1. DESIGN, CONSTRUCTION AND PERFORMANCE EVALUATION OF A PASSIVE SOLAR WATER HEATER
ABSTRACT
A thermosyphon solar water heating system which captures and utilises the abundant solar energy to provide domestic hot water was designed, simulated, constructed and tested. The system was designed to supply a daily hot water capacity of 0.1m3 at a minim...
2. RELIABILITY AND PROTECTION IN DISTRIBUTION POWER SYSTEM CONSIDERING CUSTOMER BASED INDICES
BACKGROUND OF THE STUDY
Electricity is a component that cannot be overlooked in any contemporary economy. It is essential for the expansion of a nation's economy and its overall development that the nation have access to an affordable and dependable...
3. APPLICATION OF AN OPTIMAL TUNING TECHNIQUE OF ON-LOAD TAPCHANGING TRANSFORMER FOR POWER QUALITY IMPROVEMENT IN TRANSMISSION LINE NETWORK
ABSTRACT
For reliable and efficient operation of power system, voltage level and reactive power flow along transmission lines has to be adequately regulated. To control reactive power flow over transmission lines and compensate for varying voltage drops, tap changing transformers are re...
4. RELIABILITY ANALYSIS OF REINFORCED CONCRETE BRIDGE DECKS SUBJECT TO FATIGUE
Problem Statement
Deterioration of reinforced concrete bridge decks has been a major problem in the country. Both Federal Ministry of Works and Federal Roads Maintenance Agency records show that as at the year 2008, there were 1,696 Bridges that had been completed from year to year an...
5. BACTERIAL FORAGING ALGORITHM BASED TUNING OF ON-LOAD TAP CHANGING TRANSFORMER FOR VOLTAGE REGULATION IN POWER TRANSMISSION NETWORK
ABSTRACT
The control of voltage level has been identified as one of the most important operational
needs for efficient and reliable operation of power system equipment. Due to the fact
that both the utility and customer equipment are designed to ope...
6. DEVELOPMENT OF A CLONAL SELECTION ALGORITHM BASED SYSTEM FOR AUTOMATIC DETECTION OF MULTIPLE SHAPES
ABSTRACT
In this dissertation a Clonal Selection Algorithm (CSA) based system that detected multiple instances of circles, quadrilaterals and triangles in an image scene was developed. CSA models how B-cell antibodies of the immune system protect the body from invading...
7. DEVELOPMENT OF A DISCRETE-FIREFLY ALGORITHM BASED FEATURE SELECTION SCHEME FOR IMPROVED FACE RECOGNITION
ABSTRACT
This research presents the development of a Discrete Firefly Algorithm (DFA) based feature selection scheme for improved face recognition. Discrete Cosine Transform (DCT) and Haar wavelet based Discrete Wavelet Transform (DWT) were used for feature extraction, and Nearest Neigh...
8. DEVELOPMENT OF A DYNAMIC OUTPUT-FEEDBACK REGULATOR FOR STABILIZATION AND TRACKING OF NON-SQUARE MULTI-INPUT MULTI-OUTPUT SYSTEMS
ABSTRACT
This research work is aimed at the development of an observer-based dynamic output feedback controller for stabilization and tracking of nonlinear systems. The developed controller is designed after the immersion-invariance and internal model principle (IMP) frameworks and targ...
9. DEVELOPMENT OF A FUZZY TIME SERIES MODEL USING CAT SWARM OPTIMIZATION CLUSTERING AND OPTIMIZED WEIGHTS OF FUZZY RELATIONS
ABSTRACT
This research developed a hybrid forecasting technique that integrates Cat Swarm Optimization Clustering (CSO-C) and Particle Swarm Optimization (PSO) algorithms with Fuzzy Time Series (FTS) forecasting model. Cat Swarm Optimization Clustering (CSO-C) which is an algorithm for...
10. DEVELOPMENT OF A MODIFIED ARTIFICIAL FISH SWARM ALGORITHM PARTIAL TRANSMIT SEQUENCE TECHNIQUE FOR PEAK TO AVERAGE POWER RATIO REDUCTION IN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING
ABSTRACT
Orthogonal Frequency Division Multiplexing (OFDM) is a multi-carrier frequency multiplexing scheme used in broadband wireless communication systems and has advantages such as high spectral efficiency, simple channel equalization and flexibility.One of its major challenges is th...
11. DEVELOPMENT OF A MODIFIED ENERGY-EFFICIENT CLUSTERING WITH SPLITTING AND MERGING FOR WIRELESS SENSOR NETWORKS USING CLUSTER-HEAD HANDOVER MECHANISM
ABSTRACT
Energy efficiency is one of the most important challenges for Wireless Sensor Networks (WSNs). This is due to the fact that sensor nodes have limited energy capacity. Therefore, the energy of sensor nodes has to be efficiently managed to provide longer lifetime for the network....
12. DEVELOPMENT OF A PILOT ALLOCATION PROTOCOL TO MITIGATE THE EFFECT OF PILOT CONTAMINATION IN MASSIVE MULTIPLE INPUT MULTIPLE OUTPUT SYSTEM
ABSTRACT
Pilot Contamination (PC) has been considered as a majorlimiting factor of Time Division Duplexing (TDD) Massive Multiple-Input Multiple-Output (M-MIMO) systems, as itsaturates the signal to interference plus noise ratio (SINR) saturated. Similarly, several mitigation techniques...
13. DEVELOPMENT OF A STATE ESTIMATION BASED IMPROVED DETECTION AND LOCALIZATION OF NON-TECHNICAL LOSSES USING SMART METER MEASUREMENTS
ABSTRACT
This research work presents the development of branch current based state estimation for NonTechnical Losses (NTLs) Detection and Localization. The use of weighted least square (WLS) state estimation for the evaluation of branch current of a network during theft is considered....
14. DEVELOPMENT OF A ROBUST DIGITAL IMAGE WATERMARKING TECHNIQUE IN DISCRETE ORTHONORMAL STOCKWELL TRANSFORM DOMAIN BASED ON PHOTON POLARIZATION
Excerpt from the Study
This study focused on the development of novel digital image watermarking technique in DOST domain in conjunction with DWT and SVD based on the principle of photon polarization using optimal scaling factor. The developed algorithm is applied on co...
15. DEVELOPMENT OF A SENSITIVITY INDEX BASED TECHNIQUE FOR UNIFIED POWER FLOW CONTROLLER PLACEMENT WITH CONTINGENCY ANALYSIS ON NIGERIA 330kV TRANSMISSION NETWORK
ABSTRACT
Power system network is designed to operate in a prescribed voltage and frequency for stability and for better power quality. Unexpected contingencies leads to instability related problems in the system. This research develops a sensitivity index based technique with contingenc...
16. DEVELOPMENT OF A SHUNT ACTIVE POWER FILTER FOR HARMONIC REDUCTION USING SYNCHRONOUS REFERENCE FRAME WITH SPACE VECTOR PULSE WIDTH MODULATION
ABSTRACT
This work aimed at designing and implementation of Shunt Active Power Filter (SAPF) for power quality improvement through harmonic reduction. The current harmonics are being caused by nonlinear characteristic of power electronics based equipments which increase power losses and...
17. DEVELOPMENT OF AN OPTIMAL EXTRACTED FEATURE CLASSIFICATION SCHEME IN VOICE RECOGNITION SYSTEM USING DYNAMIC CUCKOO SEARCH ALGORITHM
ABSTRACT
This research work is aimed at the development of an optimal extracted feature classification scheme in a voice recognition system using dynamic cuckoo search algorithm. This minimized error mismatch in the recognition process and increased accuracy of recognition. Standard voi...
18. DEVELOPMENT OF AN IMPROVED MULTI-HOP ROUTING PROTOCOL IN WIRELESS SENSOR NETWORKS BASED ON CLUSTER HEAD LOAD BALANCING TECHNIQUE
ABSTRACT
Energy conservation in wireless sensor networks (WSNs) is a key area of research aimed at addressing the challenge of efficient energy utilization. This is due to the fact that the Sensor Nodes (SNs) have limited energy. The limited energy has to be utilized efficiently in orde...
19. DEVELOPMENT OF AN IMPROVED SHORT-TERM PEAK LOAD FORECASTING MODEL BASED ON SEASONAL AUTOREGRESSIVE INTEGRATED MOVING AVERAGE AND NONLINEAR AUTOREGRESSIVE NEURAL NETWORK FOR NIGERIA POWER SYSTEM GRID
ABSTRACT
Electricity demand forecasting is a central and integral process for planning periodical operations and facility expansion in the electricity sector. Demand pattern is very complex due to the highly unpredictable behavior of consumers load consumption. Therefore, finding an app...
20. DEVELOPMENT OF AN OPTIMIZED ROUTING SCHEME FOR A CAPACITATED VEHICLE MODEL
ABSTRACT
This dissertation presents the development of an optimized routing scheme for a capacitated vehicle model using Firefly Algorithm (FFA). The conventional model is a formal description involving mathematical equations formulated to simplify a more complex structure of logistic p...
21. DEVELOPMENT OF MONARCH BUTTERFLY OPTIMIZATION ALGORITHM FOR ECONOMIC LOAD DISPATCH SOLUTION
ABSTRACT
The generation of electric power using different fuel resources to meet load demand and losses while satisfying various constraints on the system involves high running cost (cost of fuel). Therefore, it requires electric utilities to minimize the cost of production of electric...
22. DEVELOPMENT OF THREE DEGREE OF FREEDOM CONTROLLER FOR SHELL AND TUBE HEAT EXCHANGER USING NON-DOMINATED SORTING GENETIC ALGORITHM II
ABSTRACT
This thesis presents the development of a Three Degree of Freedom (3DoF) based outlet fluid temperature controller for Shell and Tube Heat Exchanger (STHX). Shell and Tube Heat Exchangers are classes of heat exchangers being used in industries for heat transfer between fluids....
23. DEVELOPMENT OF TRANSITIONAL PROBABILITY MATRIX MODEL FOR PAVEMENT DESIGN
ABSTRACT
A model of transitional probability matrix for Mechanistic-Empirical Pavement Design was developed with the aim of tarnishing the traditional method obtained from the judgment of an expert panel. The model was developed using fatigue and rutting as the critical factors in pavem...
24. DYNAMIC MODEL DEVELOPMENT AND RECEDING HORIZON CONTROL OF BLOOD GLUCOSE CONCENTRATION
ABSTRACT
Biological systems usually consist of large number of components and involve processes at a variety of spatial, temporal and biological scales. This study presents a framework for model identification and the use of Global Sensitivity Analysis (GSA) in systems biology modelling...
25. HARMONICS MITIGATION ON VARIABLE FREQUENCY DRIVE USING SINGLE PHASE SHUNT ACTIVE POWER FILTER CONTROLLED BY ARTIFICIAL NEURAL NETWORK
ABSTRACT
This research presents effect of harmonic generated by variable frequency drives (VFD).In the past, electrical power system equipment and devices were designed to produce nearly sinusoidal voltage and current waveforms. However, nowadays, with much interest and wide spreads of...
26. MODELLING ANNUAL MAXIMUM FLOOD OF RIVER KADUNA
ABSTRACT
Records of flooding are increasing due to heavy storm which tend to filled most of the water bodies, thereby overflowing onto the land, causing damages and endangering the lives people. Flood also occur due to other factors such dam break, overflowing rivers etc. Most of this e...
27. MODELLING OF WATER QUALITY DETERIORATION IN THE DISTRIBUTION NETWORK USING MATLAB
ABSTRACT
Public water supply is distributed through water pipe network, which affects the quality of water that gets to the consumers when the integrity of the pipe distribution network is compromised. Hence, this study aimed at investigating and modelling water quality deterioration in...
28. RELIABILITY-BASED ANALYSIS OF COMPOSITE SOLID SLENDER TIMBER COLUMNS WITH ALUMINIUM LAMINATES USING SELECTED NIGERIAN TIMBER SPECIES
ABSTRACT
Four timber species (Strombosia pustulata, Macrocarpa biquertii, Entandrophragma cylindricum and Nauclea diderichii) were laminated with aluminium sheets of varying thicknesses.Axial and flexural loads were applied to the composite columns to determine their behaviour under suc...
29. PROBABILISTIC ANALYSIS OF REINFORCED CONCRETE COLUMNS SUBJECTED TO CORROSION
ABSTRACT
This dissertation is a report of the investigation carried out on the Probabilistic analysis of reinforced concrete columns subjected to corrosion. Corrosion of reinforcement bars is one of the most significant causes of deterioration of reinforced concrete columns. The deterio...
30. RELIABILITY ASSESSMENT OF THE STRENGTH CAPACITY OF SOLID TIMBER COLUMNS IN FRP LAMINATES AND SPRAYS
ABSTRACT
Carbon Fiber-Reinforced Polymer (CFRP) composite materials have provenvaluable properties and suitability to be used in the construction of new buildings and in upgrading theexisting ones. One of the objectives of this study is to laminate solid timber columns with varying thic...
31. SIMULATION, DEVELOPMENT AND PERFORMANCE EVALUATION OF A SOLAR/GAS HYBRID POWERED ABSORPTION AIR – CONDITIONING SYSTEM
ABSTRACT
In this study, a gas assisted solar powered absorption air – conditioning system was designed, constructed and tested under Zaria weather conditions in Nigeria. A technical and economic viability study of the system was first carried out by developing and simulating a TRN...
32. A Review of Dimensionality Reduction Methods and Their Applications
ABSTRACT
In the world we live in today, the reduction in data generally has seen a great rise. This is because of the numerous advantages that comes with working with smaller efficient data instead of the original large dataset. With this analogy, we can adopt Dimensionality reduction i...
33. AN IMPROVED FAULT LOCATION ON POWER SYSTEM TRANSIMMISION LINES USING FUZZY LOGIC APPROACH
ABSTRACT
The problem of Electricity are enormous and can never be treated completely until the fault department (maintenance) are improved upon for urgent and rapid response to line faults.
The present protection scheme only isolates the lines in the event of...
34. MITIGATING THE EFFECT OF TOPOLOGY IN CELLULAR MOBILE NETWORK USING MATLAB
BACKGROUND OF THE STUDY
Wireless Ad hoc Networks are networks in which wireless nodes cooperate to establish network connectivity and perform routing functions in the absence of infrastructure using selforganization. Similarly, Mobile wireless Ad hoc Networks (MANETs) are networks in wh...
35. UPWARD CONTINUATION AND SPECTRAL ANALYSIS OF AEROMAGNETIC SIGNATURES OVER KALTUNGO AREA AND SURROUNDING CRETACEOUS SEDIMENTS, NORTHEASTERN NIGERIA
ABSTRACT
The methods of Upward Continuation and Statistical Spectral Depth Analysis were applied on Aeromagnetic data over Kaltungo Area in the Upper Benue Trough, Nigeria and the results are presented in this study. The area is bounded by Latitude 9 'N to 10 'N and Longitude 11...
36. COMPUTER SIMULATION OF HEAT TREATMENT PROCESS FOR ALUMINIUM ALLOY
ABSTRACT
Temperature of aluminium alloy is simulated using MATLAB programming language for annealing, soaking to have uniformity of microstructure and quenching treatment processes. Workpiece selected for the study was aluminum alloy 6061-O, T1, T4 and T6 of different shapes: plate, cyl...
