Latest Space News
Wed, 17 Aug 2022 22:33:22 +0000
NASA’s Space Launch System made its third trip to the launch pad Aug. 17, this time with the intent of lifting by early next month. The post SLS arrives at the pad for Artemis 1 launch appeared first on SpaceNews.
Wed, 17 Aug 2022 22:29:55 +0000
U.S. military and allied forces in upcoming exercises will put to the test commercial technologies that could help detect GPS jamming or other activities that disrupt satellite-based navigation. The post Commercial geospatial technologies that detect GPS disruptions to be tested in military exercises appeared first on SpaceNews.
Wed, 17 Aug 2022 13:11:16 +0000
A historical warfare perspective on enhancing satellite survivability and ensuring commercial satellites are more agile in today’s threat environment. The post Op-ed | Preparing for Maneuver Warfare in Space – The Next Battleground appeared first on SpaceNews.
Wed, 17 Aug 2022 08:00:15 +0000
Will regulators show mercy for constellation hopefuls battling unprecedented manufacturing and launch constraints outside their control? The post Seeking Regulatory Mercy: The case for extending constellation deployment deadlines appeared first on SpaceNews.
Wed, 17 Aug 2022 03:22:48 +0000
Ball Aerospace and Seagate Technology Holdings are working together to develop and test high-capacity commercial data processing and storage devices for spaceflight applications. The post Ball and Seagate test data storage devices for satellites appeared first on SpaceNews.
Tue, 16 Aug 2022 22:20:51 +0000
Supply chain issues have delayed the launch of the first operational satellite in AST SpaceMobile’s cellphone-compatible broadband constellation by about six months to late 2023. The post AST SpaceMobile delays commercial satellite debut by six months appeared first on SpaceNews.
Tue, 16 Aug 2022 21:53:18 +0000
A large ship that Blue Origin planned to convert into a landing platform for New Glenn boosters is instead being sent to the scrapyard as the company changes its recovery plans. The post Blue Origin scraps original recovery ship for New Glenn boosters appeared first on SpaceNews.
Tue, 16 Aug 2022 20:48:19 +0000
Orion Space Solutions announced Aug. 16 it was selected by the U.S. Space Force to develop three small satellites for a demonstration of on-orbit services in geostationary Earth orbit. The post Orion Space wins U.S. Space Force contract for on-orbit services experiment appeared first on SpaceNews.
Tue, 16 Aug 2022 14:15:36 +0000
A legislative proposal in the 2023 defense spending bill calling on DoD to leverage commercial space networks marks a victory of sorts for the SmallSat Alliance. The post On National Security | SmallSat Alliance steps up push for a military comms ‘outernet’ appeared first on SpaceNews.
Tue, 16 Aug 2022 11:20:54 +0000
Astrobotic Technology, a lunar lander developer, has made a formal bid for “substantially all” of the assets of Masten Space Systems, another lander company that filed for Chapter 11 bankruptcy last month. The post Astrobotic bids for Masten Space Systems assets appeared first on SpaceNews.
Tue, 16 Aug 2022 11:10:43 +0000
A Chinese reusable experimental spacecraft remains in orbit nearly two weeks after launch, despite passing directly over its expected landing site early Monday. The post China’s spaceplane remains in orbit but clues emerge from recovered launch debris appeared first on SpaceNews.
Mon, 15 Aug 2022 21:00:06 +0000
While there have been successful projects demonstrating readily available industry capability, the Department of Defense has not yet successfully institutionalized the imperative of responsive space The post Op-ed | DoD falling short on responsive space capabilities appeared first on SpaceNews.
Mon, 15 Aug 2022 17:02:15 +0000
Space logistics company D-Orbit said Aug. 12 it has canceled plans to go public by merging with Breeze Holdings Acquisition Corp, a special purpose acquisition company (SPAC). The post D-Orbit cancels SPAC merger plan appeared first on SpaceNews.
Mon, 15 Aug 2022 15:29:26 +0000
The U.S. Air Force Special Operations Command awarded SpaceX a $1.9 million one-year contract to provide Starlink internet services in Europe and Africa starting this month. The post SpaceX gets $1.9 million Air Force contract for Starlink services in Europe and Africa appeared first on SpaceNews.
Sun, 14 Aug 2022 23:22:53 +0000
How pandemic and war dealt a double whammy to a supply chain already struggling to keep up. The post Smallsat’s supply chain woes appeared first on SpaceNews.
Sun, 14 Aug 2022 22:39:58 +0000
Virgin Orbit now expects to perform four launches this year, at the low end of earlier projections, but with a higher per-launch revenue. The post Virgin Orbit reduces launch forecast while increasing per-launch revenue appeared first on SpaceNews.
Sun, 14 Aug 2022 21:00:09 +0000
Once-in-a-generation advances in commercial technology will fundamentally strengthen the U.S. economic and security posture in space The post Op-ed | Why a ‘hybrid’ space architecture makes sense for economic and national security appeared first on SpaceNews.
Sun, 14 Aug 2022 09:15:04 +0000
Satellite ground stations that for decades have been operated by the U.S. Army will be officially handed over to the Space Force on Aug. 15. The post U.S. Army hands over satellite operations to Space Force, but keeps a foothold in space appeared first on SpaceNews.
Sat, 13 Aug 2022 21:43:50 +0000
NASA and the U.S. Space Force have resolved an issue with the flight termination system on the Space Launch System that could have cut short the vehicle’s inaugural launch campaign. The post NASA, Space Force resolve SLS flight termination system issue appeared first on SpaceNews.
Fri, 12 Aug 2022 21:46:55 +0000
Vice President Kamala Harris said Aug. 12 that the National Space Council will work to revise commercial space regulations that have become “simply outdated” as the industry evolves. The post Harris says U.S. to update commercial space regulations appeared first on SpaceNews.
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  • CV: Research Assistant

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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:05-12-2013
     Last Modified:05-12-2013 (07:17)
    Job information
     Current job:Research Assistant
     Employment Term:Permanent
     Job location:Anywhere
     Date available:immediately
     Industry:Satellite Manufacturers and Subcontractors
     KeywordsControl design, software design, optical analysis, star tracker specialist
    CV

    OBJECTIVE
    To obtain a career in satellite sensor design and satellite control research and development


    EDUCATION

    Doctor of Philosophy, Aerospace Engineering                                   Sept. 2013
    Ryerson University, Toronto, ON
    Thesis: Development and Characterization of Color Star Trackers
    Supervisor: Dr. John Enright

    Master of Applied Science, Electrical Engineering                                 Aug. 2008
    Ryerson University, Toronto, ON
    Thesis: Robust Nonlinear Control Of Under-actuated Satellite Formation
    Supervisors: Dr. Guanjun Liu and Dr. Krishna Dev Kumar

    Bachelor of Engineering, Electrical Engineering                      May 2006
    Ryerson University, Toronto, ON
     

    RESEARCH INTERESTS
    Nonlinear dynamics and nonholonomic control systems
    Sensor design and fusion, attitude estimation, and Kalman ltering
    Bridging theory and practical implementation towards commercialization


    PROFESSIONAL EXPERIENCE

    Research Assistant                             Sept. 2013 - Present
    Space Avionics and Instrumentation Laboratory (SAIL)
    Ryerson University, Toronto, ON
     + Research and development of Color Star Tracking theory and implementation

    Developement Team Member                                Oct. 2009 - May 2010
    Joint ST-16 Star Tracker Project (high-precision spacecraft attitude sensor)
    SAIL Ryerson, Space Flight Laboratory (SFL) University of Toronto
    Institute for Aerospace Studies (UTIAS), and Sinclair Interplanetary

     + Hardware design and register con guration of CMOS sensor module.
     + Expected on orbit deployment November 2013
     + Details at http://www.sinclairinterplanetary.com/startrackers

    Teaching/Graduate Assistant                                    2003 - 2012
    Ryerson University, Toronto, ON
     + Department of Mathematics (MTH140, MTH240, and MTH141)
     + Department of Electrical Engineering (ELE202, ELE302, and EES512)
     + Department of Physics (PCS211)


    TECHNICAL SKILLS
    Demonstrated conpetence in the following areas:

    Control Systems
     + Linear - State space, Proportional Integral Derivative (PID), robustness
     + Nonlinear - Lyapunov stability, linearization, sliding-mode
     + Nonholonomic Systems - Underactuated satellite dynamics

    Sensor Calibration
     + Noise Modeling - Characterizing system model and noise sources/behaviors
     + Hardware Calibration - Model parameter estimation through laboratory testing
     + High-Fidelity Simulation - Evaluation of sensor design using numerical modeling

    Programming
     + Low-level - Assembly, C, C++, Fortran
     + High-level - MATLAB (data processing, gpu/parallel-operation, real-time hardware integration)
     + Operating Systems - Linux (Ubunto, Mint)

    Hardware
     + Low-level - Raspberry Pi, PIC Micro-controller, Gumstix (OVERO)
     + High-level - Robotic rotary gimbals, sensor and optical calibrations
     + Astronomy/Photometry - Catalog integration and processing
     + Design Space Characterization - Optical, noise, measurement sensitivity


    PUBLICATIONS

    Refereed Journals
     + Geo ffrey McVittie and John Enright, "Color star tracking I: star measurement", SPIE Journal of
         Optical Engineering, Vol. 51, No. 8, August 2012
     + John Enright and Geo rey McVittie, "Color star tracking II: matching", SPIE Journal of Optical
         Engineering, Vol. 52, No. 1, January 2013

    Conferences
     + Geoffrey McVittie and John Enright, "Color Star Tracking Using 3CCD Prism Hardware", AIAA
         Guidance, Navigation, and Control Conference, 2012, 10.2514/6.2012-5001
     + John Enright and Geoff McVittie, "Star Tracking Using Colour CMOS Detectors" AIAA Guidance,
        Navigation, and Control Conference, 2010, 10.2514/6.2010-8449
     + John Enright, Geoff McVittie, and Thomas Dzamba, "Color-Based Matching for Star Trackers",
        AIAA/AAS Astrodynamics Specialist Conference, 2010, 10.2514/6.2010-7825
     + Geo ffrey McVittie, Krishna Kumar, and Guangjun Liu, "Reduced Input Control of an Underactuated
        Satellite Formation
    ", AIAA Guidance, Navigation, and Control Conference, 2010, 10.2514/6.2010-7710
     + Geoff McVittie, Krishna Kumar, "Design of a COTS Femtosatellite and Mission", AIAA SPACE 2007
        Conference & Exposition, 2007, 10.2514/6.2007-6034


    MEMBERSHIPS
    Institute of Electrical and Electronics Engineers (IEEE)
    American Institute of Aeronautics and Astronautics (AIAA)
    International Society for Optical Engineering (SPIE)


    HONORS
    Queen Elizabeth II Graduate Scholarship in Science and Tech. (QEII-GSST) Sept. 2011 - Aug. 2012
    Ryerson Graduate Scholarship (RGS) Sept. 2007 - Aug. 2011
    Ryerson Graduate Award (RGA) Sept. 2006 - Aug. 2007


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