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real-Coded Genetic Algorithm for Parametric Modelling of a Trms
Research Output | Dar Al-hikmah Library | IIUM Only

This paper present a novel and scrutinized parametric modeling of a laboratory scale helicopter, a twin rotor multi input multi output system (TRMS), by employing a real-coded genetic algorithm (GA) technique. The main goal of this work is to emphasise the potential benefits of this architecture for real system identification. Instead of working on

Effect of the Processing Parameters on the Integrity of Calcium Phosphate Coatings Produced by rf-Magnetron Sputtering
Research Output | Dar Al-hikmah Library | IIUM Only

Calcium phosphate (CaP) compounds like hydroxyapatite and tricalcium phosphates are considered to be very important biomaterials. This study used RF-magnetron sputtering (RF-MS) to deposit CaP onto 316L SS. Due to the complex nature of the effect of different sputtering parameters on the quality and integrity of the coatings, there is a need to fur

Post Traumatic Cerebral Oedema in Severe Head Injury is Related to Intracranial Pressure and Cerebral Perfusion Pressure But not to Cerebral Compliance
Research Output | Dar Al-hikmah Library | IIUM Only

This was a prospective cohort study, carried out in the Neuro Intensive Care Unit, Department of Neurosciences, Hospital Universiti Sains Malaysia, Kubang Kerian Kelantan. The study was approved by the local ethics committee and was conducted between November 2005 and September 2007 with a total of 30 patients included in the study. In our study, u

Tool Life Prediction by Response Surface Methodology in End Milling Titanium Alloy Ti-6a1-4v Using Uncoated wc-Co Inserts
Research Output | Dar Al-hikmah Library | IIUM Only

This paper presents an approach to establish models for tool life in end milling of titanium alloy Ti–6Al– 4V using uncoated carbide inserts under dry conditions. Small central composite design (CCD) was employed in developing the tool life model in relation to primary cutting parameters such as cutting speed, axial depth of cut and feed. Flank

Design and Simulation of rf-Cmos Spiral Inductors for Ism Band RFID Reader Circuits
Research Output | Dar Al-hikmah Library | IIUM Only

The recent popularity of RFID tags has generated research for accompanying miniature, low-power reader circuits. This work illustrates the design of RF complementary metal- oxide-semiconductor (CMOS) process compatible spiral inductors. Several simulators such as AWR Microwave Officereg, SONNETreg, and finite element program CST were used to provid

Cmos 2.45 GHZ RF Power Amplifier for RFID Reader
Research Output | Dar Al-hikmah Library | IIUM Only

A high linearity CMOS RF (radio frequency) power amplifier, which has the advantage of being low-cost and easily integrated on chip has become the technology of choice for RFID readers. This work demonstrates a 3.3V single voltage self-biased 2.4GHz--2.5GHz high linearity RF power amplifier for RFID applications.CMOS 2.45GHz RF Power Amplifier for

An Overview of Shari'ah Issues Regarding the Application of the Islamic Letter of Credit Practice in Malaysia
Research Output | Dar Al-hikmah Library | IIUM Only

The Letter of Credit (LC) serves as an instrument of payment in international trade. Its aim is to facilitate trade between seller and buyer in different countries. To date, the Islamic banking environment promotes the use of the Islamic LC as a method of financing in international trade, particularly to Muslims and to the general public as a whole

Design of a high-Speed, Reconfigurable Digital Rank Order Filter
Research Output | Dar Al-hikmah Library | IIUM Only

A new architecture to realize a modular, high speed, reconfigurable, digital Rank Order Filter (ROF) is presented in this paper. A bit-level algorithm by Kar and Pradhan has been modified in this work to implement the proposed ROF. Using the proposed digital rank selection circuit it is possible to find the element of a certain rank in a given sequ

Intraluminal Thrombus has a Selective Influence on Matrix Metalloproteinases and their Inhibitors (Tissue Inhibitors of Matrix Metalloproteinases) in the Wall of Abdominal Aortic Aneurysms
Research Output | Dar Al-hikmah Library | IIUM Only

Background: The influence of intraluminal thrombus (ILT) on the proteolytic environment within the wall of an abdominal aortic aneurysm (AAA) is unknown. This is the first study to examine the correlation between ILT thickness and the levels of matrix metalloproteinases (MMPs) and their natural inhibitors (tissue inhibitors of matrix metalloprotein

Parametric Modelling of a Trms Using Dynamic Spread Factor Particle Swarm Optimisation
Research Output | Dar Al-hikmah Library | IIUM Only

System identification in vibrating environments has been a matter of concern for researchers in many disciplines of science and engineering. In this paper, a sound approach for a Twin Rotor Multi-input Multi-Output System (TRMS) parametric modeling is proposed based on dynamic spread factor particle swarm optimization. Particle swarm optimization (

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