Latest Space News
Thu, 21 Nov 2019 16:01:29 +0000
The moon has formed the isolated backdrop for a new era of space exploration. As you read this, there are teams of exploration advocates around the world striving to reach its surface. This new age is one that is being led not by spacefaring superpowers seeking to fly flags and footprints but instead by numerous private companies. SpaceNews.com
Thu, 21 Nov 2019 15:50:49 +0000
Space hardware builders say they fully expect 3D printing to revolutionize manufacturing, but cautioned that the technology is sometimes promoted without a full understanding of its pros and cons.  SpaceNews.com
Thu, 21 Nov 2019 14:46:55 +0000
German propulsion startup Morpheus Space won a U.S. Air Force Small Business Innovation Research contract and a NASA Jet Propulsion Laboratory purchase order after participating in the Techstars Starburst Space Accelerator. SpaceNews.com
Thu, 21 Nov 2019 14:03:20 +0000
Over the course of three days, attendees of the Advanced Maui Optical and Space Surveillance Technologies, or AMOS, conference agreed on a number of issues regarding space situational awareness and space traffic management, even if they don’t know how to resolve all those problems. SpaceNews.com
Thu, 21 Nov 2019 13:51:08 +0000
The International Telecommunication Union on Nov. 20 said the world’s spectrum regulators had reached consensus on milestones for constellations of satellites outside of the geosynchronous arc to preserve their spectrum rights.  SpaceNews.com
Thu, 21 Nov 2019 12:07:19 +0000
The Indian government has offered new details about what happened during its first attempt to land on the moon in September. SpaceNews.com
Thu, 21 Nov 2019 10:42:35 +0000
British aerospace company QinetiQ will use a newly expanded factory to build heat transfer experiment infrastructure for the European Space Agency under a 9 million euro ($10 million) contract, the company announced Nov. 21.  SpaceNews.com
Thu, 21 Nov 2019 10:29:55 +0000
A consortium led by Italian space company D-Orbit plans to operate a synthetic aperture radar (SAR) satellite for infrastructure monitoring. SpaceNews.com
Thu, 21 Nov 2019 08:15:24 +0000
Capella Space won a U.S. Air Force contract to adapt its commercial synthetic aperture radar (SAR) for military applications. SpaceNews.com
Thu, 21 Nov 2019 01:39:46 +0000
The first prototype of SpaceX’s next-generation launch system was damaged Nov. 20 during a tanking test, a setback the company claimed would not serious affect their development plans. SpaceNews.com
Wed, 20 Nov 2019 22:53:59 +0000
Rep. Derek Kilmer said commercial geospatial data should be used to supplement imagery from classified sources. SpaceNews.com
Wed, 20 Nov 2019 20:59:57 +0000
NASA plans to issue a call for ideas for a lunar rover that could be used by future crewed missions to the moon and, like many other elements of the Artemis program, be developed in a partnership with industry. SpaceNews.com
Wed, 20 Nov 2019 18:41:36 +0000
As United Launch Alliance prepares for the maiden flight of its Vulcan Centaur rocket, the company no longer has a clear timeline for a major second-stage upgrade.  SpaceNews.com
Wed, 20 Nov 2019 16:52:45 +0000
Feng Yang, Spacety CEO and founder, talked with SpaceNews about his plans for small synthetic aperture radar satellites and the origins of the company at the Space Tech Expo Europe.   SpaceNews.com
Wed, 20 Nov 2019 16:00:47 +0000
China used signals sent from NASA’s Juno probe orbiting Jupiter to test the capabilities of ground stations vital to its deep space ambitions. SpaceNews.com
Wed, 20 Nov 2019 14:49:44 +0000
The European Space Agency is preparing to allocate a few million euros to ensure Vega doesn’t have any repeats of its July launch failure, an agency official said Nov. 20. SpaceNews.com
Wed, 20 Nov 2019 14:39:49 +0000
While the physics associated with getting into orbit have not changed, the people, methods and ways we access and enable space have evolved. Credit the fuel of federal policy changes and innovation environments as the real force multipliers. SpaceNews.com
Wed, 20 Nov 2019 14:02:27 +0000
SpaceX’s plan to slash the cost of space transportation is shaking up the small satellite propulsion market. SpaceNews.com
Wed, 20 Nov 2019 13:02:50 +0000
OHB hopes to have a small launcher capable of sending 200 kilograms to low Earth orbit conduct a first flight by the end of 2021. SpaceNews.com
Wed, 20 Nov 2019 12:12:33 +0000
Commercial spaceports say they need to become more proactive in dealing with public opposition to proposed launch sites through a combination of education and community involvement. SpaceNews.com
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  • CV: GNC Engineer, Researcher

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    Personal information
     Name:<withheld>
     Age:<withheld>
     Country:<withheld>
     Location:<withheld>
    Contact information
     Email:<withheld>
     Phone:<withheld>
     Mobile:<withheld>
    Candidate Profile
     Date Submitted:07-05-2013
     Last Modified:21-11-2019 (09:53)
    Job information
     Current job:GNC Engineer, Researcher
     Employment Term:Temp/Contract
     Job location:Own country
     Date available:within a month
     Industry:Civil Agencies/International Organizations, Satellite Manufacturers and Subcontractors, Satellite Operators, Launch Systems, Consulting/Engineering Services, Space Tourism
     KeywordsNavigation Systems, Kalman Filtering, Inertial Systems, GNSS, Launcher Navigation, GNC Systems, AOCS, Control Theory, Flight Dynamics, Attitude Dynamics, Modelling and Simulation
    CV

    Professional Experience ----------------------------

    [Jun 2014 - Dec 2018]  Guidance, Navigation and Control (GNC) Researcher

    Institute of Space Systems, German Aerospace Center (DLR), Bremen, Germany

        PhD research: (please see PhD Candidate experience under Education);

        ReFEx: navigation design and analysis for horizontal-landing reusable flight experiment [1];

        ALINA (PTS GmbH): design and algorithmic implementation of navigation system for lunar lander;

        Callisto: preliminary navigation performance analysis for reusable rocket stage experiment;

        EAGLE: support to navigation and control system development for experimental hovering vehicle [2];

        ATON: field testing and performance evaluation of optical/inertial navigation fusion [5];

        Eu:CROPIS: internal alignment estimation of tetrahedral redundant gyroscope flight unit;

        SHEFEX-2: sounding rocket GNSS/inertial flight data analysis and post-processing;

        FOSTERNAV: post-processing of car-borne inertial/GNSS/Lidar navigation data.

     

    [Mar 2012 - Feb 2014]  Guidance, Navigation and Control (GNC) Engineer - Trainee

    TEC-ECN, ESTEC, European Space Agency (ESA), Noordwijk, The Netherlands

        ESA Clean Space Initiative: support to GNC Phase 0 design for active debris removal missions (ESA Concurrent Design Facility studies) [8];

        HiNav: testing of hybrid GNSS/inertial navigation model under Vega launch scenario;

        Proba-3: support to pre-Phase C GNC system simulator and documentation review;

        Lisa Pathfinder: modelling of AOCS thruster set; support to GNC system simulator review;

        North Star: study of stability and controllability of a small launcher;

        Low-Thrust: study of attitude guidance for optimal low-thrust (electric) orbit transfer;

        ExoMars: validation of dynamics models within GNC system simulator;

        Astos: launch vehicle modelling and trajectory optimisation;

        SHARK: re-entry capsule trajectory filtering and reconstruction.

     

    Education --------------------------------------

    [2014 - present]  PhD Candidate

    Optimization and Optimal Control Group (Fachbereich 3), University of Bremen, Bremen, Germany

    Design and real-time software implementation of on-board, low-cost, robust and fault-tolerant hybrid GNSS/inertial navigation system for launch vehicle applications (e.g., [3, 4, 6]);

    ESA–DLR–UniBremen project, under ESA Network Partnership Initiative (NPI) program.

     

    [2009 - 2011]  Double Master of Science in Aerospace Engineering, Avionics, Control and Simulation Track

    Delft University of Technology, Delft, The Netherlands, and Instituto Superior Técnico (IST), Lisbon, Portugal

    Major topics: Control and Estimation Theory, Flight Dynamics, Navigation (e.g., [10]), Flight Control, Spacecraft Attitude Control, Optimization, Signal Processing and Avionics;

    Thesis on robust and adaptive nonlinear attitude control of a spacecraft [7, 9];

    Graduated with Distinction (Cum Laude) from TU Delft, and distinguished as the Best Aerospace Engineering Graduate of 2011 by IST Lisbon.

     

    [2006 - 2009]  Bachelor in Aerospace Engineering

    Instituto Superior Técnico, Lisbon, Portugal

     

    Courses and Activities ------------------------------------------

    [2017 - present]  Journal Reviewer

    CEAS Space Journal, Springer, and Advances in Space Research, Elsevier

     

    [2013]  Course on Robust Control for Space Systems

    ESTEC, European Space Agency, Noordwijk, The Netherlands

    Given by A. K. Packard, P. J. Seiler, and G. J. Balas

     

    [2013] Course on Spacecraft Rendezvous and Docking

    ESTEC, European Space Agency, Noordwijk, The Netherlands

    Given by Wigbert Fehse, author of Automated Rendezvous and Docking of Spacecraft.

     

    [2012] Course on Spacecraft Systems Engineering

    ESTEC, European Space Agency, Noordwijk, The Netherlands

    3-day course organized and given by the University of Southampton.

     

    [2008 - 2009] Leader of the Guidance, Navigation and Control Team

    Swarm Mission, Student Space Exploration and Technology Initiative (SSETI), European Space Agency

    Phase-A and early Phase-B development. Subsystem requirements derivation and architecture de nition. Sensor and actuator selection. Perliminary design and simulation of the Control Law and Navigation algorithm. Technical documentation production and regular inter-team information exchange.

     

    [2007] Human Space-Flight and Exploration Summer Course

    University of Umea, Umea and Kiruna, Sweden

    Covered the topics: History of Space Exploration, Space Environment, Space Transportation, Life Support Systems and Astronaut Training. Final exam and team project. Course completed with Distinction.

     

    Publications -----------------------------------------------

    [1] M. Sagliano, G. F. Trigo, and R. Schwarz. “Preliminary Guidance and Navigation Design for the Upcoming DLR Reusability Flight Experiment (ReFEx)”. Submitted. 2019.

    [2] M. Dumke, G. F. Trigo, M. Sagliano, P. Saranrittichai, and S. Theil. “Design, Development, and Flight Testing of the Vertical Take-Off and Landing GNC Testbed EAGLE”. In: CEAS Space Journal (2019). doi: 10.1007/s12567-019-00269-5.

    [3] G. F. Trigo, S. Theil, J. Vandersteen, S. Bennani, and C. Roux. “Robust Tightly-coupled Hybrid Navigation for Space Transportation”. In: AIAA Journal of Spacecraft and Rockets 56.2 (2018), pp. 596–609. doi: 10.2514/1.A34232.

    [4] G. F. Trigo and S. Theil. “Architectural Elements of Hybrid Navigation Systems for Future Space Transportation”. In: CEAS Space Journal 10.2 (2018), pp. 238–250. doi: 10.1007/s12567-017-0187-z.

    [5] G. F. Trigo, B. Maass, H. Krüger, and S. Theil. “Hybrid Optical Navigation by Crater Detection for Lunar Pin-point Landing: Trajectories from Helicopter Flight Tests”. In: CEAS Space Journal 10.4 (2018), pp. 567–581. doi: 10.1007/s12567-017-0188-y.

    [6] G. F. Trigo and S. Theil. “Advances in Aerospace Guidance, Navigation and Control”. In: ed. by B. Dolega, R. Glebocki, D. Kordos, and M. Zugaj. Springer, 2018. Chap. Improved Hybrid Navigation for Space Transportation, pp. 295–315. doi: 10.1007/978-3-319-65283-2_16.

    [7] G. F. Trigo and Q. P. Chu. “Advances in Aerospace Guidance, Navigation and Control”. In: ed. by B. Dolega, R. Glebocki, D. Kordos, and M. Zugaj. Springer, 2018. Chap. Immersion and Invariance Adaptive Backstepping Spacecraft Attitude Control with Modified Rodrigues Parameters, pp. 295–315. doi: 10.1007/978-3-319-65283-2_38.

    [8] S. Erb, A. Rinalducci, and G. F. Trigo. “SPADES: Assessment of Solid Propellant Deorbit Module”. In: Concurrent Design Facility. Noordwijk, The Netherlands: European Space Agency, 2013. Chap. Attitude Control System.

    [9] G. F. Trigo. “Robust and Adaptive Nonlinear Attitude Control of a Spacecraft”. MA thesis. Delft, The Netherlands: Delft University of Technology, and Lisbon, Portugal: Instituto Superior Técnico, 2011.

    [10] G. F. Trigo, D. Donas-Boto, C. Silva, and J. E. Sanguino. “Vehicle Heading Estimation Using a Two Low-Cost GPS Receiver Configuration”. In: IEEE 73rd VTC. Budapest, Hungary, 2011.

    +  8 international conference papers 

     

    Language Skills -----------------------------------------------

    Portuguese: Mother Tongue

    English: Proficient

    Italian: Intermediate

    German: Basic (∼B1, certified A2)

     

    Programming and Software Skills ---------------------------

    Programming: C, C ++ (98–11), MATLAB (m-code), Octave, Latex, Visual Basic

    Software: MATLAB, Simulink, GNU Octave, Astos, Visual Studio, QNX-Momentics (Eclipse), Git, SVN, MSOffice

    Industry Simulink-based Simulators: VESAT, EAGLE, HiNav FES, LisaPath nder GNC FES, GNCDE


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