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Science Journal

 

Report and Opinion

(Rep Opinion)

ISSN 1553-9873 (print); ISSN 2375-7205 (online), doi prefix: 10.7537, Monthly

Volume 13 - Issue 1, Cumulated 139, January 25, 2021

Cover (jpg), Cover (pdf), Introduction, Contents, Call for Papers

 

The following manuscripts are presented as online first for peer-review, starting from December 15, 2021. 
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CONTENTS  

No.

Titles / Authors /Abstracts

Full Text

No.

1

Fuzzy Coloring Or Fuzzy Graphs Of Fuzzy Chromatic Number Of Middle And Total Fuzzy Graphs

 

*Dr. Satendra Kumar and **Sonu Kumar

 

* Professor, Department of Mathematics, OPJS University, Churu, Rajasthan (India)

**Research Scholar, Department of Mathematics, OPJS University, Churu, Rajasthan (India)

Email: sonukumar1402@gmail.com

 

Abstract: In this a portion of the fuzzy graphs on which are  talked about. At that point fundamental and adequate condition of a fuzzy graph of four vertices on a complete graph to be regular is found and the adequate condition of a fuzzy graph on a complete graph to be regular is likewise talked about. We will likewise read for the given fuzzy graph G: (σ, µ), development fuzzy graph sd (G): (σsd, µsd), square fuzzy graph S 2(G): (σ, µsq) and absolute fuzzy graph T (G): (σ T, µT) of G are characterized. Additionally the isomorphism between the square of the development fuzzy graph and T (G) is talked about. Additionally the middle fuzzy graph M (G) is presented. The relationship of M (G) with sd (G), and T (G) are considered.

[Kumar, S. and Kumar, S. Fuzzy Coloring Or Fuzzy Graphs Of Fuzzy Chromatic Number Of Middle And Total Fuzzy Graphs. Rep Opinion 2021;13(1):1-4]. ISSN 1553-9873 (print); ISSN 2375-7205 (online). http://www.sciencepub.net/report. 1. doi:10.7537/marsroj130121.01.

 

Keywords: Solution, Fuzzy Coloring, Charomatic Number, Fuzzy Graph

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1

2

The audit Report for the evaluation of international patient safety goals in a Private Hospital

 

Dr. Syeda Amber Ali

 

M.B.B.S, MRCP UK, Al Zahra Hospital Ali Pur Chatta

dr.amber.ali14@gmail.com

 

Abstract: The report is conduct for the evaluation of international patient safety goals. While auditing Rana Medical Clinic and Laboratory Service, Jang campus, we observe that the building was built and labeled properly. The building was consisting of four floors and was highly equipped according to the demand of the clinic. The building was clean and disinfected for the patients and their attendants. The clinic was equipped with the medical apparatus and medicines. The clinic was not having a sufficient number of beds for the patients. The clinic hired professional medical staff and nurses. There were 3 shifts of the nursing staff per day and every nurse has 20 patient ratios that provide services and take care of their treatment. The management staff makes sure the daily schedule of the doctor and nursing staff should be displayed at the most visible place. Even the shortage plan of the nurse was also provided by the management staff. The job description and the contact details of every staff member were mentions and documented in the record file of the hospital.

[Dr. Syeda Amber Ali. The audit Report for the evaluation of international patient safety goals in a Private Hospital. Rep Opinion 2021;13(1):5-10]. ISSN 1553-9873 (print); ISSN 2375-7205 (online). http://www.sciencepub.net/report. 2. doi:10.7537/marsroj130121.02.

 

Key words: audit report, patient safety goals

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2

3

Speed Control of Ward Leonard Layout System using H  Optimal Control

 

Mustefa Jibril 1, Messay Tadese 2, Eliyas Alemayehu Tadese 3

 

1. School of Electrical & Computer Engineering, Dire Dawa Institute of Technology, Dire Dawa, Ethiopia

2. School of Electrical & Computer Engineering, Dire Dawa Institute of Technology, Dire Dawa, Ethiopia

3. Faculty of Electrical & Computer Engineering, Jimma Institute of Technology, Jimma, Ethiopia 

mustefazinet1981@gmail.com

 

Abstract: 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 optimal control synthesis via -iteration controllers to track a desired step speed input have been done. Finally, the comparative simulation results prove the effectiveness of the proposed Ward Leonard layout system with H optimal control synthesis controller in improving the percentage overshoot and the settling time.

[Mustefa Jibril, Messay Tadese, Eliyas Alemayehu Tadese. Speed Control of Ward Leonard Layout System using H  Optimal Control. Rep Opinion 2021;13(1):11-15]. ISSN 1553-9873 (print); ISSN 2375-7205 (online). http://www.sciencepub.net/report. 3. doi:10.7537/marsroj130121.03.

 

Keywords: Ward Leonard layout, H optimal control synthesis controller, H optimal control synthesis via -iteration controller

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3

4

Modeling and Simulation of a Horizontally Moving Suspended Mass Pendulum Base using H Optimal Loop Shaping Controller with First and Second Order Desired Loop Shaping Functions

 

Mustefa Jibril1, Messay Tadese2, Reta Degefa3

 

1 Msc, School of Electrical & Computer Engineering, Dire Dawa Institute of Technology, Dire Dawa, Ethiopia

2 Msc, School of Electrical & Computer Engineering, Dire Dawa Institute of Technology, Dire Dawa, Ethiopia

3 Msc, School of Electrical & Computer Engineering, Dire Dawa Institute of Technology, Dire Dawa, Ethiopia

mustefa.jibril@ddu.edu.et

 

Abstract: In this paper, a horizontally moving suspended mass pendulum base is designed and controlled using robust control theory.  optimal loop shaping with first and second order desired loop shaping function controllers are used to improve the performance of the system using Matlab/Simulink Toolbox. Comparison of the  optimal loop shaping with first and second order desired loop shaping function controllers for the proposed system have been done to track the desired angular position of the pendulum using step and sine wave input signals and a promising result has been obtained succesfully.

[Mustefa Jibril, Messay Tadese, Reta Degefa. Modeling and Simulation of a Horizontally Moving Suspended Mass Pendulum Base using H Optimal Loop Shaping Controller with First and Second Order Desired Loop Shaping Functions. Rep Opinion 2021;13(1):16-19]. ISSN 1553-9873 (print); ISSN 2375-7205 (online). http://www.sciencepub.net/report. 4. doi:10.7537/marsroj130121.04.

 

Keywords: Pendulum,  optimal loop shaping, Track

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4

5

Stability Control of a Rotational Inverted Pendulum using Augmentations with Weighting Functions Based Robust Control System

 

Mustefa Jibril 1, Messay Tadese 2, Eliyas Alemayehu Tadese 3

 

1. School of Electrical & Computer Engineering, Dire Dawa Institute of Technology, Dire Dawa, Ethiopia

2. School of Electrical & Computer Engineering, Dire Dawa Institute of Technology, Dire Dawa, Ethiopia

3. Faculty of Electrical & Computer Engineering, Jimma Institute of Technology, Jimma, Ethiopia 

mustefazinet1981@gmail.com

 

Abstract: 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 sensitivity and H2 optimal control methods are used to make the system stable for up rise position. The rotational inverted pendulum have been simulated and compared with the proposed controllers and a promising results have been analyzed successfully.

[Mustefa Jibril, Messay Tadese, Eliyas Alemayehu Tadese. Stability Control of a Rotational Inverted Pendulum using Augmentations with Weighting Functions Based Robust Control System. Rep Opinion 2021;13(1):20-25]. ISSN 1553-9873 (print); ISSN 2375-7205 (online). http://www.sciencepub.net/report. 5. doi:10.7537/marsroj130121.05.

 

Keywords: Inverted pendulum, Augmentation, Mixed sensitivity, H2 optimal

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5

6

Comparison of Neural Network Based Controllers for Nonlinear EMS Magnetic Levitation Train

 

Mustefa Jibril*, Eliyas Alemayehu Tadese**, Messay Tadese***

 

*(School of Electrical & Computer Engineering, Dire Dawa Institute of Technology, Dire Dawa, Ethiopia

Email: mustefazinet1981@gmail.com)

** (Faculty of Electrical & Computer Engineering, Jimma Institute of Technology, Jimma, Ethiopia)

*** (School of Electrical & Computer Engineering, Dire Dawa Institute of Technology, Dire Dawa, Ethiopia)

 

Abstract: Magnetic levitation system is operated primarily based at the principle of magnetic attraction and repulsion to levitate the passengers and the train. However, magnetic levitation trains are rather nonlinear and open loop unstable which makes it hard to govern. In this paper, investigation, design and control of a nonlinear Maglev train based on NARMA-L2, model reference and predictive controllers. The response of the Maglev train with the proposed controllers for the precise role of a Magnetic levitation machine have been as compared for a step input signal. The simulation consequences prove that the Maglev teach system with NARMA-L2 controller suggests the quality performance in adjusting the precise function of the system and the device improves the experience consolation and street managing criteria.

[Mustefa Jibril, Eliyas Alemayehu Tadese, Messay Tadese. Comparison of Neural Network Based Controllers for Nonlinear EMS Magnetic Levitation Train. Rep Opinion 2021;13(1):26-29]. ISSN 1553-9873 (print); ISSN 2375-7205 (online). http://www.sciencepub.net/report. 6. doi:10.7537/marsroj130121.06.

 

Keyword: - Maglev train, NARMA-L2 controller, model reference controller, predictive controller

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6

7

Comparison of PID and MPC Controllers for Continuous Stirred Tank Reactor (CSTR) Concentration Control

 

Mustefa Jibril1, Messay Tadese2, Eliyas Alemayehu Tadese3

 

1 Msc, School of Electrical & Computer Engineering, Dire Dawa Institute of Technology, Dire Dawa, Ethiopia

2 Msc, School of Electrical & Computer Engineering, Dire Dawa Institute of Technology, Dire Dawa, Ethiopia

3 Msc, Faculty of Electrical & Computer Engineering, Jimma Institute of Technology, Jimma, Ethiopia

 

Abstract: Continuous Stirred Tank Reactor (CSTR) is a major area in process, chemical and control engineering. In this paper, PID and MPC controllers are designed for CSTR in order to analyze the output concentration of the system by comparing the two proposed systems using Matlab/Simulink. Comparison have been made using two desired concentration input (Random reference and step) signals with and without input side disturbance (Flow rate error). The simulation result shows that the continuous stirred tank reactor with MPC controller have better response in minimizing the overshoot and tracking the desired concentration for the system without input disturbance and with the effect of the disturbance makes the continuous stirred tank reactor with MPC controller output with small fluctuations and still better than the continuous stirred tank reactor with PID controller. Finally the comparative analysis and simulation results prove the effectiveness of the continuous stirred tank reactor with MPC controller.

[Mustefa Jibril, Messay Tadese, Eliyas Alemayehu Tadese. Comparison of PID and MPC Controllers for Continuous Stirred Tank Reactor (CSTR) Concentration Control. Rep Opinion 2021;13(1):30-37]. ISSN 1553-9873 (print); ISSN 2375-7205 (online). http://www.sciencepub.net/report. 7. doi:10.7537/marsroj130121.07.

 

Keywords: Continuous Stirred Tank Reactor (CSTR), PID controller, MPC controller

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7

8

Comparisons of Fuzzy MRAS and PID Controllers for EMS Maglev Train

 

Mustefa Jibril1, Eliyas Alemayehu Tadese2

 

1 Msc, Department of Electrical & Computer Engineering, Dire Dawa Institute of Technology, Dire Dawa, Ethiopia

2 Msc, Faculty of Electrical & Computer Engineering, Jimma Institute of Technology, Jimma, Ethiopia

E-mail: mustefazinet1981@gmail.com.

 

Abstract: In this paper, a Magnetic Levitation (MAGLEV) train is designed with a first degree of freedom electromagnet-based totally system that permits to levitate vertically up and down. Fuzzy logic, PID and MRAS controllers are used to improve the Magnetic Levitation train passenger comfort and road handling. A matlab Simulink model is used to compare the performance of the three controllers using step input signals. The stability of the Magnetic Levitation train is analyzed using root locus technique. Controller output response for different time period and change of air gap with different time period is analyzed for the three controllers. Finally the comparative simulation and experimental results demonstrate the effectiveness of the presented fuzzy logic controller.

[Mustefa Jibril, Eliyas Alemayehu Tadese. Comparisons of Fuzzy MRAS and PID Controllers for EMS Maglev Train. Rep Opinion 2021;13(1):38-43]. ISSN 1553-9873 (print); ISSN 2375-7205 (online). http://www.sciencepub.net/report. 8. doi:10.7537/marsroj130121.08.

 

Keyword: - Magnetic Levitation (MAGLEV) train, Fuzzy logic, PID, MRAS

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8

9

The Continuation of "Futurism" in Journalism: Reconstructing Virtual Reality News Documentaries

 

Yuehong Chen 1,2, Yinong Yang2

 

1. Social Sciences and Law, School of Humanities and S.S. & Law, Harbin Institute of Technology, Harbin, Heilongjiang, China

2. Department of New Media and Art, Harbin Institute of Technology, Harbin, Heilongjiang, China

 

Abstract: A large number of news production teams are trying new technical tools to enhance the user experience, enhance the narrative expression strength, in order to achieve the ultimate goal of meeting user needs. In the collision between news documentary and virtual reality technology, although gradually mature works and production methods are preconceived, conceptual classification still needs to be discussed in depth, and even cleared up and reconstructed. In the years since Noni de la Pena's concept of "immersive journalism" and related works were officially launched, the concept of virtual reality journalism has been repeatedly debated by journalism disciplines and interdisciplinary fields combined with the application of technical tools. The author based on the study to more clearly the concept of virtual reality news documentary restructuring, and the continuation of the virtual reality technology applied in journalism "futuristic" thought, make the new media such as news documentary works of art in the field of journalism can have more clear positioning, and then follows the law of development, improve the aesthetic experience.

[Yuehong Chen. Yinong Yang. The Continuation of "Futurism" in Journalism: Reconstructing Virtual Reality News Documentaries. Rep Opinion 2021;13(1):44-49]. ISSN 1553-9873 (print); ISSN 2375-7205 (online). http://www.sciencepub.net/report. 9. doi:10.7537/marsroj130121.09.

 

Key words: News documentary; Virtual reality; Refactoring; The future of socialism

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9

The manuscripts in this issue were presented as online first for peer-review, starting from December 15, 2020. 

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doi prefix: 10.7537
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