ยป CHAPTER ONE INTRODUCTION All modern engineering system includes certain aspects of control system at some point in their broadcast scenes, control engineering and the associated theory are concerned with the means of making system to behave in a desired may.ย The system on this thesis is a DC " AC โฆContinue Reading ยป
ยป ABSTRACT ย The early transmitter for radio broadcasting is so big and bulky that they do occupy numerous spaces. The circuitries are mainly designed with valves, which are big in sizes. With the advent of semiconductor materials such as transistors electronic equipment are now becoming miniaturizedโฆContinue Reading ยป
ยป PREFACE ย The purpose of this text is to present at a primary and intermediate level a comprehensive over view of the construction principle and indeed the operation of a Digital Incubator. ย We want to present a situation where by as the temperature in going up let the resistance be decreasing andโฆContinue Reading ยป
ยป ABSTRACT ย Despite all attempt of the federal government to have not only an uninterrupted power supply for all cities in Nigeria, but a voltage that is inconformity with the recommended 220/230v for domestic consumption for example. ย The NEPA Plc is facing some difficulties in generating, transmiโฆContinue Reading ยป
ยป ABSTRACT ย This work has been aimed at efficient means of controlling the traffic effectively for twenty four hours. As the world is growing technologically more and more vehicles jump into the public road adding to the already existing number. Consequently, more efficient way of controlling the trโฆContinue Reading ยป
ยป ABSTRACT The design of this 30 volt Audio Amplifier with volume, table and bass control which was done wit ht he combination of five (5) different circuit which are interconnected during or after construction. ย This amplifier operates with an option of a left and right channel. The combination of tโฆContinue Reading ยป
ยป ABSTRACT ย As new ideas unfold and technology become advanced with business increasingly being dependent on technology for their fundamental operation; the need for system availability is of paramount importance. Uninterruptible power supply [INVERTER] maintain continuous supply of electric power tโฆContinue Reading ยป
ยป ABSTRACT ย The work presented in this thesis explored the potential of using a mix of renewable energy resources (hybrid power systems, HPSs) to generate electricity that meets power needs of mobile base stations at rural areas in Nigeria. The study was based on theoretical mathematical modeling anโฆContinue Reading ยป
ยป ABSTRACT ย The need for high performance resource allocation schemes for Virtual Private Networks (VPNs) has led to the proliferation of algorithms for VPN resource allocation. It was found that most works on VPN resource allocation focused either on admission control or link reservation on the netโฆContinue Reading ยป
ยป ABSTRACT ย ย Most ATMs employ one means of authentication (single factor authentication) by using the PIN. These kinds of ATMs are vulnerable to ATM frauds like Card Skimming: where a device placed at the slot for the ATM Card copies all the information stored in ATM cards including the PINs and tโฆContinue Reading ยป
ยป ABSTRACT ย Providing quality of service is a challenging issue in UMTS mobile networks for multimedia traffic (video, voice and data). Critical services such as real time audio, voice and video are given priority over less critical ones, such as file transfer and web surfing. One of the approaches โฆContinue Reading ยป
ยป ABSTRACT ย Asynchronous Transfer Mode (ATM) has been recommended and has been accepted by industry as the transfer mode for Broadband network. Currently, large scale effort has been undertaken both in the industry and academic environment to design and build high speed ATM networks for corporate boโฆContinue Reading ยป
ยป ABSTRACT ย ย Long term evolution (LTE) Network is often faced with the challenge of meeting up with the quality of service (QoS) requirement of the different services supported in the Network. Maintaining a trade off between system throughput and fairness among users when making radio resources scโฆContinue Reading ยป
ยป ABSTRACT ย This work investigates and evaluates local liquid dielectric for insulation of power transformers. Considering the importance of transformer insulation the investigation is borne out of the need to develop the capacity for local production of transformer dielectric. Natural esters of vegโฆContinue Reading ยป
ยป ABSTRACT ย The wideband code division multiple access (WCDMA) based 3G cellular mobile wireless networks is expected to provide diverse range of multimedia services to mobile users with guaranteed quality of service (QoS). In order to provide the diverse quality of service required by the users of โฆContinue Reading ยป
ยป ABSTRACT ย Microcontroller based automate controller is a project design of a system that is used in operating a gate automatically. The system opens the gate automatically when a human being or car is about to enter a compound or exit a compound. The system works by sensing the light rays from theโฆContinue Reading ยป
ยป CHAPTER ONE ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย INTRODUCTION ย The industrial batch counter is an electronic and electricalย device that handles the counting and controls the flow of individuals using an automated slide door thaโฆContinue Reading ยป
ยป CHAPTER ONE INTRODUCTION ย ย The purpose of this project is to produce a narrative description of the design and construction of a microcontroller based dot matrix advert display. Firstly computer aided design is the modeling of physical system on Computers allowing both interactive and automatic anโฆContinue Reading ยป
ยป ABSTRACT ย Uninterruptible power supplies (UPS) are used to provide power when regular utility power is unavailable.ย Although they are commonly used for providing power in remote locations or emergencies, this is not because they are the same as auxiliary power units, emergency power units or staโฆContinue Reading ยป
ยป ABSTRACT Microwave over the years has been discovered to be a very important appliance which is used in many different applications such as telecommunication products, radar detectors, wood curing and drying, and medical treatment of certain diseases. ย However, certain of their properties render thโฆContinue Reading ยป
ยป ABSTRACT ย The project is based on Construction of microcontroller vehicle speed alarm system which automatically warns the driver by activating a panic alarm which is triggered on when the driver exceeds the speed limit set in the system which also stops the alarm when the speed is reduced below tโฆContinue Reading ยป
ยป ABSTRACT ย ย The performance of a hybrid synchronous reluctance machine capable of ultra high Xd/Xqย ratio and output power has been studied. A d q model (voltage and flux linkage) of the hybrid synchronous reluctance machine has been idealized and developed. Also, the impedance and current loci fโฆContinue Reading ยป
ยป Abstract ย Temperature rise is of much concern in the short and long term operations of induction machine, the most useful industrial work icon. This work examines induction machines mean temperatures at the different core parts of the machine. The systemโs thermal network is developed, the algebโฆContinue Reading ยป
ยป ABSTRACT ย ย Generally, for existing Insulation co ordination studies the power system has been modeled either by deterministic mathematical techniques or by statistical methods. The shortcoming of the existing conventional mathematical technique of Insulation co ordination analysis is that it assโฆContinue Reading ยป
ยป Abstract ย This work investigates an improved protection solution based on the use of artificial neural network on the 330kV Nigerian Network modelled using Matlab R2014a. Measured fault voltages and currents signals decomposed using the discrete Fourier transform implemented via fast Fourier transโฆContinue Reading ยป