Browsing by Author "Spanoudakis, Peter"
Now showing items 1-12 of 12
-
COOLER: a louvered, passive radiator for Cubesats
Spanoudakis, Peter; Novo, David; Cosandier, Florent; Schwab, Philippe; Ummel, Antoine; Psoni, Georgia; Rellakis, Dimitrios; Struijs, Robert; Fouché, Florian; de Faoite, Daithi (2021-09-20)Louvers are thermal control elements placed over external radiators to tune heat rejection from typically a factor 1 when fully closed to 5 when fully open. The most commonly used louver is a bimetallic, springactuated, ... -
Corner Cube Mechanism (CCM) For MTG IRS: Qualification and Acceptance Test Campaign Results and Lessons Learned
Spanoudakis, Peter; Schwab, Philippe; Kiener, Lionel; Perruchoud, Gérald; Saudan, Hervé; Gumy, Mathias; Regamey, Yves-Julien (2019-09-19)The Corner Cube Mechanism (CCM) of the Infra-Red Sounder (IRS) for the Meteosat Third Generation (MTG) satellites completed an extensive qualification test campaign demonstrating the high-precision mechanism met stringent ... -
Development challenges of a focus mechanism for EXOMARS mission submitted to the harsh Martian environment
Kiener, Lionel; Perruchoud, Gérald; Schwab, Philippe; Verhaeghe, Antoine; Spanoudakis, Peter; Gumy, Mathias (2018-07-10)For the development of the Focus Mechanism of the CLUPI instrument of the ExoMars 2020 mission, the CSEM implemented a design based on flexible structure technology and the use of Commercial Off-The-Shelf (COTS) components. ... -
Development Challenges of Utilizing a Corner Cube Mechanism Design With Successful IASI Flight Heritage for the Infrared Sounder (IRS) on MTG; Recurrent Mechanical Design not Correlated to Recurrent Development
Spanoudakis, Peter; Schwab, Philippe; Kiener, Lionel; Saudan, Hervé; Perruchoud, Gérald (2015-09-24)The Corner Cube Mechanism (CCM) design for the Infra-Red Sounder (IRS) on MTG is based on the successful mechanism currently in orbit on the Infrared Atmospheric Sounding Interferometers (IASI) on the Metop satellites. The ... -
Innovative Concept for Additive Manufacturing of Compliant Mechanisms
Kiener, Lionel; Saudan, Hervé; Cosandier, Florent; Kruis, Johan; Perruchoud, Gérald; Pejchal, Vaclav; Spanoudakis, Peter; Rouvinet, Julien (2019-09-19)The new geometric possibilities offered by Additive Manufacturing (AM) combined with a complete redesign of compliant mechanisms have allowed CSEM to develop innovative concepts (patent pending) to drastically reduce the ... -
Innovative Concept for Additive Manufacturing of Compliant Mechanisms
Kiener, Lionel; Saudan, Hervé; Cosandier, Florent; Perruchoud, Gérald; Spanoudakis, Peter; Rouvinet, Julien (2020-02-26)Several compliant mechanisms have been completely redesigned for Additive Manufacturing (AM) and have allowed CSEM to develop an innovative concept. In addition to the new geometric possibilities offered by AM, the need ... -
Innovative Concept of Compliant Mechanisms
Kiener, Lionel; Saudan, Hervé; Cosandier, Florent; Perruchoud, Gérald; Spanoudakis, Peter; Rouvinet, Julien (2020-06-09) -
Large Angle Flexure Pivot Development and Test Campaign Results
Spanoudakis, Peter; Kiener, Lionel; Cosandier, Florent; Schwab, Philippe; Grivon, Daniel; Psoni, Georgia; Rellakis, Dimitrios; Bencheikh, Nabil (2021-09-20)An innovative design of a Large Angle Flexure Pivot (LAFP) has been developed and has completed a thorough test campaign in the configuration of an Engineering Model. The intended application of the LAFP is to angularly ... -
Large angle flexure pivot development for future science payloads for space applications
Spanoudakis, Peter; Kiener, Lionel; Cosandier, Florent; Schwab, Philippe; Giriens, Laurent; Kruis, Johan; Grivon, Daniel; Psoni, Georgia; Vrettos, Christos; Bencheikh, Nabil (2019)An innovative design of a Large Angle Flexure Pivot (LAFP) is described. It combines the advantages of flexure mechanisms while surpassing one of their few flaws, small displacement strokes. The LAFP design exceeds these ... -
Large Angle Flexure Pivot Development for High Accuracy Positioning of Optical Payloads
Spanoudakis, Peter (2018-03-14) -
Large angle flexure pivot development for high accuracy positioning of optical payloads
Cosandier, Florent; Schwab, Philippe; Kiener, Lionel; Kruis, Johan; Giriens, Laurent; Spanoudakis, Peter; Vrettos, Christos; Psoni, Georgia (2019-06-06)In this study, an innovative design of a Large Angle Flexure Pivot (LAFP) is proposed. It combines the advantages of flexure mechanisms – no friction, no backlash, no need for lubricant, no wear – while surpassing one of ... -
Operational Performance of MOSFIRE with Its Cryogenic Configurable Slitmask Unit at the W. M. Keck Observatory
Kassis, Marc; McLean, Ian S.; Steidel, Charles C.; Matthews, Keith; Lyke, James E.; Rizzi, Luca; Chan, Dwight; Weiss, Jason; Adkins, Sean; Spanoudakis, Peter; Schwab, Philippe; Onillion, Emmanuel; Lisowski, Leszek; Theurillat, Patrick; Chételat, Olivier; Meier, Christophe (2016-06-26)