.

Improved magnetic behavior of hemicycle PM motor via stator modification Kwang T. C.; Mohd Luqman Mohd Jamil; Auzani Jidin
International Journal of Electrical and Computer Engineering (IJECE) Vol 10, No 3: June 2020
Publisher : Institute of Advanced Engineering and Science

This article presents the simple basic sizing approaches to decrease overall weight of motor and improve magnetic characteristics in PM motor. A review on various stator design in PM motor i.e. radial-flux or axial-flux with slotted or non-slotted is presented. As magnetic and electric loading influence the electromagnetic motor performance, modification on stator body are included in investigation for a desired electromagnetic torque performance. Influences of tooth body width sizing and additional stator slots sizing in PM motor equip with hemicycle stator design are carried out. Two designs are included, both having similar semi-circle stator but different in additional slot tooth within and over 180 ○ i.e. Design 2 and 3 respectively. For optimization using 2D-Finite Element Analysis, optimal tooth body sizing and additional stator tooth result the weight significantly reduce by 44%, 5.9 Nm output torque and 30% torque ripple.

Strategies for FPGA Implementation of Non-Restoring Square Root Algorithm Tole Sutikno; Aiman Zakwan Jidin; Auzani Jidin; Nik Rumzi Nik Idris
International Journal of Electrical and Computer Engineering (IJECE) Vol 4, No 4: August 2014
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (94.039 KB)

This paper presents three strategies to implement non restoring square root algorithm based on FPGA. A new basic building block is called controlled subtract-multiplex (CSM) is introduced in first strategy which use gate level abstraction. The main principle of the method is similar with conventional non-restoring algorithm, but it only uses subtract operation and append 01, while add operation and append 11 is not used. Second strategy presents the first strategy in register transfer level (RTL) abstraction. In third strategy, a modification for the implementation of conventional non-restoring algorithm is presented which also use RTL abstraction. The all above strategies is implemented in VHDL programming and adopt fully pipelined architecture. The strategies have conducted to implement successfully in FPGA hardware, and each of the strategies is offer an efficient in hardware resource. In generally, the third strategy is superior.DOI:http://dx.doi.org/10.11591/ijece.v4i4.6008

The simulation analysis of stator flux droop minimization in direct torque control open-end winding induction machine Muhammad Zaid Aihsan; Auzani Jidin; Siti Azura Ahmad Tarusan; Tole Sutikno
International Journal of Electrical and Computer Engineering (IJECE) Vol 13, No 3: June 2023
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v13i3.pp3561-3571

Direct torque control (DTC) using dual-inverter technique is one of the best topologies for electric vehicle (EV) as it offers abundant selection of voltage vectors to drive the induction machine (IM). This dual-inverter technique also more reassuring as the system still workable even any of its voltage supply is disrupted or the power pack is drained. However, during the uneven voltage supply, the movement of voltage vectors is interrupted and will move obliquely especially in medium voltage vectors. This situation will lead to the faulty movement of the voltage vectors in the default sector definitions and lead to huge flux droop, which later could impose to distort phase current. This paper proposes an optimal sector definition based on the preset voltage ratio between the two inverters. The voltage vectors can be mapped tangentially to the flux vector, minimizing the flux droop and improving the phase current waveform when the proposed sector is utilized. The effectiveness of the proposed sector is tested using MATLAB/Simulink software and the exact parameter from the induction machine.

Co-Authors Aiman Zakwan Jidin Aiman Zakwan Jidin Atikah Razi Azziddin M. Razali Farina Sulaiman Fazlli Patkar Goh Wee Yen Huzainirah Ismail Huzainirah Ismail Jurifa Mat Lazi Kasrul Abd Karim Kasrul Abdul Karim Khairi Rahim Komathi Applasamy Kwang T. C. Logan Raj Lourdes Victor Raj M. H. N. Talib M. Khairi Rahim M. Nazri Othman Maaspaliza Azri Md Hairul Nizam Talib MD Hairul Talib Mohd Amran Mohd Radzi Mohd Hatta Jopri Mohd Luqman Jamil Mohd Luqman M. Jamil Mohd Luqman Mohd Jamil Mohd Luqman Mohd Jamil‬ Mohd Ruddin Ab Ghani Muhammad Zaid Aihsan Muhammed Fazlur Rahman Muhd Zharif Rifqi Zuber Ahmadi Musa Yusup Lada N. Abdullah Nabil Farah Nashiren Farzilah Mailah New Lai Sim Nik Rumzi Nik Idris Noor Azida Noor Azlan Noor Izzri Abd. Wahab Nor Azizah Mohd Yusoff Nor Faezah Alias Norhisam Misron Normaisharah Mamat Nur Arifah Ramli Nur Huda Mohd Amin Nurfaezah Abdullah Nurul Ain Mohd Said Ömer Aydoğdu Qazwan Abdullah Raja Nor Firdaus Raja Othman Rizky Ajie Aprilianto RN Firdaus S. Azura Ahmad Tarusan Sharin Ab Ghani Siti Azura Ahmad Tarusan Siti Azura Binti Ahmad Tarusan Subrata, Arsyad Cahya Suhairi Rizuan Sundram Ramahlingam Syahid Hikmatul Wahid Syahrul Hisham Mohamad Syamim Sanusi T. Sutikno Tengku Noor Ariana Tengku Azam Tole Sutikno Wahidah Abd Halim Wail Ali Ali Saleh Yusnida Ahmad Tarmizi Z. Ibrahim Zanariah Jano Zulfikri Zaki Zolkapli Zulhani Rasin Zulhani Rasin Zulkifilie Ibrahim Zulkiflie Ibrahim

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Journal : International Journal of Electrical and Computer Engineering