Mo Sha

Universiti Malaysia Pahang | ump · Faculty of Electrical and Electronics Engineering

This study proposes a wireless power transfer (WPT) simulation for electric vehicle (EV) charging. Using the latest WPT technology rather than traditional charging, this study analyses the best way for boosting power transfer in internal combustion engine (ICE) vehicles. In a WPT system for EV applications, compensating circuits are critical for in...

In recent years, solar PV power generation has seen a rapid growth due to environmental benefits and zero fuel costs. In Malaysia, due to its location near the equator, makes solar energy the most utilized renewable energy resources. Unlike conventional power generation, solar energy is considered as uncertain generation sources which will cause un...

As the rapid development of photovoltaic (PV) technology in recent years with the growth of electricity demand, integration of photovoltaic distributed generation (PVDG) to the distribution system is emerging to fulfil the demand. There are benefits and drawbacks to the distribution system due to the penetration of PVDG. This paper discussed and in...

As the rapid development of photovoltaic (PV) technology in recent years with the growth of electricity demand, integration of photovoltaic distributed generation (PVDG) to the distribution system is emerging to fulfil the demand. There are benefits and drawbacks to the distribution system due to the penetration of PVDG. This paper discussed and in...

Load forecasting is essential in order to fulfil a demand of the consumer. Nevertheless, for a small-scale Battery Energy Storage System (BESS) based on sole photovoltaic (PV), it needs a very strong effort to always meet a consumer's demand due to unstable meteorological conditions. An ideal PV system requires a constructive control strategy in or...

The wireless charging system now becomes one of the emerging technologies especially in the application of communication systems and beneficial to the wireless electronic appliances. Among them are mobile phones, cameras, personal digital assistance (PDA), cooler, torchlight and drill. Those wireless devices require battery to store and provide pow...

The cases of children being trapped and suffocated in unattended vehicle keep increasing even though the awareness campaign on the safety of children in non-moving vehicle were carried out by government. Various methods were introduced by researchers to overcome this issue but yet to be effective. Among them were the usage of capacitive sensor, mic...

Virtual instruments (VI) offer flexibility to engineers in the tasks of measurement and monitoring in many fields of study and various industries. The use of graphical programming in VI helps create a user-defined solution that caters to specific needs. VI increases productivity and decreases costs for test, control and design applications by integ...

The generated torque ripples from the BLDC motor is the main issue that affects the drive performance of the BLDC drive system. In this paper, a new switching technique to minimize the torque ripples due to current commutation is proposed. The presented scheme has been implemented using a commercial and low-cost mid-range PIC microcontroller to gen...

The eye is not only one of the most complex but also the most important sensory organ of the human body. Eye detection and eye tracking are basement and hot issue in image processing. A non-invasive eye location and eye tracking is promising for hands-off gaze-based human-computer interface, fatigue detection, instrument control by paraplegic patie...

This paper presents a method of detecting and segmenting regions of interest (ROIs) of the thermal image of electrical installations. These regions are very important in diagnosing the thermal condition of electrical equipment. Due to the nature of thermal imaging, segmentation with the conventional approach will make inaccurate ROI detection, espe...

Inductive power transfer (IPT) is preferred for numerous applications nowadays, ranging from microwatt bioengineering devices to high power battery charging system. IPT system is based on the basic concept of electromagnetics induction which able to transfer the power from a source of electrical to the load without using any type of physical interc...

This project aims to develop a software for sizing a standalone photovoltaic (PV) systems. The proposed tool has the capability to allow the user to employ meteorological data such as ambient temperature, irradiation data, and peak sun hour (PSH) in designing the PV system. Usually, a micropower system is designed to serve a specific load demand, i...

Hybrid photovoltaic and thermoelectric systems more effectively convert solar energy into electrical energy. Two sources of energy are used in this project. One of the energy is solar energy that converts radiant light to electrical energy. The other one is heat energy, which converts heat energy into electrical energy. Therefore, this project will...

Transient Luminous Events (TLEs) are classified as a type of lightning events that occurs above a thunderstorm. It is a very fast event that is hardly seen by the naked eyes and happened in a very short period of time. So, a high frame rate capturing device is required in order to capture the scenes of TLEs. This paper reveals a study to verify the...

This document describes the analysis of Electroenchaplogram (EEG) or brain signals using computational tool (LabVIEW) to interpret human thought such as moving forward, backward, turn right, turn left and to stop. This study is conducted to assist the disable people to communicate with external environment. The EEG signals are captured using wirele...

This paper proposed an effort to investigate the suitability of input features and classifier for identifying thermal faults within electrical installations. The features are extracted from the thermal images of electrical equipment and classified using a multilayered perceptron (MLP) artificial neural network and support vector machine (SVM). In t...

Infrared thermography technology is one of the most effective non-destructive testing techniques for predictive faults diagnosis of electrical components. Faults in electrical system show overheating of components which is a common indicator of poor connection, overloading, load imbalance or any defect. Thermographic inspection is employed for find...

Gas leakage is one of the hazards that can cause major incidents to human injuries, fires as well as high impact on economic. To avoid such situation, a preventive inspection is paramount important. Since gas leakage is unseen by naked eyes due to the energy that are emitted by gas are too small to simulate by eyes, thermal imaging technology is us...

This paper presents a method to detect an improvised explosive device (IED) by using infrared thermography (IRT) technology. The detection of IED will be done automatically and accurately even the IED detection expert is not present. Combining the advantage of IRT and image processing technique, the proposed method is very efficient and responsive...

Infrared imaging is a commonly used tool for monitoring and assessing the thermal condition of electrical installations for ensuring a reliable power supply. However, the conventional evaluation approach is quite time consuming as the image is analyzed manually by a qualified personnel. Therefore, this paper proposed a fast thermal anomaly detectio...

Maintaining the reliability of electrical installation has become part of the energy efficiency practices in building. The degradation of electrical installations can cause overheating, which can lead to subsequent failure of the equipments that can potentially result in unplanned power outages, possible injury and fire hazard. In addition, the eff...

This paper presents a method for automatically finding regions of interest (ROIs) in the infrared image of electrical installation. These regions are very important in diagnosing the thermal condition of electrical equipment. Even the selection of ROIs in the infrared image can be done manually, however the accuracy of the regions is arguably. So w...

Infrared thermography (IRT) has gained more attention and become an interesting method in electrical preventive maintenance due to its high precision and sensitivity imaging characteristics. This paper provides a review of the application of IRT for diagnosing electrical equipment, including their thermal anomalies and methods of measurement. Impro...

Thermal anomalies in electrical equipments can be extracted if its infrared image is segmented properly. However, segmenting the infrared image is a very challenging task due to blur and low quality of the obtained images. So, it is very important to enhance the image prior to segmentation. This paper proposes an image enhancement method by adjusti...

Reliable performance of an equipment or structure depends on pre-service quality and in- service degradation of the equipment or structure under operating conditions. The role of non-destructive testing (NDT) is to ensure integrity, and in turn, reliability of equipment or structure. Besides, NDT can also monitor in-service degradation and to avo...

The effect of material, thickness and the magnitude of heat generated by microcombustor on heat distribution along thermal spreader for thermoelectric power generator are investigated. Impact of various materials and physical properties was studied upon sample 3 cm × 3 cm. The effect of thermal conductivity, specific heat capacity and thickness tow...

This paper proposes a method of classifying the reliability of electrical equipment by analyzing their thermal images. In order to automatically analyze the thermal image, a top-down approach of image processing is used. First the distinctive feature points of the target equipment are identified. The maximally stable extremal region (MSER) algorith...

This paper proposes the use of a PV–wind–diesel generator hybrid system in order to determine the optimal configuration of renewable energy in Malaysia and to compare the production cost of solar and wind power with its annual yield relevant to different regions in Malaysia namely, Johor, Sarawak, Penang and Selangor. The configuration of optimal h...

Infrared thermography is well known as one of the effective tools in monitoring the condition of electrical equipments. It has the capability to detect the thermal abnormality in electrical equipments. The recent research in this field has shown the interest on an auto-matic diagnosis system. This is due to fast analysis and robust compared to manu...

The paper presents the application of infrared thermography (IRT) for assessing and monitoring electrical components within concrete structures. It is well known that the integrity of a power system is of paramount importance when it supplies electricity throughout a facility, especially during peak time. Overloading, load imbalance, corrosion and...

We compared the switching waveforms of usual Si GTO thyristor and new SiC GTO thyristor under inductive load. Turn off time is smaller in the case of SiC GTO thyristor than in that Si GTO thyristor.

SiC-GTO thyristor complimented by the material advantages of SiC has better characteristics than its Si-GTO thyristor counterpart. The high-voltage operation of SiC is evaluated for use in inductively loaded switching circuits. Compared to purely resistively elements, inductive loads subject the switching device to higher internal power dissipation...

In office buildings, the requirement is that the room airconditioning control system has to provide a comfortable thermal feeling for the working people. While energy saving may sometime conflict with comfort, it is possible to eliminate the wasteful use of energy associated its overuse without prejudice to comfort. It is well known that airconditi...

It is important to note that air-conditioning and mechanical ventilating system (ACMV) and lighting system consume the most electrical energy in a building in Malaysia. In University Malaysia Pahang (UMP), due to the nature of the buildings, split units air-conditioning systems are used in the faculty office blocks and the lecture halls. It is foun...

The system of partial differential equations which forms the Poissonpsilas and continuity equations together with appropriate boundary conditions cannot be solved explicitly in general. Therefore, the solution must be calculated by means of numerical approaches. Application of finite element method (FEM) for semiconductor device simulation is descr...

Real-time application using MATLAB is very difficult to be implemented since the implementation requires very long and tedious programming code. This paper presents an approach to design real-time signal generator system that uses Graphical User Interface (GUI) development tools provided in MATLAB 6.5. The real-time signal generator GUI aimed to co...

It is important to note that air-conditioning and mechanical ventilating system (ACMV) and lighting system consume the most electrical energy in a building in Malaysia. In University Malaysia Pahang (UMP), due to the nature of the buildings, split units air-conditioning systems are used in the faculty office blocks and the lecture halls. It is foun...

Direct Current (DC) motor position control using Programmable Logic Controller (PLC) is one of the applications which are widely used in automation industries. The aim of this project is to implement a Proportional Integral Derivative (PID) controller in a DC motor control system of The Conveyor System. The project is consists of two stages, classi...

Renewable energy sources are increasingly being considered as viable alternatives to conventional supply system, in the provision of electricity to isolated communities especially in the rural and semirural areas. Traditionally, rural loads are supplied from stand-alone diesel power station or via grid extension. Such sources are sometimes not cost...

This paper presents the development of integrated grid-connected PV system design tool and monitoring system. The development and deployment of photovoltaic system need a strategy in order to get the maximum performance result. Designing a PV system is not conceptually difficult, yet many PVprojects fail to achieve their objective because of improp...

This paper presents an application of knowledge­ based expert system (ES) for evaluating PV model power generation system. The deployment of PV system needs a strategy in order to get the maximum result. The strategy must be according to certain criteria. The performance of a PV system depends on the environmental factors such as irradiation and ce...