Ahmad Nasharuddin bin A Rashid’s scientific contributions

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Publications (4)


Ball and Beam Educational Tool for Advanced Control System Laboratory
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December 2013

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1,222 Reads

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Ahmad Nasharuddin A. Rashid

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The practical implementation of advanced controlled system for an industrial application involves a wide variety of integrated field such as control electronics, power electronics, electric machine and drives. The ball and beam educational tool presented here allows student to work with all different fields. The system includes a ball, a beam, a motor, several sensors, intelligent drive and PC as a host. This educational tool involves the modelling process, analysis and control of the ball and beam system using Matlab/Simulink and experimental hardware. The control is designed in closed-loop system using PID tuning method. This research presents the very useful and influential laboratory system that provides PC-based control software that enable student to compare the simulation and experiment. Thus, it is easier for students to relate the theoretical concepts that they have learned in class. .

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Figure 1: Basic component and their interconnection of Ball and Beam Educational Tool ( source: GBB1004 User Guide and Experiment Manual V 2.051 ) 
Figure 2: Functional of mechanical part 
Figure 6: Structure Of The Control Algorithm 
Figure 7: PID controller in Matlab/Simulink 
Figure 8: Controller Mode 
Ball and Beam Educational Tool for Advanced Control System Laboratory

December 2013

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2,162 Reads

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1 Citation

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Ahmad Nasharuddin

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A. Rashid

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[...]

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Malaysia

The practical implementation of advanced controlled system for an industrial application involves a wide variety of integrated field such as control electronics, power electronics, electric machine and drives. The ball and beam educational tool presented here allows student to work with all different fields. The system includes a ball, a beam, a motor, several sensors, intelligent drive and PC as a host. This educational tool involves the modelling process, analysis and control of the ball and beam system using Matlab/Simulink and experimental hardware. The control is designed in closed-loop system using PID tuning method. This research presents the very useful and influential laboratory system that provides PC-based control software that enable student to compare the simulation and experiment. Thus, it is easier for students to relate the theoretical concepts that they have learned in class.


STUDY ON PARAMETER DETERMINATION FOR 1.5KW AC INDUCTION MOTOR

The exact parameter of the motor is essential especially to control in high performance application. Any mismatch of the motor parameters can be affected the performance of the motor. The parameter such as rotor resistance, stator resistance, mutual inductance, stator inductance, rotor inductance, moment of inertia and friction coefficient is needed to comprehend in term of using Field Oriented Control Technique to regulate this induction motor in high performance application. This paper present a step by step parameter determination of three phase squirrel cage induction motor using experimental design namely no-load test and locked rotor test. Then the simulation models were developed to verify the experimental result. The parameter obtained will assist to realize the induction motor control using Field Oriented Control technique.


Inovasi dan Teknologi dalam P&P: Pengesan Korosakan Pendawaian Elektrik Domestik Satu Fasa

September 2012

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4,679 Reads

Pendekatan pembelajaran dan pengajaran berpusatkan bahan pelajaran bolehlah diertikan bahawa sesuatu proses pengajaran dan pembelajaran dengan dibantu oleh sesuatu alat atau kelengkapan dalam membantu pelajar lebih memahami sesuatu pelajaran tersebut. Semasa proses pembelajaran dan pengajaran pensyarah mungkin akan menggunakan sesuatu peralatan, contohnya education trainer dalam memahamkan pelajar tentang sesuatu yang diajar. Projek ini dilaksanakan untuk menghasilkan sebuah educational trainer bagi membantu proses pembelajaran dan pengajaran dalam bidang pendawaian elektrik. Ianya dilengkapi dengan litar pencahayaan dan litar kuasa. Educational trainer ini terbahagi kepada dua bahagian iaitu test point (TP) dan default switch (DS). Bahagian test point ini digunakan oleh pelajar untuk membuat pengujian atau mengesan kerosakan pada litar yang terlibat. Manakala bahagian default switch digunakan oleh pensyarah untuk melakukan kerosakan litar yang dikehendaki. Setiap default switch akan mewakili satu kerosakan pada litar pendawaian tersebut. Oleh yang demikian pensyarah boleh memilih manamana kerosakan yang dikehendaki dan seterusnya pelajar dikehendaki mengesan kerosakan tersebut dengan membuat pengujian atau mengesan kerosakan pada test point. Dengan penghasilan education trainer ini dapat mengatasi masalah yang dihadapi pada masa ini yang mana litar pendawaian perlu dibina terlebih dahulu, setelah itu pensyarah akan melakukan kerosakan pada litar sebelum pelajar mengesan kerosakan tersebut. Ini tentunya memakan masa dalam proses pembembelajaran tersebut. Jika banyak kesalahan yang hendak dilakukan maka banyak litar yang perlu dibina. Ini akan memerlukan kabel yang banyak seterusnya melibatkan kos yang tinggi. Kesimpulanya, penggunaan educational trainer ini dapat menjimatkan masa dan kos dalam perlaksanaan amali pendawaian elektrik di politeknik.