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469 Results Found

  • Article
  • Open Access
19 Citations
4,600 Views
16 Pages

Costs of Demand Response from Residential Customers’ Perspective

  • Madia Safdar,
  • Ghulam Amjad Hussain and
  • Matti Lehtonen

28 April 2019

Electricity demand in a certain locality varies during the day, depending on weather conditions, daily life routines, or a social event in a town. During high/peak demands, expensive power plants are put into operation, which affects electricity pric...

  • Article
  • Open Access
26 Citations
4,749 Views
22 Pages

26 November 2018

This paper presents an interactive trading decision between an electricity market operator, generation companies (GenCos), and the aggregators having demand response (DR) capable loads. Decisions are made hierarchically. At the upper-level, an electr...

  • Article
  • Open Access
47 Citations
4,535 Views
18 Pages

Optimal Dispatch Model Considering Environmental Cost Based on Combined Heat and Power with Thermal Energy Storage and Demand Response

  • Weidong Li,
  • Tie Li,
  • Haixin Wang,
  • Jian Dong,
  • Yunlu Li,
  • Dai Cui,
  • Weichun Ge,
  • Junyou Yang and
  • Martin Onyeka Okoye

1 March 2019

In order to reduce the pollution caused by coal-fired generating units during the heating season, and promote the wind power accommodation, an electrical and thermal system dispatch model based on combined heat and power (CHP) with thermal energy sto...

  • Article
  • Open Access
15 Citations
4,163 Views
20 Pages

Data Model for Residential and Commercial Buildings. Load Flexibility Assessment in Smart Cities

  • Simona-Vasilica Oprea,
  • Adela Bâra,
  • Răzvan Cristian Marales and
  • Margareta-Stela Florescu

5 February 2021

Demand response (DR) programs were usually designed to provide load peak reduction and flatten the load curve, but in the context of rapid adoption of emerging technologies, such as smart metering and sensors, load flexibility will address current tr...

  • Article
  • Open Access
10 Citations
4,130 Views
12 Pages

The Economic Impact of Carbapenem Resistant-Non Lactose Fermenter and Enterobacteriaceae Infections on Hospital Costs in Dr. Soetomo General Academic Hospital Surabaya, Indonesia

  • Yasmeen Lashari,
  • Maftuchah Rochmanti,
  • Abdul Khairul Rizki Purba,
  • Hari Basuki Notobroto,
  • Rosantia Sarassari and
  • Kuntaman Kuntaman

Background: Carbapenem resistant-non lactose fermenter (CR-NLF) and Carbapenem resistant-Enterobacteriaceae (CR-E) bacterial infections are likely to be a global threat to people’s health. However, studies on the economic impacts according to t...

  • Article
  • Open Access
10 Citations
2,825 Views
22 Pages

13 March 2023

In recent years, the stability of the distribution network has declined due to the large proportion of the uses of distributed generation (DG) with the continuous development of renewable energy power generation technology. Meanwhile, the traditional...

  • Article
  • Open Access
2 Citations
2,837 Views
25 Pages

2 May 2021

With the large-scale grid connection of renewable energy sources, the frequency stability problem of the power system has become increasingly prominent. At the same time, the development of cloud computing and its applications has attracted people’s...

  • Article
  • Open Access
61 Citations
8,901 Views
19 Pages

16 June 2016

A self-sustainable base station (BS) where renewable resources and energy storage system (ESS) are interoperably utilized as power sources is a promising approach to save energy and operational cost in communication networks. However, high battery pr...

  • Article
  • Open Access
14 Citations
5,666 Views
22 Pages

Unit Commitment Model Considering Flexible Scheduling of Demand Response for High Wind Integration

  • Beibei Wang,
  • Xiaocong Liu,
  • Feng Zhu,
  • Xiaoqing Hu,
  • Wenlu Ji,
  • Shengchun Yang,
  • Ke Wang and
  • Shuhai Feng

2 December 2015

In this paper, a two-stage stochastic unit commitment (UC) model considering flexible scheduling of demand response (DR) is proposed. In the proposed UC model, the DR resources can be scheduled: (1) in the first stage, as resources on a day-ahead bas...

  • Article
  • Open Access
8 Citations
3,772 Views
32 Pages

Production of Negative-Emissions Steel Using a Reducing Gas Derived from DFB Gasification

  • Sébastien Pissot,
  • Henrik Thunman,
  • Peter Samuelsson and
  • Martin Seemann

8 August 2021

A dual fluidized bed (DFB) gasification process is proposed to produce sustainable reducing gas for the direct reduction (DR) of iron ore. This novel steelmaking route is compared with the established process for DR, which is based on natural gas, an...

  • Article
  • Open Access
3 Citations
1,733 Views
30 Pages

30 October 2024

Demand response (DR) enhances building energy flexibility, but its application in hybrid heating systems with dynamic pricings remains underexplored. This study applied DR via heating setpoint adjustments based on dynamic electricity and district hea...

  • Article
  • Open Access
2 Citations
2,458 Views
22 Pages

7 June 2024

Demand response (DR) can potentially provide a cost-efficient alternative for balancing the electricity grid by replacing fossil-fuelled power plants for the provision of flexible capacity. This paper aims to quantify the cost reduction potential of...

  • Article
  • Open Access
6 Citations
3,343 Views
16 Pages

Transition from Laser to Intravitreal Injections for Diabetic Retinopathy: Hospital Utilization and Costs from an Extended Healthcare Perspective

  • Silvia Nanjala Walekhwa Hertzberg,
  • Øystein K. Jørstad,
  • Beáta Éva Petrovski,
  • Ragnheidur Bragadottir,
  • Leif Arthur Steffensen,
  • Morten Carstens Moe,
  • Emily A. Burger and
  • Goran Petrovski

Purpose: To describe the trends in hospital utilization and economic outcomes associated with the transition from laser to intravitreal injection (IVI) therapy for diabetic retinopathy (DR) at Oslo University Hospital (OUH), which provides the larges...

  • Article
  • Open Access
11 Citations
2,766 Views
17 Pages

7 October 2020

Demand response (DR) can offer a wide range of advantages for electrical systems by facilitating the interaction and balance between supply and demand. However, DR always requires a central agent, giving rise to issues of security and trust. Besides...

  • Article
  • Open Access
24 Citations
3,998 Views
42 Pages

2 September 2024

This study presents an innovative home energy management system (HEMS) that incorporates PV, WTs, and hybrid backup storage systems, including a hydrogen storage system (HSS), a battery energy storage system (BESS), and electric vehicles (EVs) with v...

  • Article
  • Open Access
2 Citations
1,468 Views
15 Pages

7 February 2024

Demand response (DR) can improve the accommodation of renewable energy and further affect the distributed generation (DG) allocation strategy. In this context, this paper proposes a stochastic optimal allocation model of DG, considering DR. Firstly,...

  • Article
  • Open Access
1 Citations
2,289 Views
15 Pages

13 November 2024

The rapid expansion of renewable energy sources has led to increased instability in the power grid of Jeju Island, leading to the implementation of the plus demand response (DR) system, which aims to boost electricity consumption during curtailment p...

  • Article
  • Open Access
3 Citations
2,305 Views
25 Pages

Economic Assessment of Demand Response Using Coupled National and Regional Optimisation Models

  • Wilko Heitkoetter,
  • Wided Medjroubi,
  • Thomas Vogt and
  • Carsten Agert

16 November 2022

In this work, we investigate the economic viability of demand response (DR) as a balancing option for variable renewable energies, such as wind and solar. Our assessment is based on a highly resolved national energy system model for Germany coupled w...

  • Article
  • Open Access
48 Citations
3,190 Views
21 Pages

Impact of Time-of-Use Demand Response Program on Optimal Operation of Afghanistan Real Power System

  • Mohammad Masih Sediqi,
  • Akito Nakadomari,
  • Alexey Mikhaylov,
  • Narayanan Krishnan,
  • Mohammed Elsayed Lotfy,
  • Atsushi Yona and
  • Tomonobu Senjyu

2 January 2022

Like most developing countries, Afghanistan still employs the traditional philosophy of supplying all its load demands whenever they happen. However, to have a reliable and cost-effective system, the new approach proposes to keep the variations of de...

  • Article
  • Open Access
26 Citations
10,016 Views
24 Pages

10 January 2020

The present study proposes an economic indicator to support the evaluation of aircraft End of Life (EoL) strategies in view of the increasing demand with regards to aircraft decommissioning. This indicator can be used to evaluate an economic performa...

  • Article
  • Open Access
1 Citations
3,551 Views
11 Pages

1 October 2021

Introduction: Approximately 3% of hospitalized patients with community-acquired bacterial pneumonia (CABP) develop healthcare-associated Clostridioides difficile infection (HCA-CDI). The validated Davis risk score (DRS) indicates that patients with a...

  • Article
  • Open Access
28 Citations
7,222 Views
18 Pages

17 August 2016

Demand response (DR) is a key technique in smart grid (SG) technologies for reducing energy costs and maintaining the stability of electrical grids. Since manufacturing is one of the major consumers of electrical energy, implementing DR in factory en...

  • Article
  • Open Access
36 Citations
5,733 Views
18 Pages

Impact of Demand Response Programs on Optimal Operation of Multi-Microgrid System

  • Anh-Duc Nguyen,
  • Van-Hai Bui,
  • Akhtar Hussain,
  • Duc-Huy Nguyen and
  • Hak-Man Kim

4 June 2018

The increased penetration of renewables is beneficial for power systems but it poses several challenges, i.e., uncertainty in power supply, power quality issues, and other technical problems. Backup generators or storage system have been proposed to...

  • Article
  • Open Access
500 Views
28 Pages

11 December 2025

This paper presents a comprehensive framework for real-time energy management in microgrids integrating distributed renewable energy sources and demand response (DR) programs. To address the inherent uncertainties in key operational variables—s...

  • Article
  • Open Access
12 Citations
3,083 Views
19 Pages

4 November 2020

The increase in the number of electric vehicles (EVs) has led to increased global expectations that the application of this technology may result in the reduction of CO2 emissions through the replacement of conventional petrol vehicles and ensure the...

  • Article
  • Open Access
12 Citations
4,377 Views
26 Pages

Towards Sustainable Energy-Efficient Communities Based on a Scheduling Algorithm

  • Carlos Cruz,
  • Esther Palomar,
  • Ignacio Bravo and
  • Alfredo Gardel

14 September 2019

The Internet of Things (IoT) and Demand Response (DR) combined have transformed the way Information and Communication Technologies (ICT) contribute to saving energy and reducing costs, while also giving consumers more control over their energy footpr...

  • Article
  • Open Access
32 Citations
5,320 Views
24 Pages

1 August 2019

One of the challenges in the transition towards a zero-emission power system in Europe will be to achieve an efficient and reliable operation with a high share of intermittent generation. The objective of this paper is to analyse the role that Demand...

  • Article
  • Open Access
31 Citations
4,247 Views
16 Pages

9 May 2019

Demand response (DR) and its advantages are nowadays unquestionable due to the success of several recent implementations of DR programs. Improved methodologies and approaches are needed for the adequate consumers’ schedule in DR events, taking...

  • Article
  • Open Access
11 Citations
4,104 Views
21 Pages

Dynamic Reconfiguration Systems for PV Plant: Technical and Economic Analysis

  • Giuseppe Schettino,
  • Filippo Pellitteri,
  • Guido Ala,
  • Rosario Miceli,
  • Pietro Romano and
  • Fabio Viola

17 April 2020

Solar plants suffer of partial shading and mismatch problems. Without considering the generation of hot spots and the resulting security issues, a monitoring system for the health of a PV plant should be useful to drive a dynamic reconfiguration syst...

  • Article
  • Open Access
4 Citations
2,534 Views
19 Pages

Energy Demand Response in a Food-Processing Plant: A Deep Reinforcement Learning Approach

  • Philipp Wohlgenannt,
  • Sebastian Hegenbart,
  • Elias Eder,
  • Mohan Kolhe and
  • Peter Kepplinger

20 December 2024

The food industry faces significant challenges in managing operational costs due to its high energy intensity and rising energy prices. Industrial food-processing facilities, with substantial thermal capacities and large demands for cooling and heati...

  • Article
  • Open Access
602 Views
13 Pages

Prevalence of Diabetes Among First-Time Ophthalmology Patients at a Nonprofit Hospital in Mexico

  • Valeria Sánchez-Huerta,
  • Mary Lady González Suriel,
  • Héctor Randolph,
  • María José Barragán Álvarez and
  • Benjamin Aleman-Castilla

19 November 2025

Background/Objectives: Diabetes is Mexico’s second-leading cause of death, primary cause of disability, and diabetic retinopathy (DR) associated with this disease is the leading cause of vision loss among the working population. Limited healthc...

  • Article
  • Open Access
23 Citations
3,776 Views
15 Pages

Multi-Agent Optimization for Residential Demand Response under Real-Time Pricing

  • Zhanle Wang,
  • Raman Paranjape,
  • Zhikun Chen and
  • Kai Zeng

25 July 2019

Demand response (DR) programs encourage consumers to adapt the time of using electricity based on certain factors, such as cost of electricity, renewable energy availability, and ancillary request. It is one of the most economical methods to improve...

  • Article
  • Open Access
54 Citations
5,112 Views
28 Pages

29 July 2021

The optimal planning of grid-connected microgrids (MGs) has been extensively studied in recent years. While most of the previous studies have used fixed or time-of-use (TOU) prices for the optimal sizing of MGs, this work introduces real-time pricing...

  • Article
  • Open Access
10 Citations
3,537 Views
19 Pages

22 July 2019

This study proposes optimal day-ahead demand response (DR) participation strategies and distributed energy resource (DER) management in a residential building under an individual DR contract with a grid-system operator. First, this study introduces a...

  • Article
  • Open Access
16 Citations
7,263 Views
19 Pages

Accessing Consumer Perceptions of the Effectiveness of the Deposit Refund System

  • Aggeliki Konstantoglou,
  • Thomas Fotiadis,
  • Dimitris Folinas,
  • Athanasios Falaras and
  • Konstantinos Rotsios

12 June 2023

This study analyzes consumers’ perceptions of the Deposit Refund System (DRS) initiative in Greece. It aims firstly to measure the effectiveness of these systems in Greece. Secondly, based on elements from the Theory of Green Purchased Behavior...

  • Review
  • Open Access
12 Citations
5,035 Views
11 Pages

Preventive Therapy for Contacts of Drug-Resistant Tuberculosis

  • Yousra Kherabi,
  • Simone Tunesi,
  • Alexander Kay and
  • Lorenzo Guglielmetti

15 October 2022

Preventing the progression of a drug-resistant tuberculosis (DR-TB) infection to disease is an important pillar of the DR-TB elimination strategy. International guidelines have recently proposed fluoroquinolones for tuberculosis preventive therapy (T...

  • Article
  • Open Access
23 Citations
4,459 Views
23 Pages

Flexibility Potential of Space Heating Demand Response in Buildings for District Heating Systems

  • Dmytro Romanchenko,
  • Emil Nyholm,
  • Mikael Odenberger and
  • Filip Johnsson

26 July 2019

Using an integrated demand-supply optimization model, this work investigates the potential for flexible space heating demand, i.e., demand response (DR), in buildings, as well as its effects on the heating demand and the operation of a district heati...

  • Article
  • Open Access
22 Citations
4,727 Views
18 Pages

Towards the Handling Demand Response Optimization Model for Home Appliances

  • Jaclason M. Veras,
  • Igor Rafael S. Silva,
  • Plácido R. Pinheiro and
  • Ricardo A. L. Rabêlo

27 February 2018

The Demand Response (DR) is used by public electric utilities to encourage consumers to change their consumption profiles to improve the reliability and efficiency of the electric power system (EPS) and at the same time to minimize the electricity co...

  • Article
  • Open Access
7 Citations
3,367 Views
16 Pages

Calculation Method for Electricity Price and Rebate Level in Demand Response Programs

  • Hirotaka Takano,
  • Naohiro Yoshida,
  • Hiroshi Asano,
  • Aya Hagishima and
  • Nguyen Duc Tuyen

26 July 2021

Demand response programs (DRs) can be implemented with less investment costs than those in power plants or facilities and enable us to control power demand. Therefore, they are highly expected as an efficient option for power supply–demand-balancing...

  • Article
  • Open Access
15 Citations
3,793 Views
14 Pages

A Conceptual Framework to Describe Energy Efficiency and Demand Response Interactions

  • Andrew J. Satchwell,
  • Peter A. Cappers,
  • Jeff Deason,
  • Sydney P. Forrester,
  • Natalie Mims Frick,
  • Brian F. Gerke and
  • Mary Ann Piette

21 August 2020

Energy efficiency (EE) and demand response (DR) resources provide important utility systems and ratepayer benefits. At the same time, the rapid change in the amount and type of variable renewable energy, like solar and wind, is reshaping the role and...

  • Article
  • Open Access
5 Citations
3,419 Views
20 Pages

13 September 2024

Rapid technological advancements in recent years have opened the door to innovative solutions in the field of telecommunications and wireless systems; thus, new materials and manufacturing methods have been explored to satisfy this demand. This paper...

  • Article
  • Open Access
22 Citations
3,928 Views
13 Pages

Derivation and Validation of Essential Predictors and Risk Index for Early Detection of Diabetic Retinopathy Using Electronic Health Records

  • Ru Wang,
  • Zhuqi Miao,
  • Tieming Liu,
  • Mei Liu,
  • Kristine Grdinovac,
  • Xing Song,
  • Ye Liang,
  • Dursun Delen and
  • William Paiva

2 April 2021

Diabetic retinopathy (DR) is a leading cause for blindness among working-aged adults. The growing prevalence of diabetes urges for cost-effective tools to improve the compliance of eye examinations for early detection of DR. The objective of this res...

  • Article
  • Open Access
52 Citations
6,172 Views
19 Pages

11 April 2017

In recent deregulated power systems, demand response (DR) has become one of the most cost-effective and efficient solutions for smoothing the load profile when the system is under stress. By participating in DR programs, customers are able to change...

  • Article
  • Open Access
2 Citations
2,023 Views
26 Pages

8 December 2022

Demand-responsive control of electrically heated hot water storage tanks (HWSTs) is one solution, already present in the building stock, to stabilise volatile energy networks and markets. This has been put into sharp focus with the current energy cri...

  • Article
  • Open Access
6 Citations
2,593 Views
10 Pages

Rildo: Real-World Multicenter Study on the Effectiveness and Safety of Single-Tablet Regimen of Dolutegravir plus Rilpivirine in Treatment-Experienced People Living with HIV

  • Carmen Hidalgo-Tenorio,
  • David Vinuesa,
  • Coral García-Vallecillos,
  • Leopoldo Muñoz-Medina,
  • Sergio Sequera,
  • Rosario Javier,
  • Miguel Ángel López-Ruz,
  • Svetlana Sadyrbaeva-Dolgova and
  • Juan Pasquau

25 November 2022

Two-drug regimens (2DRs) are emerging in clinical practice guidelines as treatment option for both naive and treatment-experienced people living with HIV (PLHIV). Objectives: To determine the real-life effectiveness of 2DR with 25 mg RPV plus 50 mg D...

  • Article
  • Open Access
232 Citations
29,501 Views
22 Pages

26 May 2021

Diabetic retinopathy (DR) is a disease resulting from diabetes complications, causing non-reversible damage to retina blood vessels. DR is a leading cause of blindness if not detected early. The currently available DR treatments are limited to stoppi...

  • Article
  • Open Access
10 Citations
3,677 Views
12 Pages

Variability in Grading Diabetic Retinopathy Using Retinal Photography and Its Comparison with an Automated Deep Learning Diabetic Retinopathy Screening Software

  • Chin Sheng Teoh,
  • Kah Hie Wong,
  • Di Xiao,
  • Hung Chew Wong,
  • Paul Zhao,
  • Hwei Wuen Chan,
  • Yew Sen Yuen,
  • Thet Naing,
  • Kanagasingam Yogesan and
  • Victor Teck Chang Koh

Background: Diabetic retinopathy (DR) screening using colour retinal photographs is cost-effective and time-efficient. In real-world clinical settings, DR severity is frequently graded by individuals of different expertise levels. We aim to determine...

  • Article
  • Open Access
6 Citations
3,406 Views
13 Pages

Patients’ Perspective on Barriers to Utilization of a Diabetic Retinopathy Screening Service

  • Bismark Owusu-Afriyie,
  • Theresa Gende,
  • Martin Tapilas,
  • Nicholas Zimbare and
  • Jeffrey Kewande

11 September 2023

This study was conducted to determine the barriers to the utilization of diabetic retinopathy (DR) screening in Papua New Guinea (PNG). A list of patients booked for DR screening at Madang Provincial Hospital Eye Clinic (MPHEC) between January 2017 a...

  • Review
  • Open Access
12 Citations
6,822 Views
15 Pages

Examining the Role of Telemedicine in Diabetic Retinopathy

  • Matthew R. Land,
  • Parth A. Patel,
  • Tommy Bui,
  • Cheng Jiao,
  • Arsalan Ali,
  • Shadman Ibnamasud,
  • Prem N. Patel and
  • Veeral Sheth

18 May 2023

With the increasing prevalence of diabetic retinopathy (DR), screening is of the utmost importance to prevent vision loss for patients and reduce financial costs for the healthcare system. Unfortunately, it appears that the capacity of optometrists a...

  • Article
  • Open Access
11 Citations
7,625 Views
16 Pages

Diabetic Retinopathy Detection Using Convolutional Neural Networks with Background Removal, and Data Augmentation

  • Chaichana Suedumrong,
  • Suriya Phongmoo,
  • Tachanat Akarajaka and
  • Komgrit Leksakul

30 September 2024

Diabetic retinopathy (DR) is a potentially blinding complication affecting individuals with diabetes, where early diagnosis and treatment are crucial to preventing vision loss. Recent advances in deep learning have shown promise in automating DR diag...

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