English
Related papers

Related papers: All Sky Survey Mission Observing Scenario Strategy

200 papers

One of the greatest challenge facing current space weather monitoring operations is forecasting the arrival of coronal mass ejections (CMEs) and Solar Energetic Particles (SEPs) within their Earth-Sun propagation timescales. Current…

Solar and Stellar Astrophysics · Physics 2024-05-30 D. M. Weigt , L. A. Cañizares , S. A. Maloney , S. A. Murray , E. P. Carley , P. T. Gallagher , A. Macario-Rojas , N. Crisp , C. McGrath

Optical Earth observation satellites acquire images worldwide , covering up to several million square kilometers every day. The complexity of scheduling acquisitions for such systems increases exponentially when considering the…

Machine Learning · Computer Science 2019-11-14 Adrien Hadj-Salah , Rémi Verdier , Clément Caron , Mathieu Picard , Mikaël Capelle

We investigate the use of multi-agent allocation techniques on problems related to Earth observation scenarios with multiple users and satellites. We focus on the problem of coordinating users having reserved exclusive orbit portions and…

Artificial Intelligence · Computer Science 2021-07-28 Gauthier Picard

Telescope scheduling is the task of determining the best sequence of observations (pointings and filter choices) for a survey system. Because it is computationally intractable to optimize over all possible multi-year sequences of…

Instrumentation and Methods for Astrophysics · Physics 2019-10-02 Daniel Rothchild , Christopher Stubbs , Peter Yoachim

This paper addresses an optimization problem in satellite observation mission planning, focusing on the challenges of decentralized decision-making among satellites, which is crucial for optimizing strategies in dynamic observation…

Optimization and Control · Mathematics 2024-09-13 Vincenzo Basco

An effective method for detailed observation of the Solar System planets is the use of vehicles that can perform flight in their atmospheres, with the most promising of them being Flyers (aircraft for other planets atmospheres). Besides the…

Instrumentation and Methods for Astrophysics · Physics 2020-09-18 Nedislav S. Veselinov , Martin N. Karanikolov , Vladislav V. Shihskin , Dimitar M. Mladenov

Earth observation resources are becoming increasingly indispensable in disaster relief, damage assessment and related domains. Many unpredicted factors, such as the change of observation task requirements, to the occurring of bad weather…

Systems and Control · Electrical Eng. & Systems 2021-06-10 Baoju Liu , Min Deng , Guohua Wu , Xinyu Pei , Haifeng Li , Witold Pedrycz

Agile attitude maneuvering maximizes the utility of remote sensing satellite constellations. By taking into account a satellite's physical properties and its actuator specifications, we may leverage the full performance potential of the…

Systems and Control · Electrical Eng. & Systems 2021-02-17 Emmanuel Sin , Sreeja Nag , Vinay Ravindra , Alan Li , Murat Arcak

Radial velocity surveys for extra-solar planets generally require substantial amounts of large telescope time in order to monitor a sufficient number of stars. Two of the aspects which can limit such surveys are the single-object…

Astrophysics · Physics 2008-11-26 Stephen R. Kane , Donald P. Schneider , Jian Ge

Straight lines are common features in human made environments, which makes them a frequently explored feature for control applications. Many control schemes, like Visual Servoing, require the 3D parameters of the features to be estimated.…

Robotics · Computer Science 2019-03-22 André Mateus , Omar Tahri , Pedro Miraldo

Recent advancements in low-cost astronomical equipment, including high-quality medium-aperture telescopes and low-noise CMOS detectors, have made the deployment of large optical telescope arrays both financially feasible and scientifically…

Instrumentation and Methods for Astrophysics · Physics 2022-08-19 Nathan W. Galliher , Nicholas M. Law , Hank Corbett , Ramses Gonzalez , Lawrence Machia , Alan Vasquez Soto

As one of Stage IV space-based telescopes, China Space Station Telescope (CSST) can perform photometric and spectroscopic surveys simultaneously to efficiently explore the Universe in extreme precision. In this work, we investigate several…

Cosmology and Nongalactic Astrophysics · Physics 2022-12-14 Haitao Miao , Yan Gong , Xuelei Chen , Zhiqi Huang , Xiao-Dong Li , Hu Zhan

In the Earth's magnetosphere, there are fewer than a dozen dedicated probes beyond low-Earth orbit making in-situ observations at any given time. As a result, we poorly understand its global structure and evolution, the mechanisms of its…

Instrumentation and Methods for Astrophysics · Physics 2022-12-29 M. I. Sitnov , G. K. Stephens , V. G. Merkin , C. -P. Wang , D. Turner , K. Genestreti , M. Argall , T. Y. Chen , A. Y. Ukhorskiy , S. Wing , Y. -H. Liu

This study presents autonomous guidance and control strategies for the purpose of reconfiguring close-range multi-satellite formations. The formation under consideration includes $N$ under-actuated deputy satellites and an uncontrolled…

Systems and Control · Electrical Eng. & Systems 2024-12-31 Ahmed Mahfouz , Gabriella Gaias , Florio Dalla Vedova , Holger Voos

The Solar Close Observations and Proximity Experiments (SCOPE) mission will send a spacecraft into the solar atmosphere at a low altitude of just 5 R_sun from the solar center. It aims to elucidate the mechanisms behind solar eruptions and…

The sky observed by space telescopes in Low Earth Orbit (LEO) can be dominated by stray light from multiple sources including the Earth, Sun and Moon. This stray light presents a significant challenge to missions that aim to make a secure…

Instrumentation and Methods for Astrophysics · Physics 2022-07-27 Sarah E. Caddy , Lee R. Spitler , Simon C. Ellis

This paper addresses a UAV path planning task that seeks to observe a set of objects while satisfying the observation quality constraint. A dynamic programming algorithm is proposed that enables the UAV to observe the target objects with…

Robotics · Computer Science 2024-11-12 Jiawei Wang , Weiwei Wu , Yijing Wang , Yan Lyu , Vincent Chau

We present an algorithmic method for efficiently planning a long-term, large-scale multi-object spectroscopy program. The Sloan Digital Sky Survey V (SDSS-V) Focal Plane System performs multi-object spectroscopy using 500 robotic…

In this paper, we propose a cost-effective strategy for heterogeneous UAV swarm systems for cooperative aerial inspection. Unlike previous swarm inspection works, the proposed method does not rely on precise prior knowledge of the…

Robotics · Computer Science 2024-03-05 Xinhang Xu , Muqing Cao , Shenghai Yuan , Thien Hoang Nguyen , Thien-Minh Nguyen , Lihua Xie

This work has been accepted by IEEE TGRS for publication. The majority of optical observations acquired via spaceborne earth imagery are affected by clouds. While there is numerous prior work on reconstructing cloud-covered information,…

Image and Video Processing · Electrical Eng. & Systems 2021-07-07 Patrick Ebel , Andrea Meraner , Michael Schmitt , Xiaoxiang Zhu
‹ Prev 1 4 5 6 7 8 10 Next ›