36 found
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  1.  11
    Comparison of a Triple Inverted Pendulum Stabilization Using Optimal Control Technique.Mustefa Jibril, Messay Tadese & Eliyas Alemayehu - 2020 - Report and Opinion Journal 12 (10):62-70.
    In this paper, modelling design and analysis of a triple inverted pendulum have been done using Matlab/Script toolbox. Since a triple inverted pendulum is highly nonlinear, strongly unstable without using feedback control system. In this paper an optimal control method means a linear quadratic regulator and pole placement controllers are used to stabilize the triple inverted pendulum upside. The impulse response simulation of the open loop system shows us that the pendulum is unstable. The comparison of the closed loop impulse (...)
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  2.  27
    Design and Control of a Hydraulic Based Tire Changer Using H Infinity and H2 Optimal Synthesis Controllers.Mustefa Jibril, Messay Tadese & Eliyas Alemayehu Tadese - manuscript
    In this paper, the design and control of a hydraulic system based tire changer machine have been analyzed and simulated using Matlab/Simulink Toolbox successfully. The machine have a displacement input which is a leg pedal displacement in order to push the piston of the pump to fed the motor with a pressured hydraulic fluid to rotate the tire with an angular speed to mount and dismount it. Augmentation based H and 2 H optimal synthesis controllers have been used to improve (...)
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  3.  20
    Design and Control of a Vertically Moving Base Inverted Pendulum Using PI and PID Controllers.Mustefa Jibril, Messay Tadese & Reta Degefa - 2020 - New York Science Journal 13 (11):6-9.
    In this paper, a vertically moving base inverted pendulum control analysis has been done using Matlab/Simulink Toolbox. Because the vertically moving base inverted pendulum system is nonlinear and highly unstable, a feedback control system is used to make the system controlled and stable. A PI and PID controllers are used to improve the stability of the pendulum. Comparison of the vertically moving base inverted pendulum using PI and PID controllers for tracking a desired angular position of the system using a (...)
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  4.  19
    Design and Performance Investigation of a Low Cost Portable Ventilator for COVID-19 Patients.Mustefa Jibril, Messay Tadese & Nuriye Hassen - 2020 - Report and Opinion Journal 12 (9):22-26.
    In this paper, the design of a low cost portable ventilator with performance analysis have been done to solve the scarcity of respiratory ventilators for COVID-19 patients. The materials used to build the system are: DC motor, rotating disc and pneumatic piston. The system input is the patient heart beat and the output is volume of air to the patient lung with adjusted breathing rate. This ventilator adjusts the breathing rate to the patient depending on his heart beat rate. The (...)
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  5.  16
    Design and Performance Investigation of a Low Cost Portable Ventilator for COVID-19 Patients.Mustefa Jibril, Messay Tadese & Nuriye Hassen - 2020 - Report and Opinion Journal 12 (9):22-26.
    In this paper, the design of a low cost portable ventilator with performance analysis have been done to solve the scarcity of respiratory ventilators for COVID-19 patients. The materials used to build the system are: DC motor, rotating disc and pneumatic piston. The system input is the patient heart beat and the output is volume of air to the patient lung with adjusted breathing rate. This ventilator adjusts the breathing rate to the patient depending on his heart beat rate. The (...)
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  6.  33
    Design and Simulation of a Steam Turbine Generator Using Observer Based and LQR Controllers.Mustefa Jibril, Messay Tadese & Eliyas Alemayehu -
    Steam turbine generator is an electromechanical system which converts heat energy to electrical energy. In this paper, the modelling, design and analysis of a simple steam turbine generator have done using Matlab/Simulink Toolbox. The open loop system have been analyzed to have an efficiency of 76.92 %. Observer based & linear quadratic regulator (LQR) controllers have been designed to improve the generating voltage. Comparison of this two proposed controllers have been done for increasing the performance improvement to generate a 220 (...)
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  7. Design and Simulation of Voltage Amplidyne System Using Robust Control Technique.Mustefa Jibril, Messay Tadese & Eliyas Alemayehu -
    In this paper, modelling designing and simulation of a simple voltage amplidyne system is done using robust control theory. In order to increase the performance of the voltage amplidyne system with H infinity optimal control synthesis and H infinity optimal control synthesis via gamma-iteration controllers are used. The open loop response of the voltage amplidyne system shows that the system can amplify the input 7 times. Comparison of the voltage amplidyne system with H infinity optimal control synthesis and H infinity (...)
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  8.  37
    Design and Simulation of a Steam Turbine Generator Using Observer Based and LQR Controllers.Mustefa Jibril, Messay Tadese & Eliyas Alemayehu - 2020 - Researcher 12 (6):17-21.
    Steam turbine generator is an electromechanical system which converts heat energy to electrical energy. In this paper, the modeling, design and analysis of a simple steam turbine generator have done using Matlab/Simulink Toolbox. The open loop system have been analyzed to have an efficiency of 76.92 %. Observer based & linear quadratic regulator (LQR) controllers have been designed to improve the generating voltage. Comparison of this two proposed controllers have been done for increasing the performance improvement to generate a 220 (...)
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  9.  13
    Design and Simulation of Voltage Amplidyne System Using Robust Control Technique.Mustefa Jibril, Messay Tadese & Eliyas Alemayehu - 2020 - Researcher Journal 12 (8):13-17.
    In this paper, modelling designing and simulation of a simple voltage amplidyne system is done using robust control theory. In order to increase the performance of the voltage amplidyne system with H optimal control synthesis and H optimal control synthesis via-iteration controllers are used. The open loop response of the voltage amplidyne system shows that the system can amplify the input 7 times. Comparison of the voltage amplidyne system with H optimal control synthesis and H optimal control synthesis via-iteration controllers (...)
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  10.  35
    Design & Control of Vehicle Boom Barrier Gate System Using Augmented H2 Optimal & H Infinity Synthesis Controllers.Mustefa Jibril, Messay Tadese & Tesfabirhan Shoga - 2020 - Researcher Journal 12 (8):5-12.
    A vehicle boom barrier gate system is one of the recently developed technologies operating at the entrances to the restricted areas. This paper aims to design and control of vehicle’s boom barrier gate system using robust augmentation technique. 2 H optimal and H  synthesis controllers are used to improve the performance of the system. The open loop response analysis of the vehicle boom barrier gate system shows that the input of the system need to be improved. Comparison of the (...)
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  11.  14
    H ∞ and Μ -Synthesis Design of Coupled Tanks Level Control.Mustefa Jibril, Messay Tadese & Eliyas Alemayehu Tadese - manuscript
    In this paper, the design and analysis of coupled tank water level control system is done using robust control theory. The main aim of this work is to improve level controlling mechanisms in industries and household areas. In this paper, H ∞ and μ –synthesis controllers are designed to improve the level control system. The coupled tank water level control system is designed using the proposed controller’s comparison and tested for tracking a reference level signals (step, sine wave and random) (...)
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  12.  17
    H ∞ and Μ - Synthesis Design of Coupled Tanks Level Control.Mustefa Jibril, Messay Tadese & Eliyas Alemayehu - 2020 - Researcher 12 (6):22-26.
    In this paper, the design and analysis of coupled tank water level control system is done using robust control theory. The main aim of this work is to improve level controlling mechanisms in industries and household areas. In this paper, H ∞ and μ –synthesis controllers are designed to improve the level control system. The coupled tank water level control system is designed using the proposed controller’s comparison and tested for tracking a reference level signals (step, sine wave and random) (...)
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  13.  13
    Loudspeaker Noise Disturbance Control Using Optimal and Robust Controllers.Mustefa Jibril, Messay Tadese & Fiseha Bogale - 2020 - Preprints 2020 (10):7.
    Noise reduction is the major issue in the loudspeaker for the application of the musical instruments and related areas. In this paper, a noise disturbance control of a loudspeaker with optimal and robust controllers has been done successfully. The noise of the loudspeaker has been analyzed by simply track a reference cone displacement with the actual cone displacement. Static output feedback and H infinity optimal loop shaping controllers have been used to compare the actual and reference cone displacements by using (...)
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  14.  54
    Mechanically Actuated Capacitor Microphone Control Using MPC and NARMA-L2 Controllers.Mustefa Jibril, Messay Tadese & Eliyas Alemayehu - 2020 - Researcher Journal 12 (8):18-23.
    In this paper, a capacitor microphone system is presented to improve the conversion of mechanical energy to electrical energy using a nonlinear auto regressive moving average-L2 (NARMA-L2) and model predictive control (MPC) controllers for the analysis of the open loop and closed loop system. The open loop system response shows that the output voltage signal need to be improved. The comparison of the closed loop system with the proposed controllers have been analyzed and a promising result have been obtained using (...)
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  15.  18
    Modelling and Simulation of Vehicle Windshield Wiper System Using H Infinity Loop Shaping and Robust Pole Placement Controllers.Mustefa Jibril, Messay Tadese & Eliyas Alemayehu Tadese - manuscript
    Vehicle windshield wiper system increases the driving safety by contributing a clear shot viewing to the driver. In this paper, modelling, designing and simulation of a vehicle windshield wiper system with robust control theory is done successfully. H  loop shaping and robust pole placement controllers are used to improve the wiping speed by tracking a reference speed signals. The reference speed signals used in this paper are step and sine wave signals. Comparison of the H  loop shaping and (...)
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  16.  14
    Modeling and Simulation of Vehicle Windshield Wiper System Using H  Loop Shaping and Robust Pole Placement Controllers.Mustefa Jibril, Messay Tadese & Eliyas Alemayehu - 2020 - Report and Opinion Journal 12 (9):14-18.
    Vehicle windshield wiper system increases the driving safety by contributing a clear shot viewing to the driver. In this paper, modelling, designing and simulation of a vehicle windshield wiper system with robust control theory is done successfully. H  loop shaping and robust pole placement controllers are used to improve the wiping speed by tracking a reference speed signals. The reference speed signals used in this paper are step and sine wave signals. Comparison of the H  loop shaping and (...)
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  17.  17
    Modeling and Simulation of Vehicle Windshield Wiper System Using H Infinity Loop Shaping and Robust Pole Placement Controllers.Mustefa Jibril, Messay Tadese & Eliyas Alemayehu - 2020 - Report and Opinion Journal 12 (9):14-18.
    Vehicle windshield wiper system increases the driving safety by contributing a clear shot viewing to the driver. In this paper, modelling, designing and simulation of a vehicle windshield wiper system with robust control theory is done successfully. H infinity loop shaping and robust pole placement controllers are used to improve the wiping speed by tracking a reference speed signals. The reference speed signals used in this paper are step and sine wave signals. Comparison of the H infinity loop shaping and (...)
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  18. Metal Cutting Tool Position Control Using Static Output Feedback and Full State Feedback H2 Controllers.Mustefa Jibril, Messay Tadese & Roman Girma - 2020 - Report and Opinion Journal 12 (9):27-32.
    In this paper, a metal cutting machine position control have been designed and simulated using Matlab/Simulink Toolbox successfully. The open loop response of the system analysis shows that the system needs performance improvement. Static output feedback and full state feedback H 2 controllers have been used to increase the performance of the system. Comparison of the metal cutting machine position using static output feedback and full state feedback H 2 controllers have been done to track a set point position using (...)
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  19.  30
    Modelling Design and Control of an Electromechanical Mass Lifting System Using Optimal and Robust Control Method.Mustefa Jibril, Messay Tadese & Eliyas Alemayehu Tadese - manuscript
    In this paper, an electromechanical mass lifter system is designed, analyzed and compare using optimal and robust control theories. LQR and μ -synthesis controllers are used to improve the lift displacement by comparison method for tracking the desired step and sinusoidal wave signals input. Finally, the comparison simulation result prove the effectiveness of the electromechanical mass lifter system with μ -synthesis controller for improving the rise time, percentage overshoot, settling time and peak value of tracking the desired step displacement signal (...)
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  20.  25
    Modelling Design and Control of an Electromechanical Mass Lifting System Using Optimal and Robust Control Method.Mustefa Jibril, Messay Tadese & Eliyas Alemayehu - 2020 - Researcher 12 (6):52-57.
    In this paper, an electromechanical mass lifter system is designed, analyzed and compare using optimal and robust control theories. LQR and μ -synthesis controllers are used to improve the lift displacement by comparison method for tracking the desired step and sinusoidal wave signals input. Finally, the comparison simulation result prove the effectiveness of the electromechanical mass lifter system with μ -synthesis controller for improving the rise time, percentage overshoot, settling time and peak value of tracking the desired step displacement signal (...)
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  21.  66
    Position and Speed Control of 2 DOF Industrial Robotic Arm Using Robust Controllers.Mustefa Jibril, Messay Tadese & Reta Degefa - 2020 - Scienceopen Journal 2020 (10):8.
    In this paper, a 2 DOF industrial robotic arm is designed and simulated for elbow and wrist angle and velocity performance improvement using robust control method. Mixed H 2 /H ∞ synthesis with regional pole placement and H 2 optimal controllers are used to improve the system output. The open loop response of the robot arm shows that the elbow and wrist angles and velocities need some improvement. Comparison of the proposed controllers for an impulse and step input signals have (...)
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  22.  23
    Position Control of a Solenoid Based Linearly Movable Armature System Using Robust Control Technique.Mustefa Jibril, Messay Tadese & Eliyas Alemayehu - 2020 - In Preprints. pp. 8.
    In this paper, a solenoid based linearly movable armature system is designed using robust control theory in order to improve the performance of the system. Reference track method is the best performance analysis for position control systems. Among the robust controllers, H infinity mixedsensitivity and Mixed H 2 /H∞ with Regional Pole Placement Controllers are used to improve the performance of the system. Comparison of the proposed controllers for tracking a reference displacement signals (step and sine wave) and a promising (...)
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  23.  84
    Position Control of a Three Degree of Freedom Gyroscope Using Optimal Control.Mustefa Jibril, Messay Tadese & Nurye Hassen - 2020 - New York Science Journal 13 (11):1-5.
    In this paper, a 3 DOF gyrscope position control have been designed and controlled using optimal control theory. An input torque has been given to the first axis and the angular position of the second axis have been analyzed while the third axis are kept free from rotation. The system mathematical model is controllable and observable. Linear Quadratic Integral (LQI) and Linear Quadratic State Feedback Regulator (LQRY) controllers have been used to improve the performance of the system. Comparison of the (...)
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  24.  15
    Position Control of a Solenoid Based Linearly Movable Armature System Using Robust Control Technique.Mustefa Jibril, Messay Tadese & Eliyas Alemayehu - 2020 - Report and Opinion Journal 12 (10):34-38.
    In this paper, a solenoid based linearly movable armature system is designed using robust control theory in order to improve the performance of the system. Reference track method is the best performance analysis for position control systems. Among the robust controllers, H infinity mixed-sensitivity and Mixed H 2 /H∞ with Regional Pole Placement Controllers are used to improve the performance of the system. Comparison of the proposed controllers for tracking a reference displacement signals (step and sine wave) and a promising (...)
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  25.  14
    Portable Gantry Crane Payload Angle Limitation Control with the Presence of Trolley Position Vibration Using Optimal Control.Mustefa Jibril, Messay Tadese & Reta Degefa - 2020 - Scienceopen Journal 2020 (10):9.
    In this paper, a portable gantry crane is designed and controlled with the presence of trolley vibration disturbance using robust control technique. In the open loop system, the payload angle is not stable in both the impulse and step input force signals. Comparison of the system with H 2 and μ - synthesis controllers have been done for a step and impulse input force signal and a promising results have been analyzed.
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  26.  17
    Portable Gantry Crane Payload Angle Limitation Control with the Presence of Trolley Position Vibration Using Optimal Control.Mustefa Jibril, Messay Tadese & Reta Degefa - 2020 - New York Science Journal 13 (10):5-9.
    In this paper, a portable gantry crane is designed and controlled with the presence of trolley vibration disturbance using robust control technique. In the open loop system, the payload angle is not stable in both the impulse and step input force signals. Comparison of the system with H 2 and μ - synthesis controllers have been done for a step and impulse input force signal and a promising results have been analyzed.
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  27.  50
    Performance Investigation of Hydraulic Actuator Based Mass Lift System Using MPC and LQR Controllers.Mustefa Jibril, Messay Tadese & Eliyas Alemayehu -
    A hydraulic actuator is a system that can provide a large power amplification in industries and factories. In this paper, mass lifter hydraulic actuator system to a desired displacement is designed using optimal control theory. MPC and LQR controllers are used to design and improve the performance of the hydraulic actuator. The hydraulic actuator system is linearized using Taylor series linearization method and designed using Matlab/Simulink tool. Comparison of the hydraulic actuator with MPC and LQR controllers using three desired output (...)
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  28.  67
    Performance Investigation of Hydraulic Actuator Based Mass Lift System Using MPC and LQR Controllers.Mustefa Jibril, Messay Tadese & Eliyas Alemayehu - 2020 - Researcher Journal 12 (7):1-5.
    A hydraulic actuator is a system that can provide a large power amplification in industries and factories. In this paper, mass lifter hydraulic actuator system to a desired displacement is designed using optimal control theory. MPC and LQR controllers are used to design and improve the performance of the hydraulic actuator. The hydraulic actuator system is linearized using Taylor series linearization method and designed using Matlab/Simulink tool. Comparison of the hydraulic actuator with MPC and LQR controllers using three desired output (...)
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  29. Performance Investigation of a Two Link Manipulator Stability in the Presence of Torque Disturbance Using Optimal Sliding Mode Controller.Mustefa Jibril, Messay Tadese & Reta Degefa - 2020 - Preprints 2020 (10):10.
    In this paper, a two-link manipulator system stability performance is designed and analyzed using Optimal control technique. The manipulator system is highly nonlinear and unstable. The system is modelled using Lagrangian equation and linearized in upward unstable position. The closed loop system is designed using optimal sliding mode controller. The system is compared with a known PID controller with an impulse applied and disturbance torques and a promising results has been obtained.
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  30.  11
    State and Disturbance Estimation of a Linear Systems Using Proportional Integral Observer.Mustefa Jibril, Messay Tadese & Eliyas Alemayehu - 2020 - Report and Opinion Journal 12 (11):1-5.
    This paper offers a short survey of linear systems Proportional-Integral-Observer design. This observer has the capacity to estimate simultaneously the states and unknown inputs which include disturbances or model uncertainties appearing on the system. The design of state and output estimation using PO and state, output and disturbance estimation using PIO is done using Matlab/Simulink successfully. The simulation is done for estimating using PO and PIO and the results proved that estimates the state variables and output correctly when there is (...)
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  31.  16
    Stability Analysis of an Inverted Pendulum on a Cart with the Presence of Restoring and Frictional Forces Disturbance Using Observer Based and Full State Feedback H2 Controllers.Mustefa Jibril, Messay Tadese & Fiseha Bogale - 2020 - Preprints 2020 (10):9.
    In this paper, the stability control of the inverted pendulum on a cart with a disturbance forces has been done using observer based and full state feedback H2 controllers. The Lagrangian equation has been used to model the system equation of motions and linearized the system to the unstable upward position. Comparison of the system stability has been simulated by comparing the proposed controllers using Matlab/Scripts and a promising results has been analyzed successfully.
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  32.  19
    Speed Control of Ward Leonard Layout System Using H Infinity Optimal Control.Mustefa Jibril, Messay Tadese & Eliyas Alemayehu -
    In this paper, modelling designing and simulation of a Ward Leonard layout system is done using robust control theory. In order to increase the performance of the Ward Leonard layout system with H  optimal control synthesis and H  optimal control synthesis via -iteration controllers are used. The open loop response of the Ward Leonard layout system shows that the system needs to be improved. Comparison of the Ward Leonard layout system with H  optimal control synthesis and H (...)
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  33.  38
    Stability Control of a Rotational Inverted Pendulum Using Augmentations with Weighting Functions Based Robust Control System.Mustefa Jibril, Messay Tadese & Eliyas Alemayehu - 2020 - New York Science Journal 13 (10):14-18.
    This paper mainly analyzes the design and control of the rotational inverted pendulum, and presents a state space expression. Since the system is highly unstable a feedback control system is used. Augmentations with weighting functions based mixed sensetivity and H2 optimal control methods are used to make the system stable for uprise position. The rotational inverted pendulum have been simulated and compared with the proposed controllers and a promising results have been analyzed sussesfuly.
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  34.  26
    Temperature Control of Stirred Tank Heater Using Optimal Control Technique.Mustefa Jibril, Messay Tadese & Eliyas Alemayehu - 2020 - Researcher Journal 12 (9):1-6.
    This paper presents the application of optimal control problem in modeling of stirred tank heater temperature control. The analysis of the open loop system shows that the system is not efficient without a controller. Linear Quadratic Gaussian (LQG) and Linear Quadratic Integral (LQI) controllers are used to increase the performance of the system. Comparison of the closed loop system with the proposed controllers have been done with Matlab/Simulink Toolbox and a promising results have been analyzed.
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  35.  36
    Tank Liquid Level Control Using NARMA-L2 and MPC Controllers.Mustefa Jibril, Messay Tadese & Eliyas Alemayehu -
    Liquid level control is highly important in industrial applications such as boilers in nuclear power plants. In this paper a simple liquid level tank is designed based on NARMA-L2 and Model Predictive control controllers. The simple water level tank has one input, liquid flow inn and one output, liquid level. The proposed controllers is compared in MATLAB and then simulated in Simulink to test how the system actual liquid level track the desired liquid level with two input desired signals (step (...)
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  36.  36
    Tank Liquid Level Control Using NARMA-L2 and MPC Controllers.Mustefa Jibril, Messay Tadese & Eliyas Alemayehu - 2020 - Researcher Journal 12 (7):23-27.
    Liquid level control is highly important in industrial applications such as boilers in nuclear power plants. In this paper a simple liquid level tank is designed based on NARMA-L2 and Model Predictive control controllers. The simple water level tank has one input, liquid flow inn and one output, liquid level. The proposed controllers is compared in MATLAB and then simulated in Simulink to test how the system actual liquid level track the desired liquid level with two input desired signals (step (...)
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