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63rd IEEE Conference on Decision and control, CDC 2024

作者： Astolff, A. Beck, C.L. Bhattacharjee, D. Kawano, Y. Moreschini, A. Sandberg, H. Scherpen, J.M.A. Imperial College London Department of Electrical and Electronic Engineering United Kingdom Università di Roma 'Tor Vergata' Dipartimento di Ingegneria Civile e Ingegneria Informatica Italy Univ. of Illinois at Urbana-Champaign IL United States Hiroshima University Graduate School of Advanced Science and Engineering Japan Kth Royal Institute of Technology Stockholm Sweden Engineering and Technology Institute Groningen Faculty of Science and Engineering University of Groningen Jan C. Willems Center for Systems and Control Netherlands

ISBN: (纸本)9798350316339

The approximation of complex dynamical systems models by reduced order models has been considered an important research problem for over four decades, not only in the field of control, but also in economics, image processing, circuit analysis, statistical mechanics, aircraft structures, and more recently in hybrid energy systems, to name just a sampling of fields. In this paper, we provide an overview of the development of balanced truncation and interpolation approaches for reducing linear and non-linear dynamical systems models for the purpose of control analysis and design. © 2024 IEEE.

关键词： Importance sampling

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A Review of EMF Radiation for 5G Mobile Communication Systems

A Review of EMF Radiation for 5G Mobile Communication System...

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2021 IEEE Asia-Pacific Conference on Applied Electromagnetics, APACE 2021

作者： Elbasheir, Mohammed S. Saeed, Rashid A. Ibrahim, Abeer A. Z. Edam, Salah Hashim, Fazirulhisyam Fadul, Saber M. E. Khartoum Sudan Department of Computer and Communication Systems Engineering Faculty of Engineering Universiti Putra Malaysia Malaysia Department of Electrical and Electronics Engineering Faculty of Engineering Universiti Putra Malaysia Serdang43400 Malaysia

ISBN: (纸本)9781665428279

5G is projected to be the dominating technology for mobile networks in the next years. The deployment of 5G is expected to substantially raise power density levels, which are necessary to cover a specific area of concern by a significant increase in base station numbers. Overall radiation levels pose a challenge for installing massive 5G base stations, especially in residential areas. This paper reviews current state of EMF radiation evaluation for 5G base stations (BS) on humans. This review covers the international standards exposure limits adopted by the International Commission on Non-Ionizing Radiation Protection (ICNIRP) and the Federal Communications Commission (FCC) USA, and also reviews some recent studies found related to Electromagnetic field (EMF) radiation evaluation and analysis from different perspectives, we show their work methodologies and results. The reviewed cases are classified into two main categories, assessment based on simulation model and assessment based on filed measurement. Both categories have the same objective to assess and evaluate the EMF radiation exposure from BSs. © 2021 IEEE.

关键词： Base stations

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Performance Evaluation Customer Access Network Using Difference Modulation Technique 1st

Performance Evaluation Customer Access Network Using Differe...

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1st International Symposium on Systems Modelling and Simulation, SMS 2024

作者： Mugunthan, Sivaguru Abdul Rahman, Juwairiyyah Abu Hassan, Hasliza Muslim, Norliana Ab Rahman, Mohammad Syuhaimi Department of Engineering Faculty of Engineering and Life Sciences Universiti Selangor Selangor Bestari Jaya45600 Malaysia Department of Computer and Communication Technology Universiti Tunku Abdul Rahman Perak Kampar31900 Malaysia Department of Electrical Electronic and System Engineering Faculty of Engineering and Built Environment Universiti Kebangsaan Malaysia Bangi Malaysia

ISBN: (纸本)9789819646128

Modeling Fiber To The Home (FTTH) networks involves several technical aspects and design considerations to enable effective and high-quality service delivery. This research seeks to boost the received signal quality for end-users inside a FTTH network. In order to create suitable and high-quality FTTH networks, this study will simulate FTTH networks utilizing network feasibility criteria, with an emphasis on BER and Q-factor. The signal distribution inside access networks is improved using Wavelength Division Multiplexing (WDM) and 10G-Passive Optical Network (PON) technology is used since it can deliver a fourfold improvement in downstream data transfer rates per user. Simulation result using OptiSystem 21 software, by setting transmitter wavelengths of 1490 nm and 1550 nm with a loss of 0 dB for a maximum of 2 users for total access based on the Q-factor calculation, which must be more than 6, while the BER must be less than 1 × e−9. System performance parameters that demonstrate Q-factor and Bit Error Rate (BER) give good quality and good performance is also shown by eye pattern in optical simulation. For 1490 nm, the highest Q-factor for 2 users is 35.8226, with a minimum BER of 2.4360 × 10−281. For 1550 nm, the highest Q-factor is 15.3668 (in phase) and 14.8087 (in quadrature), with minimal BER values of 1.3674 × e−53 (in phase) and 6.4291 × e−50 (in quadrature). Good performance is also shown by eye pattern in optical simulation that displays amplitude signals. © The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2025.

关键词： Q factor measurement

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Cascaded Design for Robust Trajectory Tracking control of an Underactuated Surface Vehicle

Cascaded Design for Robust Trajectory Tracking Control of an...

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2021 China Automation Congress, CAC 2021

作者： Chen, Ziyin Ge, Shuzhi Sam Department of Control Engineering Beijing Institute of Space Mechanics & Electricity Beijing China Department of Electrical & Computer Engineering National University of Singapore Singapore Singapore

ISBN: (纸本)9781665426473

The trajectory tracking control problem for an underactuated surface vehicle is addressed in this paper based on the cascaded design. The tracking error dynamics are established with the reference trajectories generated by a virtual target vehicle and converted into a novel cascaded structure, then the primitive control problem can be decomposed into the stabilization problems for the two interconnected systems, which is different from the Lyapunov based recursive design that relies heavily on constructing the Lyapunov function for the overall system. Moreover, the persistent of excitation condition on the yaw angle can be removed in the resulted cascaded structure. Sliding mode control method is utilized to stabilize the states under model uncertainties for the perturbing system. Then, the satisfaction of the sufficient conditions for the the stability of the cascaded system is verified. Finally, the simulation results are presented to show the effectiveness of the proposed robust cascaded control. © 2021 IEEE

关键词： Sliding mode control

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Equilibrium-Independent control of Continuous-Time Nonlinear Systems via the LPV Framework - Extended Version

arXiv

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arXiv 2023年

作者： Koelewijn, Patrick J.W. Weiland, Siep Tóth, Roland The Control Systems Group Department of Electrical Engineering Eindhoven University of Technology Eindhoven Netherlands The Systems and Control Laboratory Institute for Computer Science and Control Budapest Hungary

In this paper, we consider the analysis and control of continuous-time nonlinear systems to ensure universal shifted stability and performance, i.e., stability and performance w.r.t. each forced equilibrium point of the system. This "equilibrium-free" concept is especially beneficial for control problems that require the tracking of setpoints and rejection of persistent disturbances, such as input loads. In this paper, we show how the velocity form, i.e., the time-differentiated dynamics of the system, plays a crucial role in characterizing these properties and how the analysis of it can be solved by the application of Linear Parameter-Varying (LPV) methods in a computationally efficient manner. Furthermore, by leveraging the properties of the velocity form and the LPV framework, a novel controller synthesis method is presented which ensures closed-loop universal shifted stability and performance. The proposed controller design is verified in a simulation study and also experimentally on a real system. Additionally, we compare the proposed method to a standard LPV control design, demonstrating the improved stability and performance guarantees of the new approach. Copyright © 2023, The Authors. All rights reserved.

关键词： controllers

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A medical history card utilizing the Blockchain technology

A medical history card utilizing the Blockchain technology

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Human-computer Interaction, Optimization and Robotic Applications (HORA), International Congress on

作者： Samiha Fairooz Shakila Yeasmin Miti Zihadul Islam Meem Tasfia Zaman Faculty of Sciences Engineering and Technology University of Adelaide Adelaide South Australia Department of Electrical and Computer Engineering North South University Dhaka Bangladesh

An authoritative healthcare system guarantees access to high-quality medical care to the population to boost their comprehensive health condition in the most effective means. The Blockchain technology is anticipated to make animminent change in the entire healthcare entity by securing the electronic medical records. The paper intends to put emphasison a web application especially, a medical history card with a vision of overcoming the deficiencies of the existing healthcare system of Bangladesh. Notwithstanding that, this researchlikewise delineates the ability of the decentralized database of the Blockchain technology to improvise the respective system. In particular, the aforementioned card highlights a patient's particulars, diagnoses, prescriptions, vaccinations, drug history, investigation profile, family history, blood transfusion history, and many more since birth. These records are the key to having a successful treatment whatsoever. With this in mind, the history card would securely upgrade the current healthcare world.

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Enhanced Artificial Algae Algorithm based Distributed Generation Placement for Voltage Profile Enhancement 2

Enhanced Artificial Algae Algorithm based Distributed Genera...

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2nd International Conference on Applied Artificial Intelligence and Computing, ICAAIC 2023

作者： Hussain, K. Mulani, Umar Mubarak Kumar, B.Suresh Parte, Smita Athanere Patra, Jyoti Prasad Kumar Reddy, P. Naresh Department of Electrical Engineering Maharashtra Kolhapur India Padmabhooshan Vasantraodada Patil Institute of Technology Department of Computer Science and Engineering Maharashtra Budhgaon India Chaitanya Bharathi Institute of Technology Department of Eee Telangana Hyderabad India Mits Gwalior Department of Cse Madhya Pradesh India Faculty Electrical Odisha University of Technology and Research Outr Govt of Odisha Mahalaxmi Vihar Techno Campus Ghatikia odisha Bhubaneswar India Mohan Babu University Department of Liberal Arts and Science Andhra Pradesh Tirupathi India

ISBN: (纸本)9781665456302

Power loss and voltage variability are main challenges in distribution systems. But, these difficulties are normally reduced by effectual network reconfiguration comprising the fusion of distributed generation (DG) units from the distribution network. Accordingly, the optimum size and placement of DGs are fundamental. Then, the network efficacy is reduced. This study was conducted to optimal place and size of DGs as a radial distribution network after and before reconfigurations. This study designs an Enhanced Artificial Algae Algorithm based Distributed Generation Placement for Voltage Profile Enhancement (EAAADG-VPE) technique. The presented EAAADG-VPE technique initially designs the EAAA by the integration of AAA with quasi-oppositional based learning (QOBL) concept. The presented EAAADG-VPE technique aims to regularize voltage, and minimizes power losses and penalty costs. For examining the real power system situation, the penalty factor was considered which roles a vital part in the minimized of power loss and increment of voltage profile. The performance validation of the EAAADG-VPE technique stated the enhanced performance over other recent state of art approaches. © 2023 IEEE.

关键词： Algae

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Vector control design and analysis for PMSM using real-time HIL simulation

Vector control design and analysis for PMSM using real-time ...

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International Colloquium on Smart Grid Metrology (SmaGriMet)

作者： Kristian Knol Tin Benšić Marinko Barukčić Department of Electromechanical Engineering Faculty of Electrical Engineering Computer Science and Information Technology Osijek Josip Juraj Strossmayer University of Osijek Osijek Croatia

During the development of control strategies for permanent magnet synchronous machines (PMSM) used in wind turbines, usage of wide range of simulation allows for more detailed, more safe and less expensive development. This paper presents type of HIL simulation, where instead of using real controller and real-time simulator, two real-time simulators are used and form a co-simulation environment where vector control of PMSM is conducted. The whole process of designing and simulating is a part of model-based design (MBD). The PMSM is described and controller for vector control is derived. Created co-simulation environment with its advantages and problems is described. An experiment with different scenarios is conducted to test created co-simulation.

关键词： Permanent magnet machines Hardware-in-the-loop simulation Loading Metrology Real-time systems Mathematical models Wind turbines

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Digital Technology in Health Education Trend Mapping through Bibliometrics Analysis 4

Digital Technology in Health Education Trend Mapping through...

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4th International Conference on Informatics, Multimedia, Cyber and Information System, ICIMCIS 2022

作者： Maulana, Fairuz Iqbal Lestari, Dian Widartha, Vandha Pradwiyasma Haidar, Nirwana Dirgantara, Wahyu School of Computer Science Bina Nusantara University Computer Science Department Jakarta11480 Indonesia Airlangga University Faculty of Medicine Surabaya60132 Indonesia Telkom University Information System of Industrial Engineering Faculty Bandung Indonesia University of Madura Informatics Engineering Study Program Pamekasan Indonesia University of Merdeka Malang Department of Electrical Engineering Malang Indonesia

ISBN: (纸本)9781665473279

This study examines the mapping of research data on digital technology in the field of health education using bibliometric analysis method. Data was collected by identifying keywords in the Scopus database and sorting them out to sort the studies from the last 10 years (2012-2021). Through this step, a total of 1482 documents were obtained (articles, journals, proceedings, books, and others). The data is then processed using the VOSViewer instrument to obtain a visualization of the mapping analysis. This study also analyzes the network types of authors and co-authors through the VOSViewer instrument. The result of this study indicates that the most document types published within ten years are Articles (66.5%), Review (22.9%), Conference Paper (4.2%), and others. The most studied subjects are Medicine (55.7%), Nursing (9.0%), Health Professions (8.2%), Social Sciences (7.8%), engineering (3.9%), computer Science (2.6%), Environmental Science (2.6%), Biochemistry-Genetics and Molecular Biology (2.2%), Psychology (1.6%), and Dentistry (1.3%). This study offers a written communication process and the nature and direction of developing descriptive means of counting and analyzing the various phases of communication as well as recognizing the authorship and direction of its symptoms in documents on the subject of digital technology in the health sector. © 2022 IEEE.

关键词： Mapping

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Design and Analysis of Extensible Cable-Driven Continuum Robot with Variable Stiffness

Design and Analysis of Extensible Cable-Driven Continuum Rob...

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IEEE International Conference on Robotics and Biomimetics

作者： Ibrahim A. Seleem Mohamed A. Naeem Hiroyuki Ishii Department of Modern Mechanical Engineering Waseda University Department of Industrial Electronics and Control Engineering Faculty of Electronic Engineering Menoufia University Egypt Department of Mechatronics Engineering School of Mechanical and Electrical Engineering Harbin Institute of Technology Department of Mechatronics and Robotics Engineering Faculty of Engineering South Valley University

Extensible Soft Robots (ESRs) have increasingly attracted attention, especially in tight and complex environments, owing to their dexterity, and wide reachable workspaces relative to their volume. The existing actuation methods of ESR still suffer from challenges including large dimensions, expensive, complex modeling and control, and limited payload capacity. In this paper, we introduce a novel design for a lightweight, extensible and variable stiffness soft robot-based cable-driven actuation without backbone. The design composes of one section with three segments based on semi-octagon honeycomb structure, wherein the middle segment acts like a soft spring to provide extension feature. Additionally, the top and bottom segments have identical structure with two honeycomb patterns embedded within each other to improve the stiffness of the design. A design analysis is conducted to optimize the proposed structure with respect to stress and displacement. Additionally, a shape estimation approach is utilized to get accurate inference of the prototype’s shape based on data acquired from a low-cost Inertial Measurement Unit (IMU) and Motion Capture System (MCS), and constant curvature assumption. A series of experiments including workspace reach-ability, repeatability, shape approximation and payload analysis are carried out to validate the proposed design. The results show that the prototype exhibits good compression/extension ratio up to 42% and 50% relative to its normal length, respectively. Moreover, its payload capability reaches to 565 grams.

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