Volume 9, Issue 2 (September)

Articles in this Issue

5 articles
1
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 5 views 1 downloads
2
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 4 views
3
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 5 views
4
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 views
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 5 views
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