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17,823 Results Found

  • Article
  • Open Access
15 Citations
4,108 Views
19 Pages

Powertrain Optimization for Electric Buses under Optimal Energy-Efficient Driving

  • Alexander Koch,
  • Olaf Teichert,
  • Svenja Kalt,
  • Aybike Ongel and
  • Markus Lienkamp

6 December 2020

State of the art powertrain optimization compares the energy consumption of different powertrain configurations based on simulations with fixed driving cycles. However, this approach might not be applicable to future vehicles, since speed advisory sy...

  • Article
  • Open Access
20 Citations
3,558 Views
17 Pages

13 October 2020

This paper proposes an energy-efficient cluster head selection method in the wireless ad hoc network by using a hybrid quantum-classical approach. The wireless ad hoc network is divided into several clusters via cluster head selection, and the perfor...

  • Feature Paper
  • Article
  • Open Access
5 Citations
7,087 Views
21 Pages

Analysis of Energy Consumption and Optimization Techniques for Writing Energy-Efficient Code

  • Javier Corral-García,
  • Felipe Lemus-Prieto,
  • José-Luis González-Sánchez and
  • Miguel-Ángel Pérez-Toledano

19 October 2019

The unprecedented growth of connected devices, together with the remarkable convergence of a wide variety of technologies, have led to an exponential increase in the services that the internet of things (IoT) can offer, all aimed at improving quality...

  • Article
  • Open Access
12 Citations
10,764 Views
24 Pages

5 September 2007

This paper studies the target tracking problem in wireless sensor networkswhere sensor nodes are deployed randomly. To achieve tracking accuracy constrained byenergy consumption, an energy-efficient optimization approach that enablesreorganization of...

  • Article
  • Open Access
76 Citations
5,205 Views
16 Pages

Energy-Efficient Scheduling for a Job Shop Using an Improved Whale Optimization Algorithm

  • Tianhua Jiang,
  • Chao Zhang,
  • Huiqi Zhu,
  • Jiuchun Gu and
  • Guanlong Deng

28 October 2018

Under the current environmental pressure, many manufacturing enterprises are urged or forced to adopt effective energy-saving measures. However, environmental metrics, such as energy consumption and CO2 emission, are seldom considered in the traditio...

  • Article
  • Open Access
18 Citations
10,180 Views
24 Pages

A Transmission Power Optimization with a Minimum Node Degree for Energy-Efficient Wireless Sensor Networks with Full-Reachability

  • Yi-Ting Chen,
  • Mong-Fong Horng,
  • Chih-Cheng Lo,
  • Shu-Chuan Chu,
  • Jeng-Shyang Pan and
  • Bin-Yih Liao

20 March 2013

Transmission power optimization is the most significant factor in prolonging the lifetime and maintaining the connection quality of wireless sensor networks. Un-optimized transmission power of nodes either interferes with or fails to link neighboring...

  • Proceeding Paper
  • Open Access
1,682 Views
5 Pages

Recent Design Optimization Methods for Energy-Efficient Electric Motors and Derived Requirements for a New Improved Method—Part 2

  • Johannes Schmelcher,
  • Max Kleine Büning,
  • Kai Kreisköther,
  • Dieter Gerling and
  • Achim Kampker

26 October 2018

Designing energy-efficient electric motor is a task where multiple goals have to be achieved at once. To find the best design possible, different approaches have been developed. In part one of this multipart paper, the characteristics of the design o...

  • Article
  • Open Access
134 Citations
7,864 Views
17 Pages

6 February 2023

The internet of things (IoT) and industrial IoT (IIoT) play a major role in today’s world of intelligent networks, and they essentially use a wireless sensor network (WSN) as a perception layer to collect the intended data. This data is process...

  • Proceeding Paper
  • Open Access
1,591 Views
5 Pages

Recent Design Optimization Methods for Energy-Efficient Electric Motors and Derived Requirements for a New Improved Method—Part 3

  • Johannes Schmelcher,
  • Max Kleine Büning,
  • Kai Kreisköther,
  • Dieter Gerling and
  • Achim Kampker

26 October 2018

The design of energy-efficient electric motor is a complex problem since diverse requirements and competing goals have to be fulfilled simultaneously. Therefore, different approaches to the design optimization of electric motors have been developed,...

  • Proceeding Paper
  • Open Access
1,885 Views
5 Pages

Recent Design Optimization Methods for Energy-Efficient Electric Motors and Derived Requirements for a New Improved Method—Part 1

  • Johannes Schmelcher,
  • Max Kleine Büning,
  • Kai Kreisköther,
  • Dieter Gerling and
  • Achim Kampker

26 October 2018

Energy-efficient electric motors are gathering an increased attention since they are used in electric cars or to reduce operational costs, for instance. Due to their high efficiency, permanent-magnet synchronous motors are used progressively more. Ho...

  • Article
  • Open Access
1,579 Views
17 Pages

17 November 2025

The rapid growth of Internet of Things (IoT) deployments has created an urgent need for energy-efficient communication strategies that can adapt to dynamic operational conditions. This study presents a novel adaptive protocol selection framework that...

  • Article
  • Open Access
4 Citations
2,905 Views
28 Pages

21 September 2021

This paper presents results of a study that focuses on developing a genetic algorithm (GA) for multi-criteria optimization of orthotropic, energy-efficient cementitious composite sandwich panels (CSP). The current design concept of all commercially p...

  • Review
  • Open Access
8 Citations
5,073 Views
17 Pages

23 March 2022

This article reviews the accomplishments of studies in which optimization tools were used to develop energy-efficient and sustainable construction schedules. With the increase in global awareness of environmental issues, the construction industry has...

  • Article
  • Open Access
3 Citations
3,659 Views
48 Pages

2 March 2022

In this paper, we apply a Markov decision process to find the optimal asynchronous dynamic policy of an energy-efficient data center with two server groups. Servers in Group 1 always work, while servers in Group 2 may either work or sleep, and a fast...

  • Article
  • Open Access
77 Citations
15,281 Views
21 Pages

10 May 2007

The limited energy supply of wireless sensor networks poses a great challenge for the deployment of wireless sensor nodes. In this paper, we focus on energy-efficient coverage with distributed particle swarm optimization and simulated annealing. Firs...

  • Article
  • Open Access
23 Citations
3,791 Views
20 Pages

9 September 2020

In modern surveillance systems, the use of unmanned aerial vehicles (UAVs) has been actively discussed in order to extend target monitoring areas, even for an extreme circumstances. This paper proposes an energy-efficient UAV-based surveillance syste...

  • Article
  • Open Access
19 Citations
3,899 Views
14 Pages

20 December 2018

Visible light communications (VLCs) utilizing multi-color light-emitting diodes (LEDs) can achieve a high modulation bandwidth and high-quality illumination compared with phosphor-converted LEDs, which have attracted much attention. However, the spec...

  • Article
  • Open Access
231 Views
27 Pages

6 January 2026

The study presents the design and simulation of a pneumatic drive unit intended for energy-efficient vehicle propulsion. The research focuses on developing a MATLAB 23.2/Simulink-based model that accurately represents the dynamic behavior of double-a...

  • Article
  • Open Access
6 Citations
3,776 Views
27 Pages

Design Optimization of Energy-Efficient Residential Buildings in Morocco

  • Karim Boumlik,
  • Rafik Belarbi,
  • Mohammed Ahachad,
  • Mustapha Mahdaoui,
  • Hassan Radoine and
  • Moncef Krarti

7 December 2024

In this paper, an optimization-based analysis approach is presented to cost-effectively improve the energy efficiency of residential buildings in Morocco. This study introduces a unique focus on the Moroccan context, where a comprehensive application...

  • Article
  • Open Access
2 Citations
5,030 Views
26 Pages

Probability of Interference-Optimal and Energy-Efficient Analysis for Topology Control in Wireless Sensor Networks

  • Ning Li,
  • José-Fernán Martínez-Ortega,
  • Vicente Hernández Diaz and
  • Juan Manuel Meneses Chaus

30 November 2016

Because wireless sensor networks (WSNs) have been widely used in recent years, how to reduce their energy consumption and interference has become a major issue. Topology control is a common and effective approach to improve network performance, such...

  • Article
  • Open Access
1 Citations
1,257 Views
24 Pages

3 January 2025

Vertical addition to already-existing structures is an approach to energy-efficient building renovation. It presents an opportunity for the densification of built-up areas and the construction of new usable spaces. While many studies have dealt with...

  • Article
  • Open Access
6 Citations
4,277 Views
21 Pages

20 January 2022

Low-altitude cellular-enabled Unmanned Aerial Vehicles (UAVs) provide potential supplementary platforms to assist air-to-ground cooperative communication. This paper investigates a joint safety information interaction scheme for a UAV-enabled network...

  • Article
  • Open Access
17 Citations
2,928 Views
23 Pages

18 March 2021

The two-sided disassembly line is popular for its high-efficiency disassembly of large-volume end-of-life products. However, in the process of two-sided disassembly, some parts and components need to be disassembled in parallel, and the uncertainty o...

  • Review
  • Open Access
3 Citations
3,173 Views
20 Pages

Survey on Optimization Models for Energy-Efficient Computing Systems

  • Joanna Józefowska,
  • Mariusz Nowak,
  • Rafał Różycki and
  • Grzegorz Waligóra

19 November 2022

Energy has become the most expensive and critical resource for all kinds of human activities. At the same time, all areas of our lives strongly depend on Information and Communication Technologies (ICT). It is not surprising that energy efficiency ha...

  • Article
  • Open Access
3 Citations
1,572 Views
36 Pages

Algorithmic Optimal Control of Screw Compressors for Energy-Efficient Operation in Smart Power Systems

  • Kassym Yelemessov,
  • Dinara Baskanbayeva,
  • Leyla Sabirova,
  • Nikita V. Martyushev,
  • Boris V. Malozyomov,
  • Tatayeva Zhanar and
  • Vladimir I. Golik

14 September 2025

This work presents the results of a research study focused on the development and evaluation of an algorithmic optimal control framework for energy-efficient operation of screw compressors in smart power systems. The proposed approach is based on the...

  • Article
  • Open Access
24 Citations
4,117 Views
20 Pages

Dynamic Resource Optimization for Energy-Efficient 6G-IoT Ecosystems

  • James Adu Ansere,
  • Mohsin Kamal,
  • Izaz Ahmad Khan and
  • Muhammad Naveed Aman

12 May 2023

The problem of energy optimization for Internet of Things (IoT) devices is crucial for two reasons. Firstly, IoT devices powered by renewable energy sources have limited energy resources. Secondly, the aggregate energy requirement for these small and...

  • Article
  • Open Access
29 Citations
2,818 Views
25 Pages

15 July 2022

In wireless sensor networks (WSN), most sensor nodes are powered by batteries with limited power, meaning the quality of the network may deteriorate at any time. Therefore, to reduce the energy consumption of sensor nodes and extend the lifetime of t...

  • Article
  • Open Access
472 Views
15 Pages

27 October 2025

In this study, we developed an energy-efficient multi-user-associated optimization method involving a massive multi-input multi-output (M-MIMO) system-enabled Cloud Radio Access Network (C-RAN) in Full-Duplex (FD) mode. Maximization of energy efficie...

  • Article
  • Open Access
19 Citations
5,141 Views
23 Pages

17 September 2018

Mobile Edge Computing (MEC) has evolved into a promising technology that can relieve computing pressure on wireless devices (WDs) in the Internet of Things (IoT) by offloading computation tasks to the MEC server. Resource management and allocation ar...

  • Feature Paper
  • Article
  • Open Access
3 Citations
2,817 Views
40 Pages

Energy-Efficient Train Driving Based on Optimal Control Theory

  • Wolfram Heineken,
  • Marc Richter and
  • Torsten Birth-Reichert

19 September 2023

Efficient train driving plays a vital role in reducing the overall energy consumption in the railway sector. An energy minimising control strategy can be computed using the framework given by optimal control theory; in particular, the Pontryagin maxi...

  • Article
  • Open Access
6 Citations
3,262 Views
13 Pages

Vacuum-based handling, used in many applications and industries, offers great flexibility and fast handling processes. However, due to significant energy conversion losses from electrical energy to the useable suction flow, vacuum-based handling is h...

  • Article
  • Open Access
6 Citations
2,260 Views
15 Pages

7 September 2023

Unmanned aerial vehicles (UAVs) providing additional on-demand communication and computing services have become a promising technology. However, the limited energy supply of UAVs, which constrains their service duration, has emerged as an obstacle in...

  • Article
  • Open Access
29 Citations
3,112 Views
16 Pages

Hybrid K-Medoids with Energy-Efficient Sunflower Optimization Algorithm for Wireless Sensor Networks

  • Shaha Al-Otaibi,
  • Venkatesan Cherappa,
  • Thamaraimanalan Thangarajan,
  • Ramalingam Shanmugam,
  • Prithiviraj Ananth and
  • Sivaramakrishnan Arulswamy

25 March 2023

Wireless sensor network (WSN) sensor nodes should have adequate energy. Reduced energy usage is essential to maximize the endurance of WSNs. Combining WSN with a more significant energy source, a cluster head (CH), is another effective strategy for e...

  • Article
  • Open Access
5 Citations
4,710 Views
17 Pages

29 December 2017

The recognition of the user’s context with wearable sensing systems is a common problem in ubiquitous computing. However, the typically small battery of such systems often makes continuous recognition impractical. The strain on the battery can be red...

  • Article
  • Open Access
1 Citations
1,444 Views
20 Pages

Energy-Efficient Target Area Imaging for UAV-SAR-Based ISAC: Beamforming Design and Trajectory Optimization

  • Jiayi Zhou,
  • Xiangyin Zhang,
  • Kaiyu Qin,
  • Feng Yang,
  • Libo Wang and
  • Deyu Song

17 June 2025

Integrated Sensing and Communication (ISAC) has been enhanced to serve as a pivotal enabler for next-generation communication systems. In the context of target area detection, a UAV-SAR (Unmanned Aerial Vehicle–Synthetic Aperture Radar) based I...

  • Article
  • Open Access
11 Citations
3,004 Views
13 Pages

Energy-Efficient Trajectory Optimization for UAV-Based Hybrid FSO/RF Communications with Buffer Constraints

  • Rong-Rong Lu,
  • Yang Ma,
  • Sheng-Hong Lin,
  • Bingyuan Zhang,
  • Qinglin Wang and
  • Jin-Yuan Wang

28 November 2021

This paper focuses on an unmanned aerial vehicle (UAV) assisted hybrid free-space optical (FSO)/radio frequency (RF) communication system. Considering the rate imbalance between the FSO and RF links, a buffer is employed at the UAV. Initially, theore...

  • Article
  • Open Access
359 Views
23 Pages

The rapid advancement of low-Earth-orbit (LEO) satellite constellations and unmanned aerial vehicles (UAVs) has positioned space–air–ground integrated networks as a key enabler of large-scale IoT services. However, ensuring reliable end-to-end operat...

  • Article
  • Open Access
7 Citations
4,549 Views
11 Pages

27 September 2019

Heterogeneous cellular networks (HCNs) have emerged as the primary solution for explosive data traffic. However, an increase in the number of base stations (BSs) inevitably leads to an increase in energy consumption. Energy efficiency (EE) has become...

  • Article
  • Open Access
7 Citations
2,204 Views
19 Pages

18 August 2023

This paper proposes an intelligent reflecting surface (IRS)-assisted energy efficiency optimization algorithm to address the problem of energy efficiency (EE) degradation in high-speed rail communication systems caused by line-of-sight link blockages...

  • Article
  • Open Access
28 Citations
6,196 Views
21 Pages

A Novel Energy-Efficiency Optimization Approach Based on Driving Patterns Styles and Experimental Tests for Electric Vehicles

  • Juan Diego Valladolid,
  • Diego Patino,
  • Giambattista Gruosso,
  • Carlos Adrián Correa-Flórez,
  • José Vuelvas and
  • Fabricio Espinoza

This article proposes an energy-efficiency strategy based on the optimization of driving patterns for an electric vehicle (EV). The EV studied in this paper is a commercial vehicle only driven by a traction motor. The motor drives the front wheels in...

  • Article
  • Open Access
11 Citations
2,430 Views
16 Pages

EETO-GA: Energy Efficient Trajectory Optimization of UAV-IoT Collaborative System Using Genetic Algorithm

  • M M Hafizur Rahman,
  • Mohammed Al-Naeem,
  • Anuradha Banerjee and
  • Abu Sufian

16 February 2023

Unmanned aerial vehicle (UAVs) is capable of adding significant potential to the internet of thing (IoT) devices and hence smart UAV–IoT collaborative system has attracted the attention of many researchers. This system has to be energy efficien...

  • Article
  • Open Access
6 Citations
4,165 Views
22 Pages

8 August 2024

The conversion from building information modeling (BIM) to building energy modeling (BEM) based on the industry foundation classes (IFC) data standard is a crucial step for efficient building energy design and energy performance analysis. The scope e...

  • Article
  • Open Access
2 Citations
1,392 Views
24 Pages

Energy-Efficient Optimization Method for Timetable Adjusting in Urban Rail Transit

  • Lianbo Deng,
  • Shiyu Tang,
  • Ming Chen,
  • Ying Zhang,
  • Yuanyuan Tian and
  • Qun Chen

28 June 2025

For a given timetable in urban rail transit systems, this paper presents a practical energy efficiency optimization problem that carries out adjustments to the timetable, with the goal of energy saving. We propose two strategies to address this chall...

  • Article
  • Open Access
33 Citations
8,598 Views
27 Pages

7 January 2020

As the world population is increasing rapidly, food and water demands are the most crucial problem for humanity. In some areas of the world, water or environment is unsuitable for plant growth; hydroponic systems can provide a suitable environment fo...

  • Article
  • Open Access
52 Citations
13,044 Views
23 Pages

1 June 2018

Healthy fish production requires intensive care and ensuring stable and healthy production environment inside the farm tank is a challenging task. An Internet of Things (IoT) based automated system is highly desirable that can continuously monitor th...

  • Article
  • Open Access
25 Citations
4,868 Views
17 Pages

Energy-Efficient Train Driving Strategy with Considering the Steep Downhill Segment

  • Wentao Liu,
  • Tao Tang,
  • Shuai Su,
  • Jiateng Yin,
  • Yuan Cao and
  • Cheng Wang

3 February 2019

Implementation of energy-efficient train driving strategy is an effective method to save train traction energy consumption, which has attracted much attention from both researchers and practitioners in recent years. Reducing the unnecessary braking d...

  • Article
  • Open Access
26 Citations
5,028 Views
28 Pages

27 February 2022

Low-carbon sustainable development has become the consensus of manufacturing enterprises to fulfill their social responsibilities. Facility layout is an essential part of manufacturing system planning. Current research has demonstrated the advantages...

  • Article
  • Open Access
46 Citations
8,880 Views
25 Pages

13 November 2014

Metro systems are one of the most important transportation systems in people’s lives. Due to the huge amount of energy it consumes every day, highly-efficient operation of a metro system will lead to significant energy savings. In this paper, a new i...

  • Article
  • Open Access
2 Citations
2,606 Views
15 Pages

19 February 2023

Because of the short distance between stations in urban rail transit, frequent braking of urban rail trains during operation will generate a large amount of regenerative braking energy. Urban rail trains can reduce their actual traction energy consum...

  • Article
  • Open Access
16 Citations
3,143 Views
22 Pages

Analyzing Wind Energy Potential Using Efficient Global Optimization: A Case Study for the City Gdańsk in Poland

  • Olgun Aydin,
  • Bartłomiej Igliński,
  • Krzysztof Krukowski and
  • Marek Siemiński

26 April 2022

Wind energy (WE), which is one of the renewable energy (RE) sources for generating electricity, has been making a significant contribution to obtaining clean and green energy in recent years. Fitting an appropriate statistical distribution to the win...

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