Abdulrahaman Otuoze

University of Ilorin | unilorin · Department of Electrical Engineering

Smart grids (SGs) deployments have made power systems operation more efficient by the application of distributed computing schemes in grids’ interoperation. However, these schemes have triggered various security issues which are growing to be of major concerns. Physical attacks, cyber-attacks or natural disasters are major notable form of threats t...

Smart city adoption and deployment has taken the centre stage worldwide with its realisation clearly hinged on energy efficiency, but its planning is threatened by the vulnerability of smart grids (SGs). Adversaries launch attacks with various motives, but the rampaging electricity theft menace is causing major concerns to SGs deployments and cons...

Electricity theft menace has attracted various research efforts with most proposed detection algorithms relying on analysing customers' consumption profile to determine fraudulent electricity consumers (FEC). This necessitates the need for on-site inspections before penalties are sanctioned despite the manpower, cost, energy, time, and stress assoc...

Various techniques have been investigated and proposed for core loss minimization in electrical machines. Nevertheless, many of such methods are mostly complicated and not suitable for consideration at a preliminary design stage. In this work, a simplified procedure which uses an analytical approach to minimizing the field's losses of an Axial Flux...

The deployment of smart electricity meter (SEM) via the advanced metering infrastructure (AMI) has come under cyber-attacks as adversaries continue to exploit the communication links for possible evasion of electricity bill payments. Various detection models relying on energy consumption data offer a disadvantage of delayed detection and consequent...

Demand-side energy management techniques, such as load shielding, shifting, and delaying appliance operation during peak periods, are typically used to reduce electricity costs at the expense of users’ comfort. To address these challenges, especially where operational delays are unacceptable, distributed generation (DG) is frequently incorporated i...

Traditional irrigation control systems is characterized with inefficient management of water and often results in low water productivity index and reduced cultivation yield. In addition, insufficient water supply and high rate of water loss due to evapotranspiration increases plant stress which often affects its growth and development. Therefore, t...

In this paper a new algorithm for classification of three Nigerian paper currency notes, namely 200, 500, and 1000 Naira (N) denominations is presented. The work examines the effectiveness of using only colour histograms to differentiate between the classes or denominations of the three Nigerian paper currency notes. The bin-heights of the histogra...

Subsurface fibrous capillary irrigation has a great potential for high water-saving capability compared to other irrigation methods. However, it suffers from under-performance due to inaccurate estimation and manipulation of water supply depth (∆h) in the water wetting zone of the plant root, in accordance with the changing dynamics of soil, plant...

Available transfer capability (ATC) is an important metric used to measure the techno-economic viability of the transmission networks. Several methods have been presented in literature for ATC assessment, however, only some few articles incorporate CBM in ATC calculation and those few papers only considered conventional power generation sources in...

The ubiquity of DC motor in industrial, and home applications makes it one of the most important components in various categories of machines. The unending demands for automation in appliances productions have led to continuing efforts aimed at advancing simpler, cost-effective, and efficient DC motor drive to take maximum advantage of its performa...

In homes and offices, it is very common for occupants to forget to switch OFF the lighting and fans when leaving the premises. This can be attributed to human forgetfulness and the epileptic power supply which causes interruption that results in users forgetting the state of their appliances (whether they are ON or OFF). Consequently, these applian...

This presentation gives a brief highlight on electricity theft and a deterministic composite framework for tackling electricity theft based on the sources of threats.

A mismatch between utility-scale electricity generation and demand often results in resources and energy wastage that needed to be minimized. Therefore, the utility company needs to be able to accurately forecast load demand as a guide for the planned generation. Short-term load forecast assists the utility company in projecting the future energy d...

This is a FREE Webinar organised by MAKAMA TECHNICAL WRITING AND EDITING SERVICES and presented by Dr. Abdulrahaman Okino Otuoze, who equally doubles as the CEO. It gives a guide on what research is and the skills that must be acquired by Researchers. The tools/resources required for effective research activities and getting research papers publish...

Replacing failed bulbs of streetlights in a location can be very tasking and expensive if the optimal time for replacement is not determined. In this paper, a model has been developed that helps to establish the optimal time for the replacement of streetlight bulbs. Burnt-out bulbs are replaced individually when they fail, and group replacement is...

Hybrid energy system is commonly employed in renewable energy systems to bridge the gap of non-availability of one power source with the others. In this work, a direct conductive electrical circuit connection topology for realizing multiple power source synchronization in the hybrid energy system is proposed. A three-input power sources integration...

The changing dynamics, non-linearity of soil moisture content, as well as other weather and plant variables requires real-time monitoring and accurate predictive model for effective irrigation and crop management. In this paper, an improved monitoring and data-driven modelling of the dynamics of parameters affecting the irrigation of mustard leaf p...

Energy sustainability and reliability issues have created great concerns globally, instigating various utilities to create interconnections with one another for system security and techno-economic benefits. Capacity benefit margin (CBM) is the amount of transmission capacity reserved between interconnected systems for emergency power exchange betwe...

Energy sustainability and reliability issues have created great concerns globally , instigating various utilities to create interconnections with one another for system security and techno-economic benefits. Capacity benefit margin (CBM) is the amount of transmission capacity reserved between interconnected systems for emergency power exchange betw...

The demand for freshwater is on the increase due to the rapid growth in the world’s population while the effect of global warming and climate change cause severe threat to water use and food security. Consequently, irrigation systems are tremendously utilized by many farmers all over the world with its associated high amount of water consumption fr...

The changing dynamics, non-linearity of soil moisture content, as well as other weather and plant variables requires real-time monitoring and accurate predictive model for effective irrigation and crop management. In this paper, an improved monitoring and data-driven modelling of the dynamics of parameters affecting the irrigation of mustard leaf p...

Light Fidelity (Li-Fi) involves the use of Light Emitting Diode to transmit data with the ability to flicker the light source (i.e. switching them On and Off) at a speed not noticeable to the eye, typically, over a thousand times a second. Over the years, the overdependence on Wireless Fidelity (Wi-Fi) for data transmission necessitated the need fo...

Energy losses in the distribution network and its subsystems have been issues of great concerns in Nigeria’s power sector. For decades, several studies have been conducted on the challenges facing the power sector in Nigeria with most focus directed on the distribution subsystems. The major challenge in the distribution system is the high energy lo...

This paper investigates the amount of energy consumed in different configuration for perpetual wireless sensor networks. Wireless Sensor Networks (WSNs) represent an area of networking that become pivotal in many applications. The use of WSNs for the monitoring of environments, habitats as well as systems within industry and healthcare has made WSN...

The successful deployment of Smart Grids (SG) clearly hinges on energy efficiency, relying majorly on the operations of the Advanced Metering Infrastructure (AMI) with Smart Electricity Meters (SEM) as its key aspect. Like every Cyber-Physical System (CPS), it is threatened by cyber-attacks and electricity theft is a notable motive of these attacks...

Abstract - Over the years, the overdependence on Wireless Fidelity (Wi-Fi) for data transmission necessitated the need for an alternate and more reliable means of communication, hence, Light Fidelity (Li-Fi). It involves the use of Light Emitting Diode to transmit data by blinking (i.e. switching them On and Off) at a speed not noticeable to the ey...

Considerable efforts in huge investments are being made to achieve a resilient Smart Grids (SGs) deployment for the improvement of power delivery scheme. Unsurprisingly, many developing nations are making slow progress to the achievement of this feat, which is set to revolutionize the power industry, own to several deployment and security issues. S...

Electricity theft has caused huge losses over the globe and the trend of its perpetuation constantly evolve even as smart technologies such as smart meters are being deployed. Although the smart meters have come under some attacks, they provide sufficient data which can be analysed by an intelligent strategy for effective monitoring and detection o...

Several deterministic approaches have been proposed in literature for available transfer capability (ATC) computation. However, the gradual shift in power generation sources from fossil fuels to renewable energy sources has a remarkable influence on the ATC evaluation. The deterministic approaches do not incorporate the uncertainties of the renewab...

Mobile network operators always want to increase their network coverage to every part of the country in order to attract more customers especially in the rural areas. However, the cost of maintaining the mobile base stations (MBS) is high because most of the rural areas are not connected to grid and therefore attracts high cost of fuel for powering...

The ceaseless efforts by power system industries to promote sustainable and competitive electric power market structure in the deregulated environment have given rise to enormous research in the area of transfer capability of transmission networks. Due to high demand for electricity, transmission components are stressed to operate close to their op...

The continuous increase in the penetration of renewable energy (RE) based distributed generations (DGs) in the power system network has created a great concern on the stability of the existing grid. Traditional bulk power plants, which are dominated by synchronous machines (SMs) can easily support system instability, due to the inherent rotor inert...

The boundary limitation of power systems in terms of generation and network growth, Owing to lack of generation or transmission capacity, due to this a power system operates near to its stability boundaries. The growing complexity of heavily loaded power systems stuck through disturbances and outages makes the problem of voltage uncertainty even wo...

Smart Grids (SGs) have taken a centre stage in achieving a smarter, more reliable, robust, secured, economically efficient and more environmentally friendly mode of power generation and utilisation. Massive deployment is being recorded in developed worlds. While most of these countries are investing heavily in the development of SGs, well-articulat...

Energy fuels the growth and development of any country, and as such effective monitoring, measurement, billing and access control is imperative. This paper presents a device that uses the evolving Internet of Things (IoT) technology in the design and implementation of an Internet based prepaid energy meter often referred to as smart meters. The ene...

Over 80% of the current Nigerian primary energy consumption is met by petroleum. This over-dependence on fossil fuels derived from petroleum for local consumption requirements should be a serious source of concern for the country in two ways – depletion of the resources and negative impact on the environment. This paper presents a critical review o...

This work presents the design and model implementation of a novel home automation system applying the Internet of Things (IoT) technology. It seeks simplified design protocols for developing a robust home automation system to deal with the problems of complexity, multiple incompatible standards and the resulting expenses in the existing systems. Th...

Over 80% of the current Nigerian primary energy consumption is met by petroleum. This overdependence on fossil fuels derived from petroleum for local consumption requirements should be a serious source of concern for the country in two ways – depletion of the resources and negative impact on the environment. This paper presents a critical review of...

The demand for a more sustainable energy supply worldwide is constantly growing hence, leading to the exploration of various renewable energy sources in energy generation systems especially in the demand for power in homes, industrial sectors and other utilities. Hydro power, wave power, solar energy, biomass and wind power are only a few that are...

Home automations provide full control and flexible monitoring of home appliances for increased comfort, efficient energy use, costs saving, improved safety and security, and have driven the development of various smart homes technologies. This paper presents the implementation of a home automation system utilizing the Internet of Things (IoT) techn...

The greatest potential for energy savings is in electric motor applications and induction motors constitute over 60% of such usage. A significant amount of investment on low losses motor materials and drives could be made in order to achieve energy efficiency, but many a times it has been found that performance variations of electric motors are mai...