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Sun, 26 Jun 2022 23:09:46 +0000
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Sat, 25 Jun 2022 20:15:57 +0000
The British government announced a series of measures June 23, from regulations to funding active debris removal projects, intended to make the country a leader in space sustainability. The post U.K. government announces new space sustainability measures appeared first on SpaceNews.
Fri, 24 Jun 2022 22:03:52 +0000
Frank Calvelli, assistant secretary of the Air Force for space acquisition and integration, told SpaceNews one of his priorities is to impose discipline in procurement programs The post New head of Space Force acquisitions looks to get back to basics appeared first on SpaceNews.
Fri, 24 Jun 2022 21:13:06 +0000
Telespazio intends to play a key role in the future in-orbit servicing market, providing customers seeking satellite relocation, refueling, repair or removal with the necessary space and ground-based capabilities. The post Telespazio to play key role in satellite servicing market appeared first on SpaceNews.
Fri, 24 Jun 2022 20:40:59 +0000
NASA’s Psyche asteroid mission will not launch this year as previously planned after the agency concluded there was not enough time to complete testing of the spacecraft’s software before its launch window closes. The post Software testing problem delays Psyche launch appeared first on SpaceNews.
Fri, 24 Jun 2022 20:22:33 +0000
Telesat has applied for a U.K. license to connect broadband terminals with Lightspeed satellites it plans to start deploying in 2025 to low Earth orbit. The post Telesat requests UK license to connect Lightspeed terminals appeared first on SpaceNews.
Fri, 24 Jun 2022 17:55:27 +0000
The Space Force on June 24 established Space Delta 18, a unit that will run the National Space Intelligence Center at Wright Patterson Air Force Base The post Space Force establishes intelligence unit to put sharper focus on orbital threats appeared first on SpaceNews.
Fri, 24 Jun 2022 17:22:56 +0000
NASA managers say they have completed testing of the Space Launch System after a recent countdown rehearsal and are ready to move into preparations for a launch as soon as late August. The post NASA declares SLS countdown rehearsal complete appeared first on SpaceNews.
Fri, 24 Jun 2022 16:34:25 +0000
Propulsion startup Orbion Space Technology will supply thrusters for a U.S. Space Force prototype weather satellite under a contract with General Atomics Electromagnetic Systems. The post Orbion to supply propulsion for General Atomics weather satellite appeared first on SpaceNews.
Fri, 24 Jun 2022 11:40:22 +0000
The X Prize Foundation is considering a prize competition focused on removal of space debris to spur technological innovation in the field. The post X Prize Foundation studying active debris removal competition appeared first on SpaceNews.
Fri, 24 Jun 2022 08:20:27 +0000
The United States' announcement of a ban on destructive ASAT tests set the stage for a UN meeting on reducing space threats. The post Parallel Paths for Space Sustainability appeared first on SpaceNews.
Thu, 23 Jun 2022 22:08:51 +0000
OneWeb, the broadband megaconstellation company whose launch plans were disrupted by Russia’s invasion of Ukraine, expects to resume launches late this year, an executive said June 23. The post OneWeb to resume launches in fourth quarter appeared first on SpaceNews.
Thu, 23 Jun 2022 18:47:03 +0000
SatixFy named David Ripstein as CEO June 23 to lead the satcoms equipment maker’s planned transformation into a public company. The post SatixFy names CEO to lead its public company transformation appeared first on SpaceNews.
Thu, 23 Jun 2022 18:46:57 +0000
A Hughes-OneWeb prototype network at Thule, Greenland, is fast enough to enable video conferencing, streaming video and interactive games. The post Hughes and OneWeb deploy high-speed internet for U.S. military at remote Arctic base appeared first on SpaceNews.
Thu, 23 Jun 2022 15:56:02 +0000
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Thu, 23 Jun 2022 15:03:15 +0000
Arianespace launched a pair of satellites aiming to improve broadband coverage in the Asia-Pacific region June 22 on the Ariane 5 rocket’s first flight of the year. The post First Ariane 5 flight of 2022 launches two satellites for Asia-Pacific appeared first on SpaceNews.
Thu, 23 Jun 2022 14:00:32 +0000
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Thu, 23 Jun 2022 13:00:01 +0000
Over the last year, Microsoft and Xplore worked with the National Oceanic and Atmospheric Administration to show how commercial services could support operations of polar-orbiting weather satellites. The post Microsoft, Xplore and NOAA demonstrate cloud-based satellite operations appeared first on SpaceNews.
Thu, 23 Jun 2022 12:00:45 +0000
The new head of the Office of Space Commerce says he’s talking with industry on how his office can best take over civil space traffic management while also potentially taking on more regulatory responsibilities. The post Office of Space Commerce on a “listening tour” for civil space traffic management appeared first on SpaceNews.
Thu, 23 Jun 2022 08:20:31 +0000
Helping operators steer satellites away from potential collisions in increasingly packed orbits is a key driver for improving space traffic management, but also important is knowing when fuel draining detours are not needed. The post Connecting the Dots | Improving satellite collision predictions for efficient space appeared first on SpaceNews.
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  • CV: Lead Avionics Engineer

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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:02-05-2013
     Last Modified:09-12-2016 (05:20)
    Job information
     Current job:Lead Avionics Engineer
     Employment Term:Either
     Job location:Europe only
     Date available:within 2 months
     Industry:Civil Agencies/International Organizations, Satellite Manufacturers and Subcontractors, Satellite Operators, Consulting/Engineering Services, Space Tourism
     Keywordsattitude control, orbital control, flight dynamics, attitude determination, guidance and navigation, mission operations, matlab, simulink, GNC, AOCS
    CV

    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    SUMMARY OF QUALIFICATIONS

    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    Accomplished guidance, navigation, and control engineer with 17 years of research and industrial experience designing, implementing, and testing algorithms, software, and simulation tools for space vehicles. Proven track record of leading the technical effort to implement GN&C subsystems from preliminary design through integration and test for new space companies and NASA. Significant projects include:

    * Designed and coded the on-board attitude determination and orbit navigation modules for the Cygnus advanced maneuvering spacecraft, which has flown several successful missions to the ISS.

    * Developed the GN&C subsystem architecture and 6-DOF simulation environment for the Bigelow B330 space habitat.

    * Designed the attitude determination and control system for NASA Goddard's Magnetospheric Multiscale Mission (MMS), a constellation launched in 2014 and currently operational.

    * Acted as one of the original architects of the attitude determination and control system design now used on Orbital Sciences' entire fleet of successful GEOStar commercial geosynchronous communications spacecraft.

    ~~~~~~~~~~~~~~~~~~~~~~

    AREAS OF EXPERTISE

    ~~~~~~~~~~~~~~~~~~~~~~

    • Spacecraft Attitude Control and Estimation        •  Modeling and 6-DOF Simulation

    • Nonlinear and Robust Control                           •  Trajectory Optimization

    • Mission Operations                                          • Orbit Determination 

    • Structural Dynamics                                        • Kalman Filtering 

    • Flight Software Development               • MATLAB/Simulink, C/C++, UML, Unix, SVN, CVS, Git

    ~~~~~~~~~~~~~~~~~~~~~~~~~~~

    PROFESSIONAL EXPERIENCE

    ~~~~~~~~~~~~~~~~~~~~~~~~~~~

    Lead Engineer, Avionics Group

    Firefly Space Systems - Austin, TX

    March 2016 to Present

    * Lead engineer for the Alpha launch vehicle autonomous flight termination system (AFTS). Manage schedule, manpower, and budget.

    * Develop AFTS architecture, define subsystem requirements, perform hardware component trade studies, and code safety-critical software.

    * Interface with the FAA and RCC to acquire launch license. 

    Guidance, Navigation, and Controls Subsystem Lead

    Bigelow Aerospace - Las Vegas, NV

    January 2015 to January 2016

    Bigelow B330 Space Habitat

    * Acted as sole GN&C subsystem engineer in the company. Defined GN&C concept of operations, system architecture, and requirements.

    * Developed a 6-DOF simulation and analysis tool from the ground-up. Designed propellant optimal phase-plane attitude controller.

    Bigelow Expandable Activity Module (BEAM)

    * Developed mathematical model of BEAM deployment dynamics and performed monte carlo analyses.

    * Gained approval from the NASA Space Station Program Control Board (SSPCB) that BEAM may safely deploy on the ISS.

    * Authored the procedure that was used by the ISS astronauts to expand BEAM on-orbit. 

    Sr. Principal Engineer, GN&C Group

    Orbital Sciences Corporation - Dulles, VA

    March 2009 to March 2013

    Gravity and Extreme Magnetism Small Explorer (GEMS) Spacecraft

    * Lead GN&C analyst for the GEMS program. Directed the on-board attitude control, estimation, and orbit determination design.

    * Successfully led the GN&C subsystem development through the critical design review milestone ahead of schedule and under budget.

    Cygnus Advanced Maneuvering Spacecraft

    * Designed, coded, and tested the on-board attitude determination and orbit navigation modules. Flight code was written in C++ using a UML framework.

    * Vehicle has flown several successful missions to the ISS.

    Sr. Principal Engineer

    NASA Goddard Space Flight Center (Contractor) - Greenbelt, MD

    January 2008 to March 2009

    Magnetospheric Multiscale Mission (MMS)

    * Developed the 6-DOF, high-fidelity simulation tool used for the MMS constellation control system design.

    * Designed the primary on-board attitude determination system.

    * Spacecraft was launched in 2014 and is operational.

    Sr. Principal Engineer, GN&C Group

    Orbital Sciences Corporation - Dulles, VA

    1998 to 2008

    Contributed to the attitude determination and control design of most Orbital Sciences' spacecraft over a 14-year period. Have performed roles as both lead GN&C subsystem engineer and technical expert. Highlights include:

    Lead Attitude Control System Engineer, NSS-9 Spacecraft

    * Acted as lead ACS subsystem engineer for the NSS-9 geosynchronous commercial communications spacecraft, currently operational.

    * Managed analyses required for milestone reviews, software verification testing, schedule, and budget.

    Far Ultraviolet Spectroscopic Explorer (FUSE) Spacecraft

    * Devised innovative, real-time optimal slew guidance algorithm which enabled science mission to continue well past design life and after three out of four reaction wheels had failed.

    * Optimal slew guidance scheme increased feasible science target window from 1% to 70% of nominal mission window.

    GEOStar Commercial Communications Satellites

    * Designed and implemented the primary and back-up gyroless attitude determination system for Orbital's first three-axis stabilized commercial communications satellite.

    * Attitude control and estimation design is now being used on Orbital's entire product line of orbiting geosynchronous communications spacecraft.

    Sensor Calibration Software Package

    * Developed an alignment Kalman Filter tool used to estimate on-orbit sensor alignment and biases in redundant gyros and star trackers from telemetry.

    * Ground software has successfully been used to calibrate the Orbview-3, DAWN, AIM, and NuSTAR spacecraft.

    Orbview-3 Spacecraft

    * Led the development of the image mode command software in the mission planning system.

    * Spacecraft began acquiring 1 meter panchromatic and 4 meter multispectral imagery in 2003.

    Engineer, Structural Dynamics Group

    General Dynamics Space Systems - San Diego, CA

    1989 to 1992

    Member of the team which designed the Atlas/Centaur class commercial launch vehicles. Performed spacecraft coupled loads analyses using NASTRAN and DMAP. Developed a 6-DOF analysis tool used to compute launch vehicle and spacecraft loads during critical maximum dynamic pressure gust event. 

    ~~~~~~~~~~~~~

    EDUCATION

    ~~~~~~~~~~~~~

    1998 Aerospace Engineering (Control Theory)

    Doctor of Philosophy, - The University of Texas at Austin, Austin, TX

    * Dissertation:  Linear Parameter Varying Representations for Nonlinear Control Design

    * Performed doctoral research under Jeff Shamma.

    * Coursework included all topics in applied mathematics, statistical estimation theory, robust & optimal control, and flight dynamics.  

     

    1988 Aerospace Engineering

    Master of Science, - Virginia Polytechnic Institute & State University, Blacksburg, VA

     

    1987 Aerospace & Ocean Engineering

    Bachelor of Science, - Virginia Polytechnic Institute & State University, Blacksburg, VA

     

    ~~~~~~~~~~~~~~~~

    PUBLICATIONS

    ~~~~~~~~~~~~~~~~

    L. Carter and J. Shamma, Gain-Scheduled Bank-to-Turn Missile Autopilot Design Using Linear Parameter Varying Transformations, AIAA Journal of Guidance, Control, and Dynamics, Vol. 19, No. 5, Sept.-Oct. 1996.

     

    ~~~~~~~~~~

    AWARDS

    ~~~~~~~~~~

     

    * Certificate of Appreciation, Radarsat-2 Program, Orbital Sciences Corporation.

    * Graduate Research Fellowship, Air Force Office of Scientific Research.

    * University Fellowship Award, The University of Texas at Austin.

    * Pacesetter Award, General Dynamics Space Systems Division.

     

     


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