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12th Asia Conference on Mechanical and Aerospace engineering, ACMAE 2021

作者： Xu, Jing Cui, Yebing Song, Bing Chen, Tong Wang, Kai Student Innovation Center Shanghai Jiao Tong University Shanghai China Shanghai Institute of Spaceflight Control Technology Shanghai China College of Automation Engineering Nanjing University of Aeronautics and Astronautics Nanjing China

According to the demand of aerospace electromechanical servo system, a new type of fault-tolerant dual three-phase permanent magnet motor(PMSM) and its control system with simple structure, high reliability and high power density are proposed. The dual three-phase PMSM's structure and control model are introduced, the fault-tolerant control algorithm for dual three-phase PMSM is proposed, the simulation model is built and the fault-tolerant control simulation analysis is carried out, Based on the dSPACE control platform, the performance of the synchronous motor prototype is tested, the motor test results show the feasibility of the dual three-phase PMSM and its fault-tolerant control algorithm, which establishes the engineering foundation for the further study of high-reliability electromechanical servo systems. © Published under licence by IOP Publishing Ltd.

关键词： Synchronous motors

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Optical Data Center Implementation within Data Center Networks Context Based on Mininet 2

Optical Data Center Implementation within Data Center Networ...

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2nd International engineering Conference on Electrical, Energy, and Artificial Intelligence, EICEEAI 2023

作者： Abdulmahdi, Esraa Ali Ali, Adnan Hussein Ibrahim, Raed Khalid Al-Askery, Ali Alhamdane, Hayder Jasim Mahmood, Amal Ibrahim Electrical Engineering College Middle Technical University Student at Dept. of Computer Engineering Techniques Baghdad Iraq Institute of Technology Middle Technical University Electrical Techniques Department Baghdad Iraq Al-Farahidi University Department of Medical Instruments Engineering Techniques Baghdad Iraq Electrical Engineering College Middle Technical University Department of Control and Automation Technical Engineering Baghdad Iraq College of Applied Arts Middle Technical University Baghdad Iraq Electrical Engineering College Middle Technical University Dept. of Computer Engineering Techniques Baghdad Iraq

ISBN: (纸本)9798350373363

The technology of reconfigurable optical networks (RONs) is growing to be a promising solution to effectively cater to the rapidly increasing traffic generated by the digital society. Optical technology emerges as a viable alternative because to its capacity to offer a substantial bandwidth, little latency, and enhanced overall performance. Nevertheless, it is imperative to effectively manage the physical resources comprising a data center. This study provides an experimental demonstration of the RONs, which is enhanced by a control plane. The implementation relies on the monitoring of real-time network statistics. This enables the execution of various activities, including as network slice provisioning and reconfiguration, assignment of packet priority classes, and dynamic operations. These actions are performed to ensure the attainment of the desired Quality of Service level. The experimental results show the successfully implementation of RONs using Mininet Emulator and sFlow traffic monitoring technology. The results approve that optical datacenter has minimum delay with low OSNR even with long distance and fast switching time. © 2023 IEEE.

关键词： Optical switches

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Thin Film Spectral Measurement System Developed Based on Micro Spectrometer

Thin Film Spectral Measurement System Developed Based on Mic...

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International Conference on Advanced Robotics and Intelligent Systems (ARIS)

作者： Ciao-Ming Tsai Ting-Wen Weng Wei-Yi Kong Chang-Ting Yang Cheng-Hao Ko Department of Power Mechanical Engineering National Tsing Hua University PhD Student Hsinchu Taiwan Department of Graduate Institute of Automation and Control National Taiwan University of Science and Technology MS student Taipei Taiwan Department of Material and Chemical Research Laboratories Industrial Technology Research Institute Research Fellow Hsinchu Taiwan

Thin film technology has wide applications in several fields such as semiconductor manufacturing, biochemical sensors, solar cells and more. However, the instruments used to detect the properties of thin films remain bulky and expensive. In this study, we use a micro spectrometer fabricated using MEMS (Micro-Electro-Mechanical Systems) technology to design a system for thin film spectral measurements. The performance of this measurement system is validated using a quantum dot film. We also measured the interference spectrum of the quantum dot film in a sealed gas chamber environment. A reaction between the film and water vapor was observed, where the adsorption of water vapor by the film resulted in a shift of the interference spectral peak towards a longer wavelength. Regression analysis revealed a strong correlation (R 2 >0.95) between the wavelength shift of the peak and the relative humidity within the gas chamber.

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Optical Data Center Implementation within Data Center Networks Context Based on Mininet

Optical Data Center Implementation within Data Center Networ...

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Electrical, Energy, and Artificial Intelligence (EICEEAI), International engineering Conference on

作者： Esraa Ali Abdulmahdi Adnan Hussein Ali Raed Khalid Ibrahim Ali Al-Askery Hayder Jasim Alhamdane Amal Ibrahim Mahmood Student at Dept. of Computer Engineering Techniques Electrical Engineering College Middle Technical University Baghdad Iraq Electrical Techniques Department Institute of Technology Middle Technical University Baghdad Iraq Department of Medical Instruments Engineering Techniques Al-Farahidi University Baghdad Iraq Department of Control and Automation Technical Engineering Electrical Engineering College Middle Technical University Baghdad Iraq College of Applied Arts Middle Technical University Baghdad Iraq Dept. of Computer Engineering Techniques Electrical Engineering College Middle Technical University Baghdad Iraq

ISBN: (数字)9798350373363

ISBN: (纸本)9798350373370

关键词： Data centers Optical switches Optical fiber networks Traffic control Real-time systems Service-oriented architecture Monitoring

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Implementation of a prototype water electrolysis system as an alternative to produce hydrogen

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IOP Conference Series: Materials Science and engineering 2021年第1期1154卷

作者： B E Tarazona-Romero C L Sandoval-Rodriguez J G Ascanio-Villabona A Quintero-Ruiz R E Páez-Castro O A Acosta-Cárdenas Automation and Control Energy Systems Research Group (GISEAC) Faculty of Natural Sciences and Engineering Electromechanical engineering Unidades Tecnologicas de Santander (UTS) Student Street No 9-82 680005 Bucaramanga Colombia Energy in Building research group (ENEDI) Doctoral Program in Energy Efficiency and Sustainability in Engineering and Architecture Department of Machines and Thermal Engines University of the Basque Country (UPV / EHU) Engineer Torres Quevedo Square 1 48013 Bilbao BI Spain Doctoral Program in Electronic and Communications Department of Communications Engineering University of the Basque Country UPV/EHU 48013 Bilbao Spain

The objective of the development of the prototype or scale model of production of hydrogen and oxygen through the electrolysis process of water is to generate an alternative with a sustainable approach, which proposes the supply or source of energy initially with a direct current power source. replaceable in the future by a photovoltaic solar system. For the development of the prototype, it began with the academic compilation of information, then the model was made in CAD, followed by the need to integrate an electronic control system and a mechanical system to obtain the final model, materials were selected and used premises for the development of the two systems, the electronic and physical schematization was carried out, chaired by the assembly and field experimentation. It is important to highlight that the constructed scale model generates hydrogen and oxygen with a low current consumption and a constant voltage, the maximum point of gas generation is the maximum point of energy consumption and its relationship is almost linear.

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Sizing of a sustainable condensation system for the production of sweet water through the use of photovoltaic panels in La Mesa de los Santos, Santander, Colombia

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IOP Conference Series: Materials Science and engineering 2021年第1期1154卷

作者： B E Tarazona-Romero A-J Rodriguez Nieves C L Sandoval-Rodriguez J G Ascanio-Villabona M-A Duran-Sarmiento A-D Rincon-Quintero Automation and Control Energy Systems Research Group (GISEAC) Faculty of Natural Sciences and Engineering Electromechanical engineering Unidades Tecnologicas de Santander (UTS) Student Street No 9-82 680005 Bucaramanga Colombia Energy in Building research group (ENEDI) Doctoral Program in Energy Efficiency and Sustainability in Engineering and Architecture Department of Machines and Thermal Engines University of the Basque Country (UPV / EHU) Engineer Torres Quevedo Square 1 48013 Bilbao BI Spain Doctoral Program in Electronic and Communications Department of Communications Engineering University of the Basque Country UPV/EHU 48013 Bilbao Spain

The objective of the project is to carry out the dimensioning of a photovoltaic system that allows its integration with a condensation system for the production of fresh water in isolated areas (Rural), in such a way that a sustainable condensation application capable of producing water is generated. sweet to supply small groups of inhabitants in areas where the basic supply of liquid is deficient. The study area is the Department of Santander, Colombia, specifically in the Municipality of los Santos and the area known as Mesa de los Santos, in which difficult geographical conditions are presented such as: altitude of 1650 meters above sea level and deficiency in aquifers. The methodological development proposes the analysis of the meteorological conditions of the area, the identification, selection and dimensioning of the condensing system and the photovoltaic system through the amp-hour method and the software system advisor model (SAM). Additionally, a CAD model is developed to obtain the complete schematization of the model and carry out a simulation process to analyze the behavior of the integration of the aforementioned systems. Finally, a techno-economic analysis of the proposed system is carried out.

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Semi-Global Output Containment control of Linear Multi-agent Systems with Actuator Saturation

Semi-Global Output Containment Control of Linear Multi-agent...

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第37届中国控制会议

作者： Liangren Shi Zongli Lin Student Innovation Center and Department of Automation Shanghai Jiao Tong Universityand Key Laboratory of System Control and Information Processing of the Ministry of Education Charles L. Brown Department of Electrical and Computer Engineering University of Virginia

In this paper, we study the semi-global output containment control problem of a multi-agent system in the presence of actuator saturation over a directed network. The leader and follower agents are of different dynamics, and the follower agents are affected by disturbances generated by the leader agents through directed paths in the communication topology. The control objective of the output containment control is to drive the output trajectories of the follower agents to converge to the convex hull spanned by the outputs of the leader agents in the presence of disturbances. Low gain feedback containment protocols are constructed based on the output regulation approach and distributed observers. It is shown that semi-global output containment control can be achieved by the proposed protocols, if each follower agent is connected to at least one leader agent through a directed path in the communication topology. Simulation results verify the theoretical conclusions.

关键词： Multi-agent systems output containment control output regulation low gain feedback actuator saturation

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LabVIEW based PV cell characterization and MPPT under varying temperature and irradiance conditions

LabVIEW based PV cell characterization and MPPT under varyin...

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Nirma University International Conference on engineering (NUiCONE)

作者： Vishwanath Nanjannavar Pallav Gandhi Nital Patel M. Tech(Control and Automation) student Novatrice technologies Pvt. Ltd. Ahmedabad Gujarat India Instrumentation and control engineering Nirma university Ahmedabad Gujarat India

This paper presents an analysis of variations in the output characteristics of the mono-crystalline silicon PV cell under different temperature and irradiance levels using LabVIEW as the simulation tool. The base of study is mathematical modeling of PV cell characteristics using the well-known one-diode equivalent model in LabVIEW. The designed tool computes and displays current-voltage (I-V) curves, power-voltage (P-V) curves, maximum power point values (V m , I m and P m ), operating power point plot, fill factor (FF), cell efficiency (η), optimal load resistance (R') for maximum power, open-circuit voltage (V oc ), short-circuit current (I sc ) and saturation current (I o ) over a range of cell temperature and irradiation levels. The user provides essential parameters as inputs on the front panel in LabVIEW from the datasheet which are given for standard test conditions (STC). The developed tool facilitates the prediction of PV cell behavior over a range of temperatures and irradiance levels other than STC. The results obtained from the simulation tool have matched well with the datasheet values, hence validating the tool. The model is flexible in the sense that it can be applied to PV cells of any size from any manufacturer. The values of series and shunt resistances are selected so as to have least effect on the output characteristics.

关键词： Temperature Resistance Mathematical model Radiation effects Load modeling Photovoltaic cells Short-circuit currents

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REAL-TIME SLIDING-MODE ADAPTIVE control OF A MOBILE PLATFORM WHEELED MOBILE ROBOT

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IFAC Proceedings Volumes 2008年第2期41卷 4393-4399页

作者： A. Filipescu AL. Stancu S. Filipescu G. Stamatescu Department of Automation and Industrial Informatics Student in Electrical Engineering University “Dunarea de Jos” of Galati Domneasca 47 Galati 800008 Romania Student in Automatic Control Polytechnic University of Bucharest Splaiul Independentei 313 Bucharest 060042 Romania

This paper presents parameter identification and discrete-time adaptive sliding-mode controller applied to control the mobile platform Pioneer 3-DX wheeled mobile robot (WMR) with 5-DOF manipulator. The dynamic model for mobile robot with two driving wheels, time–varying mass and moment of inertia have been used in sliding-mode control. Two closed-loop, on-line parameter estimators have been used in order to achieve robustness against parameter uncertainties (robot mass and moment of inertia). Two sliding-mode adaptive controllers have been designed corresponding to angular and linear motion. This paper presents closed-loop, circular trajectory tracking real-time control for the mobile robot Pioneer 3-DX.

关键词： Discrete-time Pioneer 3-DX model sliding-mode adaptive control online parameter estimation

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TRACKING control IN THE PRESENCE OF NONLINEAR DYNAMIC FRICTIONAL EFFECTS: ROBOT EXTENSION

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Asian Journal of control 2008年第3期1卷

作者： M. Feemster D.M. Dawson A. Behal W. Dixon Matthew Feemster received the B.S degree in Electrical Engineering from Clemson University Clemson South Carolina in December 1994. Upon graduation he remained at Clemson University and received the M.S. degree in Electrical Engineering in 1997. During this time he also served as a research/teaching assistant. His research work focused on the design and implementation of various nonlinear control algorithms with emphasis on the induction motor and mechanical systems with friction present. He is currently working toward his Ph.D. degree in Electrical Engineering at Clemson University. Darren M. Dawson was born in 1962 in Macon Georgia. He received an Associate Degree in Mathematics from Macon Junior College in 1982 and a B.S. Degree in Electrical Engineering from the Georgia Institute of Technology in 1984. He then worked for Westinghouse as a control engineer from 1985 to 1987. In 1987 he returned to the Georgia Institute of Technology where he received the Ph.D. Degree in Electrical Engineering in March 1990. During this time he also served as a research/teaching assistant. In July 1990 he joined the Electrical and Computer Engineering Department and the Center for Advanced Manufacturing (CAM) at Clemson University where he currently holds the position of Professor. Under the CAM director's supervision he currently leads the Robotics and Manufacturing Automation Laboratory which is jointly operated by the Electrical and Mechanical Engineering departments. His main research interests are in the fields of nonlinear based robust adaptive and learning control with application to electro-mechanical systems including robot manipulators motor drives magnetic bearings flexible cables flexible beams and high-speed transport systems. Aman Behal was born in India in 1973. He received his Masters Degree in Electrical Engineering from Indian Institute of Technology Bombay in 1996. He is currently working towards a Ph.D in Controls and Robotics at Clemson University. His research focuses on the control of no

In this paper, we extend the observer/control strategies previously published in [25] to an n -link, serially connected, direct drive, rigid link, revolute robot operating in the presence of nonlinear friction effects modeled by the Lu-Gre model. In addition, we also present a new adaptive control technique for compensating for the nonlinear parameterizable Stribeck effects. Specifically, an adaptive observer/controller scheme is developed which contains a feedforward approximation of the Stribeck effects. This feedforward approximation is used in a composite controller/observer strategy which forces the average square integral of the position tracking error to an arbitrarily small value. Experimental results are included to illustrate the performance of the proposed controllers.

关键词： Friction compensation nonlinear control

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