4,099 Hits in 6.6 sec

Agile Earth observation satellite scheduling over 20 years: formulations, methods and future directions [article]

Xinwei Wang, Guohua Wu, Lining Xing, Witold Pedrycz
2020 arXiv   pre-print
Agile satellites with advanced attitude maneuvering capability are the new generation of Earth observation satellites (EOSs).  ...  The continuous improvement in satellite technology and decrease in launch cost have boosted the development of agile EOSs (AEOSs).  ...  This is continuous work based on [44] , and a target region-based multi-objective evolutionary algorithm (TMOEA) is designed to obtain a well-distributed subset of Pareto optimal solutions.  ... 
arXiv:2003.06169v1 fatcat:k3fo3gh5qzgklgqmi76a3mkezu

Robust Satellite Scheduling Approach for Dynamic Emergency Tasks

Xuejun Zhai, Xiaonan Niu, Hong Tang, Lixin Wu, Yonglin Shen
2015 Mathematical Problems in Engineering  
Earth observation satellites play a significant role in rapid responses to emergent events on the Earth's surface, for example, earthquakes.  ...  In this paper, we propose a robust satellite scheduling model to address a sequence of emergency tasks, in which both the profit and robustness of the schedule are simultaneously maximized in each stage  ...  A multiobjective earth observation satellite scheduling method called SPEA2, based on the strength of the Pareto evolutionary algorithm, was proposed by Wang et al. [24] .  ... 
doi:10.1155/2015/482923 fatcat:4vpvqqu4ujdkppuv6ahv4trriy

Research on Hierarchical Scheduling of Operational Operation of Polar Meteorological Satellite Ground System

Zhaohui Cheng
2017 Computing Performance and Communication systems  
Then, based on the hierarchical scheduling, task scheduling and scheduled scheduling are implemented.  ...  This paper designs a hierarchical satellite terrestrial system business operation scheduling method. First of all, the satellite service is classified into first-level and secondlevel scheduling.  ...  Furthermore, a satellite periodic continuous observation task scheduling algorithm based on multiobjective evolutionary algorithm was proposed.  ... 
doi:10.23977/cpcs.2017.21002 fatcat:iyz22sv7jredthuufhlcalsmci

A Maximum Independent Set Method for Scheduling Earth Observing Satellite Constellations [article]

Duncan Eddy, Mykel J. Kochenderfer
2020 arXiv   pre-print
This paper introduces a new approach for solving the satellite scheduling problem by generating an infeasibility-based graph representation of the problem and finding a maximal independent set of vertices  ...  Task scheduling is often performed by human operators assisted by heuristic or rule-based planning tools.  ...  Acknowledgments The authors would like to thank Zouhair Mahboubi for many interesting discussions on the satellite scheduling problem.  ... 
arXiv:2008.08446v1 fatcat:ehoxzpqfprfdvlbrcunndoe2ge

Imaging-Duration Embedded Dynamic Scheduling of Earth Observation Satellites for Emergent Events

Xiaonan Niu, Hong Tang, Lixin Wu, Run Deng, Xuejun Zhai
2015 Mathematical Problems in Engineering  
We present novel two-stage dynamic scheduling of earth observation satellites to provide emergency response by making full use of the duration of the imaging task execution.  ...  In the stage of robust satellite scheduling, total task execution time is used as a robust indicator to obtain a satellite schedule with less imaging time.  ...  The time windows (as well as slewing angle) between the satellite and the task can be computed based on orbit parameters.  ... 
doi:10.1155/2015/731734 fatcat:bpandica2nf6fpxhsvozx2ltzm

An Efficient Satellite Resource Cooperative Scheduling Method on Spatial Information Networks

Huilong Fan, Zhan Yang, Shimin Wu, Xi Zhang, Jun Long, Limin Liu
2021 Mathematics  
In addition, we design a multi-satellite resource scheduling algorithm with minimal time consumption based on graph theory.  ...  To overcome the low timeliness of resource scheduling problems in spatial information networks, we propose a method based on a dynamic reconstruction of resource request queues and the autonomous coordinated  ...  A study [17] proposes a learning-based approach (LBA, learning-based approach) to solve the problem of agile earth observation satellite in-flight scheduling.  ... 
doi:10.3390/math9243293 fatcat:gp4zxdw4qbgija7bhaciip7jra

Using Evolutionary Algorithms for the Scheduling of Aircrew on Airborne Early Warning and Control System

Hamit Taner Ünal, Fatih Başçiftçi
2020 Defence Science Journal  
The presented approach is applied to several test instances consisting notional weekly schedules of Turkish Boeing 737 AEW&C Peace Eagle AWACS Base, generated similar to real-world examples.  ...  In this paper, we implemented evolutionary algorithms for scheduling aircrew on AWACS and propose a novel approach using Genetic Algorithms (GA) with a special encoding strategy and modified genetic operations  ...  All experiments were performed on an x64-based desktop computer with Windows 10 operating system running on Intel i7 3770 (3.40 Ghz) processor and 8 GB of RAM.  ... 
doi:10.14429/dsj.70.15055 fatcat:7p5mbgxd4jft5go67fh2wn4x74

Mission Planning Issues of Imaging Satellites: Summary, Discussion, and Prospects

Guohui Zhang, Xinhong Li, Gangxuan Hu, Zhibin Zhang, Jiping An, Wanxin Man, Giovanni Palmerini
2021 International Journal of Aerospace Engineering  
Finally, based on the research on satellite mission planning, this paper puts forward its own views on the future development direction and research focus.  ...  Satellite mission planning is the basis and top-level work of space missions and the beginning of each space mission.  ...  [9] present an approach to deal with the single satellite observation and transmission task planning problem.  ... 
doi:10.1155/2021/7819105 fatcat:tkgdzhhga5cpjnvo2x5ioknc2i

Ensemble of meta-heuristic and exact algorithm based on the divide and conquer framework for multi-satellite observation scheduling [article]

Guohua Wu, Qizhang Luo, Xiao Du, Xinwei Wang, Yinguo Chen, Ponnuthurai Nagaratnam Suganthan
2021 arXiv   pre-print
To solve the large-scale multi-satellite observation scheduling problem, this paper proposes an ensemble of meta-heuristic and exact algorithm based on a divide-and-conquer framework (EHE-DCF), including  ...  Satellite observation scheduling plays a significant role in improving the efficiency of Earth observation systems.  ...  In this paper, a novel scheduling approach that combines heuristic and exact methods based on a divide-and-conquer framework is proposed for the multiple earth observation satellites scheduling problem  ... 
arXiv:2007.03644v2 fatcat:5fpj5xiynfetxevwdjjam5ezum

A Satellite Task Planning Algorithm Based on a Symmetric Recurrent Neural Network

Sikai Liu, Jun Yang
2019 Symmetry  
The intelligent satellite, iSAT, is a concept based on software-defined satellites. Earth observation is one of the important applications of intelligent satellites.  ...  With the increasing demand for rapid satellite response and observation tasks, intelligent satellite in-orbit task planning has become an inevitable trend.  ...  Acknowledgments: The authors are grateful to the reviewers and editors for their valuable feedback on our work, which helped to improve the quality of this paper.  ... 
doi:10.3390/sym11111373 fatcat:novef7if3fftncyxe6jwzv3mtq

Research on Power Data and Transmission Service Based on Satellite Resource Scheduling Algorithm

Peiguang Chen, Zihao Tian, Dong Wang, Yeyang Zhu, S. Islam, W. Liu
2021 E3S Web of Conferences  
Given this background, this paper proposed an optimized satellite resource scheduling algorithm that integrated family eugenics with simulated annealing.  ...  The technological development of power Internet of Things contributes to the satellite resource optimization scheduling algorithm so that the requirements for satellite data of different subscribers and  ...  At the same time, only one of the sensors can be assigned to a task and two satellites need to be observed within one target observation time.  ... 
doi:10.1051/e3sconf/202129201024 fatcat:6zkxzr5qinblpbz2befomafgfy

Offloading of Atomic Tasks in Satellite Networks: A Fast Adaptive Resource Collaboration Method

Huilong Fan, Wei Zhao, Yanbing Li
2022 Applied Sciences  
This paper proposes a scheduling optimization method containing an atomic task offloading model based on maximum flow theory and a dynamic caching model.  ...  The high computational cost of existing task scheduling methods is not suitable for the time-varying scenarios of space-based networks.  ...  Conflicts of Interest: The authors declare no conflict of interest. Appl. Sci. 2022, 12, 3319  ... 
doi:10.3390/app12073319 fatcat:pd6dqghdofb7nj6evmsgungwsu

A Two-stage Framework and Reinforcement Learning-based Optimization Algorithms for Complex Scheduling Problems [article]

Yongming He, Guohua Wu, Yingwu Chen, Witold Pedrycz
2021 arXiv   pre-print
The agile Earth observation satellite scheduling problem is selected as an example to demonstrate the effectiveness of the proposed scheduling framework and methods.  ...  The results show that the proposed algorithms could stably and efficiently obtain satisfactory scheduling schemes for agile Earth observation satellite scheduling problems.  ...  He serves as an Associate Editor of Swarm and Evolutionary Computation Journal, an editorial board member of International Journal of Bio-Inspired Computation, and a Guest Editor of Information Sciences  ... 
arXiv:2103.05847v1 fatcat:ec3jxxc6hbfcvm5vnwffvxa744

Proactive Scheduling Algorithms for Multiple Earth Observation Satellites Under Uncertainties of Clouds

Jianjiang Wang, Erik Demeulemeester, Dishan Qiu
2015 Social Science Research Network  
This paper investigates the scheduling of multiple earth observation satellites (EOSs) under uncertainties of clouds.  ...  Based on different perspectives, we model the problem mathematically using both an expectation model and a chance constrained programming (CCP) model.  ...  We would like to acknowledge the China Scholarship Council for the financial support and the Research Center for Operations Management of the KU Leuven for providing a visiting research period to Jianjiang  ... 
doi:10.2139/ssrn.2634920 fatcat:o6ojzictwjam5c2o5fvhnulsha

Artificial Intelligence for Space Applications [chapter]

Daniela Girimonte, Dario Izzo
2007 Intelligent Computing Everywhere  
certainly being one of them.  ...  In recent years, this has led to an increasing interest in artificial intelligence by the entire aerospace community.  ...  Satellites continuously download data to ground stations in a nonprocessed format (usually, few data manipulations are made by the not too powerful computers onboard satellites).  ... 
doi:10.1007/978-1-84628-943-9_12 fatcat:ltftbqhpwfbpxkdaseucc2mfdu
« Previous Showing results 1 — 15 out of 4,099 results