Muhamad Hafiz Ab Aziz
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Preferred name
Muhamad Hafiz Ab Aziz
Official Name
Muhamad Hafiz , Ab Aziz
Alternative Name
Ab Aziz, Muhamad Hafiz
Aziz, Muhamad Hafiz Ab
Aziz, Mohd H.A.
Aziz, M. H.A.
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Scopus Author ID
55370619800
Researcher ID
FYK-1560-2022

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A review on harmonic mitigation method for non-linear load in electrical power system

2021 , Muhamad Hafiz Ab Aziz , Muhammad Mokhzaini Azizan , Zaliman Sauli , Mohd Wafiuddin Yahya

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Digital fringe projection system for round shaped breast tumor detection

2020-01-01 , Wan Mokhdzani Wan Nor Haimi , Zaliman Sauli , Hasnizah Aris , Vithyacharan Retnasamy , Rajendaran Vairavan , Muhamad Hafiz Ab Aziz

The digital fringe projection has been widely used in the field of surface imaging however its application in the field of body imaging especially for human breasts is still quite limited. Currently, the common imaging modality for breast tumor diagnoses are breast ultrasound and mammogram. There are advantages and limitations of using the mammogram and ultrasound in terms of the procedure of the process and the non-invasive nature of the procedure. In this work, an automated digital fringe projection system is developed to execute the imaging of surface changes of a helical shaped phantom breast. The fringe projection setup utilizes a computer, LCD projector, and a CCD camera. The tumor used was round-shaped with a diameter size of 1.5 and 2 cm. The fringe pattern was projected through the three-step phase shift where a resulting phase map was obtained. Results demonstrated that the system was able to identify an average pixel shift of five and ten on the breast surface caused by the presence of the round breast tumors.

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A review on harmonic mitigation method for non-linear load in electrical power system

2021 , Muhamad Hafiz Ab Aziz , Muhammad Mokhzaini Azizan , Zaliman Sauli , Mohd Wafiuddin Yahya

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Analysis and Development of a Poultry Hatching Machine

2020-07-09 , Irfan Abd Rahim , Muhamad Hafiz Ab Aziz , Ghani H.A. , Muhamad Farizuan Rosli , Fazdly M.K. , Azlida A.

The egg-hatching machine comprises a several main factors that has been adapted and developed in this machine. The main factors are temperature, humidity, turning orientation and ventilation. The development of the machine without considering these factors will lead to failure or low percentage of hatching success. Therefore, these important factors must be included and adapted to machine. The best temperature for egg incubation is 37.8 °C or 100 °F and for relative humidity is from 55% to 65%. For egg, turning and orientation can be done from 2 to 6 times daily. The angle for turning is from 30° to 90°. The use of forced-air incubation method in this machine instead of still-air incubation had helped to regulate the air and supply oxygen to the eggs in the chamber. Besides considering all factors, other supportive factor that will help to increase the percentage of hatching success also must not be neglected. The supportive factors are location to place the machine, insulation for preventing heat loses and hygiene or cleanliness of the machine. Although these supportive factors are not the main parameter for egg incubation, these factors also need some attention as they also one the keys for hatching success.

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Development of copper busbar by silver plating under non-linear load operation using finite element method (FEM)

2023 , Muhamad Hafiz Ab Aziz , M. M. Azizan , Zaliman Sauli , Mohd Wafiuddin Yahya

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