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Fri, 30 Oct 2020 08:31:39 +0000
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Thu, 29 Oct 2020 20:45:34 +0000
U.S. Rep. Doug Lamborn (R-Colo.), a co-chair of the recently established House Space Force Caucus, said Oct. 28 that orbital debris is a major threat to a prosperous space economy and that better space situational awareness is crucial to protecting the sector. SpaceNews
Thu, 29 Oct 2020 20:25:23 +0000
The European Space Agency said Oct. 29 that COVID-19 and technical issues would delay the maiden launch of Ariane 6 to 2022, prompting it to ask participating members states for additional funding for the rocket's development. SpaceNews
Thu, 29 Oct 2020 19:30:48 +0000
The National Security Space Association seeks reforms in “space security policy, practices and governance structures.” SpaceNews
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Thu, 29 Oct 2020 11:00:36 +0000
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Thu, 29 Oct 2020 09:40:47 +0000
NASA and SpaceX say they believe they have identified the Falcon 9 engine problem that aborted a GPS satellite launch in early October and delayed a commercial crew mission to the middle of November. SpaceNews
Thu, 29 Oct 2020 07:53:55 +0000
A Rocket Lab Electron rocket successfully placed 10 satellites into orbit for two customers who lost payloads on a launch failure earlier this year. SpaceNews
Thu, 29 Oct 2020 01:59:56 +0000
General Atomics announced Oct. 28 the acquisition of Guidestar Optical Systems, a space and defense company based in Longmont, Colorado, which it plans to integrate into the General Atomics Electromagnetic Systems (GA-EMS) group. SpaceNews
Wed, 28 Oct 2020 22:32:43 +0000
The Space Force has been the subject of snark since it was first proposed. But the naysayers are coming around, Air Force Secretary Barbara Barrett said. SpaceNews
Wed, 28 Oct 2020 21:22:35 +0000
Launchspace Technologies Corp. announced a contract Oct. 28 with Airbus to test its Orbital Debris Collection and Spacecraft Shielding payload for 12 months on the Bartolomeo platform on the International Space Station. SpaceNews
Wed, 28 Oct 2020 19:54:27 +0000
D-Orbit of Italy demonstrated the first commercial last-mile delivery service when it finished a two-month campaign Oct. 28 to drop off 12 Planet SuperDove Earth-imaging satellites. SpaceNews
Wed, 28 Oct 2020 14:25:42 +0000
Air Force Col. Michael “Hopper” Hopkins, commander of NASA’s SpaceX Crew-1 mission, will be commissioned into the U.S. Space Force. SpaceNews
Wed, 28 Oct 2020 11:31:01 +0000
The Federal Communications Commission approved the sale of OneWeb to the British government and Bharti Global Oct. 27, as rival SpaceX started a public beta test of its Starlink system. SpaceNews
Wed, 28 Oct 2020 04:21:19 +0000
The Federal Communications Commission approved the creation Oct. 27 of a 5G Fund for Rural America to distribute as much as $9 billion over the next decade to extend 5G wireless broadband connectivity to rural communities. SpaceNews
Wed, 28 Oct 2020 00:21:53 +0000
The Aerospace Corp. is calling for U.S. government agencies to work together to develop space solar power technologies in a paper that underscores the importance of collaborating with international partners. SpaceNews
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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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