Browsing Theses & Dissertations by Title
Now showing items 577-596 of 677
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Rheological and thermal properties of palm kernel shell filled low density polyethylene composites
(Universiti Malaysia Perlis (UniMAP)School of Materials Engineering, 2013)The palm kernel shell (PKS) filled low density polyethylene (LDPE) composites were prepared by Z-blade mixer at temperature of 180 °C and rotor speed of 50 rpm. The effects of PKS loading and different types of chemical ... -
Robust and secured data hiding schemes using digital image steganography
(Universiti Malaysia Perlis (UniMAP)School of Computer and Communication Engineering, 2013)Transmitting data over a public network such as the Internet necessitates increasing the security of data communications; especially with the highly sensitive document transfer. Steganography techniques have been introduced ... -
The role of alkaline activator in geopolymerization of low-calcium fly ash based geopolymers
(Universiti Malaysia PerlisSchool of Materials Engineering, 2010)Inorganic polymers or simply geopolymers were synthesized in this study by the alkaline activation of local low-calcium (Class F) fly ash. The alkaline activator liquid used for the activation process was a mixture of ... -
Screening system for heart valve disease
(Universiti Malaysia Perlis (UniMAP)School of Mechatronic Engineering, 2011)The first method applied by physician and cardiologists to detect heart disease is heart sound auscultation. However the skill of auscultation takes many years to acquire. Acknowledging the importance of heart sound ... -
Self-harmonics suppression rectenna for wireless power harvesting
(Universiti Malaysia Perlis (UniMAP)School of Computer and Communication Engineering, 2014)The development and analysis of several designs of self-harmonic suppression rectenna for the wireless power harvesting system are presented. The purpose of self-harmonic suppression rectenna is to eliminate the using of ... -
Sensing properties of chitosan and chitosan-roselle film sensors on toluene concentrations detection
(Universiti Malaysia Perlis (UniMAP)School of Materials Engineering, 2013-10)This study aims to observe the sensing properties of chitosan sensor (CS) and chitosanroselle sensors (CRSs) on toluene at various concentrations. CRSs were deposited using various chitosan: roselle ratio of 99:1 to 89:11 ... -
Silicon nanowire sensor from electron beam lithography: design, fabrication and characterization
(Universiti Malaysia Perlis (UniMAP)School of Microelectronic Engineering, 2011)This study demonstrates the process development of silicon nanowires (SiNWs) sensor requires both the fabrication of nanoscale diameter wires and standard integration to CMOS process. Prior to actual fabrication process, ... -
Simulation and correlation of the melt flow characteristic using Polystyrene in usymmetrical cavity injection mold
(Universiti Malaysia Perlis (UniMAP)School of Materials Engineering, 2011)In plastic injection molding. the problems found in the mold design stage are the capability on plastic flow and unsymmetrical cavity on the injection molding. Different thickness. morphology and volume on cavities have ... -
Simulation of breast cancer imaging using magnetic induction tomography
In order to reduce the physical trauma caused by breast compressions, exposure to radiations and the high price of diagnostic tests, a new cost effective magnetic induction tomography (MIT) system is proposed to identify ... -
Simulation of shunt capacitor switching transient
(Universiti Malaysia Perlis (UniMAP)School of Electrical Systems Engineering, 2014)Energization of capacitor banks and shunt reactors has been recognized as a possible source of malfunctions due to the known effect of Switching Transient. Switching transient can produce unwanted high currents with ... -
Simulation of single phase fuel cell powered transformerless multilevel inverter using H-Bridge cascade topology
(Universiti Malaysia Perlis (UniMAP)School of Electrical Systems Engineering, 2014)In this thesis, a multilevel inverter is constructed using H-Bridge Cascaded circuit to obtain output voltage for three, five, seven and nine level. It is operated without transformer to obtain a nominal voltage of240V. ... -
Simulation study of micro wind turbine
The micro wind turbine is an innovative technology that can generate electricity with a low wind speed condition. This electricity is produced from a kinetic energy which is harvested by the wind turbine and the particular ... -
Single line to ground fault distance estimation in medium voltage network based on measurement from secondary side of distribution substations
Faults may occur in every power system network in the world. It can be caused by natural phenomenon and also human errors. Faults may cause damage to the system which resulting in system failure. Earth fault is the most ... -
Single minute exchange of dies with fuzzy-analytic hierarchy process method for setup time reduction : an application in advanced composite manufacturing industry
For many decades, extensive attention has been given to the action of reducing the setup time and most of them are practicing the Single Minute Exchange of Dies (SMED), developed by Shigeo Shingo in 1960s. However, the ... -
Sistem pengklasifikasian pintar untuk jenis parasit malaria
(Universiti Sains Malaysia (USM)Pusat Pengajian Kejuruteraan Mekatronik, 2012)Malaria adalah disebabkan oleh parasit protozoa daripada genus plasmodium. Tanda-tanda jangkitan yang biasa termasuklah demam, menggigil, sakit otot dan sakit kepala. Pada masa kini, dua kaedah diagnosis secara manual oleh ... -
Sistem saringan dan diagnosis automatik penyakit leukemia akut berasaskan sampel darah
(Universiti Malaysia Perlis (UniMAP)School of Mechatronic Engineering, 2013)Leukemia ialah satu penyakit kanser darah yang turut menyumbang kepada peningkatan peratus kadar kematian setiap tahun di Malaysia. Terdapat dua ketegori utama leukemia iaitu akut dan kronik. Leukemia akut terbahagi pula ... -
Slotted series Iteration log periodic fractal koch antenna with stub-loaded for UHF TVWS applications
The research works in this thesis mainly focusses on the development of slotted series iteration log periodic fractal Koch antenna (S-LPFKA) for ultra high frequency (UHF) television white space (TVWS) spectrum applications. ... -
Smart battery charger system based on embedded microcontroller
(Universiti Malaysia Perlis (UniMAP)School of Electrical Systems Engineering, 2015)An efficient and embedded battery charger controller is the important part in the electrical charging and protection systems which used to charge the rechargeable batteries. Most of the chargers are not efficient, due to ... -
Smart communication platform system for low altitude applications
(Universiti Malaysia Perlis (UniMAP)School of Computer and Communication Engineering, 2014)- -
Smart irrigation system based on internet of things with voice command
The smart irrigation system is a more innovative, user-friendly, time-saving and more efficient than the existing system. The smart irrigation system is significant for horticulture to get high return in semiarid and ...