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4,204 Results Found

  • Article
  • Open Access
1 Citations
2,105 Views
16 Pages

CubeSat Mission Scheduling Method Considering Operational Reliability

  • Jingjing Zhang,
  • Chenyang He,
  • Yan Zhang,
  • Xianjun Qi and
  • Xi Yang

19 January 2024

Mission scheduling is an effective method to increase the value of satellite missions and can greatly improve satellite resource management and quality of service. Based on the priority-based task scheduling model, this paper proposes a CubeSat sched...

  • Article
  • Open Access
920 Views
27 Pages

26 September 2025

With the surge in global maritime trade of new energy vehicles (NEVs), the roll-on/roll-off (Ro-Ro) shipping market faces a severe supply–demand imbalance, pushing shipping rates to persistently high levels. To tackle this challenge, NEV manufa...

  • Article
  • Open Access
32 Citations
4,331 Views
27 Pages

A Deep Neural Network-Assisted Approach to Enhance Short-Term Optimal Operational Scheduling of a Microgrid

  • Fatma Yaprakdal,
  • M. Berkay Yılmaz,
  • Mustafa Baysal and
  • Amjad Anvari-Moghaddam

22 February 2020

The inherent variability of large-scale renewable energy generation leads to significant difficulties in microgrid energy management. Likewise, the effects of human behaviors in response to the changes in electricity tariffs as well as seasons result...

  • Article
  • Open Access
585 Views
15 Pages

25 November 2025

In capital-intensive industries, operational knowledge is often trapped in unstructured technical manuals, creating a barrier to efficient and reliable maintenance planning. This work addresses the need for an integrated system that can automate know...

  • Article
  • Open Access
16 Citations
6,101 Views
20 Pages

26 October 2020

Hydrocarbon supply chain (HCSC) is a complex network that extends from oil and gas fields to demand nodes. Integrating operation and maintenance activities along this complex network is crucial since the hydrocarbon industry is the most influential s...

  • Feature Paper
  • Article
  • Open Access
39 Citations
4,266 Views
23 Pages

9 May 2019

This paper proposes an optimal operational scheduling of a reconfigurable multi-microgrid (MG) distribution system complemented by demand response programs and Energy Storage Systems (ESSs) in an uncertain environment. Since there is a set of competi...

  • Article
  • Open Access
28 Citations
3,658 Views
17 Pages

15 May 2019

Passive distribution networks are being converted into active ones by incorporating distributed means of energy generation, consumption, and storage, and the formation of so-called microgrids (MGs). As the next generation of MGs, reconfigurable micro...

  • Article
  • Open Access
13 Citations
4,445 Views
16 Pages

12 February 2017

This paper presents linear programming (LP) formulations for short-term energy time-shift operational scheduling with energy storage systems (ESSs) in power grids. In particular, it is shown that the conventional nonlinear formulations for electric b...

  • Article
  • Open Access
21 Citations
3,729 Views
19 Pages

19 July 2018

Due to the recent developments in the practical implementation of remotely controlled switches (RCSs) in the smart distribution system infrastructure, distribution system operators face operational challenges in the hourly reconfigurable environment....

  • Review
  • Open Access
4 Citations
1,433 Views
24 Pages

Lot-Streaming Workshop Scheduling with Operation Flexibility: Review and Extension

  • Zhiqiang Tian,
  • Xingyu Jiang,
  • Weijun Liu,
  • Baohai Zhao,
  • Shun Liu,
  • Qingze Tan and
  • Guangdong Tian

9 April 2025

Lot-streaming scheduling methods with operation flexibility have been widely used in aerospace, semiconductor, automotive, pharmaceutical and other manufacturing enterprises. Lot-splitting scheduling methods have attracted much more attention from ac...

  • Article
  • Open Access
8 Citations
2,580 Views
13 Pages

27 April 2021

Operation scheduling in electric power grids is one of the most practical optimization problems as it sets a target for the efficient management of the electric power supply and demand. Advancement of a method to solve this issue is crucially require...

  • Article
  • Open Access
1 Citations
1,768 Views
34 Pages

11 October 2024

Managing uncertainty in surgery times presents a critical challenge in operating room (OR) scheduling, as it can have a significant impact on patient care and hospital efficiency. Objectives: By incorporating robustness into the decision-making proce...

  • Feature Paper
  • Article
  • Open Access
12 Citations
6,347 Views
26 Pages

30 May 2017

A short-term schedule for crude oil operations in a refinery should define and sequence the activities in detail. Each activity involves both discrete-event and continuous variables. The combinatorial nature of the scheduling problem makes it difficu...

  • Article
  • Open Access
1,704 Views
22 Pages

27 November 2023

The full-cycle operation optimization of the acetylene hydrogenation reactor should strictly adhere to the operation optimization scheme within the operation cycle, regardless of scheduling changes. However, in actual industrial processes, in order t...

  • Article
  • Open Access
10 Citations
2,918 Views
8 Pages

26 July 2019

In this paper, we study two scheduling problems on a single machine with rejection and an operator non-availability interval. In the operator non-availability interval, no job can be started or be completed. However, a crossover job is allowed such t...

  • Article
  • Open Access
36 Citations
5,865 Views
23 Pages

3 September 2018

The efficient scheduling of carrier aircraft support operations in the flight deck is important for battle performances. The supporting operations and maintenance processes involve multiple support resources, complex scheduling process, and multiple...

  • Article
  • Open Access
22 Citations
5,075 Views
19 Pages

2 February 2021

Many healthcare institutions are interested in reducing costs and in maintaining a good quality of care. The operating room department is typically one of the most costly units in a hospital. Hospital managers are always interested in finding effecti...

  • Article
  • Open Access
5 Citations
4,949 Views
22 Pages

Harvester Maintenance Resource Scheduling Optimization, Based on the Combine Harvester Operation and Maintenance Platform

  • Weipeng Zhang,
  • Bo Zhao,
  • Liming Zhou,
  • Jizhong Wang,
  • Conghui Qiu,
  • Kang Niu and
  • Fengzhu Wang

9 September 2022

The combine harvester is the main machine for fieldwork during the harvest season. When the harvester fails and cannot continue to work, this indirectly affects the harvest time and the yield in the field. The emergency maintenance service of agricul...

  • Article
  • Open Access
19 Citations
5,846 Views
26 Pages

6 February 2019

A microgrid is a group of many small-scale distributed energy resources, such as solar/wind energy sources, diesel generators, energy storage units, and electric loads. As a small-scale power grid, it can be operated independently or within an existi...

  • Article
  • Open Access
14 Citations
3,602 Views
24 Pages

23 May 2022

Operation scheduling of apron support vehicles is an important factor affecting aircraft support capability. However, at present, the traditional support methods have the problems of low utilization rate of support vehicles and low support efficiency...

  • Review
  • Open Access
4 Citations
2,064 Views
57 Pages

26 August 2025

Port seaside scheduling, involving berth allocation, quay crane, and tugboat scheduling, is central to intelligent port operations. This survey reviews and statistically analyzes 152 academic publications from 2000 to 2025 that focus on optimization...

  • Article
  • Open Access
4 Citations
3,594 Views
15 Pages

25 May 2023

In this paper, operating room planning and scheduling problems have been studied. In operating room planning, the allocation of patients to operating rooms and their sequencing are critical in determining the performance of operating rooms. In this p...

  • Article
  • Open Access
6 Citations
2,961 Views
29 Pages

An Experimental Study of Grouping Mutation Operators for the Unrelated Parallel-Machine Scheduling Problem

  • Octavio Ramos-Figueroa,
  • Marcela Quiroz-Castellanos,
  • Efrén Mezura-Montes and
  • Nicandro Cruz-Ramírez

The Grouping Genetic Algorithm (GGA) is an extension to the standard Genetic Algorithm that uses a group-based representation scheme and variation operators that work at the group-level. This metaheuristic is one of the most used to solve combinatori...

  • Article
  • Open Access
6 Citations
6,658 Views
20 Pages

24 January 2023

A new version of a robot operating system (ROS-2) has been developed to address the real-time and fault constraints of distributed robotics applications. However, current implementations lack strong real-time scheduling and the optimization of respon...

  • Article
  • Open Access
4 Citations
2,174 Views
24 Pages

An Optimal Scheduling Method of Shared Energy Storage System Considering Distribution Network Operation Risk

  • Jiahao Chen,
  • Bing Sun,
  • Yuan Zeng,
  • Ruipeng Jing,
  • Shimeng Dong and
  • Jingran Wang

2 March 2023

Shared energy storage systems (SESS) have been gradually developed and applied to distribution networks (DN). There are electrical connections between SESSs and multiple DN nodes; SESSs could significantly improve the power restoration potential and...

  • Article
  • Open Access
25 Citations
8,565 Views
24 Pages

11 March 2019

The achievement of health organizations’ goals is critically important for profitability. For this purpose, their resources, materials, and equipment should be efficiently used in the services they provide. A hospital has sensitive and expensiv...

  • Article
  • Open Access
2 Citations
1,933 Views
21 Pages

31 January 2024

The increasing demand for storing various types of goods has led to a raise in the need for storage capacity in warehousing systems. Autonomous vehicle storage and retrieval systems (AVS/RSs) offer high flexibility by allowing different configuration...

  • Article
  • Open Access
8 Citations
2,724 Views
18 Pages

11 December 2022

The operating conditions of all-electric tugboats are flexible and changeable. They are more complicated than conventional vessels in terms of joint voyages and power generation scheduling. To guarantee the reliable operation of the ship, a new coord...

  • Article
  • Open Access
2 Citations
2,496 Views
26 Pages

9 October 2018

A new operation method for an energy storage system (ESS) was proposed to reduce the electricity charges of a customer paying the wholesale price and participating in the industrial conservation initiative (ICI) in the Ontario electricity market of C...

  • Article
  • Open Access
3 Citations
3,614 Views
25 Pages

Multivehicle Point-to-Point Network Problem Formulation for UAM Operation Management Used with Dynamic Scheduling

  • Zin Win Thu,
  • Dasom Kim,
  • Junseok Lee,
  • Woon-Jae Won,
  • Hyeon Jun Lee,
  • Nan Lao Ywet,
  • Aye Aye Maw and
  • Jae-Woo Lee

21 November 2022

In this paper, we introduce a new formulation of the multivehicle point-to-point network problem to be utilised in urban air mobility (UAM) vertiport-to-vertiport network operations. Vehicle routing problems (VRPs) and their variants have previously...

  • Article
  • Open Access
1 Citations
925 Views
34 Pages

20 June 2025

The scheduling of carrier-based aircraft departure operations is subject to stringent temporal, spatial, and resource constraints. Conventional approaches struggle to yield exact solutions or provide a comprehensive mathematical description of this c...

  • Article
  • Open Access
2 Citations
3,058 Views
19 Pages

Simulations of Heat Supply Performance of a Deep Borehole Heat Exchanger under Different Scheduled Operation Conditions

  • Jiaqi Zhang,
  • Xinli Lu,
  • Wei Zhang,
  • Jiali Liu,
  • Wen Yue,
  • Dongxi Liu,
  • Qingyao Meng and
  • Feng Ma

7 January 2022

With the changing world energy structure, the development of renewable energy sources is gradually accelerating. Among them, close attention has been given to geothermal energy because of its abundant resources and supply stability. In this article,...

  • Article
  • Open Access
766 Views
20 Pages

29 September 2025

With the rapid development of Industry 5.0, smart manufacturing has become a key focus in production systems. Hence, achieving efficient planning and scheduling on the shop floor is important, especially in job shop environments, which are widely enc...

  • Article
  • Open Access
433 Views
27 Pages

28 November 2025

A critical process underpinning the sustainability of the global economy is the reliable and efficient supply of crude oil from tank farms to international markets. The crude oil terminal serves as the central component of this process. The availabil...

  • Article
  • Open Access
3 Citations
2,557 Views
21 Pages

21 April 2022

Bus service is of great significance to urban residents. With the convergence of bus lines and the formation of bus hubs, a multi-line operation mode which can realize the centralized management of vehicles is applied to the daily bus service plannin...

  • Article
  • Open Access
884 Views
25 Pages

20 March 2025

In coal chemical industries, the optimal allocation of gas and steam is crucial for enhancing production efficiency and maximizing economic returns. This paper proposes an optimal scheduling method using operating zone models and entropy weights for...

  • Article
  • Open Access
937 Views
28 Pages

1 September 2025

To enhance the overall operational efficiency of heavy haul railway port stations, which serve as critical hubs in rail–water intermodal transportation systems, this study develops a novel scheduling optimization method that integrates operatio...

  • Article
  • Open Access
14 Citations
3,233 Views
15 Pages

28 May 2023

In light of the improvements to the capacity and timeliness of heavy-haul railway transportation that can be organized through group trains originating at a technical station, we address a group train operation scheduling problem with freight demand...

  • Article
  • Open Access
11 Citations
5,983 Views
26 Pages

26 April 2019

The operating room (OR) is an important department in a hospital, and the scheduling of surgeries in ORs is a challenging combinatorial optimization problem. In this paper, we address the problem of multiple resource allocation of ORs and propose a s...

  • Article
  • Open Access
1,723 Views
27 Pages

Collaborative Scheduling of Mass Rescue Operations at Sea

  • Mengge Zhao,
  • Jiacai Pan,
  • Qiaojie Wang and
  • Jun Li

13 November 2024

The continued growth of the global cruise market has posed a major challenge to maritime search and rescue, as available rescue resources are limited compared to the scale of passenger ship disasters. To bridge the gap between the number of passenger...

  • Article
  • Open Access
8 Citations
3,627 Views
19 Pages

13 May 2023

A hybrid flow shop scheduling model with missing and re-entrant operations was designed to minimize the maximum completion time and the reduction in energy consumption. The proposed dual-population genetic algorithm was enhanced with a range of impro...

  • Article
  • Open Access
7 Citations
2,844 Views
17 Pages

Bi-Level Operation Scheduling of Distribution Systems with Multi-Microgrids Considering Uncertainties

  • Saeid Esmaeili,
  • Amjad Anvari-Moghaddam,
  • Erfan Azimi,
  • Alireza Nateghi and
  • João P. S. Catalão

3 September 2020

A bi-level operation scheduling of distribution system operator (DSO) and multi-microgrids (MMGs) considering both the wholesale market and retail market is presented in this paper. To this end, the upper-level optimization problem minimizes the tota...

  • Article
  • Open Access
2,544 Views
23 Pages

5 September 2025

The increasing electrification of Ground Support Equipment (GSE) vehicles promotes sustainable airport operations but introduces new challenges in task scheduling, energy management, and hybrid fleet coordination. To address these issues, we develop...

  • Article
  • Open Access
3 Citations
2,538 Views
21 Pages

Maritime transport is crucial for global trade, as over 80% of goods are transported by sea. Recent conflicts have exposed the vulnerability of shipping routes to disruptions. Therefore, devising an optimal plan for naval escort operations is critica...

  • Article
  • Open Access
5 Citations
2,804 Views
34 Pages

19 July 2022

Building an energy storage system is beneficial when solar panels are not producing sufficient energy. However, there is a major issue in terms of feasibility and efficiency. These limitations could be overcome by the deployment of optimal operationa...

  • Article
  • Open Access
9 Citations
2,536 Views
18 Pages

21 July 2023

The volatility and uncertainty of high-penetration renewable energy pose significant challenges to the stability of the power system. Current research often fails to consider the insufficient system flexibility during real-time scheduling. To address...

  • Article
  • Open Access
38 Citations
4,346 Views
20 Pages

Modified Multi-Crossover Operator NSGA-III for Solving Low Carbon Flexible Job Shop Scheduling Problem

  • Xingping Sun,
  • Ye Wang,
  • Hongwei Kang,
  • Yong Shen,
  • Qingyi Chen and
  • Da Wang

29 December 2020

Low carbon manufacturing has received increasingly more attention in the context of global warming. The flexible job shop scheduling problem (FJSP) widely exists in various manufacturing processes. Researchers have always emphasized manufacturing eff...

  • Article
  • Open Access
12 Citations
3,473 Views
18 Pages

10 May 2022

Container terminals (CTs) play an important role in the modern logistics and transportation industry. The utilization of automated guided vehicles (AGVs) can be effectively facilitated by reducing their empty running. The existing strategies cannot g...

  • Article
  • Open Access
13 Citations
3,644 Views
19 Pages

Community Microgrid Scheduling Considering Network Operational Constraints and Building Thermal Dynamics

  • Guodong Liu,
  • Thomas B. Ollis,
  • Bailu Xiao,
  • Xiaohu Zhang and
  • Kevin Tomsovic

10 October 2017

This paper proposes a Mixed Integer Conic Programming (MICP) model for community microgrids considering the network operational constraints and building thermal dynamics. The proposed multi-objective optimization model optimizes not only the operatin...

  • Article
  • Open Access
31 Citations
5,814 Views
20 Pages

27 December 2021

Electric buses (e-buses) demonstrate great potential in improving urban air quality thanks to zero tailpipe emissions and thus being increasingly introduced to the public transportation systems. In the transit operation planning, a common requirement...

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