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446,445 Results Found

  • Article
  • Open Access
1 Citations
2,421 Views
14 Pages

The Gastropack Access System as a Model to Access Gastroenterology Services for Gastroscopy Appropriateness in Patients with Upper Gastrointestinal Symptoms: A Comparison with the Open Access System

  • Liza Ceroni,
  • Francesca Lodato,
  • Paolo Tubertini,
  • Giovanni Marasco,
  • Alessia Gazzola,
  • Maurizio Biselli,
  • Cristiano Fabbri,
  • Federica Buonfiglioli,
  • Francesco Ferrara and
  • on behalf of Gastropack System Study Group
  • + 14 authors

Esophagogastroduodenoscopy (EGD) appropriateness in Open-Access System (OAS) is a relevant issue. The Gastropack Access System (GAS) is a new system to access gastroenterological services, based on the partnership between Gastroenterologists and GPs....

  • Short Communication
  • Open Access
12 Citations
1,138 Views
4 Pages

Wait Times for Prostate Cancer Treatment and Patient Perceptions of Care in Canada: A Mixed-Methods Report

  • K. Tran,
  • C. Sandoval,
  • R. Rahal,
  • G. Porter,
  • R. Siemens,
  • J. Hernandez,
  • S. Fung,
  • C. Louzado,
  • J Liu and
  • in collaboration with the System Performance Steering Committee and Technical Working Group
  • + 1 author

1 October 2015

Background: Access to cancer care is a significant concern for Canadians. Prolonged delays between cancer diagnosis and treatment have been associated with anxiety, stress, and perceived powerlessness for patients and their family members. Longer wai...

  • Short Communication
  • Open Access
6 Citations
745 Views
3 Pages

Treatment Patterns among Canadian Men Diagnosed with Localized Low-Risk Prostate Cancer

  • C. Sandoval,
  • K. Tran,
  • R. Rahal,
  • G. Porter,
  • S. Fung,
  • C. Louzado,
  • J. Liu,
  • H. Bryant and
  • in collaboration with the System Performance Steering Committee and Technical Working Group

1 December 2015

In general, guideline-recommended treatment options for men with low-risk prostate cancer (pca) include active surveillance, radical prostatectomy, and external-beam radiation therapy or brachytherapy. Because of the concern about overdiagnosis and c...

  • Article
  • Open Access
1 Citations
4,811 Views
34 Pages

Global Quality Management System (G-QMS) in System of Systems (SoS) is a pioneering field of research essential for SoS G-organizations, which are characterized by their vast and complex technological systems and multi-organizational structures. Cons...

  • Article
  • Open Access
1 Citations
1,665 Views
28 Pages

This study inaugurates an innovative field of research for Global Quality Management System (G-QMS) in System of Systems (SoS), integrating emerging and rapidly evolving disciplines of QMS, SoS Globalization, and Systems approaches, chiefly Systems T...

  • Feature Paper
  • Article
  • Open Access
5 Citations
4,418 Views
33 Pages

The Impact of System Integration on System Costs of a Neighborhood Energy and Water System

  • Els van der Roest,
  • Theo Fens,
  • Martin Bloemendal,
  • Stijn Beernink,
  • Jan Peter van der Hoek and
  • Ad J. M. van Wijk

3 May 2021

The fossil-based energy system is transitioning towards a renewable energy system. One important aspect is the spatial and temporal mismatch between intermitted supply and continuous demand. To ensure a reliable and affordable energy system, we propo...

  • Review
  • Open Access
39 Citations
11,797 Views
24 Pages

From Automation System to Autonomous System: An Architecture Perspective

  • Hualong Chen,
  • Yuanqiao Wen,
  • Man Zhu,
  • Yamin Huang,
  • Changshi Xiao,
  • Tao Wei and
  • Axel Hahn

Autonomy is the core capability of future systems, and architecture design is one of the critical issues in system development and implementation. To discuss the architecture of autonomous systems in the future, this paper reviews the developing prog...

  • Feature Paper
  • Article
  • Open Access
13 Citations
8,579 Views
15 Pages

A Governance Perspective for System-of-Systems

  • Polinpapilinho F. Katina,
  • Charles B. Keating,
  • James A. Bobo and
  • Tyrone S. Toland

9 December 2019

The operating landscape of 21st century systems is characteristically ambiguous, emergent, and uncertain. These characteristics affect the capacity and performance of engineered systems/enterprises. In response, there are increasing calls for multidi...

  • Review
  • Open Access
49 Citations
9,664 Views
25 Pages

The Complex Interplay between Endocannabinoid System and the Estrogen System in Central Nervous System and Periphery

  • Antonietta Santoro,
  • Elena Mele,
  • Marianna Marino,
  • Andrea Viggiano,
  • Stefania Lucia Nori and
  • Rosaria Meccariello

The endocannabinoid system (ECS) is a lipid cell signaling system involved in the physiology and homeostasis of the brain and peripheral tissues. Synaptic plasticity, neuroendocrine functions, reproduction, and immune response among others all requir...

  • Article
  • Open Access
5 Citations
2,227 Views
27 Pages

10 June 2022

The purpose of this study was to develop a process to convert input signals from one facility into another by reflecting geometric and environmental settings. The Dynamic Energy Transport and Integration Laboratory (DETAIL) is one facility in develop...

  • Article
  • Open Access
6 Citations
1,839 Views
11 Pages

23 March 2023

Measuring the uncertainty of the lifetime of technical systems has become increasingly important in recent years. This criterion is useful to measure the predictability of a system over its lifetime. In this paper, we assume a coherent system consist...

  • Article
  • Open Access
562 Views
23 Pages

Integrating System-Theoretic Process Analysis and System Dynamics for Systemic Risk Analysis in Safety-Critical Systems

  • Ahmed Shaban,
  • Ahmed Abdelwahed,
  • Islam H. Afefy,
  • Giulio Di Gravio and
  • Riccardo Patriarca

This paper presents a novel integration of System-Theoretic Process Analysis (STPA) and System Dynamics (SD) for hazard and resilience analysis in safety-critical infrastructure systems. The methodology is applied iteratively to assess the safety and...

  • Article
  • Open Access
4 Citations
2,172 Views
21 Pages

Analysis of an Energy Management System of a Small Plant Connected to the Rural Power System

  • Miroslaw Wlas,
  • Stanislaw Galla,
  • Abdellah Kouzou and
  • Piotr Kolodziejek

19 January 2022

This paper presents the analysis of an energy management system (EMS) implemented to fulfill the requirements of a microgrid (MG) power supply owned by a small industrial company and connected to the rural power system. The main goal of this system i...

  • Feature Paper
  • Article
  • Open Access
36 Citations
8,271 Views
9 Pages

16 November 2017

This paper presents a conceptual model of land as a coupled human–environment system. Land use and land cover are incorporated as elements of the human and environment system respectively. Drivers and associated processes that influence land use, lan...

  • Article
  • Open Access
41 Citations
8,234 Views
18 Pages

Development of an Automatic Identification System Autonomous Positioning System

  • Qing Hu,
  • Yi Jiang,
  • Jingbo Zhang,
  • Xiaowen Sun and
  • Shufang Zhang

11 November 2015

In order to overcome the vulnerability of the global navigation satellite system (GNSS) and provide robust position, navigation and time (PNT) information in marine navigation, the autonomous positioning system based on ranging-mode Automatic Identif...

  • Article
  • Open Access
23 Citations
9,226 Views
18 Pages

18 October 2017

This study aims to design and develop the prototype models of the smart photovoltaic system blind (SPSB). To achieve this objective, the study defined the properties in three ways: (i) the photovoltaic (PV) panel; (ii) the tracking system; and (iii)...

  • Article
  • Open Access
2 Citations
3,067 Views
14 Pages

11 December 2023

The integrity of airborne inertial navigation systems (INSs) is the key to ensuring the safe flight of civil aircraft. The airborne attitude and heading reference system (AHRS) is introduced into the construction of a redundant inertial navigation sy...

  • Article
  • Open Access
11 Citations
2,269 Views
14 Pages

23 March 2023

The measurement of uncertainty across the lifetimes of engineering systems has drawn more attention in recent years. It is a helpful metric for assessing how predictable a system’s lifetime is. In these circumstances, Renyi entropy, a Shannon e...

  • Review
  • Open Access
87 Citations
12,764 Views
28 Pages

The Crossroads of the Coagulation System and the Immune System: Interactions and Connections

  • Grzegorz Wilhelm,
  • Paulina Mertowska,
  • Sebastian Mertowski,
  • Anna Przysucha,
  • Jerzy Strużyna,
  • Ewelina Grywalska and
  • Kamil Torres

8 August 2023

The coagulation and immune systems, two vital systems in the human body, share intimate connections that fundamentally determine patient health. These systems work together through several common regulatory pathways, including the Tissue Factor (TF)...

  • Article
  • Open Access
8 Citations
7,639 Views
19 Pages

25 September 2019

System dynamics (SD) is a complex systems modeling and simulation approach with wide ranging applications in various science and engineering disciplines. While subject matter experts lead most of the model building, recent advances have attempted to...

  • Article
  • Open Access
2 Citations
2,382 Views
24 Pages

3 November 2021

Aquifer thermal energy storage (ATES) system is widely used mainly in Europe and USA. In this paper, we examined the efficient operation method of ATES by comparing it with the water thermal energy storage (WTES) system of an existent thermal energy...

  • Article
  • Open Access
4 Citations
1,711 Views
12 Pages

9 July 2023

Recently, there has been growing interest in alternative measures of uncertainty, including cumulative residual entropy. In this paper, we consider a mixed system consisting of n components, assuming that all components are operational at time t. By...

  • Proceeding Paper
  • Open Access
2 Citations
1,588 Views
10 Pages

Optimal Sizing of Hybrid Generation Systems (Photovoltaic System and Energy Storage System) for Off-Grid Applications

  • Jaime Guamangallo,
  • Jefferson Porras,
  • Carlos Quinatoa,
  • Jimmy Vaca and
  • Luis Chiza

18 November 2024

This paper presents an optimal sizing strategy for a hybrid generation system combining photovoltaic (PV) and energy storage systems. To achieve this, the optimization problem is solved using the simplex method for linear programming, implemented thr...

  • Article
  • Open Access
40 Citations
3,935 Views
31 Pages

Active System Management Approach for Flexibility Services to the Greek Transmission and Distribution System

  • Nenad Sijakovic,
  • Aleksandar Terzic,
  • Georgios Fotis,
  • Ioannis Mentis,
  • Magda Zafeiropoulou,
  • Theodoros I. Maris,
  • Emmanouil Zoulias,
  • Charalambos Elias,
  • Vladan Ristic and
  • Vasiliki Vita

24 August 2022

New methods for state estimation are required due to the complexity of the topology of transmission and distribution systems, and the predictability in the management of prosumer dispatch. This paper describes a pilot project in Greece that, in accor...

  • Article
  • Open Access
5 Citations
4,440 Views
22 Pages

9 August 2023

The dynamic and complex interactions between the urban freight-transportation system and population, economy, traffic flow, fuel consumption, and environmental pollution, make policymaking in this system one of the fundamental challenges of urban man...

  • Article
  • Open Access
5 Citations
4,653 Views
12 Pages

Lie symmetries and their Lie group transformations for a class of Timoshenko systems are presented. The class considered is the class of nonlinear Timoshenko systems of partial differential equations (PDEs). An optimal system of one-dimensional sub-a...

  • Review
  • Open Access
94 Citations
8,550 Views
23 Pages

4 July 2018

Research has found an extensive potential for utilizing energy storage within the power system sector to improve reliability. This study aims to provide a critical and systematic review of the reliability impacts of energy storage systems in this sec...

  • Article
  • Open Access
3 Citations
3,390 Views
14 Pages

Quantum Linear System Algorithm for General Matrices in System Identification

  • Kai Li,
  • Ming Zhang,
  • Xiaowen Liu,
  • Yong Liu,
  • Hongyi Dai,
  • Yijun Zhang and
  • Chen Dong

29 June 2022

Solving linear systems of equations is one of the most common and basic problems in classical identification systems. Given a coefficient matrix A and a vector b, the ultimate task is to find the solution x such that Ax=b. Based on the technique of t...

  • Article
  • Open Access
37 Citations
6,863 Views
15 Pages

Decision Support System for a Low Voltage Renewable Energy System

  • Iulia Stamatescu,
  • Nicoleta Arghira,
  • Ioana Făgărăşan,
  • Grigore Stamatescu,
  • Sergiu Stelian Iliescu and
  • Vasile Calofir

18 January 2017

This paper presents the development of a decision support system (DSS) for a low-voltage grid with renewable energy sources (photovoltaic panels and wind turbine) which aims at achieving energy balance in a pilot microgrid with less energy consumed f...

  • Review
  • Open Access
65 Citations
10,773 Views
29 Pages

A Review of the Power Battery Thermal Management System with Different Cooling, Heating and Coupling System

  • Xingxing Wang,
  • Shengren Liu,
  • Yujie Zhang,
  • Shuaishuai Lv,
  • Hongjun Ni,
  • Yelin Deng and
  • Yinnan Yuan

8 March 2022

The battery thermal management system is a key skill that has been widely used in power battery cooling and preheating. It can ensure that the power battery operates safely and stably at a suitable temperature. In this article, we summarize mainly su...

  • Article
  • Open Access
7 Citations
4,149 Views
23 Pages

21 August 2022

Increasing the share of grid frequency converter-connected renewables reduces power system inertia, which is crucial for grid frequency stability. However, this development is insufficiently covered by energy system modelling and analysis as well as...

  • Article
  • Open Access
22 Citations
12,146 Views
13 Pages

29 January 2010

This paper deals with the interface-relevant activity of a vehicle integrated intelligent safety system (ISS) that includes an airbag deployment decision system (ADDS) and a tire pressure monitoring system (TPMS). A program is developed in LabWindows...

  • Article
  • Open Access
2,160 Views
16 Pages

15 January 2023

The stability and convergence analysis of a multivariable stochastic self-tuning system (STC) is very difficult because of its highly nonlinear structure. In this paper, based on the virtual equivalent system method, the structural nonlinear or nonli...

  • Article
  • Open Access
10 Citations
7,315 Views
16 Pages

10 March 2016

This article focuses on the development of sustainable energy systems in the Swedish local context and, specifically, on the actors that have proved to be crucial for such transitions: municipally owned energy companies. With the theoretical lens ins...

  • Article
  • Open Access
3 Citations
2,681 Views
13 Pages

9 April 2019

Titanium has an excellent combination of properties that make it an attractive material for use in aerospace applications. The one area in which titanium is not aligned with customer needs is affordability. Components made from titanium are many time...

  • Review
  • Open Access
24 Citations
4,086 Views
29 Pages

A Comparative Study on System Profit Maximization of a Renewable Combined Deregulated Power System

  • Jayanta Bhusan Basu,
  • Subhojit Dawn,
  • Pradip Kumar Saha,
  • Mitul Ranjan Chakraborty and
  • Taha Selim Ustun

9 September 2022

Electrical energy plays a key role in the development of the social as well as the economic front. The power sector has historically been owned and operated by state agencies due to its tremendous importance. It has been restructured over time, and t...

  • Review
  • Open Access
34 Citations
6,263 Views
25 Pages

15 October 2021

Microrobots have received great attention due to their great potential in the biomedical field, and there has been extraordinary progress on them in many respects, making it possible to use them in vivo clinically. However, the most important questio...

  • Article
  • Open Access
27 Citations
5,901 Views
15 Pages

10 October 2018

Recently, a worldwide movement to reduce greenhouse gas emissions has emerged, and includes efforts such as the Paris Agreement in 2015. To reduce greenhouse gas emissions, it is important to reduce unnecessary energy consumption or use environmental...

  • Article
  • Open Access
31 Citations
8,690 Views
13 Pages

Modelling a Safety Management System Using System Dynamics at the Bhopal Incident

  • Mario Di Nardo,
  • Marianna Madonna,
  • Teresa Murino and
  • Francesco Castagna

30 January 2020

In a safety management system (SMS), risk management plays a key role for the prevention of accidents. This study aims to propose a safety management model by using a system dynamics approach applied to the Bhopal incident. The model proposed in this...

  • Article
  • Open Access
9 Citations
4,787 Views
21 Pages

Supply and Demand Model for a Chili Enterprise System Using a Simultaneous Equations System

  • Meuthia Rachmaniah,
  • Arif Imam Suroso,
  • Muhamad Syukur and
  • Irman Hermadi

6 December 2022

The supply and demand of various fresh chili types correspond to one another simultaneously because they can be complementary or substitute products. This study aimed to simultaneously examine the supply and demand model of red chili and cayenne pepp...

  • Article
  • Open Access
5 Citations
5,378 Views
23 Pages

Proposal of a Learning Health System to Transform the National Health System of Spain

  • Rafael Carnicero,
  • David Rojas,
  • Ignacio Elicegui and
  • Javier Carnicero

10 September 2019

This article identifies the main challenges of the National Health Service of Spain and proposes its transformation into a Learning Health System. For this purpose, the main indicators and reports published by the Spanish Ministries of Health and Fin...

  • Article
  • Open Access
1 Citations
1,066 Views
22 Pages

25 April 2025

Most forest harvesting operations are performed using two or more forestry machines in combination; in the typical forest production system in steep terrain in Japan, there are four production processes: felling, yarding, processing, and forwarding....

  • Article
  • Open Access
10 Citations
6,277 Views
15 Pages

Study of System Integral Energy Efficiency of a Hybrid Pneumatic Power System

  • Po-Tuan Chen,
  • Duong Dinh Nghia,
  • Cheng-Jung Yang and
  • K. David Huang

6 June 2019

Currently, in the field of vehicle engineering, researchers are focused on finding a new type of high-efficiency vehicle. Based on the conventional powertrain system, the hybrid pneumatic power system (HPPS) is a type of hybrid system that focuses on...

  • Article
  • Open Access
19 Citations
10,320 Views
30 Pages

1 October 2019

Hybrid laminar flow control or HLFC design is a complex and multi-disciplinary process, which demands a thorough understanding of all aspects from a global systems viewpoint. The objective of the paper is to present a preliminary design of important...

  • Article
  • Open Access
8 Citations
2,488 Views
18 Pages

Under the new wave of scientific and technological revolution, the construction industry finds itself with a critical need to alter the traditional and outdated production mode through technological innovation in order to realize industry transformat...

  • Article
  • Open Access
10 Citations
9,793 Views
28 Pages

28 July 2011

This paper focuses on the design of an integrated navigation and guidance system for unmanned helicopters. The integrated navigation system comprises two systems: the Flight Path Planning System (FPPS) and the Flight Control System (FCS). The FPPS fi...

  • Review
  • Open Access
17 Citations
6,751 Views
12 Pages

Modulation of the Endocannabinoid System Following Central Nervous System Injury

  • Juan Zhou,
  • Haneen Noori,
  • Ian Burkovskiy,
  • J. Daniel Lafreniere,
  • Melanie E. M. Kelly and
  • Christian Lehmann

Central nervous system (CNS) injury, such as stroke or trauma, is known to increase susceptibility to various infections that adversely affect patient outcomes (CNS injury-induced immunodepression—CIDS). The endocannabinoid system (ECS) has bee...

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