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3,338 Results Found

  • Article
  • Open Access
1 Citations
2,246 Views
13 Pages

A Multi-Criteria Approach to Assess the Performance of the Brazilian Unified Health System

  • Renan Felinto de Farias Aires and
  • Camila Cristina Rodrigues Salgado

Brazil’s Unified Health System (SUS) provides universal free access to health services and is considered a model for the rest of the world. One of the tools used by the Brazilian government to assess this system is the Index of Unified Health S...

  • Article
  • Open Access
3 Citations
1,298 Views
45 Pages

Simulation Model of a Unified Energy System for Different Scenarios of Planned Disturbances

  • Iryna Bashynska,
  • Viktoriia Kryvda,
  • Dariusz Sala,
  • Liubov Niekrasova,
  • Oleksii Maksymov and
  • Vladyslav Suvorov

5 December 2024

The study established that the application of graph theory enables the creation of a model of a country’s power system structure in the form of a tiered graph. This allows complex structural elements of the system, such as generating units, ele...

  • Article
  • Open Access
2,522 Views
19 Pages

28 October 2025

Context: Population segmentation is a critical health system planning activity that enables more integrated, needs-responsive, and sustainable care. This paper describes the development and evaluation of a Systemic Health System Population Segmentati...

  • Article
  • Open Access
10 Citations
4,386 Views
16 Pages

Development of a Wireless Unified-Maintenance System for the Structural Health Monitoring of Civil Structures

  • Gwanghee Heo,
  • Byungjik Son,
  • Chunggil Kim,
  • Seunggon Jeon and
  • Joonryong Jeon

9 May 2018

A disaster preventive structural health monitoring (SHM) system needs to be equipped with the following abilities: First, it should be able to simultaneously measure diverse types of data (e.g., displacement, velocity, acceleration, strain, load, tem...

  • Article
  • Open Access
16 Citations
6,107 Views
16 Pages

Patient-reported posts in Online Health Communities (OHCs) contain various valuable information that can help establish knowledge-based online support for online patients. However, utilizing these reports to improve online patient services in the abs...

  • Feature Paper
  • Article
  • Open Access
29 Citations
6,308 Views
16 Pages

21 January 2019

The well-developed unified power flow controller (UPFC) has demonstrated its capability in providing voltage support and improving power system stability. The objective of this paper is to demonstrate the capability of the UPFC in mitigating oscillat...

  • Article
  • Open Access
8 Citations
2,808 Views
16 Pages

22 November 2019

The integrated energy system includes various energy forms, complex operation modes and tight coupling links, which bring challenges to its steady-state modeling and steady-state power flow calculation. In order to study the steady-state characterist...

  • Article
  • Open Access
4 Citations
2,845 Views
10 Pages

Cost-Effectiveness of Corneal Collagen Crosslinking for Progressive Keratoconus: A Brazilian Unified Health System Perspective

  • Lucca Ortolan Hansen,
  • Renato Garcia,
  • André Augusto Miranda Torricelli and
  • Samir Jacob Bechara

Keratoconus is a burden to health systems and patients worldwide. Corneal collagen crosslinking (CXL) treatment has been shown abroad to be cost-effective for treating progressive keratoconus. However, no cost-effectiveness studies have been performe...

  • Article
  • Open Access
1 Citations
1,855 Views
19 Pages

22 April 2022

Wider applications of integrated microgrids have been significantly restricted by converters with the sole function of power regulation. In microgrids with distributed generation and energy storage equipment, it is crucial for converters to be capabl...

  • Article
  • Open Access
911 Views
27 Pages

13 February 2025

A unified control system that possesses the abilities to arrange collision-free trajectories, precise trajectory tracking, and control allocation for unmanned surface vessels is investigated in this paper by integrating methods, including an image-ba...

  • Article
  • Open Access
3 Citations
3,308 Views
22 Pages

Health equity is cross sectioned by the reproduction of social relations of gender, ethnicity and power. The purpose of this article is to assess how intersectional health equity determines societal health levels, in a local efficiency analysis withi...

  • Review
  • Open Access
83 Citations
16,791 Views
17 Pages

After the outbreak of COVID-19, schools heavily depend on e-learning technologies and tools to shift from in-person class to online. This review article analyzes the changes of technology evolution and technology adoption of e-learning in pre- and po...

  • Article
  • Open Access
13 Citations
4,097 Views
15 Pages

Stability Analysis of Aircraft Power Systems Based on a Unified Large Signal Model

  • Yanbo Che,
  • Jianmei Xu,
  • Kun Shi,
  • Huanan Liu,
  • Weihua Chen and
  • Dongmin Yu

30 October 2017

Complex power electronic conversion devices, most of which have high transmission performance, are important power conversion units in modern aircraft power systems. However, these devices can also affect the stability of the aircraft power system mo...

  • Article
  • Open Access
8 Citations
2,189 Views
11 Pages

Secure Data Transmission Based on Adaptive Chattering-Free Sliding Mode Synchronization of Unified Chaotic Systems

  • Chih-Hsueh Lin,
  • Chia-Wei Ho,
  • Guo-Hsin Hu,
  • Baswanth Sreeramaneni and
  • Jun-Juh Yan

21 October 2021

This paper is concerned with a novel secure data transmission design based on adaptive synchronization of master and slave unified chaotic systems. First, by introducing an augmented error state, an adaptive continuous sliding mode control (SMC) is d...

  • Article
  • Open Access
146 Views
37 Pages

15 December 2025

Green buildings increasingly couple electrical, thermal, and hydrogen subsystems, yet these assets are typically monitored and controlled through separate standards and protocols. The resulting heterogeneous information models and communication stack...

  • Letter
  • Open Access
2 Citations
3,040 Views
13 Pages

A Unified Fourth-Order Tensor-Based Smart Community System

  • Chang Liu,
  • Huaiyu Wu,
  • Junyuan Wang and
  • Mingkai Wang

22 October 2020

Empowered by the ubiquitous sensing capabilities of Internet of Things (IoT) technologies, smart communities could benefit our daily life in many aspects. Various smart community studies and practices have been conducted, especially in China thanks t...

  • Article
  • Open Access
1 Citations
1,260 Views
48 Pages

24 August 2025

This paper presents an exhaustive search approach to determine the optimal placement of a Unified Power Quality Conditioner (UPQC) in a distribution system that integrates a distributed generation (DG) unit based on photovoltaic (PV) panels. The main...

  • Article
  • Open Access
9 Citations
4,055 Views
18 Pages

8 November 2019

The traditional method of solving fractional chaotic system has the problem of low precision and is computationally cumbersome. In this paper, different fractional-order calculus solutions, the Adams prediction–correction method, the Adomian de...

  • Article
  • Open Access
27 Citations
4,777 Views
25 Pages

Development of a Unified Taxonomy for HVAC System Faults

  • Yimin Chen,
  • Guanjing Lin,
  • Eliot Crowe and
  • Jessica Granderson

6 September 2021

Detecting and diagnosing HVAC faults is critical for maintaining building operation performance, reducing energy waste, and ensuring indoor comfort. An increasing deployment of commercial fault detection and diagnostics (FDD) software tools in commer...

  • Article
  • Open Access
1 Citations
2,859 Views
16 Pages

In order to improve the position tracking precision of dual permanent magnet synchronous motor (PMSM) systems, a unified nonlinear predictive control (UNPC) strategy based on the unified modeling of two PMSM systems is proposed in this paper. Firstly...

  • Article
  • Open Access
4 Citations
1,777 Views
24 Pages

23 August 2022

This paper discusses the novel synchronization conditions about the unified system of multi-dimension-valued neural networks (USOMDVNN). First of all, the general model of USOMDVNN is successfully set up, mainly on the basis of multidimensional algeb...

  • Article
  • Open Access
5 Citations
1,907 Views
17 Pages

12 November 2021

The article studies and develops the methods for assessing the degree of participation of power plants in the general primary frequency control in a unified energy system (UES) of Russia based on time series analysis of frequency and power. To identi...

  • Article
  • Open Access
4 Citations
2,010 Views
17 Pages

Unified System Analysis for Time-Variant Reliability of a Floating Offshore Substation

  • Franck Schoefs,
  • Mestapha Oumouni,
  • Morteza Ahmadivala,
  • Neil Luxcey,
  • Florian Dupriez-Robin and
  • Patrick Guerin

5 October 2023

Offshore wind is planned to become the first source of energy by 2050. That requires installing turbines in deeper seas. It is shown that only floating wind turbines will allow dealing with this challenge while keeping a reasonable cost of energy pro...

  • Article
  • Open Access
6 Citations
3,659 Views
13 Pages

A Unified Speech Enhancement System Based on Neural Beamforming With Parabolic Reflector

  • Tao Zhang,
  • Yanzhang Geng,
  • Jianhong Sun,
  • Chen Jiao and
  • Biyun Ding

25 March 2020

This paper presents a unified speech enhancement system to remove both background noise and interfering speech in serious noise environments by jointly utilizing the parabolic reflector model and neural beamformer. First, the amplification property o...

  • Article
  • Open Access
1,590 Views
23 Pages

Unified Underwater Communication Positioning Navigation and Timing Network System Design and Application

  • Lipeng Huo,
  • Mengzhuo Liu,
  • Heng Wen,
  • Zheng Peng,
  • Yusha Liu,
  • Xiaoxin Guo and
  • Jun-Hong Cui

The dynamic and heterogeneous nature of marine environments, combined with severely constrained communication and energy resources, presents distinct challenges in constructing underwater Communication, Positioning, Navigation, and Timing (CPNT) syst...

  • Article
  • Open Access
14 Citations
3,514 Views
16 Pages

19 June 2019

The paper proves a unified analysis for finite-time anti-synchronization of a class of integer-order and fractional-order chaotic systems. We establish an effective controller to ensure that the chaotic system with unknown parameters achieves anti-sy...

  • Article
  • Open Access
5 Citations
2,950 Views
11 Pages

In recent years, grid-connected photovoltaic (PV) power generations have become the most extensively used energy resource among other types of renewable energies. Increasing integration of PV sources into the power network and their dynamic performan...

  • Review
  • Open Access
708 Views
41 Pages

18 November 2025

The carotid body—a chemoreceptive derivative of the neural crest located at the bifurcation of the carotid artery—has been studied for over 282 years. The history of research into this small but vital organ is full of unexpected turns and...

  • Article
  • Open Access
39 Citations
5,239 Views
15 Pages

1 May 2017

Energy efficiency is a significant topic in cloud computing. Dynamic consolidation of virtual machines (VMs) with live migration is an important method to reduce energy consumption. However, frequent VM live migration may cause a downtime of service....

  • Article
  • Open Access
6 Citations
2,634 Views
17 Pages

28 July 2021

In recent years, there have been tendencies to enable smart cities with interconnected infrastructures and communities. Current engineering design and operation practices are limited to handling individual systems with modeling and simulation, as wel...

  • Article
  • Open Access
1,299 Views
37 Pages

29 September 2024

This article investigates the local well-posedness of a coupled system of wave equations on a half-line, with a particular emphasis on Robin boundary conditions within Sobolev spaces. We provide estimates for the solutions to linear initial-boundary-...

  • Article
  • Open Access
4 Citations
1,928 Views
19 Pages

21 January 2022

In this study, vibration control, a behavior which subordinates to stall-induced nonlinear vibration and amplitude control of a wind turbine’s blade section, based on unified pitch motion driven by slider-linkage mechanism, is investigated by u...

  • Article
  • Open Access
13 Citations
3,881 Views
18 Pages

Control of a Modular Multilevel Matrix Converter for Unified Power Flow Controller Applications

  • Alberto Duran,
  • Efrain Ibaceta,
  • Matias Diaz,
  • Felix Rojas,
  • Roberto Cardenas and
  • Hector Chavez

20 February 2020

The modular multilevel matrix converter has been proposed as a suitable option for high power applications such as flexible AC transmission systems. Among flexible AC transmission systems, the unified power flow controller stands out as the most vers...

  • Article
  • Open Access
8 Citations
4,112 Views
15 Pages

In recent years, as semiconductor manufacturing processes have been steadily scaled down, the transistor count fabricated on a single silicon die can reach up to a billion units. Therefore, current multiprocessor system-on-chips (MPSoCs) can include...

  • Article
  • Open Access
20 Citations
4,482 Views
22 Pages

26 October 2018

This paper proposes a multi-functional Photovoltaic (PV) inverter based on the Unified Power Quality Conditioner (UPQC) configuration. Power quality improvement is a difficult issue to solve for isolated areas or islands connected to the mainland thr...

  • Article
  • Open Access
14 Citations
5,792 Views
12 Pages

Epidemiology of Arterial Hypertension in Kazakhstan: Data from Unified Nationwide Electronic Healthcare System 2014–2019

  • Sauran Yerdessov,
  • Kainar Kadyrzhanuly,
  • Yesbolat Sakko,
  • Arnur Gusmanov,
  • Gulnur Zhakhina,
  • Dinara Galiyeva,
  • Makhabbat Bekbossynova,
  • Alessandro Salustri and
  • Abduzhappar Gaipov

The in-depth epidemiology of hypertension has not been studied in Kazakhstan (KZ) yet. We aimed to investigate the crude; age and sex standardized prevalence, incidence, and all-cause mortality rate among hypertensive patients in Kazakhstan using a l...

  • Article
  • Open Access
8 Citations
4,106 Views
14 Pages

A Unified User-Friendly Instrument Control and Data Acquisition System for the ORNL SANS Instrument Suite

  • Xingxing Yao,
  • Blake Avery,
  • Miljko Bobrek,
  • Lisa Debeer-Schmitt,
  • Xiaosong Geng,
  • Ray Gregory,
  • Greg Guyotte,
  • Mike Harrington,
  • Steven Hartman and
  • Lilin He
  • + 15 authors

28 January 2021

In an effort to upgrade and provide a unified and improved instrument control and data acquisition system for the Oak Ridge National Laboratory (ORNL) small-angle neutron scattering (SANS) instrument suite—biological small-angle neutron scatter...

  • Article
  • Open Access
15 Citations
4,170 Views
23 Pages

16 June 2023

Today, climate change combined with the energy crisis is accelerating the worldwide adoption of renewable energies through incentive policies. However, due to their intermittent and unpredictable behavior, renewable energy sources need EMS (energy ma...

  • Article
  • Open Access
6 Citations
3,469 Views
16 Pages

Experimental Evaluation of a Control System Based on a Dual-DSP Architecture for a Unified Power Quality Conditioner

  • Luís Monteiro,
  • Bruno Exposto,
  • Gabriel Pinto,
  • Vitor Monteiro,
  • Maurício Aredes and
  • João L. Afonso

5 May 2019

An experimental evaluation of a digital control system based on a dual Digital Signal Processor (DSP) architecture is proposed for a three phase Unified Power Quality Conditioner (UPQC). A classical UQPC is constituted by two power conditioners, conn...

  • Article
  • Open Access
2 Citations
1,768 Views
17 Pages

9 February 2023

This paper addresses the problem of coexistence of synchronization and anti-synchronization (CSAS) for a class of switched chaotic systems by adaptive control method, where the switched system is realized by unified chaotic systems under arbitrary sw...

  • Article
  • Open Access
13 Citations
2,464 Views
29 Pages

Mitigating Low-Frequency Oscillations and Enhancing the Dynamic Stability of Power System Using Optimal Coordination of Power System Stabilizer and Unified Power Flow Controller

  • Endeshaw Solomon,
  • Baseem Khan,
  • Ilyes Boulkaibet,
  • Bilel Neji,
  • Nadhira Khezami,
  • Ahmed Ali,
  • Om Prakash Mahela and
  • Alina Eugenia Pascual Barrera

21 April 2023

The integration of a flexible alternating current transmission system (FACTS) and a power system stabilizer (PSS) can increase dynamic stability. This paper presents the enhancement of power system dynamic stability through the optimal design of a po...

  • Proceeding Paper
  • Open Access
3 Citations
1,547 Views
7 Pages

7 December 2023

Standardization and collaborative integration are fundamental for the implementation of Industry 4.0. The Open Communication Platform Unified Architecture (OPC UA) standard plays a crucial role in communication by enabling the development of heteroge...

  • Article
  • Open Access
15 Citations
2,930 Views
21 Pages

26 September 2022

The Unified Power Quality Conditioner (UPQC) is one of the Custom Power devices (CP), and it mitigates both load current and supply voltage problems (voltage swells, sags, harmonics, etc.) simultaneously. By using CP, we are getting more familiar wit...

  • Article
  • Open Access
1,689 Views
18 Pages

Towards a Unified Identifier of Satellite Remote Sensing Images

  • Jiahe Wang,
  • Jin Wu,
  • Mingbo Wu,
  • Yuxiang Lu,
  • Shangwen Lu,
  • Dayong Zhu and
  • Chenghu Zhou

29 January 2025

The rapid growth of Earth observation technologies has resulted in over 2000 operational remote sensing satellites, collectively generating an exabyte-scale volume of data. However, despite the availability of large data-sharing platforms, global rem...

  • Article
  • Open Access
7 Citations
5,627 Views
15 Pages

Integration of health education and welfare services in primary care systems is a key strategy to solve the multiple determinants of chronic diseases, such as Human Immunodeficiency Virus Infection and Acquired Immune Deficiency Syndrome (HIV/AIDS)....

  • Article
  • Open Access
3 Citations
1,676 Views
20 Pages

25 March 2025

In recent years, advancements in artificial intelligence, speech, and natural language processing technology have enhanced spoken dialogue systems (SDSs), enabling natural, voice-based human–computer interaction. However, discrete, token-based...

  • Article
  • Open Access
19 Citations
8,457 Views
19 Pages

19 May 2014

The near real-time NRL global tropical cyclone (TC) monitoring system based on multiple satellite passive microwave (PMW) sensors is improved with a new inter-sensor calibration scheme to correct the biases caused by differences in these sensor’s hi...

  • Article
  • Open Access
561 Views
17 Pages

28 September 2025

The Internet of Medical Things (IoMT) is the latest advancement in the Internet of Things (IoT). Researchers are increasingly drawn to its vast potential applications in secure healthcare systems. The growing use of internet-connected medical device...

  • Review
  • Open Access
53 Citations
10,306 Views
61 Pages

A Review on Power Electronics Technologies for Electric Mobility

  • Joao L. Afonso,
  • Luiz A. Lisboa Cardoso,
  • Delfim Pedrosa,
  • Tiago J. C. Sousa,
  • Luis Machado,
  • Mohamed Tanta and
  • Vitor Monteiro

1 December 2020

Concerns about greenhouse gas emissions are a key topic addressed by modern societies worldwide. As a contribution to mitigate such effects caused by the transportation sector, the full adoption of electric mobility is increasingly being seen as the...

  • Article
  • Open Access
12 Citations
2,432 Views
15 Pages

Unified Power Control of Permanent Magnet Synchronous Generator Based Wind Power System with Ancillary Support during Grid Faults

  • Vijayapriya Ramachandran,
  • Angalaeswari Sendraya Perumal,
  • Natrayan Lakshmaiya,
  • Prabhu Paramasivam and
  • Seshathiri Dhanasekaran

8 October 2022

A unified active power control scheme is devised for the grid-integrated permanent magnet synchronous generator-based wind power system (WPS) to follow the Indian electricity grid code requirements. The objective of this paper is to propose control s...

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