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2,604 Results Found

  • Article
  • Open Access
7 Citations
3,408 Views
27 Pages

3 February 2022

The pursuit of excellent performance in meta-heuristic algorithms has led to a myriad of extensive and profound research and achievements. Notably, many space mission planning problems are solved with the help of meta-heuristic algorithms, and releva...

  • Article
  • Open Access
3 Citations
2,011 Views
10 Pages

16 July 2021

The article develops hierarchical population game models of co-evolutionary algorithms for solving the problem of multi-criteria optimization under uncertainty. The principles of vector minimax and vector minimax risk are used as the basic principles...

  • Article
  • Open Access
10 Citations
11,001 Views
16 Pages

We devise a hierarchical decision-making architecture for portfolio optimization on multiple markets. At the highest level a Deep Reinforcement Learning (DRL) agent selects among a number of discrete actions, representing low-level agents. For the lo...

  • Article
  • Open Access
3 Citations
2,996 Views
17 Pages

5 February 2020

To achieve the optimal operation of chemical processes in the presence of disturbances and uncertainty, a retrofit hierarchical architecture (HA) integrating real-time optimization (RTO) and control was proposed. The proposed architecture features tw...

  • Article
  • Open Access
12 Citations
3,925 Views
17 Pages

Biped Walking Based on Stiffness Optimization and Hierarchical Quadratic Programming

  • Xuanyang Shi,
  • Junyao Gao,
  • Yizhou Lu,
  • Dingkui Tian and
  • Yi Liu

2 March 2021

The spring-loaded inverted pendulum model is similar to human walking in terms of the center of mass (CoM) trajectory and the ground reaction force. It is thus widely used in humanoid robot motion planning. A method that uses a velocity feedback cont...

  • Article
  • Open Access
3 Citations
1,479 Views
21 Pages

Dynamic Hierarchical Optimization for Train-to-Train Communication System

  • Haifeng Song,
  • Mingxuan Xu,
  • Yu Cheng,
  • Xiaoqing Zeng and
  • Hairong Dong

26 December 2024

To enhance the operational efficiency of high-speed trains (HSTs), Train-to-Train (T2T) communication has received considerable attention. This paper introduces a T2T cooperative communication model that allows direct information exchange between HST...

  • Article
  • Open Access
1 Citations
1,912 Views
15 Pages

Industrial Process Control Using DPCA and Hierarchical Pareto Optimization

  • Dmitriy Arsenyev,
  • Galina Malykhina and
  • Viacheslav Shkodyrev

29 November 2023

The control of large-scale industrial systems has several criteria, such as ensuring high productivity, low production costs and the lowest possible environmental impact. These criteria must be established for all subsystems of the large-scale system...

  • Article
  • Open Access
34 Citations
5,067 Views
15 Pages

Dynamic Hierarchical Energy-Efficient Method Based on Combinatorial Optimization for Wireless Sensor Networks

  • Yuchao Chang,
  • Hongying Tang,
  • Yongbo Cheng,
  • Qin Zhao and
  • Baoqing Li andXiaobing Yuan

19 July 2017

Routing protocols based on topology control are significantly important for improving network longevity in wireless sensor networks (WSNs). Traditionally, some WSN routing protocols distribute uneven network traffic load to sensor nodes, which is not...

  • Article
  • Open Access
689 Views
27 Pages

6 November 2025

Integrated Sensing and Communication (ISAC)-enabled Roadside Units (RSUs) encounter significant performance trade-offs between target sensing and multi-user communication in complex urban environments, where conventional optimization methods are pron...

  • Feature Paper
  • Article
  • Open Access
7 Citations
2,432 Views
16 Pages

4 August 2022

In order to improve the operation performance of the multi-stage double-suction centrifugal pump and reduce the internal energy loss of the pump, this paper proposes a single-objective optimization design method based on the non-hierarchical response...

  • Article
  • Open Access
4 Citations
2,873 Views
18 Pages

7 May 2023

Public transportation is a crucial component of urban transportation systems, and improving passenger sharing rates can help alleviate traffic congestion. To enhance the punctuality and supply–demand balance of dedicated buses, we propose a hie...

  • Article
  • Open Access
4 Citations
3,386 Views
22 Pages

8 March 2022

Power outage prediction is important for planning electric power system response, restoration, and maintenance efforts. It is important for utility managers to understand the impact of outages on the local distribution infrastructure in order to deve...

  • Article
  • Open Access
15 Citations
2,357 Views
18 Pages

16 June 2023

Slope entropy (SlopEn) has been widely applied in fault diagnosis and has exhibited excellent performance, while SlopEn suffers from the problem of threshold selection. Aiming to further enhance the identifying capability of SlopEn in fault diagnosis...

  • Article
  • Open Access
1 Citations
1,830 Views
23 Pages

Fusion of Hierarchical Optimization Models for Accurate Power Load Prediction

  • Sicheng Wan,
  • Yibo Wang,
  • Youshuang Zhang,
  • Beibei Zhu,
  • Huakun Huang and
  • Jia Liu

12 August 2024

Accurate power load forecasting is critical to achieving the sustainability of energy management systems. However, conventional prediction methods suffer from low precision and stability because of crude modules for predicting short-term and medium-t...

  • Article
  • Open Access
355 Views
23 Pages

20 October 2025

This paper presents a hierarchical and step-by-step multi-objective genetic optimization method for the multi-port composite flux-modulated (MP-CFM) machine, aiming to propose a simpler and high-accuracy optimization strategy for such multi-port comp...

  • Article
  • Open Access
3 Citations
996 Views
36 Pages

25 February 2025

Supplying power to large, pulsed power loads in shipboard medium voltage direct current integrated power systems is challenging due to the limited dynamic power responsiveness of the gas turbine. The two main solutions to this problem are improving t...

  • Article
  • Open Access
60 Citations
9,086 Views
20 Pages

A Hierarchical Optimization Model for a Network of Electric Vehicle Charging Stations

  • Cuiyu Kong,
  • Raka Jovanovic,
  • Islam Safak Bayram and
  • Michael Devetsikiotis

11 May 2017

Charging station location decisions are a critical element in mainstream adoption of electric vehicles (EVs). The consumer confidence in EVs can be boosted with the deployment of carefully-planned charging infrastructure that can fuel a fair number o...

  • Article
  • Open Access
21 Citations
3,485 Views
23 Pages

20 July 2023

Hierarchical control has emerged as the main method for controlling hybrid microgrids. This paper presents a model of a hybrid microgrid that comprises both AC and DC subgrids, followed by the design of a three-layered control method. An economic obj...

  • Article
  • Open Access
2 Citations
1,701 Views
27 Pages

A Hierarchical Planning Method for AUV Search Tasks Based on the Snake Optimization Algorithm

  • Zhiwen Wen,
  • Zhong Wang,
  • Xiangdong Wen,
  • Chenxi Niu,
  • Pei Wang and
  • Daming Zhou

10 November 2024

In a complex and dynamic battlefield environment, enabling autonomous underwater vehicles (AUVs) to reach dynamic targets in the shortest possible time using global autonomous planning is a key issue affecting the completion of search tasks. In this...

  • Article
  • Open Access
15 Citations
7,453 Views
20 Pages

Trauma is considered a “modern civilized sickness”, and its occurrence substantially affects all of society, as well as individuals. The implementation of trauma emergency systems in cities with young, prosperous, and highly mobile populations is nec...

  • Article
  • Open Access
27 Citations
3,168 Views
18 Pages

7 November 2022

The Internet of Things (IoT) network integrates physical objects such as sensors, networks, and electronics with software to collect and exchange data. Physical objects with a unique IP address communicate with external entities over the internet to...

  • Article
  • Open Access
1,825 Views
27 Pages

26 March 2024

As consumers and governments prioritize cost-effectiveness and ecological sustainability, the limitations of traditional manufacturing paradigms become apparent in the context of constrained resources. The adverse effects of these paradigms on the en...

  • Article
  • Open Access
1 Citations
1,583 Views
17 Pages

Multi-Head Hierarchical Attention Framework with Multi-Level Learning Optimization Strategy for Legal Text Recognition

  • Ke Zhang,
  • Yufei Tu,
  • Jun Lu,
  • Zhongliang Ai,
  • Zhonglin Liu,
  • Licai Wang and
  • Xuelin Liu

Owing to the rapid increase in the amount of legal text data and the increasing demand for intelligent processing, multi-label legal text recognition is becoming increasingly important in practical applications such as legal information retrieval and...

  • Article
  • Open Access
2 Citations
1,602 Views
14 Pages

Enhanced Detection Precision of the Taiji Program by Frequency Setting Strategy Based on a Hierarchical Optimization Algorithm

  • Jiafeng Zhang,
  • Zhen Yang,
  • Xiaoshan Ma,
  • Xiaodong Peng,
  • Chen Gao,
  • Mengyuan Zhao and
  • Wenlin Tang

27 November 2023

For space-based gravitational wave detection, a laser interferometric measurement system composed of a three-spacecraft formation offers the most rewarding bandwidth of astrophysical sources. There are no oscillators available that are stable enough...

  • Article
  • Open Access
229 Views
37 Pages

16 December 2025

With the rapid advancement of offshore wind power, structural vibration induced by multi-source excitations in complex marine environments is a critical concern. This study developed a multi-degree-of-freedom (MDOF) dynamic model of an offshore wind...

  • Article
  • Open Access
2 Citations
1,169 Views
18 Pages

27 April 2025

Inverse lithography technology (ILT) plays a pivotal role in advanced semiconductor manufacturing because it enables pixel-level mask modifications, significantly enhances pattern fidelity, and expands process windows. However, traditional gradient-b...

  • Article
  • Open Access
1 Citations
2,291 Views
19 Pages

5 August 2024

The gas-gathering pipeline network is a critical infrastructure for collecting and conveying natural gas from the extraction site to the processing facility. This paper introduces a design optimization model for a star–tree gas-gathering pipeli...

  • Article
  • Open Access
3 Citations
2,830 Views
20 Pages

26 October 2023

The energy feedback system (EFS) is widely accepted to utilize the regenerative braking energy (RBE) in an urban rail traction power supply system (TPSS). However, the sharing relationship of RBE between EFS, traction trains and on-board braking resi...

  • Article
  • Open Access
2 Citations
1,691 Views
27 Pages

27 January 2025

Improving decision-making in the autonomous maneuvering of unmanned aerial vehicles (UAVs) is of great significance to improving flight safety, the mission execution rate, and environmental adaptability. The method of deep reinforcement learning make...

  • Article
  • Open Access
9 Citations
2,576 Views
27 Pages

With extensive access to distributed power sources and the rising electricity load, the structure and tide of distribution networks are becoming increasingly large and complex, leading to great challenges for fault location methods. In this paper, th...

  • Article
  • Open Access
1 Citations
1,746 Views
16 Pages

7 September 2023

With the advantages of non-pollution and energy-saving, hydrogen fuel cell hybrid vehicles (HFCHVs) are regarded as one of the potential traveling ways in the future. The energy management of FCHVs has a huge energy-efficient potential which is combi...

  • Article
  • Open Access
1 Citations
839 Views
26 Pages

Multi-vessel formation shipping demonstrates significant potential for enhancing maritime transportation efficiency and economy. However, existing route planning systems inadequately address the unique challenges of formations, where traditional meth...

  • Article
  • Open Access
19 Citations
2,286 Views
30 Pages

2 September 2022

It is difficult for rolling bearings to realize high-precision fault diagnosis with variable speed. To obtain the features of variable speed fault signal effectively and complete the classification work of high accuracy, robust local mean decompositi...

  • Feature Paper
  • Article
  • Open Access
600 Views
21 Pages

23 October 2025

Electric vehicle (EV) charging presents both a challenge and an opportunity for modern power systems, particularly in workplace environments with grid constraints and dynamic energy pricing. This study presents a real-life implementation and experime...

  • Article
  • Open Access
4 Citations
2,345 Views
19 Pages

Heterogeneous cluster-based multi/many-core systems (e.g., ARM big.LITTLE, supporting dynamic voltage and frequency scaling (DVFS) at cluster level and dynamic power management (DPM) at core level) have attracted much attention to optimize energy on...

  • Article
  • Open Access
1 Citations
409 Views
19 Pages

11 October 2025

The randomness and volatility of wind power increase peak regulation pressure, leading to wind curtailment despite the deep peak regulation efforts of thermal power units. By integrating conventional power source dispatch and high-energy-consuming lo...

  • Article
  • Open Access
627 Views
23 Pages

15 October 2025

To reduce the renewable energy waste and carbon emissions predicted for the current expansion plan, this study proposes a hierarchical collaborative optimization model for the planning of generation and transmission expansion plan in cross-regional p...

  • Article
  • Open Access
3,818 Views
15 Pages

3 January 2025

This paper addresses the fundamental challenge of achieving stable and efficient walking in a lightweight, underactuated humanoid robot that lacks an ankle roll degree of freedom. To tackle this relevant critical problem, we present a hierarchical op...

  • Article
  • Open Access
10 Citations
3,533 Views
17 Pages

2 November 2021

Equal accessibility to healthcare services is essential to the achievement of health equality. Recent studies have made important progresses in leveraging GIS-based location–allocation models to optimize the equality of healthcare accessibility, but...

  • Article
  • Open Access
6 Citations
3,031 Views
15 Pages

8 July 2024

This paper presents a study on controlling a rotary inverted pendulum (RIP) system using a hierarchical sliding mode control (HSMC) approach. The objective is to swing up and stabilize the pendulum at a desired position. The proposed HSMC controller...

  • Article
  • Open Access
1 Citations
1,373 Views
36 Pages

15 July 2025

Trajectory planning is crucial for solar aircraft endurance. The multi-wing morphing solar aircraft can enhance solar energy acquisition through wing deflection, which simultaneously incurs aerodynamic losses, complicating energy coupling and challen...

  • Article
  • Open Access
984 Views
22 Pages

1 November 2025

The coordination of heterogeneous Unmanned Aerial Vehicles (UAVs) for complex, multi-stage tasks presents a significant challenge in robotics and autonomous systems. Traditional linear models often fail to capture the emergent synergistic effects and...

  • Article
  • Open Access
2 Citations
847 Views
22 Pages

10 May 2025

Efficient extraction and classification of fault features remain critical challenges in planetary gearbox fault diagnosis. A fault diagnosis framework is proposed that integrates hierarchical refined composite multiscale fuzzy entropy (HRCMFE) for fe...

  • Article
  • Open Access
9 Citations
3,568 Views
18 Pages

Intelligent connected vehicles (ICVs) technologies will bring significant changes to future transportation, and urban intersections will be an important scenario for the application of ICVs. There exists one significant challenge to address for the c...

  • Article
  • Open Access
2 Citations
3,289 Views
18 Pages

16 March 2022

For long-distance and bulk-power delivery of new energy, high-voltage direct current (HVDC) is a more effective way than high-voltage alternative current (HVAC). In view of the current capacity disparity between line commutated converter (LCC) and vo...

  • Article
  • Open Access
46 Citations
3,408 Views
18 Pages

15 October 2018

The integrated energy system (IES) has the characteristic of energy system integrated/multi-energy coupling that involves heat, cooling, electricity, natural gas, and various other energy forms, which can maximize the synergistic effects and compleme...

  • Article
  • Open Access
9 Citations
5,990 Views
17 Pages

8 December 2016

With the levels of confidence and system complexity, interval forecasts and entropy analysis can deliver more information than point forecasts. In this paper, we take receivers’ demands as our starting point, use the trade-off model between accuracy...

  • Proceeding Paper
  • Open Access
2 Citations
1,862 Views
6 Pages

Optimal Robot Path Selection Using Fuzzy Analytical Hierarchical Process

  • Abhijeet Ravankar,
  • Ankit A. Ravankar,
  • Yukinori Kobayashi and
  • Takanori Emaru

14 November 2017

Mobile robots are faced with problems (for ex. path planning) with many alternative solutions (ex. paths) based on several factors, and they must make a selection by quantifying the factors and mathematically evaluating the alternative solutions. Rob...

  • Article
  • Open Access
20 Citations
4,489 Views
18 Pages

5 September 2017

Research on the operation of the multiple microgrid (MMG) has been increasing as the power system is operated through the microgrid. Some of the studies related to MMG have introduced various operation strategies by introducing concepts such as power...

  • Article
  • Open Access
3 Citations
2,703 Views
16 Pages

4 March 2023

This research proposed an optimal control approach for a smart grid electrical system with photovoltaic generation, where the control variables are voltage and frequency, which aims to improve the performance through addressing the need for a balance...

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