Two Degree-Of-Freedom Camera Support System

A surveillance camera is used to observer and record the surroundings. There are many types of existing surveillance camera and each of them has their own specifications made to suit their respective purposes. For example, there are fixed, 1-degree-of- freedom (DOF) and2-DOF cameras. As for a moving camera, it is essential for it to be able to move freely so that it can capture the target object in awider range. The camera also should be able to be controlled wirelessly to give a better practicality to the user. Based on the specifications, this project is constructed to overcome these problems. A 2-DOF camera support system is to be created which can be controlled wirelessly via Bluetooth. The support will e made with two motors that can pan and tilt the camera. The user will need to download an application which has o screen control into their gadgets and this can be connected to the Arduino which controls the motors. The Arduino will process the command from the user and will move the right motor to execute the command. This project will help the user to control the surveillance camera from a distance wirelessly and have at least a 360B0; pan view and 90B0; tilt view

Development of Voice Recognition for Student Attendance

Development of voice recognition for student attendance system is beneficial in many ways It helps the lecturer in administrative the attendance of their student with efficiency This is because students always cheat with their attendancy by signing on behalf of their friend who did not attend class With this project voice biometric is used as a medium for student to mark their attendance Cheating among students will be prevented because like fingerprints each voice is different The objectives of this project are to study and understand the properties understand the properties of speaker recognition and to analyze the effectiveness of using Euclidean distance feature for speaker recognition Databases of 26 volunteers were collected consisting of only male The report result is tabulated Three types of analysis were done first same train is used as test data reported 100 correct The remaining two analyses used different test data recording Volunteers use the same sentence as test data reported 76 92 correct Lastly volunteers used their name and the correct percentage is 46 1

Development of Voice Recognition for Student Attendance

Development of voice recognition for student attendance system is beneficial in many ways It helps the lecturer in administrative the attendance of their student with efficiency This is because students always cheat with their attendancy by signing on behalf of their friend who did not attend class With this project voice biometric is used as a medium for student to mark their attendance Cheating among students will be prevented because like fingerprints each voice is different The objectives of this project are to study and understand the properties understand the properties of speaker recognition and to analyze the effectiveness of using Euclidean distance feature for speaker recognition Databases of 26 volunteers were collected consisting of only male The report result is tabulated Three types of analysis were done first same train is used as test data reported 100 correct The remaining two analyses used different test data recording Volunteers use the same sentence as test data reported 76 92 correct Lastly volunteers used their name and the correct percentage is 46 1

Critical success factors for software projects: a comparative study

Although there have been studies completed on the critical success factors of software projects, these studies all have been specific to one particular country. There has been no comprehensive study reporting on different project sizes in various domains and in multiple countries. We present our extensive literature survey of critical success factors that impact software projects. Forty-three articles from the years 1990 to 2010 were found to be significant contributions that could be analysed in order to develop a list of critical factors that specifically affect the success of software projects. The method of content analysis and frequency analysis was adopted. Twenty-six critical success factors were found to be related to software project success. We suggest that organisation or project manager is attentive to control the top five critical factors to drive towards project success since the percentage of frequency of occurrences for each is more than 50%. Also, it appears that non-technical factors (94%) dominated over technical factors (6%). In a result unique to our study compared with previous one, we found that the factors of clear and frozen requirements, realistic estimation of the schedule and budget, along with a competent project manager are the five most critical success factors of software projects

Average Load Distance (ALD) radio communication model for wireless sensor networks

The lifetime of network is one of the most critical issues that have to be considered in the application of wireless sensor networks. The network nodes are battery powered and remain operational as long as they can transmit the sensed data to the processing (sink) node. The main energy consumption of sensor node can be attributed to the task of data transmission to sink node or cluster head. Hence, conserving energy in transmitting data shall maximize functional life of the wireless networks. In this paper we proposed a computationally efficient Average Load Distance (ALD) communication model for forwarding data from sensor to the cluster head. Experiment results indicate that the proposed model can be up to 88% more efficient over direct mode of communication, in respect of per-round maximum energy consumption. An application study shows that ALD can save up to 89% of wireless sensor networks operational cost when compared to direct mode transmission

SUCCINYLATED POLYETHYLENIMINE GENE DELIVERY AGENTS FOR ENHANCED TRANSFECTION EFFICACY

Gene therapy aims to treat patients by altering or controlling gene expression. Today, most clinical approaches are viral-based due to their inherent gene delivery activity. However, there is still a significant interest in nonviral alternatives for gene delivery, particularly synthetic lipids and polymers, that do not suffer the immunogenicity, high cost, or mutagenesis concerns of viral vectors. Polymeric vectors are of particular interest due to the ability to further tune the polymer properties through the incorporation of additional functional units such as targeting ligands or shielding domains. Polyethylenimine (PEI), a highly cationic polymer, is often considered a benchmark for polymer-based gene delivery and thus serves as an excellent model for investigating gene delivery mechanisms. One reason PEI, especially branched PEI, is thought to outperform many other cationic polymers is due to the presence of secondary and tertiary amines. These amines are thought to help facilitate escape from endocytic vesicles via a \u27proton-sponge\u27 mechanism. Despite its successful use for in vitro gene delivery, PEI was initially developed for use in common processes such as water purification. As such, the properties of PEI should not be expected to be optimal for gene delivery. In this dissertation, my research efforts focused on the incorporation of negatively charged succinyl groups to the PEI backbone to create succinylated zwitterion-like PEI (zPEIs). Specifically, we focused on the synthesis and characterization of zPEIs as well as the impact of zPEI on DNA condensation and gene expression. This dissertation will discuss the results of three projects. In project (1), we studied the suitability of minimally modified zPEIs for gene expression. In this work, we reveal that modification of PEI as low as 2% amines was sufficient to provide significant improvements in gene delivery particularly in the presence of serum proteins. In project (2), we investigate the self-assembly of DNA induced by modified and unmodified branched PEIs using small-angle X-ray scattering (SAXS). Modified PEIs included both succinylated zPEI and acetylated PEIs (acPEI) both modified from 0-40%. We demonstrate that changing the degree of modification significantly alters the packing density of the resulting polyplexes. While acPEI shows a continuous decrease in DNA packaging efficiency with increasing degree of modification, zPEI shows a crossover behavior where DNA-DNA interhelical spacings increase at low succinylation but decrease at higher degrees of succinylation. Studies on the pH dependence on the inter-DNA spacing also show that lowering the pH leads to tighter DNA packaging for all PEIs studied. These findings shed light on the complex correlation between DNA packaging density and gene expression ability of PEI and modified PEI mediated gene delivery systems. In project (3), we studied the efficacy of zPEI polyplexes at varying protein concentrations ranging from 0-10 mg/mL of bovine serum albumin (BSA). These high protein concentrations are comparable to in vivo protein concentrations. We show that while PEI/DNA transgene expression decreases with higher protein concentrations, the zPEI studied stayed approximately constant over the protein range studied. To test if these conditions may lead to the formation of a protein corona on the nanoparticles, which was recently shown to enhance serum-free transfection in unmodified bPEI/DNA, we also measured the transgene expression of polyplexes pre-treated to form a protein corona on the polyplexes

ENERGY EFFICIENT AND EFFECTIVE LIGHTING SYSTEM

Lighting is a principal user of electrical energy in commercial buildings that directly affects economy. Typically, lighting requires about 30 percent of energy consumption in commercial sector. Energy efficient and effective lighting may be achieved by using all the facilities that are upgraded with advanced hardware, but the definition and distinction between efficient and effective should be well understood. The significance of this project is to conduct the project workflow within power system studies and analysis area. The results of lighting design are used to size protection device such as miniature circuit breaker (MCB). The fundamental of lighting design is very important since engineers are responsible to ensure that the lighting design is effective in terms of light quality and cost effectiveness. Therefore, the selection of light fittings shall be based on illumination level requirement, application, and dimension of the area. The project also shall fulfill the project intent that is to have efficient and effective lighting system as well as maintaining high quality in lighting performance. Since theproject intent is to learn and design the lighting system byusing systematic approach, the lighting design software package namely CALCULUX is used for this project. The methodology to be used in this project is outlined as follows: i) Conceptual design ii) Gathering ofnecessary data and manual calculations iii) Lighting simulation iv) Lighting circuiting v) Lighting panel schedule vi) Design calculation ofMCB i

Impact of institutional quality on the capital structure of firms in developing countries

This paper investigates the effects of institutional quality on firms' capital structure for a panel of 3891 firms from 23 developing countries. Our main findings for the full panel show institutional quality has a significantly positive effect on firms' capital structure. At the regional level, based on the panel data for 2187 firms from Asian countries and 1091 firms from Latin American and Eastern European countries, institutional quality has a significantly positive effect on capital structure. However, for the 613 firms from African countries, institutional quality is mostly insignificant. Additional analysis reveals positive effects of legal enforcement on capital structur

Performance Evaluation Of IPSec Implementation In IPV4 And IPV6 Networks

The fast proliferation and advancement of the Internet technology nowadays have led to an alarming increase of security issues of the whole network operation. The insecure nature of Internet today that based on Internet Protocol version 4 (IPv4) has a number of security problems. This scenario has driven for the development of many security protocols and one of them is Internet Protocol Security (IPSec). As a replacement for IPv4, Internet Protocol version 6 (IPv6) has a new security feature beside of its other new features. IPv6 implemented with security architecture which is called IPSec. The implementation of IPSec in IPv6 is mandated. Meanwhile for IPv4, IPSec is optional. This research aims to implement IPSec, to test, and then to perform the network performance evaluation in order to analyze and assess the impact of the IPSec implementation over IPv6 network as compared to IPv4 network. The tests have been done using network performance tools, namely Netperf and ICMP programs. In order to accomplish the performance evaluation, an IPv6 testbed which is called 6iNet has been developed at Universiti Utara Malaysia (UUM). This testbed has been developed as a platform to perform the related tests and tasks. The methodology used in this research is adopted from the IPv6 project of National Institute of Standard and Technology (NIST). This methodology has been modified to suite on LAN academic network and related tasks. The deployment of IPv6 testbed can be utilized to spearhead the implementation of operational IPv6 network in UUM in the future. From this study, we hope that the results of the experiments will give us the opportunity to understand the IPv6 architecture before any real implementation can take place. In addition, we hope that 6iNet will become a platform for various works over IPv6 in UUM