System design of the small satellite Flying Laptop

Application of reconfigurable computing to space systems

Radiation effects mitigation methods for microelectronics in space environment

Earth observation

T. Kuwahara, F. Böhringer, A. Falke, J. Eickhoff, F. Huber, H.-P. Röser, “FPGA-based Operational Concept and Payload Data Processing for the Flying Laptop Satellite,” Acta Astronautica, doi: 10.1016/j.actaastro.2009.04.011, 2009

M. Fritz, A. Falke, T. Kuwahara, H.-P. Röser, S. Pearson, A. Witts, J. Eickhoff, “A commercial Procedure Execution Engine completing the command chain of a University Satellite Simulation Infrastructure,” Acta Astronautica, 2009

T. Kuwahara, A. Falke, C. Ziemke, J. Eickhoff, H.-P. Röser, Y. Muhammad, “Development of a Hardware-in-the-Loop Simulation Environment on an MDVE for FPGA-based On-board Computing Systems,” Transactions of Japan Society for Aeronautical and Space Science (JSASS) Space Technology Japan, vol. 7, No. ists26, pp.Pf_1-Pf_9, 2009

T. Kuwahara, A. Falke, H.-P. Röser, “Effective Project Management of Small Satellite Projects from the System Engineer’s Point of View, An Example of the Small Satellite Flying Laptop Project,” Transactions of Japan Society for Aeronautical and Space Science (JSASS) Space Technology Japan, vol. 7, No. ists26, pp.Pt_1-Pt_8, 2009

T. Kuwahara, Team Doctor, “Developing On-Orbit Servicing Concepts Technology Options and Roadmap,” Final Report of Team Project at ISU Summer Session Program, Strasbourg, France: International Space University Publications, August 2007

T. Kuwahara, C. Ziemke, M. Fritz, J. Eickhoff, H.-P. Röser, “Asynchronous Parallel Reactive System for Intelligent Small Satellite On-board Computing Systems,” Small Satellites for Earth Observation - Selected Contributions, edited by R. Sandau, H.-P. Röser, A. Valenzuela, Springer, Berlin, Germany, 2009

T. Kuwahara, M. Dittmar, C. Ziemke, H.-P. Röser, “FPGA-based On-board Computers for Reconfigurable Computing on Space Systems,” 60th International Astronautical Congress (IAC-09-B4.6A.9), Daejeon, Republic of Korea, October 12 - 16 2009

M. Yasir, T. Kuwahara, C. Ziemke, M. Fritz, H.-P. Röser, “Simulation-Based Testing of Embedded Attitude Control Algorithms of a FPGA based Micro Satellite,” 23rd Annual AIAA/USU Conference on Small Satellites (SSC09-VII-10), Logan, UT, USA, August 10-13 2009

T. Kuwahara, M. Lengowski, U. Beyermann, A. Uryu, H.-P. Röser, “Ka-band High-speed Communication Systems on Small Satellites for Future Advanced Communication Networks and Earth Observations,” 27th International Symposium on Space Technology and Science (2009-j-10), Tsukuba, Japan, June 6-10 2009

T. Kuwahara, C. Ziemke, M. Fritz, J. Eickhoff, H.-P. Röser, “Asynchronous Parallel Reactive System for Intelligent Small Satellite On-board Computing Systems,” 7th International Symposium on Small Satellite for Earth Observation, Berlin, Germany, May 2009

T. Kuwahara, F. Böhringer, A. Falke, J. Eickhoff, F. Huber, H.-P. Röser, “Operational Design and On-board Payload Data Processing of the small satellite “Flying Laptop” with an FPGA-based On-board Computer System,” 59th International Astronautical Congress (IAC-08-B4.3.1), Glasgow, United Kingdom, September 29 - October 3 2008

U. Kirchgäßner, T. Kuwahara, M. v. Schönermark, “Improved Land Surface Temperature Retrieval Method for the Small Satellite Flying Laptop,” 59th International Astronautical Congress (IAC-08-B1.4), Glasgow, United Kingdom, September 29 - October 3 2008

A. Uryu, J. van der Ha, H.-P. Röser, T. Kuwahara, “QSAT Mission Analysis and Operation Plan Design,” 59th International Astronautical Congress (IAC-08-B4.3.7), Glasgow, United Kingdom, September 29 - October 3 2008

T. Kuwahara, A. Falke, C. Ziemke, J. Eickhoff, H.-P. Röser, Y. Muhammad, “Development of a Hardware-in-the-Loop Simulation Environment on a MDVE for FPGA-based On-board Computing Systems,” 26th International Symposium on Space Technology and Science (2008-f-28), Hamamatsu, Japan, June 1-8 2008

T. Kuwahara, F. Huber, A. Falke, M. Lengowski, S. Walz, G. Grillmayer, H.-P. Röser, “System Design of the Small Satellite Flying Laptop, as the Technology Demonstrator of the FPGA-based On-board Computer System,” 58th International Astronautical Congress (IAC-07-B4.6.08), Hyderabad, India, September 24-28 2007

M. v. Schönermark, H.-P. Röser, F. Huber, S. Walz, G. Grillmayer, M. Lengowski, A. Falke, T. Kuwahara, “Earth Remote Sensing with the Stuttgart's Small Satellites,” Meteorologentagung 2007 (DACH2007-A-00010), Hamburg, Germany, September 10-14 2007 (German)

T. Kuwahara, A. Falke, G. Grillmayer, H.-P. Röser, “Challenges of Small Satellites: New Technology Demonstration of Field Programmable Gate Array On-board Computing System,” International Space University Annual Conference 2007, Beijing, China, August 3-4 2007

T. Kuwahara, “Use of Advanced Ion-engine Vehicles to Reduce the Cost of On-orbit Servicing,” International Space University Annual Conference 2007, Beijing, China, August 3-4 2007

T. Kuwahara, “Management of Student-initiative Projects,” 55th University Space Engineering Consortium Workshop 2004 (UNISEC 04-24-06), Fukuoka, Japan, December 11-12 2004

T. Kuwahara, T. Yasaka, T. Hanada, H. Hirayama, Y. Sakamoto, T. Itahashi, “Kyushu University Micro-Satellite QTEX Project,” 55th International Astronautical Congress (IAC-04-IAA.4.11.5.06), Vancouver, Canada, October 4-8 2004

T. Kuwahara, “Kyushu University Micro-Satellite QTEX Project,” 5th Korea/Japan Joint Workshop on Aeronautics and Astronautics, Seoul, Korea, July 21-22 2004

T. Kuwahara, “Kyushu University CANSAT 2003 Project Report,” University Space Engineering Consortium Workshop 2003 (UNISEC 03-20), Sapporo, Japan, December 13-14 2003

M. Kobald, T. Kuwahara, J. Eickhoff, H.-P. Röser, “Mapping the Modelling and Control Concept for Spacecraft and Equipment of the Flying Laptop onto a finite State Machine Logic,” Study Thesis, IRS-09-S26, Juli 2009

M. Dittmar, T. Kuwahara, M. Lengowski, H.-P. Röser, “Development of the Command Decoder / Voter of the FPGA-based On-board Computer for the Micro Satellite Flying Laptop,” Study Thesis, IRS-09-S21, July 2009

R. Witt, T. Kuwahara, M. Lengowski, J. Eickhoff, H.-P. Röser, “Selection and Configuration of a 3D tool for Visualization Purposes and Realization of a Real-time Connection to the Simulator,” Study Thesis, IRS-09-S20, June 2009

C. Ziemke, T. Kuwahara, F. Huber, A. Falke, H.-P. Röser, “Model based development and verification of an on-board control algorithm architecture for the micro satellite Flying Laptop,” Study Thesis, IRS-08-S16, May 2008

A. Uryu, T. Kuwahara, H.-P. Röser, J. van der Ha, “Development of Operations Concept and Mission Analysis of QSAT,” Diploma Thesis, IRS-08-S15, April 2008