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Halil Ersin Soken, Shin-ichiro Sakai, Kazushi Asamura, Yosuke Nakamura, Takeshi Takashima and Iku Shinohara
JAXA?s ERG (Exploration of Energization and Radiation in Geospace) Spacecraft, which is nicknamed Arase, was launched on 20 December 2016. Arase is a spin-stabilized and Sun-oriented spacecraft. Its mission is to explore how relativistic electrons in the...
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Huamei Chen, Zhigang Zhu, Hao Tang, Erik Blasch, Khanh D. Pham and Genshe Chen
This paper discusses using ground-based imagery to determine the attitude of a flying projectile assuming prior knowledge of its external geometry. It presents a segmentation-based approach to follow the object and evaluates it quantitatively with simula...
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Yilin Liu, Ruochen Liu, Ruihang Yu, Zhiming Xiong, Yan Guo, Shaokun Cai and Pengfei Jiang
To reduce costs, an unmanned swarm usually consists of nodes with high-accuracy navigation sensors (HAN) and nodes with low-accuracy navigation sensors (LAN). Transmitting and fusing the navigation information obtained by HANs enables LANs to improve the...
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Zhiyong Liu, Kaixing Zhou and Xiucong Sun
Automatic dependent surveillance-broadcast (ADS-B) is a very important communication and surveillance technology in air traffic control (ATC). In the future, more and more satellites will carry out ADS-B technology to perform a global coverage. In order ...
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Andrea Colagrossi and Michèle Lavagna
The capability to orient the solar arrays of a spacecraft toward the Sun is an ultimate asset for any attitude determination and control subsystem (ADCS). This ability should be maintained in any operative circumstance, either nominal or off-nominal, to ...
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Stefano Carletta, Paolo Teofilatto and M. Salim Farissi
Attitude determination represents a fundamental task for spacecraft. Achieving this task on small satellites, and nanosatellites in particular, is further challenging, because the limited power and computational resources available on-board, together wit...
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Jin Wu and Shangqiu Shan
In this paper, the attitude determination problem from two vector observations is revisited, incorporating the redundant equality constraint obtained by the dot product of vector observations. Analytical solutions to this constrained attitude determinati...
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Andrea Colagrossi and Michèle Lavagna
Small satellite platforms are experiencing increasing interest from the space community, because of the reduced cost and the performance available with current technologies. In particular, the hardware composing the attitude and orbit control system (AOC...
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Lawrence Lau, Yiming Quan, Jingjing Wan, Ning Zhou, Conghua Wen, Nie Qian and Faming Jing
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Jonis Kiesbye, David Messmann, Maximilian Preisinger, Gonzalo Reina, Daniel Nagy, Florian Schummer, Martin Mostad, Tejas Kale and Martin Langer
This article reports the ongoing work on an environment for hardware-in-the-loop (HIL) and software-in-the-loop (SIL) tests of CubeSats and the benefits gained from using such an environment for low-cost satellite development. The satellite tested for th...
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Gustavo E. Ramos-Alcaraz, Miguel A. Alonso-Arévalo and Juan M. Nuñez-Alfonso
Accurate attitude determination is crucial for satellites and spacecraft. Among attitude determination devices, star sensors are the most accurate. Solving the lost-in-space problem is the most critical function of the star sensor. Our research introduce...
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Dario Modenini, Anton Bahu, Giacomo Curzi and Andrea Togni
To enable a reliable verification of attitude determination and control systems for nanosatellites, the environment of low Earth orbits with almost disturbance-free rotational dynamics must be simulated. This work describes the design solutions adopted f...
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Tapan Biswas, Jolian McHardy
Pág. 17 - 37
We consider fixed and asking price strategies in the context of selling an asset with Bernoullian updating of the seller?s subjective probability of sale at a given price. The determination of optimal fixed, asking and endogenous reservation pr...
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Soobin Jeon, Sang-Young Park and Geuk-Nam Kim
CANYVAL-C is a formation-flying mission that demonstrates a coronagraph utilizing two CubeSats. The coronagraph is a space telescope that blocks sunlight to examine the overcast regions around the sun. It is composed of optical and occult segments. Two s...
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Andrea Curatolo, Anton Bahu and Dario Modenini
Dynamic spacecraft simulators are becoming a widespread tool to enable effective on-ground verification of the attitude determination and control subsystem (ADCS). In such facilities, the on-orbit rotational dynamics shall be simulated, thereby requiring...
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Fabrizio Piergentili, Gaetano Zarcone, Leonardo Parisi, Lorenzo Mariani, Shariar Hadji Hossein and Fabio Santoni
In recent years, the increase in space activities has brought the space debris issue to the top of the list of all space agencies. The fact of there being uncontrolled objects is a problem both for the operational satellites in orbit (avoiding collisions...
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Marihot Simanjuntak,April Gunawan Malau
Pág. 87 - 94
The determination of the Key performance Indicator (KPI) can be used to measure the level of competency needs of the transportation sector based on Permenhub No. PM 7 of 2018. In determining the KPI, weighting each statement in the questionnair...
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Nessrine Hamzaoui,Boutheina Regaieg
Pág. 437 - 443
This paper empirically investigates the contribution of the term structure of the forward premium to explain the long memory behavior that can characterize the forward premium. We apply our empirical study on1-month, 3-month, 6-month, 9-month and 1-year ...
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Vasiliy Lvovich Chernoperov,Sergey Mikhailovich Usmanov
Pág. 65 - 70
The article analyzes the participation of the Russian intelligentsia in socio-political transformations in the contemporary world. It analyzes the problems and contradictions of the virtual and the real in the intellectuals? consciousness and activities....
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Kristina Stanojevic, Dragana Makajic-Nikolic, Goran Radovanovic
Pág. 25 - 34
Research Question: Optimal financing of the raw material inventories in the copper processing industry is perceived as a problem of choosing the financing sources and determining the purchase dynamics. Motivation: The company can realize the financing of...
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