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Hendrik Ehrpais

https://www.etis.ee/CV/Hendrik_Ehrpais/eng
25.06.1992
+37253449729
hendrik.ehrpais@estcube.eu

Career

Institutions and positions
01.12.2020–31.08.2021   
University of Tartu, Faculty of Science and Technology, Tartu Observatory, Junior Research Fellow in Space Technology (0,40)
01.09.2018–22.11.2020   
University of Tartu, Faculty of Science and Technology, Tartu Observatory, Engineer (0,50)
01.06.2018–31.08.2018   
University of Tartu, Faculty of Science and Technology, Tartu Observatory, Junior Research Fellow (1,00)
01.01.2018–31.05.2018   
University of Tartu, Faculty of Science and Technology, Tartu Observatory, Junior Research Fellow (0,50)
01.09.2016–31.12.2017   
Tartu Observatory, Engineer (0,50)
 
 
Education
16.08.2017–...   
Phd, Physics
01.07.2015–06.06.2017   
Masters, Robotics and Computer Engineering
29.08.2011–17.06.2015   
Bachelors, Physics
 
 
Additional information
Lecturing at the University of Tartu
LOFY.01.044 Introduction to Space Technology
LOFY.01.047 Seminar on Space and Military Technology
LOFY.01.078 Space Technology Project

Qualifications

Academic degrees
Hendrik Ehrpais, Master's Degree, 2017, (sup) Andris Slavinskis, ESTCube-2 attitude and orbit control system design, University of Tartu.
Hendrik Ehrpais, Phd student, (sup) Andris Slavinskis; Mart Noorma, Attitude determination system for ESTCube-2 and interplanetary missions, University of Tartu.
 
 

Projects in progress

Completed projects

Supervised dissertations

Publications

Category
Year
Publication
 
1.1.
2020
Iakubivskyi, Iaroslav; Janhunen, Pekka; Praks, Jaan; Allik, Viljo; Bussov, Kadri; Clayhills, Bruce; Dalbins, Janis; Eenmäe, Tõnis; Ehrpais, Hendrik; Envall, Jouni; Haslam, Sean; Ilbis, Erik; Jovanovic, Nemanja; Kilpua, Emilia; Kivastik, Joosep; Laks, Jürgen; Laufer, Philipp; Merisalu, Maido; Meskanen, Matias; Märk, Robert ... Slavinskis, Andris (2020). Coulomb drag propulsion experiments of ESTCube-2 and FORESAIL-1. Acta Astronautica, 177, 771−783. DOI: 10.1016/j.actaastro.2019.11.030.
3.1.
2019
Ofodile, Ikechukwu; Ehrpais, Hendrik; Slavinskis, Andris; Anbarjafari, Gholamreza (2019). Stabilised LQR Control and Optimised Spin Rate Control for Nanosatellites. 2019 9th International Conference on Recent Advances in Space Technologies (RAST). NEW YORK: IEEE, 715−722. DOI: 10.1109/RAST.2019.8767850.
3.1.
2019
Ofodile, Ikechukwu; Kutt, Johan; Kivastik, Joosep; Nigol, Madis Kaspar; Parelo, Aleksander; Ilbis, Erik; Ehrpais, Hendrik; Slavinskis, Andris (2019). ESTCube-2 attitude determination and control: Step towards interplanetary CubeSats. 2019 IEEE AEROSPACE CONFERENCE. NEW YORK: IEEE. DOI: 10.1109/AERO.2019.8741929.
5.2.
2019
Kivastik, Joosep; Ehrpais, Hendrik; Muru, Silvar; Nigol, Madis Kaspar; Sams, Hans Hubert; Soosaar, Reimo (2019). Design of a Scientific Grade Miniaturised Multispectral Earth Observation Imager. In: . Europlanet Planetary Instrumentation Workshop, Saariselkä 2019.
5.2.
2019
Kivastik, Joosep; Ehrpais, Hendrik; Muru, Silvar; Nigol, Madis Kaspar; Sams, Hans Hubert; Soosaar, Reimo (2019). Design of a proof of concept scientific grade multispectral imager for nanosatellites. . Finnish Satellite Workshop 2019, Dipoli, Finland, 2019.
3.1.
2018
Slavinskis, Andris; Janhunen, Pekka; Toivanen, Petri; Muinonen, Karri; Penttilä, Antti; Granvik, Mikael; Kohout, Tomas; Gritsevich, Maria, Pajusalu, Mihkel; Mauro, David; Stupl, Jan; Sünter, Indrek; Ehrpais, Hendrik; Dalbins, Janis; Iakubivskyi, Iaroslav; Ilbis, Erik; Eenmäe, Tõnis; Bottke, William F.; Rivkin, Andrew S. (2018). Nanospacecraft Fleet for Multi-asteroid Touring with Electric Solar Wind Sails. IEEE Aerospace Conference , 1−20. DOI: 10.1109/AERO.2018.8396670.
3.1.
2018
Kalnina, Katrina; Bussov, Kadri; Teppo, Triin; Kask, Silvia-Kristiin; Jauk, Merili; Envall, Jouni (2018). Crowdfunding for satellite development: ESTCube-2 case. IEEE Aerospace Conference .10.1109/AERO.2018.8396722.
3.1.
2018
Kivastik, Joosep; Ehrpais, Hendrik; Soosaar, Reimo; Muru, Silvar; Nigol, Madis Kaspar; Kuusk, Joel; Sams, Hans Hubert (2018). Prototype Design of a Radiometrically Calibrated Miniature Multispectral Earth Observation Imager for Nanosatellites. Proceedings of the International Astronautical Congress, IAC, 2018-October, 2018: International Astronautical Congress, Bremen, 2018. International Astronautical Federation, IAF.
3.4.
2017
Iakubivskyi, Iaroslav; Ehrpais, Hendrik; Kuuste, Henri; Sünter, Indrek; Ilbis, Erik; Aru, Mari-Liis; Oro, Ervin; Kütt, Johan; Janhunen, Pekka; Envall, Jouni; Toivanen, Petri; Slavinskis, Andris (2017). ESTCube-2 plasma brake payload for effective deorbiting. 7th European Conference on Space Debris: 7th European Conference on Space Debris, ESA/ESOC, Darmstadt/Germany 18 - 21 April 2017. ESA, 1−7.
3.4.
2017
Dalbinš, Janis; Ehrpais, Hendrik, Ilbis, Erik; Iakubivskyi, Iaroslav; Oro, Ervin; Eenmäe, Tõnis; Sünter, Indrek; Janhunen, Pekka; Envall, Jouni; Toivanen, Petri; Sate, Janis; Trops, Roberts; Pajusalu, Mihkel; Noorma, Mart; Slavinskis, Andris (2017). ESTCube-2 integrated platform for interplanetary missions. European Planetary Science Congress 2017: European Planetary Science Congress 2017, Riga, Latvia, 17-22 September. Copernicus Gesellschaft Mbh.
5.2.
2017
Dalbinš, Janis; Iakubivskyi, Iaroslav; Ehrpais, Hendrik; Kuuste, Henri; Sünter, Indrek; Ilbis, Erik; Oro, Ervin; Kütt, Johan; Janhunen, Pekka; Merisalu, Maido; Sate, Janis; Trops, Roberts; Slavinskis, Andris (2017). ESTCube-2 mission analysis: Earth observation imager system. 32nd International Union of Radio Science General Assembly & Scientific Symposium: 32nd URSI GASS, Montreal, Canada, 19-26 August 2017. American Geophysical Union.
1.1.
2016
Ehrpais, Hendrik; Johan, Kütt; Sünter, Indrek; Kulu, Erik; Slavinskis, Andris; Noorma, Mart (2016). Nanosatellite spin-up using magnetic actuators: ESTCube-1 flight results. Acta Astronautica, 128, 210−216. DOI: 10.1016/j.actaastro.2016.07.032.
1.1.
2016
Slavinskis, Andris; Ehrpais, Hendrik; Kuuste, Henri; Sünter, Indrek; Viru, Jaan; Kütt, Johan; Kulu, Erik; Noorma, Mart (2016). Flight Results of ESTCube-1 Attitude Determination System. Journal of Aerospace Engineering, 29 (1, 1), 4015014-1−4015014-7. DOI: 10.1061/(ASCE)AS.1943-5525.0000504.
3.1.
2016
Iakubivskyi, Iaroslav; Ehrpais, Hendrik; Dalbins, Janis; Oro, Ervin; Kulu, Erik; Kütt, Johan; Janhunen, Pekka; Slavinskis, Andris; Ilbis, Erik; Ploom, Indrek; Sünter, Indrek; Merisalu, Maido; Trops, Roberts (2016). ESTCube-2 mission analysis: plasma brake experiment for deorbiting. Proceedings of the International Astronautical Congress, IAC: 67th International Astronautical Congress, IAC 2016; Guadalajara; Mexico; 26 September 2016 through 30 September 2016. International Astronautical Federation (IAF), 1−10.
3.4.
2016
Ehrpais, H.; Sünter, I.; Ilbis, E.; Dalbins, J.; Iakubivskyi, I.; Kulu, E., Ploom, I.; Janhunen, P.; Kuusk, J.; Sate, J.; Trops, R.; Slavinskis, A. (2016). ESTCube-2 mission and satellite design. 4S 2016 Final Proceedings: The 4S Symposium (Small Satellites Systems & Services), 30 May-03 June, 2016, Valletta, Malta. ESA, 1−7.
1.1.
2014
Lätt, Silver; Slavinskis, Andris; Ilbis, Erik; Kvell, Urmas; Voormansik, Kaupo; Kulu, Erik; Pajusalu, Mihkel; Kuuste, Henri; Sünter, Indrek; Eenmäe, Tõnis; Laizans, Kaspars; Zalite, Karlis; Vendt, Riho; Piepenbrock, Johannes; Ansko, Ilmar; Leitu, Ahto; Vahter, Andres; Agu, Ants; Eilonen, Elo; Soolo, Endel ... Noorma, Mart (2014). ESTCube-1 nanosatellite for electric solar wind sail in-orbit technology demonstration. Proceedings of the Estonian Academy of Sciences, 63 (2), 200−209. DOI: 10.3176/proc.2014.2S.01.
1.1.
2014
Slavinskis, Andris; Kulu, Erik; Viru, Jaan, Valner, Robert; Ehrpais, Hendrik; Uiboupin, Tõnis; Järve, Markus; Soolo, Endel; Envall, Jouni; Scheffler, Tobias; Sünter, Indrek; Kuuste, Henri; Kvell, Urmas; Kalde, Jaanus; Laizans, Kaspars; Ilbis, Erik; Eenmäe, Tõnis; Vendt, Riho; Voormansik, Kaupo; Ansko, Ilmar; Allik, Viljo ... Noorma, Mart (2014). Attitude determination and control for centrifugal tether deployment on the ESTCube-1 nanosatellite. Proceedings of the Estonian Academy of Sciences, 63 (2S), 242−249. DOI: 10.3176/proc.2014.2S.05.
26.05.2021

Hendrik Ehrpais

https://www.etis.ee/CV/Hendrik_Ehrpais/est
25.06.1992
+37253449729
hendrik.ehrpais@estcube.eu

Teenistuskäik

Töökohad ja ametid
01.12.2020–31.08.2021   
Tartu Ülikool, Loodus- ja täppisteaduste valdkond, Tartu observatoorium, kosmosetehnoloogia nooremteadur (0,40)
01.09.2018–22.11.2020   
Tartu Ülikool, Loodus- ja täppisteaduste valdkond, Tartu observatoorium, insener (0,50)
01.06.2018–31.08.2018   
Tartu Ülikool, Loodus- ja täppisteaduste valdkond, Tartu observatoorium, nooremteadur (1,00)
01.01.2018–31.05.2018   
Tartu Ülikool, Loodus- ja täppisteaduste valdkond, Tartu observatoorium, nooremteadur (0,50)
01.09.2016–31.12.2017   
Tartu Observatoorium, Insener (0,50)
 
 
Haridustee
16.08.2017–...   
Doktoriõpe füüsikas
01.07.2015–06.06.2017   
Magistriõpe arvutitehnikas
29.08.2011–17.06.2015   
Bakalaureuseõpe füüsikas
 
 
Lisainfo
Loengute pidamine Tartu Ülikoolis
LOFY.01.044 Sissejuhatus kosmosetehnoloogiasse
LOFY.01.047 Kosmose ja militaartehnoloogia seminar
LOFY.01.078 Kosmosetehnoloogia projekt

Kvalifikatsioon

Teaduskraadid
Hendrik Ehrpais, Master's Degree, 2017, (sup) Andris Slavinskis, ESTCube-2 attitude and orbit control system design, University of Tartu.
Hendrik Ehrpais, Phd student, (sup) Andris Slavinskis; Mart Noorma, Attitude determination system for ESTCube-2 and interplanetary missions, University of Tartu.
 
 

Jooksvad projektid

Lõppenud projektid

Juhendatud väitekirjad

Publikatsioonid

Klass
Aasta
Publikatsioon
 
1.1.
2020
Iakubivskyi, Iaroslav; Janhunen, Pekka; Praks, Jaan; Allik, Viljo; Bussov, Kadri; Clayhills, Bruce; Dalbins, Janis; Eenmäe, Tõnis; Ehrpais, Hendrik; Envall, Jouni; Haslam, Sean; Ilbis, Erik; Jovanovic, Nemanja; Kilpua, Emilia; Kivastik, Joosep; Laks, Jürgen; Laufer, Philipp; Merisalu, Maido; Meskanen, Matias; Märk, Robert ... Slavinskis, Andris (2020). Coulomb drag propulsion experiments of ESTCube-2 and FORESAIL-1. Acta Astronautica, 177, 771−783. DOI: 10.1016/j.actaastro.2019.11.030.
3.1.
2019
Ofodile, Ikechukwu; Ehrpais, Hendrik; Slavinskis, Andris; Anbarjafari, Gholamreza (2019). Stabilised LQR Control and Optimised Spin Rate Control for Nanosatellites. 2019 9th International Conference on Recent Advances in Space Technologies (RAST). NEW YORK: IEEE, 715−722. DOI: 10.1109/RAST.2019.8767850.
3.1.
2019
Ofodile, Ikechukwu; Kutt, Johan; Kivastik, Joosep; Nigol, Madis Kaspar; Parelo, Aleksander; Ilbis, Erik; Ehrpais, Hendrik; Slavinskis, Andris (2019). ESTCube-2 attitude determination and control: Step towards interplanetary CubeSats. 2019 IEEE AEROSPACE CONFERENCE. NEW YORK: IEEE. DOI: 10.1109/AERO.2019.8741929.
5.2.
2019
Kivastik, Joosep; Ehrpais, Hendrik; Muru, Silvar; Nigol, Madis Kaspar; Sams, Hans Hubert; Soosaar, Reimo (2019). Design of a Scientific Grade Miniaturised Multispectral Earth Observation Imager. In: . Europlanet Planetary Instrumentation Workshop, Saariselkä 2019.
5.2.
2019
Kivastik, Joosep; Ehrpais, Hendrik; Muru, Silvar; Nigol, Madis Kaspar; Sams, Hans Hubert; Soosaar, Reimo (2019). Design of a proof of concept scientific grade multispectral imager for nanosatellites. . Finnish Satellite Workshop 2019, Dipoli, Finland, 2019.
3.1.
2018
Slavinskis, Andris; Janhunen, Pekka; Toivanen, Petri; Muinonen, Karri; Penttilä, Antti; Granvik, Mikael; Kohout, Tomas; Gritsevich, Maria, Pajusalu, Mihkel; Mauro, David; Stupl, Jan; Sünter, Indrek; Ehrpais, Hendrik; Dalbins, Janis; Iakubivskyi, Iaroslav; Ilbis, Erik; Eenmäe, Tõnis; Bottke, William F.; Rivkin, Andrew S. (2018). Nanospacecraft Fleet for Multi-asteroid Touring with Electric Solar Wind Sails. IEEE Aerospace Conference , 1−20. DOI: 10.1109/AERO.2018.8396670.
3.1.
2018
Kalnina, Katrina; Bussov, Kadri; Teppo, Triin; Kask, Silvia-Kristiin; Jauk, Merili; Envall, Jouni (2018). Crowdfunding for satellite development: ESTCube-2 case. IEEE Aerospace Conference .10.1109/AERO.2018.8396722.
3.1.
2018
Kivastik, Joosep; Ehrpais, Hendrik; Soosaar, Reimo; Muru, Silvar; Nigol, Madis Kaspar; Kuusk, Joel; Sams, Hans Hubert (2018). Prototype Design of a Radiometrically Calibrated Miniature Multispectral Earth Observation Imager for Nanosatellites. Proceedings of the International Astronautical Congress, IAC, 2018-October, 2018: International Astronautical Congress, Bremen, 2018. International Astronautical Federation, IAF.
3.4.
2017
Iakubivskyi, Iaroslav; Ehrpais, Hendrik; Kuuste, Henri; Sünter, Indrek; Ilbis, Erik; Aru, Mari-Liis; Oro, Ervin; Kütt, Johan; Janhunen, Pekka; Envall, Jouni; Toivanen, Petri; Slavinskis, Andris (2017). ESTCube-2 plasma brake payload for effective deorbiting. 7th European Conference on Space Debris: 7th European Conference on Space Debris, ESA/ESOC, Darmstadt/Germany 18 - 21 April 2017. ESA, 1−7.
3.4.
2017
Dalbinš, Janis; Ehrpais, Hendrik, Ilbis, Erik; Iakubivskyi, Iaroslav; Oro, Ervin; Eenmäe, Tõnis; Sünter, Indrek; Janhunen, Pekka; Envall, Jouni; Toivanen, Petri; Sate, Janis; Trops, Roberts; Pajusalu, Mihkel; Noorma, Mart; Slavinskis, Andris (2017). ESTCube-2 integrated platform for interplanetary missions. European Planetary Science Congress 2017: European Planetary Science Congress 2017, Riga, Latvia, 17-22 September. Copernicus Gesellschaft Mbh.
5.2.
2017
Dalbinš, Janis; Iakubivskyi, Iaroslav; Ehrpais, Hendrik; Kuuste, Henri; Sünter, Indrek; Ilbis, Erik; Oro, Ervin; Kütt, Johan; Janhunen, Pekka; Merisalu, Maido; Sate, Janis; Trops, Roberts; Slavinskis, Andris (2017). ESTCube-2 mission analysis: Earth observation imager system. 32nd International Union of Radio Science General Assembly & Scientific Symposium: 32nd URSI GASS, Montreal, Canada, 19-26 August 2017. American Geophysical Union.
1.1.
2016
Ehrpais, Hendrik; Johan, Kütt; Sünter, Indrek; Kulu, Erik; Slavinskis, Andris; Noorma, Mart (2016). Nanosatellite spin-up using magnetic actuators: ESTCube-1 flight results. Acta Astronautica, 128, 210−216. DOI: 10.1016/j.actaastro.2016.07.032.
1.1.
2016
Slavinskis, Andris; Ehrpais, Hendrik; Kuuste, Henri; Sünter, Indrek; Viru, Jaan; Kütt, Johan; Kulu, Erik; Noorma, Mart (2016). Flight Results of ESTCube-1 Attitude Determination System. Journal of Aerospace Engineering, 29 (1, 1), 4015014-1−4015014-7. DOI: 10.1061/(ASCE)AS.1943-5525.0000504.
3.1.
2016
Iakubivskyi, Iaroslav; Ehrpais, Hendrik; Dalbins, Janis; Oro, Ervin; Kulu, Erik; Kütt, Johan; Janhunen, Pekka; Slavinskis, Andris; Ilbis, Erik; Ploom, Indrek; Sünter, Indrek; Merisalu, Maido; Trops, Roberts (2016). ESTCube-2 mission analysis: plasma brake experiment for deorbiting. Proceedings of the International Astronautical Congress, IAC: 67th International Astronautical Congress, IAC 2016; Guadalajara; Mexico; 26 September 2016 through 30 September 2016. International Astronautical Federation (IAF), 1−10.
3.4.
2016
Ehrpais, H.; Sünter, I.; Ilbis, E.; Dalbins, J.; Iakubivskyi, I.; Kulu, E., Ploom, I.; Janhunen, P.; Kuusk, J.; Sate, J.; Trops, R.; Slavinskis, A. (2016). ESTCube-2 mission and satellite design. 4S 2016 Final Proceedings: The 4S Symposium (Small Satellites Systems & Services), 30 May-03 June, 2016, Valletta, Malta. ESA, 1−7.
1.1.
2014
Lätt, Silver; Slavinskis, Andris; Ilbis, Erik; Kvell, Urmas; Voormansik, Kaupo; Kulu, Erik; Pajusalu, Mihkel; Kuuste, Henri; Sünter, Indrek; Eenmäe, Tõnis; Laizans, Kaspars; Zalite, Karlis; Vendt, Riho; Piepenbrock, Johannes; Ansko, Ilmar; Leitu, Ahto; Vahter, Andres; Agu, Ants; Eilonen, Elo; Soolo, Endel ... Noorma, Mart (2014). ESTCube-1 nanosatellite for electric solar wind sail in-orbit technology demonstration. Proceedings of the Estonian Academy of Sciences, 63 (2), 200−209. DOI: 10.3176/proc.2014.2S.01.
1.1.
2014
Slavinskis, Andris; Kulu, Erik; Viru, Jaan, Valner, Robert; Ehrpais, Hendrik; Uiboupin, Tõnis; Järve, Markus; Soolo, Endel; Envall, Jouni; Scheffler, Tobias; Sünter, Indrek; Kuuste, Henri; Kvell, Urmas; Kalde, Jaanus; Laizans, Kaspars; Ilbis, Erik; Eenmäe, Tõnis; Vendt, Riho; Voormansik, Kaupo; Ansko, Ilmar; Allik, Viljo ... Noorma, Mart (2014). Attitude determination and control for centrifugal tether deployment on the ESTCube-1 nanosatellite. Proceedings of the Estonian Academy of Sciences, 63 (2S), 242−249. DOI: 10.3176/proc.2014.2S.05.
26.05.2021

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  • Found 5 results
ProgramTypeNumberNameProject startProject endPrincipal investigatorInstitutionFinancing
1.2.2.1.14.2.MLTTO17225ITraining the next generation entrepreneurs with hands‐on methods in space STEM01.03.201731.12.2019Tiia LillemaaUniversity of Tartu, Faculty of Science and Technology, Tartu Observatory122 276,75 EUR
1.2.5.VLTTO20334Comet Interceptor - OPIC Engineering Model Development09.06.202028.02.2022Mihkel PajusaluUniversity of Tartu, Faculty of Science and Technology, Tartu Observatory400 000,00 EUR
1.2.5.VLTTO18089 (4000122621/17/NL/CBi)Characteristic Proof-of-concept of Scientific Grade Miniaturised Multispectral Earth Observation Imager08.01.201830.04.2020Hendrik EhrpaisUniversity of Tartu, Faculty of Science and Technology, Tartu Observatory196 660,00 EUR
NSPLLTTO18462Applied research on system of sensors and software algorithms for safety and driver assistance on remotely operated ground vehicles for off-road applications, Appendix 2-UT-TO-stage1-M6-8-en01.10.201830.04.2021Hendrik EhrpaisUniversity of Tartu, Faculty of Science and Technology, Tartu Observatory490 511,00 EUR
2.1.2.LLTTO20634Baffle design, camera testing, and consulting work01.11.202031.03.2021Joosep KivastikUniversity of Tartu, Faculty of Science and Technology, Tartu Observatory15 000,00 EUR