Спутник технологический. UWE-3. [Редактировать]

КА UWE-3 (University of Würzburg's Experimental), массой 1 кг, разработан студентами университетов Германии и предназначен для отработки перспективных технологий.

Дополнительная классификация

#Наименования
1Страна производитель - Германия
2Страна оператор(владелец) - Германия

Технические характеристики

#ХарактеристикаЗначение
1Масса, кг1

Информация об удачном запуске

#ХарактеристикаЗначение
1Космодром Пусковая база Ясный
2Дата пуска2013-11-21 at 07:10:00 UTC
3Полезная нагрузка 1xAprizesat 7
4Полезная нагрузка 1xSkySat 1
5Полезная нагрузка 1xSTSAT 3
6Полезная нагрузка 1xDubaiSat 2
7Полезная нагрузка 1xWNISAT-1
8Полезная нагрузка 1xBRITE-PL
9Полезная нагрузка 1xAprizesat 8
10Полезная нагрузка 1xUniSat-5
11Полезная нагрузка 1xDelfi-n3Xr
12Полезная нагрузка 1xDove-3
13Полезная нагрузка 1xDove-4
14Полезная нагрузка 1xTriton-1
15Полезная нагрузка 1xCINEMA 1
16Полезная нагрузка 1xCINEMA 2
17Полезная нагрузка 1xOPTOS
18Полезная нагрузка 1xCubeBug-2
19Полезная нагрузка 1xGOMX-1
20Полезная нагрузка 1xNEE-02
21Полезная нагрузка 1xFUNcube-1
22Полезная нагрузка 1xHiNCube
23Полезная нагрузка 1xZACUBE-1
24Полезная нагрузка 1xICube-1
25Полезная нагрузка 1xHumSat-D
26Полезная нагрузка 1xPUCP-SAT-1
27Полезная нагрузка 1xFirst-MOVE
28Полезная нагрузка 1xUWE-3
29Полезная нагрузка 1xVELOX-P-2
30Полезная нагрузка 1xBeakerSat-1
31Полезная нагрузка 1x$50SAT
32Полезная нагрузка 1xQubeScout-S1
33Полезная нагрузка 1xWren
34Полезная нагрузка 1xPocket-PUCP
35Ракета-носитель 1xДнепр

Найдено 1000 документов по запросу «UWE-3». [Перейти к поиску]


Дата загрузки: 2017-06-15
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0.03/5
... Crippa, Laurent Poulain, Jean Sciare, Uwe Flechsig, André Prévôt, and Urs..., Amelie Krug, Liying Qian, and Uwe Berger Mesosphere/lower thermosphere prevailing..., Amelie Krug, Liying Qian, and Uwe Berger Mesosphere/lower thermosphere prevailing..., Gebhard Günther, Rolf Müller, Jens-Uwe Grooß, Heiko Bozem, Peter Hoor... B182 EGU2015-2004 Lionel Doppler, Uwe Feister, Steffen Gross, Ingo Ortmann... Sauvage, John Crowley, Gavin Phillips, Uwe Parchatka, Jos Lelieveld, and Jonathan... C. Leckebusch | Co-Conveners: Joaquim G. Pinto, Uwe Ulbrich Room: B16 Chairperson: GC... C. Leckebusch | Co-Conveners: Joaquim G. Pinto, Uwe Ulbrich Blue Posters | Display Time... Nico Becker, Katrin M. Nissen, and Uwe Ulbrich A storm severity index based..., Henning Rust, Gregor C. Leckebusch, and Uwe Ulbrich Development of a Distribution-Independent... EGU2015-6862 Christian Rolf, Jens-Uwe Grooß, Peter Spichtinger, Anja Costa... Anja Costa, Christian Rolf, Jens-Uwe Grooß, Armin Afchine, Nicole Spelten... Jens Grieger, Gregor C. Leckebusch, and Uwe Ulbrich Mechanisms of Antarctic net..., Lamont Poole, Ines Tritscher, Jens-Uwe Grooss, Hideaki Nakajima, and Michael... EGU2015-676 Ines Tritscher, Jens-Uwe Grooß, and Rolf Müller Arctic... B319 B320 EGU2015-9930 Jens-Uwe Grooß, Ines Tritscher, and Rolf..., Michel Van Roozendael, Ulrich Platt, Uwe Raffalski, and Thomas Wagner Comparison... atmosphere EGU2015-2089 Jochen Zoennchen, Uwe Nass, and Hans Fahr Exospheric... Ocean (co-organized) – Orals Convener: Uwe Harlander | Co-Conveners: Joe LaCasce... Le Gal, Miklos Vincze, and Uwe Harlander The baroclinic instability of... V, Torsten Seelig, Ion Dan Borcia, Uwe Harlander, and Andreas Will MEAN... Ocean (co-organized) – Posters Convener: Uwe Harlander | Co-Conveners: Joe LaCasce... Frequency Acoustic Waves EGU2015-3444 Uwe Harlander, Torsten Seelig, Marcus Gellert... EGU2015-3823 Torsten Seelig and Uwe Harlander Can meridionally propagating inertial... flow? EGU2015-5650 Michael Hoff, Uwe Harlander, Saad Jahangir, and Christoph... models EGU2015-12880 Anthony Randriamampianina, Uwe Harlander, Miklos Vincze, Thomas von...-10889 Christoph Ritschel, Henning Rust, Uwe Ulbrich, and Peter Névir Intensity... Elpida Leventidou, Felix Ebojie, Kai-Uwe Eichmann, Mark Weber, and John...



Дата загрузки: 2017-02-23
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0.11/5
... ............................................................................................................................ 2 1.3 Project Partners ...................................................................................................................... 2 1.4 Project Outline ........................................................................................................................ 3 1.5 Findings ................................................................................................................................... 6 1.5.1 UWE Strategic Priorities .................................................................................................. 7 1.5.2 ID Cards and... Training and Communication ................................................................................. 8 1.5.4 Impact on UWE students and Library of use...-testing ..................................................................................................................... 10 1.6 Recommendations ................................................................................................................ 11 1.6.1 For UWE ........................................................................................................................ 11 1.6.2 For LibrariesWest .......................................................................................................... 11 1.6.3 For... context .......................................................... 13 2.2 Quantitative Evaluation ........................................................................................................ 15 2.2.1 UWE .............................................................................................................................. 15 2.2.2 LibrariesWest ................................................................................................................ 18 2.3 Qualitative evaluation ........................................................................................................... 19 2.3.1 UWE Library Services Staff Survey ................................................................................ 19 2.3.2 UWE Library Services Staff... participants in the scheme, both UWE and general public. ...................................................................................................... 22 Section... Press Coverage .............................................................................. 40 3.2.4 Web pages UWE............................................................................................................ 43 3.2.5 Web pages LibrariesWest ............................................................................................. 44... 3.2.8 Articles .......................................................................................................................... 49 3.2.9 Library staff briefings – UWE ........................................................................................ 54 3.2.10 LibrariesWest Staff Briefing... 3.2.11 Public hand-out at UWE ................................................................................................ 59 3.2.12 Promotional events and... the UK ................... 63 3.5 Survey of UWE Library Services Staff .................................................................................... 65 3.6 Survey... reciprocal library card / UWE ID card scheme. UWE Library Services’ Community Engagement... 31st July 2014] 2 UWE Library Services: http://www1.uwe.ac.uk/library... within any of UWE’s campus libraries. In addition, UWE was funded by... contributed to the outcome. 6 1.5.1 UWE Strategic Priorities UWE Bristol has a strong commitment... letters is scanned at a UWE kiosk, the UWE system substitutes numbers for... LibrariesWest website from the UWE Library website. 1.6.1 For UWE • Ongoing promotion should... of the scheme. 2.2.1 UWE 2.2.1.1 New External Borrowers Within UWE there is a range.... 18 2.3 Qualitative evaluation 2.3.1 UWE Library Services Staff Survey UWE Library Services Staff... higher education resources in UWE Library, and for UWE students and staff...'s opinions of UWE - makes UWE seem more relevant and inclusive. 2.3.2 UWE Library Services... UWE International Support Officer to email to UWE International Students. Via the UWE... distributed to UWE staff and students via the UWE Intranet, UWE Staff Weekly... the categories of UWE External Borrower, UWE LibrariesWest Borrower and UWE Schools Borrower... a LibrariesWest card to join UWE Library and UWE students and staff to... your UWE ID Card UWE students and staff can use their UWE ID... walk past in the UWE area take your UWE ID Card to... 3.2.9 Library staff briefings – UWE Instructions issued to all UWE Library Services Learner..., please visit the UWE Library Website http://www1.uwe.ac.uk/library... higher education resources in UWE Library, and for UWE students and staff...-UWE people • Ongoing promotion • New Autumn intake at UWE and in schools • UWE... engagement links • Existing UWE/public Library liaison meetings • UWE multi media – intranet...



Дата загрузки: 2017-03-09
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0.11/5
... Eighth-Brick DC/DC Converters T UWE Series "Eighth-Brick" DC/DC... 0.9 by 2.3 by 0.38 inches, the UWE series open frame DC/DC... ±10% of nominal voltage. The UWE series are functionally complete. A wealth...” technique upon fault removal. The UWE is certified to standard... Series.C05 Page 1 of 23 UWE Series Wide Input, Isolated Eighth...) IIN, full load (A) Min. Typ. UWE-3.3/20-Q12 3.3 20 66 80...figuration part numbers: 1) UWE-12/6-Q48NB-C-CIS 2) UWE-12/6-Q48NBL1-C-CIS www... Series.C05 Page 2 of 23 UWE Series Wide Input, Isolated Eighth... MODELS UWE-3.3/20-Q12 UWE-5/15-Q12 UWE-12/6-Q12 UWE-15/5-Q12 UWE-24... Series.C05 Page 3 of 23 UWE Series Wide Input, Isolated Eighth..., CONTINUED DYNAMIC CHARACTERISTICS UWE-3.3/20-Q12 UWE-5/15-Q12 UWE-12/6-Q12 Dynamic...) to ±1% of final value UWE-15/5-Q12 UWE-24/3-Q12 50 Start..., Q48 MODELS UWE-3.3/20-Q48 UWE-5/15-Q48 UWE-12/6-Q48 UWE-15/5-Q48... Series.C05 Page 4 of 23 UWE Series Wide Input, Isolated Eighth..., Q48 MODELS, CONTINUED OUTPUT UWE-3.3/20-Q48 UWE-5/15-Q48 Voltage output... protection, Volts (via magnetic feedback) UWE-15/5-Q48 See ordering guide... Series.C05 Page 5 of 23 UWE Series Wide Input, Isolated Eighth... UWE-3.3/20-Q12 1,248,001 Input Voltage UWE-5/15-Q12 1,847,009 UWE-5/15-Q48 2,273,212 UWE-12/6-Q12 UWE...,165 Input Reverse Polarity Protection UWE-24/3-Q12 3,294,026 Output... +15V max. See Fuse section. UWE-12/6-Q48 828,714 Storage... normal operation. -55 to +125° C. UWE-15/5-Q48 2,112,625 Lead Temperature See soldering specifications UWE-24/3-Q12 2,623,370 CALCULATED... 4B) UWE-3.3/20-Q12 1,089,141 UWE-5/15-Q12 1,936,627 UWE-5/15-Q48 1,657,518 UWE-12... this maximum baseplate temperature. 18 UWE-24/3-Q12 undervoltage shutdown of... is at half load. 19 UWE-24/3-Q12 output overvoltage protection... Series.C05 Page 6 of 23 UWE Series Wide Input, Isolated Eighth... DC/DC Converters PERFORMANCE DATA UWE-3.3/20-Q12N Efficiency vs... 18 20 Load Current (Amps) UWE-3.3/20-Q12N Maximum Current Temperature... 80 85 90 Ambient Temperature (°C) UWE-3.3/20-Q12N Maximum Current Temperature... Series.C05 Page 7 of 23 UWE Series Wide Input, Isolated Eighth... DC/DC Converters PERFORMANCE DATA UWE-3.3/20-Q48P Efficiency vs... 80 85 90 Ambient Temperature (°C) UWE-3.3/20-Q48P Maximum Current Temperature... Series.C05 Page 8 of 23 UWE Series Wide Input, Isolated Eighth... DC/DC Converters PERFORMANCE DATA UWE-5/15-Q12N Efficiency (%) Ef... 14 15 Load Current (Amps) UWE-5/15-Q12N Maximum Current Temperature... Series.C05 Page 9 of 23 UWE Series Wide Input, Isolated Eighth... DC/DC Converters PERFORMANCE DATA UWE-5/15-Q48P Efficiency vs... 14 15 Load Current (Amps) UWE-5/15-Q48N Maximum Current Temperature... 80 85 90 Ambient Temperature (°C) UWE-5/15-Q48N Maximum Current Temperature....C05 Page 10 of 23 UWE Series Wide Input, Isolated Eighth... DC/DC Converters PERFORMANCE DATA UWE-12/6-Q12N Efficiency vs... 4 76 74 3 72 2 70 68 1 1 2 3 4 5 6 1 2 3 4 UWE-12/6-Q12N Maximum Current Temperature... 80 85 90 Ambient Temperature (°C) UWE-12/6-Q48P Efficiency vs....C05 Page 11 of 23 UWE Series Wide Input, Isolated Eighth... DC/DC Converters PERFORMANCE DATA UWE-12/6-Q48P 6.5 6.5 6.0 6.0 Output Current (Amps... 90 Ambient Temperature (°C) Ambient Temperature (°C) UWE-12/6-Q48P Maximum Current Temperature... 75 Ambient Temperature (°C) Ambient Temperature (°C) UWE-15/5-Q12P Efficiency vs....C05 Page 12 of 23 UWE Series Wide Input, Isolated Eighth... DC/DC Converters PERFORMANCE DATA UWE-15/5-Q12N Maximum Current Temperature... 35 40 45 Ambient Temperature (°C) UWE-15/5-Q12N Maximum Current Temperature... 65 70 75 Ambient Temperature (°C) UWE-15/5-Q48 Efficiency vs....C05 Page 13 of 23 UWE Series Wide Input, Isolated Eighth... DC/DC Converters PERFORMANCE DATA UWE-15/5-Q48 Power Dissipation vs... 75 80 85 Ambient Temperature (°C) UWE-15/5-Q48 6 6 5 5 0.5 to 2.0 m/s (100 to... 30 35 40 45 50 UWE-15/5-Q48 6 6 5 5 Output Current (Amps... DC/DC Converters PERFORMANCE DATA UWE-24/3-Q12P Efficiency vs... Currentt (Amps) 0.5 1 1.5 2 2.5 3 Load Currentt (Amps) UWE-24/3-Q12P Maximum Current Temperature... 80 85 90 Ambient Temperature (°C) UWE-24/3-Q12N Maximum Current Temperature...–84 pc quantity SHIPPING TRAY UWE modules are supplied in a 21... polarity reversals exist. For MPS UWE DC/DC Converters, you should.../output capacitance, and load. The UWE Series implements a soft start circuit... load capacitance. Input Source Impedance UWE converters must be driven from... Noise All models in the UWE Converters are tested/specified... polarity. Minimum Output Loading Requirements UWE converters employ a synchronous-rectifier... rising to excessive levels. The UWE is capable of enduring an... Figure 5. + Vcc Thermal Shutdown These UWE converters are equipped with thermal... Specifications. Output Overvoltage Protection UWE output voltages are monitored for... the converter. Trimming Output Voltage UWE converters have a trim capability that... Connections To Decrease Output Voltages UWE series converters have a sense feature... Eighth-Brick DC/DC Converters UWE series converters will compensate for... increasing output power beyond the UWE’s specified rating or cause...



Дата загрузки: 2017-06-15
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0.07/5
... Schönau, Treuhänder Herr Uwe Strohkirch Ehrlichstraße 49 09116 Chemnitz... - Verein zur Förderung der Datenkommunikation e.V., c/o Uwe Schmidtmann Eschenstraße 8 37574 Einbeck Reg... zur Förderung der Datenkommunikation c/o Jens-Uwe Mager Brahmsstraße 3 30177 Hannover Reg.... 09/089 MEK-cable GbR, Uwe Günther, Nico Kehrer, Patrick Reichel.... 07/147 Parkhotel Helene Inh. Uwe Albert e.K. Parkstraße 33 08645 Bad... Butzbach Reg-Nr. 12/185 Uwe Deisenroth, Hotel am Rosenbad Johannisstra... Fulda Reg-Nr. 08/354 Uwe Drießen, Software und Computer... Feilbingert Reg-Nr. 09/345 Uwe Falke, Antennenservice Am Teich 1 07333 Unterwellenborn Reg-Nr. 04/323 Uwe Hartlieb & Markus Becker GbR Im... Grevenbroich Reg-Nr. 09/290 Uwe Pläschke, The-house Innerer...öbel Reg-Nr. 06/315 Uwe Reiher, blueframe - hosting & software solutions...-Oberfrohna Reg-Nr. 10/407 Uwe Reschke Rentrischer Straße 41 66125...ücken Reg-Nr. 08/275 Uwe Schoknecht, DATA-WebService Stobraer Stra... Apolda Reg-Nr. 09/229 Uwe Schumacher, Energie- und Nachrichtenanlagen Lessingstra... Bleicherode Reg-Nr. 08/028 Uwe Weiß, WEBDESIGN UND NETZWERK Äußere... Schkeuditz Reg-Nr. 10/359 Uwe Zenker, Zenker Informationselektronik Freiberger Stra...



Дата загрузки: 2017-06-16
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0.05/5
... vierter das Internet. Vgl. Hasebrink, Uwe / Schmidt, Jan-Hendrik: Informationsrepertoires der... sogar die Todesstrafe. Vgl. Naumann, Uwe: Kampf um Ätherwellen. Die deutschsprachigen... allzu gegensätzlichen Befunde untersucht Uwe Krüger in einer Netzwerkanalyse..., S. 13. 499 Vgl. Krüger, Uwe: Meinungsmacht. Der Einfluss der Eliten..., Heribert / Rössler, Patrick / Nieland Jörg-Uwe (Hg): Politische Akteure in der..., Heribert / Rössler, Patrick / Nieland Jörg-Uwe (Hg): Politische Akteure in der..., Heribert / Rössler, Patrick / Nieland Jörg-Uwe (Hg): Politische Akteure in der.... Danke auch für die 'Storchenfreilassung' von Uwe Scheuch und für das Video des...-115. Göttlich, Udo / Nieland, Jörg-Uwe / Schatz, Heribert (Hg): Kommunikation im... 1998. Hallenberger, Gerd / Nieland, Jörg-Uwe: Crititainment. Zum Verschwinden des Nachdenkens... Harald Schmidt. Berlin 2006. Hasebrink, Uwe /Schmidt, Jan-Hendrik et al..., Heribert / Rössler, Patrick / Nieland Jörg-Uwe (Hg): Politische Akteure in der.... Bd 1, Hamburg 2006. Krüger, Uwe: Meinungsmacht. Der Einfluss der Eliten..., Heribert / Rössler, Patrick / Nieland Jörg-Uwe (Hg): Politische Akteure in der... und Praxis. Berlin 2009. Naumann, Uwe: Kampf um Ätherwellen. Die deutschsprachigen..., Heribert / Rössler, Patrick / Nieland Jörg-Uwe (Hg): Politische Akteure in der...



Дата загрузки: 2017-06-15
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0.07/5
...-Mehryar, Darius Zilcher, Andrea Stein, Uwe Kourkoulioti, Vasiliki Piel, Horst-Dieter..., Geraldine Brückner, Frank Freiholz, Uwe Aksu, Hale Langlet, Jean-Marie... Stock, Manuel Hanisch, Angela Paulsen, Uwe Arslaner-Gölbasi, Hilime Momsen, Sylvia...ün, Yanki Wüst, Stephanie Dr. Schulz, Uwe 24.290 23.035 21...-Plazanic, Lieselotte Badea, Ashraf Becht, Uwe Olles, Werner Pfeffermann, Guido Mann..., Harald Karn-Both, Marianne Eisenmann, Uwe Grabmann, Karlheinz Drephal, Madeleine Kruck... Wegner, Ursula Khenissi, Rachid Freiholz, Uwe Hülsberg, Jenja Shehata, Omar Brandt... Fischer, Sabine Zengin, Ömer Waldmann, Uwe 4.906 4.138 3.943 3.534 Stojak.... 501 502 Stimmen Dr. Schulz, Uwe Reineking, Florian 6.476 5.847 Wässa... Bangoura, Jean Kavlak, Pinar Becht, Uwe Pfeffermann, Guido 3.482 3.260 3.185... : 1 Sitz Rang 1 Nr. 801 Eisenmann, Uwe Stimmen 2.435 22.03.2016...-Hauke, Stephanie Diehl, Helga Stein, Uwe Creß, Hans 5.188 4.819 3.400... Stimmen Zimmermann, Claus 1.991 Hofacker, Uwe 1.927 Nachrücker/innen 3 4 5 6 7 8 9 10... Hüllen, Joachim Seib, Ernst Köhn, Uwe Ifland, Petra Hanke, Tatjana Gnida.... Nr. 307 306 309 Jocham, Uwe Wosnitza, Alexander Wagner, Jens-Christian...



Дата загрузки: 2017-06-15
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0.07/5
... ilgilerde platform bağımsız seviyedeki UWE [2] benzeri üstmodel varlıklarına... bakış açısı önermiştir. WebML [3] ve UWE [2] önerilerinde, web uygulamalarının tasarımı ve... üretme dili tanımlamışlardır. UWE yaklaşımı [2], UML uyumluluğu ve ticari... bir değerlendirme yapacak olursak UWE içlerinde MOF-uyumlu bir üstmodele...ü" olarak Çizelge 1'de yer almaktadır. UWE ve WebML üstmodelleri, PSM4MSF'e göre...ğımsızdırlar. PSM4MSF UWE [2] WebML [3] Çizelge 1. PSM4MSF, UWE [2] ve WebML [3]'in... çeşitli bakışaçıları sunmaktadır. PSM4MSF, UWE ve WebML üstmodellerini göz önüne aldığımızda PSM4MSF'in UWE ile isim ve ilgi açısından... (E/R) diyagramlarını kullanırken PSM4MSF ve UWE "içerik" bakışaçısında nesne modellerini... modelleme yapılabilir. UML profili, UWE ve PSM4MSF üstmodeli için alana...ç duyması bakımından PSM4MSF ve UWE'ye göre dezavantajlıdır. Modellerden kod...ır. Ancak Çizelge 1'de listelendiği gibi UWE kod üretiminde PSM4MSF ve WebML... planlanan çalışma PSM4MSF ile UWE [2] üstmodeli arasında model dönüşümlerini...ştirimi mümkün olacaktır. PSM4MSF ile UWE üstvarlıkları arasındaki eşlemeler...



Дата загрузки: 2017-05-21
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0.08/5
... Kulturwissenschaftlichen Instituts im Wissenschaftszentrum NRW Uwe Samulewicz, Vorstandsvorsitzender der Stadtsparkasse Dortmund... EF 50 3.306 4071 Harder, Uwe EF 50 3.305 4187 ZB... EF 50 3.306 4071 Harder, Uwe EF 50 3.305 b 4187 Wederhake...: Lehrstuhl Weiterbildungs- und Sozialmanagement Wilkesmann, Uwe, Univ.-Prof. Dr. Email: wso... 2626 Gebäude Leiter: Schwiegelshohn, Uwe, Univ.-Prof. Dr.-lng. Abteilung Informationstechnik Schwiegelshohn, Uwe, Univ.-Prof. Dr.-lng. Lohbergstr. 69, 58313 Herdecke e-mail: uwe.schwiegelshohn@udo.edu Oberingenieur: Yahyapour... lnstitutsleiter: Univ.-Prof. Dr.-lng. Uwe Clausen Telefon: (0231) 97 43... Umwelt Univ.-Prof. Dr.-lng. Uwe Clausen Tel.: (0231) 9743-400..., (All) Cottbus Prof. Dr.-lng. Uwe Meinberg Tel.: (0355) 694581 Anwendungszentrum... Paas, Dortmund Dipi.-Spk.-Bw. Uwe Samulewicz, Dortmund Dr. Manfred Scholle.... rer. nat. Akademischer Rat: Zachwieja, Uwe, PD Dr. rer.nat. Wissenschaftliche.... C1-06 102 3922 Boetcher, Uwe, Dipi.-Chem. C1-05 405... 4779 Repro-Zentrum: Grützner, Uwe 392 Campus Süd Gebäude Raum.... GBII 405 4842 Schönfelder, Uwe, Dipl.-lng. GBII 406 2534... 0.233 2194 0.235 7182 I: Uhlendorff, Uwe, Prof Dr. PRODEKAN 0.234 II....: (02373) 83291 230 5508 Lehmpfuhl, Uwe, Dr. paed. Sonnenstr. 200, 44137...-dortmund.de 1.107 4175 Uhlendorff, Uwe, Prof Dr. Am Bergbaumuseum 50...-dortmund.de 2.213 2840 Kleinbeck, Uwe, Prof., Dr.phil., Dipi.-Psych...



Дата загрузки: 2017-06-15
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0.06/5
... Attitude Control for pico-satellite UWE-4 Siddharth Dadhich 2015 Master of... Attitude Control for pico-satellite UWE-4 written by Siddharth Dadhich November... Dadhich) iv Contents Abstract 1 1 Introduction 1.1 UWE . . . . . . . . . 1.1.1 UWE - 3 . . . 1.1.2 UWE - 4 . . . 1.2 Vacuum arc thrusters 1.3 State of... Figures 1.1 1.2 1.3 Structural overview of UWE-4 . . . . . . . . . . . . . . . . . . . . . . Design model of UWE-4 showing thruster locations... . . . . . Simulated gyroscopic data (left) vs UWE-3 gyro measurements Simulated Magnetometer Data... result from simulation (left) vs UWE-3 de-tumbling experiment result (right... 57 Hardware architecture of UWE-4[1] . . . . . . . . . . . . . . . . . . . 60 Abstract UWE-4 is the fourth pico-satellite satellite in UWE series. After the successful launch... implemented to fly on-board UWE-4. Difficulties with using SGP-4 orbit... program and the fourth satellite UWE-4 is under development. This thesis... and attitude control software for UWE-4. 3 Chapter 1 Introduction Large Small Large... of satellites according to size 1.1 UWE UWE (Universität Würzburg Experimentalsatellit), is a satellite... satellites in this program were UWE-1 and UWE-2 which were launched in 2005 and 2009 respectively. All UWE satellites are 1U cubesats. Cubesats... this field at other universities. 1.1.1 UWE - 3 UWE-3 was launched in Nov 2013...) for picosatellites. For attitude determination, UWE-3 has sun sensors, gyros and... Kalman filter. For attitude control, UWE-3 has six magnetic torques mounted... UWE-3. 1.1.2 UWE - 4 UWE-4 program started after the successful operation of UWE-3. The aim for UWE... in sec. 1.2. A structural overview of UWE-4 is shown in Fig. 1.1 which... in the Fig. 1.1. 4 1.1 UWE 1 9 2 3 4 5 6 8 7 Figure 1.1: Structural overview of UWE-4 Description of different... UWE-4 is under discussion. UWE-4 will inherit the attitude determination system from UWE... dimensional plane. A design model of UWE-4 pointing the location of the... 2 Thruster 3 Figure 1.2: Design model of UWE-4 showing thruster locations For working.... 2.2 for visualization of BCF for UWE-4. 10 2.1 Coordinate frames and attitude... angular velocity. 14 2.3 Sensor models 0.5 UWE−3 ω ( deg/s) 0 0 x Simulated ωx (deg/s) 0.5 −0.5 −1 0 20 40 60 Time (min) 80 −0.5 −1 0 100 UWE−3 ω ( deg/s) 100 0.5 y Simulated ωy (deg/s) 0.5 0 −0.5 0 −0.5 −1 −1 20... 60 Time (min) 80 100 1.5 1.5 1 UWE−3 ωz ( deg/s) 1 Simulated ωz (deg/s) 80 1 1 0.5 0 −0.5 0.5 0 −0.5 −1 −1 −1.5 0 40... 2.5: Simulated gyroscopic data (left) vs UWE-3 gyro measurements (right) 2.3 Sensor models... the attitude determination software for UWE-3 was developed as a part of...) is shown against measurements from UWE-3 gyros (right) to establish the... magnetic field offset obtained from UWE-3 measureT ments is −6.1527 5.3040... with improvements in design of UWE-4 over UWE-3, the residual magnetic disturbance... the useful coordinate systems for UWE-4 is also provided. Attitude dynamics... sensors and actuators present in UWE-4 are modeled. Disturbance sources are... crucial for formation flying missions. UWE-3 uses a standard SGP-4 implementation for... orbit propagator is required for UWE-4, which can incorporate the effect... attitude control problem defined for UWE-4 is a two-axis control (Y and... actual B-dot experiment data from UWE-3 is shown in sec. 5.1. 4.3.2 Two... attitude control software developed for UWE-4. Given there is no requirement... de-tumbling experiment done on UWE-3. A full magnetic and a full thruster... 5.1 B-dot simulation The data from UWE-3 de-tumbling experiment provided a good... result from simulation (left) vs UWE-3 de-tumbling experiment result (right... SMC should be implemented on UWE-3 for comparing the simulation performance... performance, before using it in UWE-4. The initial angular velocity for... over traditional PD control for UWE-4. 5 ωx (deg/s) φ (deg) 200 100 0 −100... chapter addresses the architecture of UWE-4 hardware and implementation of the... an isotropic Kalman filter. For UWE-4, the isotropic Kalman filter implementation... 6 Implementation Figure 6.1: Hardware architecture of UWE-4[1] Texas Instruments MSP430. C-language is... the programming language for previous UWE missions and it will continue... chapter, the hardware architecture for UWE-4 which is under development is... initial chapters. The data from UWE-3 sensors have been used extensively... and orbit control of UWE-4. 7.2 Future work Since UWE-4 is a state of... magnetic field is used. For UWE-4 mission, a precise attitude control is..., and A. Kramer, “Design of the uwe-4 picosatellite orbit control system using...] F. Reichel, “Attitude control system of uwe-3: Design, testing and veri cation...] S. Busch, P. Bangert, S. Dombrovski, and K. Schilling, “Uwe-3, in-orbit performance and lessons...] P. Bangert, “Attitude determination system of uwe 3 - development, test and verification,” Master.... [32] A. Kramer, S. Dadhich, J. Bahr, and S. S., “Uwe-4 software developmentsimulation and data analysis... Federal Armed Forces in Munich UWE Universität Würzburg Experimentalsatellit VAT Vacuum...



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..., which have been tested with UWE-satellites in orbit, and reports... the University Würzburg's Experimental satellites (UWE) program (Schilling 2006, Schilling et... on basis of Internet Protocols (UWE-1, launched 2005) (Barza et al. 2006), attitude determination (UWE-2, launched 2009) (Schmidt et al. 2009) and attitude control (UWE-3, launched 2013) (Bangert et al... launch on 21.11.2013 UWE-3 successfully performed attitude control experiments...). At the end of 2014 UWE-4 it is planned to emphasize.... 1. Artist impression of UWE-3 in orbit 2. THE UWE PICO-SATELLITE PROGRAM The... the University Würzburg’s Experimental satellites (UWE) program (Schmidt / Schilling 2010) a technology... mass level. 2.1 UWE-1 and -2 The first German pico-satellite UWE-1 (launched 2005... an attitude determination capability with UWE-2 (launched 2009 by an Indian... (Schmidt et al. 2009). 2.2 The UWE-3 Satellite Design The main scientific objective for UWE-3 was realisation of attitude control..., which is suitable for future UWE multi-satellite missions due to... was specifically addressed by the UWE-3 satellite bus design emphasizing flexibility... of the thermal layout. The UWE pico-satellite electrical system uses... increasing performance needs. (a) (b) (c) Fig. 2. The UWE architecture is based on the... magnetometers, as tested in the UWE-2 mission (Schmidt et al. 2009... the solar arrays. Fig. 4. The UWE-3 very small reaction wheel The... torquers and the reaction wheel), UWE-3 is placed in a ball floating... the attitude determination properties. 2.3 The UWE-4 Mission Technology development in electrical... orbit end of 2014 by UWE-4. This satellite inherits most components from UWE-3, taking advantage of its modular... derived from drift observations of UWE-2 and its 3 passive CubeSat companions... also attitude control functionality. Fig. 7. UWE-4 vacuum arc thruster propulsion system..., supervising and coordinating all subsystems. 4. UWE-3 IN-ORBIT TEST RESULTS On... about 700 km altitude, including UWE-3. All systems and commercial-of... satellite’s spin rate In the UWE pico-satellite program the key... systems are addressed. So far, UWE-1 to -3 tested in orbit communication... integrated and tested in orbit. UWE-3 demonstrated in-orbit the performance... future missions. End of 2014 UWE-4 will test a micro arc thruster... the team members in the UWE pico-satellite projects, as well...- und Lageregelungssystems für den Pico-Satelliten UWE-3. Deutscher Luft- und Raumfahrtkongress 2012... K. Schilling, Performance Characteristics of the UWE-3 Miniature Attitude Determination and Control...-07 Barza, R., Y. Aoki, K. Schilling; Cubesat UWE-1 – Technology Tests and in Orbit..., IAC-06-B5.3. Busch, S.; Schilling, K.; UWE-3: A Modular System Design for the... Determination for the Pico-Satellite UWE-2. Space Technology 28 (2009), pp...