Literatura académica sobre el tema "CubeSat Constellation"
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Artículos de revistas sobre el tema "CubeSat Constellation"
Meftah, Mustapha, Fabrice Boust, Philippe Keckhut, Alain Sarkissian, Thomas Boutéraon, Slimane Bekki, Luc Damé et al. "INSPIRE-SAT 7, a Second CubeSat to Measure the Earth’s Energy Budget and to Probe the Ionosphere". Remote Sensing 14, n.º 1 (1 de enero de 2022): 186. http://dx.doi.org/10.3390/rs14010186.
Texto completoTURCU, Danuț y Gheorghe Adrian STAN. "PURPOSE OF USING CUBESAT SATELLITE TECHNOLOGIES IN THE MILITARY DOMAIN". STRATEGIES XXI - Security and Defense Faculty 17, n.º 1 (1 de noviembre de 2021): 272–78. http://dx.doi.org/10.53477/2668-2001-21-34.
Texto completoChadalavada, Pardhasai y Atri Dutta. "Regional CubeSat Constellation Design to Monitor Hurricanes". IEEE Transactions on Geoscience and Remote Sensing 60 (2022): 1–8. http://dx.doi.org/10.1109/tgrs.2021.3124473.
Texto completoNag, Sreeja, Joseph L. Rios, David Gerhardt y Camvu Pham. "CubeSat constellation design for air traffic monitoring". Acta Astronautica 128 (noviembre de 2016): 180–93. http://dx.doi.org/10.1016/j.actaastro.2016.07.010.
Texto completoKääb, Andreas, Bas Altena y Joseph Mascaro. "River-ice and water velocities using the Planet optical cubesat constellation". Hydrology and Earth System Sciences 23, n.º 10 (22 de octubre de 2019): 4233–47. http://dx.doi.org/10.5194/hess-23-4233-2019.
Texto completoGomez Jenkins, Marco, David Krejci y Paulo Lozano. "CubeSat constellation management using Ionic Liquid Electrospray Propulsion". Acta Astronautica 151 (octubre de 2018): 243–52. http://dx.doi.org/10.1016/j.actaastro.2018.06.007.
Texto completoKidd, Chris, Toshi Matsui, William Blackwell, Scott Braun, Robert Leslie y Zach Griffith. "Precipitation Estimation from the NASA TROPICS Mission: Initial Retrievals and Validation". Remote Sensing 14, n.º 13 (22 de junio de 2022): 2992. http://dx.doi.org/10.3390/rs14132992.
Texto completoTsitas, S. R. y J. Kingston. "6U CubeSat commercial applications". Aeronautical Journal 116, n.º 1176 (febrero de 2012): 189–98. http://dx.doi.org/10.1017/s0001924000006692.
Texto completoMazzarella, Luca, Christopher Lowe, David Lowndes, Siddarth Koduru Joshi, Steve Greenland, Doug McNeil, Cassandra Mercury, Malcolm Macdonald, John Rarity y Daniel Kuan Li Oi. "QUARC: Quantum Research Cubesat—A Constellation for Quantum Communication". Cryptography 4, n.º 1 (27 de febrero de 2020): 7. http://dx.doi.org/10.3390/cryptography4010007.
Texto completoZanette, Luca, Leonardo Reyneri y Giuseppe Bruni. "Swarm system for CubeSats". Aircraft Engineering and Aerospace Technology 90, n.º 2 (5 de marzo de 2018): 379–89. http://dx.doi.org/10.1108/aeat-07-2016-0119.
Texto completoTesis sobre el tema "CubeSat Constellation"
Smalarz, Bradley Ryan. "CubeSat Constellation Analysis for Data Relaying". DigitalCommons@CalPoly, 2011. https://digitalcommons.calpoly.edu/theses/650.
Texto completoWhite, Michael T. "CubeSat Constellation Design for Intersatellite Linking". Scholar Commons, 2019. https://scholarcommons.usf.edu/etd/7987.
Texto completoLee, Zachary Thomas. "CubeSat constellation implementation and management using differential drag". Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/112471.
Texto completoCataloged from PDF version of thesis.
Includes bibliographical references (pages 107-117).
Space missions often require the use of several satellites working in coordination with each other. Industry examples include Planet, which is working to develop a constellation of over 100 Cube Satellites (CubeSats) to obtain global imagery data daily, and Astro Digital, which seeks to implement a constellation of multispectral imaging satellites to image the entire Earth every three to four days [1, 2]. CubeSat constellations are also being considered for applications such as secure laser communication relays and for weather sensing with short revisit times [3, 4]. Such missions require several CubeSats with regular spacing within an orbital plane to achieve their objectives. However, an appropriately arranged constellation can be particularly difficult to implement for CubeSats. Cold gas propulsion systems with the ability to provide tens of meters per second of delta-V (for a 3U CubeSat) exist and can be used for constellation management on timescales of weeks [5, 6, 7, 8, 9]. Monopropellant systems also currently exist for CubeSats, but, like cold gas systems, they can require significant power, mass, volume, and thermal management resources, and they also carry more risk [9, 10]. Launch services providers often limit acceptance of pressurized vessels, which can limit launch opportunities for CubeSats with cold gas or monopropellant propulsion systems. Although electric propulsion systems can provide up to 100 m/s delta-V for a 3U CubeSat, they also have mass, volume, cost, and power impacts, and they typically require timescales on the order of weeks to months to cause significant changes [6, 11, 9]. In low Earth orbit, there is sufficient drag to perturb satellite orbits. Though it varies widely based on conditions, at 500 kilometer (km) altitude, the acceleration due to drag on a 3U CubeSat can be around 15 [mu]m/s² per unit area [12]. Over time, this is enough acceleration to change a satellite's orbit. By controlling the attitude of a satellite, the profile area can be changed. By manipulating the profile area, the drag force can be changed, and satellites can be moved relative to each other within an orbital plane. Using differential drag at 550 km altitude, a 3U CubeSat can.move its true anomaly 180 degrees relative to another in the same orbital plane in about 100 days. Previous work with differential drag for constellation management has focused on linearized control schemes for formation flight. However, the linearized equations used for close-proximity flight are not valid for maximum-separation missions [13, 14, 15]. While some work does exist on maximum-separation missions, conditions are simplified or details on the estimation and control scheme are omitted or inadequate [8, 16, 17, 18, 19]. This work uses an unscented Kalman filter to estimate mean orbital elements and a novel control scheme to first offset and then match relative mean semi-major axes. The separation of mean semi-major axes creates different mean motions such that allow for the relative mean anomalies to be controlled. Simulation results demonstrate that differential drag can be used to control and maintain satellites within 0.5 degrees of the desired mean anomaly relative to other satellites. For two satellites in the same orbital plane at 500 km altitude seeking to maximize separation, 0.5 degrees corresponds to an angle that can be traversed in under 10 seconds. For Earth observation mission, this has a negligible effect on revisit times and can be considered an acceptable result.
by Zachary Thomas Lee.
S.M.
Kennedy, Andrew Kitrell. "Resource optimization algorithms for an automated coordinated CubeSat constellation". Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/101497.
Texto completoCataloged from PDF version of thesis.
Includes bibliographical references (pages 119-125).
We present and analyze the performance of two algorithms that plan and coordinate activities for a resource-constrained Earth-observing CubeSat constellation. The first algorithm is the Resource-Aware SmallSat Planner (RASP), which performs low-level planning of observation and communication activities for a single satellite while simultaneously keeping the satellite's onboard resources within specified bounds. RASP utilizes a Mixed Integer Linear Program based formulation and Depth First Search for construction of consistent onboard activity timelines. The second algorithm is the Limited Communication Constellation Coordinator (LCCC), which performs high level coordination of observations across the constellation through a distributed, "weak" consensus mechanism. The performance of the algorithms is tested with a 24 hour simulation of an eighteen satellite constellation over multiple orbital geometries and inter-satellite communication contexts. The orbital geometries include a modified Walker Star constellation and an "ad hoc" constellation defined by historical launches of CubeSats. The multiple communication contexts simulate different methods for sharing observation planning information between the satellites, and include sharing through inter-satellite crosslinks, downlink and uplink to ground stations, connection to a commercial communications constellation, and no sharing at all. Five analyses of the algorithms' performance were conducted, including average revisit times achieved, the numbers of communications links executed, how effectively planning information was shared, the resource margins maintained by the satellites, and the average execution time for the planner. Information sharing significantly aided in balancing revisit times across multiple Earth regions and three sensor choices, reducing the disparity in average revisit times between sensors from 514 minutes to 10 minutes for the Walker case and 617 to 11 minutes for he Ad Hoc case. Significantly more crosslink opportunities were available on average for the Walker satellites than for Ad Hoc (89.2 versus 47.7) and more crosslinks were executed for the Walker case (30.3 versus 20.8). Crosslink was found to be less effective than downlink at sharing planning information across the constellation, with a lower average latency (186 minutes versus 434, Walker) and better average initial timeliness (-35 minutes versus -287, Walker). Information sharing through both a commercial constellation and downlink outperformed sharing through just downlink or just crosslink, with an average latency and initial timeliness of 77 and 74 minutes (Walker). Average data storage and energy storage margins were kept high, as desired, for both constellations, at around 85 and 70 %. RASP planning time was found to scale roughly with the square of planning window length, but stays under a minute in all cases tested (achieving a maximum of 37.71 seconds).
by Andrew Kitrell Kennedy.
S.M.
Mtshemla, Kanyisa Sipho. "Mission design of a CubeSat constellation for in-situ monitoring applications". Thesis, Cape Peninsula University of Technology, 2017. http://hdl.handle.net/20.500.11838/2633.
Texto completoReal-time remote monitoring of Africa’s resources, such as water quality, by using terrestrial sensors is impeded by the limited connectivity over the vast rural areas of the continent. Without such monitoring, the effective management of natural resources, and the response to associated disasters such as flooding, is almost impossible. A constellation of nanosatellites could provide near real-time connectivity with ground-based sensors that are distributed across the continent. This study evaluates the high level development of a mission design for a near real-time remote monitoring CubeSat constellation and ground segment for in-situ monitoring in regions of interest on the African continent. This would facilitate management of scarce resources using a low-cost constellation. To achieve this, the design concept and operation of a Walker constellation are examined as a means of providing connectivity to a low bit rate sensor network distributed across geographic areas of interest in South Africa, Algeria, Kenya and Nigeria. The mission requirements include the optimisation of the constellation to maintain short revisit times over South Africa and an investigation of the required communications link to perform the operations effectively. STK software is used in the design and evaluation of the constellations and the communications system. The temporal performance parameters investigated are access and revisit times of the constellations to the geographic areas mentioned. The types of constellation configurations examined, involved starting with a system level analysis of one satellite. This seed satellite has known orbital parameters. Then a gradual expansion of two to twelve satellites in one, two and three orbital planes follows. VHF, UHF and S-band communication links are considered for low data rate in-situ monitoring applications. RF link budgets and data budgets for typical applications are determined. For South Africa, in particular, a total of 12 satellites evenly distributed in a two-plane constellation at an inclination of 39° provide the optimal solution and offer an average daily revisit time of about 5 minutes. This constellation provides average daily access time of more than 16 hours per day. A case study is undertaken that decribes a constellation for the provision of maritime vessel tracking in the Southern African oceans using the Automated Information System (AIS). This service supports the Maritime Domain Awareness (MDA) initiative implemented by the South African Government, under its Operation Phakisa.
National Research Foundation (NRF) French South African Institute of Technology (F’SATI)
Pirkle, Scott J. "Design of a Martian Communication Constellation of CubeSats". DigitalCommons@CalPoly, 2020. https://digitalcommons.calpoly.edu/theses/2275.
Texto completoKampmeier, Jennifer Lauren. "Continuous Solar Observation from Low Earth Orbit with a Two-Cubesat Constellation". Thesis, University of Colorado at Boulder, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10746150.
Texto completoThe goal of this work is to assess the feasibility of using a two-CubeSat constellation to make continuous solar science measurements from low Earth orbit. There is a growing interest in using CubeSats for scientific missions since they are relatively inexpensive, can be manufactured quickly, and they have a standard form factor. CubeSats have increased access to space, and there is a growing interest in the solar science community to be able to conduct remote sensing solar science missions from a CubeSat platform. By using a constellation separated by differential drag, this mission concept enables continuous measurements of the sun, allowing scientists to have a complete record despite the spacecraft's eclipse periods. In this thesis, I have developed a two-body propagator that takes various inputs for starting altitude, density model, attitude, and spacecraft configuration to enable investigation over a large trade space. Following the model development, I ran a series of simulations to explore the feasibility of this concept, finding that there are many combinations of parameters that produce a feasible mission design. I show that the model is validated by altitude decay data from the MinXSS CubeSat, I will discuss areas of the design that require further study, and I explore the logical next steps for future development of this concept.
ZANETTE, LUCA. "Communication Networks in CubeSat Constellations: Analysis, Design and Implementation". Doctoral thesis, Politecnico di Torino, 2018. http://hdl.handle.net/11583/2704132.
Texto completoNelson, Jacqueline M. "Persistent military satellite communications coverage using a cubesat constellation in low earth orbit". Honors in the Major Thesis, University of Central Florida, 2010. http://digital.library.ucf.edu/cdm/ref/collection/ETH/id/1465.
Texto completoBachelors
Engineering and Computer Science
Electrical Engineering
Grujicic, Julian. "A feasibility study for a satellite VHF Data Exchange System (VDES)". Thesis, KTH, Rymdteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-262890.
Texto completoTransport globalt till havs ökar varje år och förväntas fortsätta att öka de följande årtiondena. Följaktligen finns ett behov av att etablera över horisonten kommunikation genom det automatiska identifieringssystemet (AIS) och det väldigt högfrekventa datautbytessystemet (VDES), under utveckling, för att spåra och kommunicera med fartyg över hela världen oberoende av avståndet från land. I detta examensarbete har en förstudie utförts för utvecklingen av ett system som uppfyller detta behov. Systemet föreslås bestå av en låg jordbana satellitkonstellation som kontinuerligt tillhandahåller VDES-kommunikation över hela världen. Ett systemtekniskt tillvägagångssätt har följts, intressenter har identifierats och utifrån dessa har systemkrav tagits fram. De viktigaste intressenterna befanns vara användare/kunder, satellitleverantören, satellitoperatören, tjänsteleverantören och nyttolastleverantören. Vidare lyftes olika möjliga användningsområden för systemet fram och en systemarkitektur framställdes vari systemet delades in i tre segment: rymdsegmentet, marksegmentet och uppskjutningssegmentet. Dessutom genomfördes designförslag för en satellitkonstellation samt en typisk satellit i en sådan konstellation. Satellitkonstellationen föreslogs bestå av 91 satelliter på en altitud på omkring 550 km i polära banor med gemensam inklination, detta var gällande för en minimum elevationsvinkel på 10 grader. Satelliten rekommenderades bestå av en 6 U CubeSat med den befintliga luftburna transpondern R5A från Saab TransponderTech som nyttolast, vilken bygger på mjukvaruradioteknik och är tänkt att vidareutvecklas för VDES-applikationer. Vidare, implementerades en länk- och data budget. Olika uppskjutningsmöjligheter undersöktes, varav slutsatsen att uppskjutning som sekundär nyttolast på ett delningsuppdrag eller som primär nyttolast medhjälp av ett mindre uppskjutningsfordon anpassat för små satelliter var de föredragna alternativen. Även en marknadsanalys har genomförts, där det redogjorts för hur många AIS / VDES - satelliter som har uppskjutits i LEO och av vilken tjänsteleverantör, samt ytterligare detaljer om små / nano satelliter av extra intresse för arbetet. En kort riskbedömning har också gjorts, där de mest uppenbara riskerna med utveckling, drift och undanröjande av systemet identifierats. Dessutom diskuteras Saabs möjliga roll i utvecklingen av satellit VDES. Slutsatsen av detta arbete har visat att det är möjligt att bygga en global kontinuerlig satellitkonstellation i låg jordbana med en mjukvaruradio som nyttolast som tillhandahåller VDES-tjänster till fartyg på öppna hav.
Libros sobre el tema "CubeSat Constellation"
Stakem, Patrick. Cubesat Constellations, Clusters, and Swarms. Independently Published, 2017.
Buscar texto completoCapítulos de libros sobre el tema "CubeSat Constellation"
Sushir, S., K. Ullas, Komal Prasad y Vipul V. Kumar. "Antenna Deployment Mechanism for a 3U CubeSat Project". En Computer Aided Constellation Management and Communication Satellites, 17–29. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-8555-3_3.
Texto completoWaghmare, Rahul G., V. Suresh Kumar, K. R. Yogesh Prasad, Suman R. Valke, L. Suvarna, N. Ramalakshmi y D. Venkataramana. "Development of Payload Data Transmitter Using 8-bit Microcontroller and FM Transceiver for CubeSats". En Computer Aided Constellation Management and Communication Satellites, 31–38. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-8555-3_4.
Texto completoGonzales Palacios, Orlando Francois, Ricardo Erick Diaz Vargas, Patrick H. Stakem y Carlos Enrique Arellano Ramirez. "Koch Snowflake Fractal Antenna Design in the Deep Space Bands for a Constellation of Cubesat Explorers". En Proceedings of CECNet 2021. IOS Press, 2021. http://dx.doi.org/10.3233/faia210419.
Texto completoIvanov, Danil y Mikhail Ovchinnikov. "Constellations and formation flying". En Cubesat Handbook, 135–46. Elsevier, 2021. http://dx.doi.org/10.1016/b978-0-12-817884-3.00006-0.
Texto completoAllahvirdi-Zadeh, Amir, Ahmed El-Mowafy y Kan Wang. "Precise Orbit Determination of CubeSats Using Proposed Observations Weighting Model". En International Association of Geodesy Symposia. Berlin, Heidelberg: Springer Berlin Heidelberg, 2022. http://dx.doi.org/10.1007/1345_2022_160.
Texto completoActas de conferencias sobre el tema "CubeSat Constellation"
Buck, Christopher. "Cubesat Constellation Concepts for Swath Altimetry". En IGARSS 2019 - 2019 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2019. http://dx.doi.org/10.1109/igarss.2019.8898067.
Texto completoSwenson, Charles M., Jacob Gunther y Chad Fish. "Supporting communication needs of CubeSat constellation missions". En 2014 United States National Committee of URSI National Radio Science Meeting (USNC-URSI NRSM). IEEE, 2014. http://dx.doi.org/10.1109/usnc-ursi-nrsm.2014.6928054.
Texto completoBlommaert, Joris, Gerard Habay, Luca Maresi, Helene Strese, Alessandro Zuccaro Marchi, Benoit Deper, Mikko Viitala et al. "CSIMBA: Towards a Smart-Spectral Cubesat Constellation". En IGARSS 2019 - 2019 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2019. http://dx.doi.org/10.1109/igarss.2019.8898081.
Texto completoSermanoukian Molina, Iván, Lluís Montilla Rodríguez, David González Díez, Miquel Sureda Anfres, Jorge Mata Diaz y Juan José Alins Delgado. "Mission analysis of nanosatellite constellations with OpenSatKit". En Symposium on Space Educational Activities (SSAE). Universitat Politècnica de Catalunya, 2022. http://dx.doi.org/10.5821/conference-9788419184405.006.
Texto completoBraun, Scott, Christopher Velden, Tom Greenwald, Derrick Herndon, Ralf Bennartz, Mark DeMaria, Galina Chirokova et al. "Overview of the NASA TROPICS CubeSat Constellation Mission". En CubeSats and NanoSats for Remote Sensing II, editado por Charles D. Norton y Thomas S. Pagano. SPIE, 2018. http://dx.doi.org/10.1117/12.2320333.
Texto completoKnight, Tristan, Axel Rousse, Clémence Allietta y Benjamin Bérat. "TOLOSAT project: Gravimetry and communication". En Symposium on Space Educational Activities (SSAE). Universitat Politècnica de Catalunya, 2022. http://dx.doi.org/10.5821/conference-9788419184405.009.
Texto completoBedon, Hector, Carlos Negron, Jorge Llantoy, Carlos Miguel Nieto y Cem Ozan Asma. "Preliminary internetworking simulation of the QB50 cubesat constellation". En 2010 IEEE Latin-American Conference on Communications (LATINCOM). IEEE, 2010. http://dx.doi.org/10.1109/latincom.2010.5640977.
Texto completoAltena, Bas y Andreas Kaab. "Glacier ice loss monitored through the Planet cubesat constellation". En 2017 9th International Workshop on the Analysis of Multitemporal Remote Sensing Images (MultiTemp). IEEE, 2017. http://dx.doi.org/10.1109/multi-temp.2017.8035235.
Texto completoAdlakha, Paras, Dhananjay Notnani, Rohan Chandra, Monish Mathur, Servesh Chaturvedi y Dr M. Raja. "Designing and Simulating a CubeSat constellation for Mars Exploration". En AIAA Scitech 2021 Forum. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2021. http://dx.doi.org/10.2514/6.2021-0694.
Texto completoSwenson, Charles M., Alan Marchant, Chad Fish y Erik Syrstad. "CubeSat sensors and constellation missions for advancing space science". En 2014 United States National Committee of URSI National Radio Science Meeting (USNC-URSI NRSM). IEEE, 2014. http://dx.doi.org/10.1109/usnc-ursi-nrsm.2014.6928086.
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