Issues in this Volume

Articles in this Volume

8 articles
1
Research Article DOI: 10.67203/zjeet.2020.4wnxx1ue

ANALYSIS OF LMS DALTONIZATION ALGORITHM FOR ADJUSTING IMAGE COLOR FOR DEUTERANOPIA

Aisha Badamasi Muhammad*, Ja’afar Zubairu Maitama, Amir Bature, Zainab Yunusa

Color Blindness is a vision deficiency that leads to missing out of some colors present in animage or video. This in turn affects the lives (both personal and professional) of peoplesuffering from it. In order to limit or solve color blindness problems, digital imageprocessing algorithms for adjusting image color have been proposed in the literature.Amongst the most prevalent, RGB color contrastin...

Sep, 2020 pp. 128-134
2
Research Article DOI: 10.67203/zjeet.2020.aefwx09o

TRAJECTORY PLANNING FOR A MOBILE AGENT USING METAHEURISTICS ALGORITHMS

M. L. Imam*, I. F. Egbujo, P. J. Nyabvo, K. Z. Cinfwat, I. S. Momoh, E. K. Akut

This paper presents an optimal path planning technique for a mobile robot in a dynamicenvironment. One of the major problems in robotics engineering is motion planning. Sincerobots are not intelligent and have no intelligent means of perceiving its environment, itusually fundamental to develop an obstacle free path capable of guiding the robot from agoal point to a target point. Therefore, this pa...

Sep, 2020 pp. 135-138
3
Research Article DOI: 10.67203/zjeet.2020.extz5jzd

DEVELOPMENT OF AN AUTONOMOUS VACUUM CLEANER ROBOT

U. Y. Bagaye*, K. A. Abubilal, A. D. Usman

This paper presented an autonomous vacuum cleaning robot with capability for obstacleavoidance. The system design involved augmenting s number of mechanical and electroniccomponents ranging from voltage regulators, motors, sensors, driver circuits, vacuumpump, microcontrollers amongst others). The system was designed for low powerconsumption. HC-SR04 ultrasonic sensors were employed to detect obst...

Sep, 2020 pp. 97-106
4
Research Article DOI: 10.67203/zjeet.2020.igrnn2ln

DECOMPOSITION APPROACH TO THE NEWTON- RAPHSON BASED HYDRO-THERMAL OPTIMAL POWER FLOW SOLUTION

Muyideen Olalekan Lawal*, OlusolaAderibigbe Komolafe

This paper presents a decomposition approach to the hydro-thermal optimal power flow problem to address the mathematical difficulty due to large number of variables and constraints associated with the problem. The decomposition of the problem is achieved by dividing the optimization period under consideration into hourly time intervals. The optimization problem for each time interval is first solv...

Sep, 2020 pp. 82-94
5
Research Article DOI: 10.67203/zjeet.2020.0c8nl6ww

ANALYTICAL ESTIMATION OF FLOW INDUCED VIBRATION IN PIN-PIN SUPPORTED PIPLELINE AND ITS ASSESSMENT AS BASE EXCITATION SIGNAL FOR A POWER HARVESTER

B. Usman*

This work estimates analytically, the vibration induced in a simply supported pipeline with fluid flow,and assesses the vibration for its adequacy as base excitation signal for power harvestingtransducer. The work is based on the model of the fourth order Partial and Ordinary DifferentialEquations without its Coriolis component. The Algorithms for the analytical solution of the FIVmodels are devel...

Sep, 2020 pp. 122-131
6
Research Article DOI: 10.67203/zjeet.2020.dgltsq6u

INTERNAL MODEL CONTROL PERFORMANCE EVALUATION IN NONLINEAR COUPLED TANK SYSTEM

I. A. Shehu*, M. Mohammed, A. Abdulkarim, M. Auwal Shehu

Most industrial process control systems are associated with non-linearity behaviour.Control of such industrial process system is a challenging task according to the degree ofnon-linearity of the system. A typical process control that represent part of such complexindustrial process is the principle used in Coupled Tank System (CTS) level control. Thispaper investigated the performance of Neural Ne...

Sep, 2020 pp. 1-10
7
Research Article DOI: 10.67203/zjeet.2020.21404bh5

PERFORMANCE EVALUATION OF A THREE PHASE FIVE LEVEL MULTI-LEVEL INVERTER

I. S. Falulu*, S. Moses Okpanachi, A. Abubakar, A. Abdulkarim, Y. Jibril, S.A Babale, A. Dahiru

A novel three-phase five-level H-NPC Inverter was proposed in this paper. Theproposed research involves developing a model of the inverter with number of powerswitches (IGBT) and four diodes per phase in order to achieve a three-phase five-level,output voltage waveform in a MATLAB/Simulink environment. The output line-to-linevoltage is improved and the total harmonic distortion is lower than the c...

Sep, 2020 pp. 58-66
8
Research Article DOI: 10.67203/zjeet.2020.jxydba8j

NUMERICAL COMPARISON OF AERODYNAMIC PERFORMANCE OF NACA 4415 FISH TAIL AIRFOIL BLADE WITH CONVENTIONAL NACA 4415 AIRFOIL BLADE

S. I. Sa’id*, A.B. Aliyu, A.A. Adam

The numerical values of the lift coefficient and drag coefficient of NACA 4415 fish tailairfoil blade and conventional NACA 4415 airfoil blade were obtained using CFD programANSYS-FLUENT at angle of attack from -6° to 42°. The values of the stall angle and anglecorresponding to the maximum lift-to-drag ratio for both blades were determined andcompared. The result indicated that Lift and drag coeff...

Sep, 2020 pp. 67-72