Latest Space News
Sun, 16 Jun 2019 21:13:12 +0000
The buzzword in military space these days is “proliferated LEO,” which is Pentagon-speak for large numbers of small satellites in low Earth orbit. SpaceNews.com
Sun, 16 Jun 2019 10:53:06 +0000
Smith so far has not been happy with the Air Force’s response to his concerns about the launch program. SpaceNews.com
Sat, 15 Jun 2019 19:39:13 +0000
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Fri, 14 Jun 2019 20:16:00 +0000
The chairman of the Federal Communications Commission defended the use of spectrum for 5G wireless services while a key senator called for a hearing on potential interference such services could have with space-based weather observations. SpaceNews.com
Fri, 14 Jun 2019 16:53:19 +0000
NASA has laid out a rough plan for what it now calls the Artemis program, including what needs to be built — SLS and Orion, a “minimal” Gateway and lunar landers — and how it can come together in time for a 2024 landing. What the agency has been less forthcoming about, though, is how much it will cost. SpaceNews.com
Fri, 14 Jun 2019 11:24:06 +0000
As astrophysicists prepare to begin their next decadal survey, other scientists and members of Congress endorsed the overall process even as they suggested some changes. SpaceNews.com
Fri, 14 Jun 2019 10:24:16 +0000
NASA Administrator Jim Bridenstine said in a television interview June 13 that it will cost the agency an additional $20 billion to $30 billion to return humans to the moon, the first range of costs given by the agency for the program. SpaceNews.com
Thu, 13 Jun 2019 23:19:45 +0000
The amended language retained two key provisions that help SpaceX and Blue Origin, and removed two others that were opposed by ULA. SpaceNews.com
Thu, 13 Jun 2019 14:56:45 +0000
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Thu, 13 Jun 2019 12:33:33 +0000
Six experiments have been granted a place aboard to the future Chinese Space Station through a joint international cooperation initiative, with three more receiving conditional acceptance. SpaceNews.com
Thu, 13 Jun 2019 08:11:32 +0000
HASC creates a United States Space Corps led by a four-star commandant. SpaceNews.com
Wed, 12 Jun 2019 22:52:44 +0000
The SASC is trying to hold the Air Force more accountable for the performance of space acquisition programs. SpaceNews.com
Wed, 12 Jun 2019 21:15:00 +0000
NASA plans to adjust operations of an airborne astronomical observatory in order to increase its scientific productivity. SpaceNews.com
Wed, 12 Jun 2019 20:49:25 +0000
The contract was awarded to SAIC on Jan. 31. Peraton filed a protest March 5. SpaceNews.com
Wed, 12 Jun 2019 17:58:27 +0000
Red Eléctrica said the credit line, formalized June 12, is available for five years with the possibility of extension to seven years. SpaceNews.com
Wed, 12 Jun 2019 17:10:14 +0000
Intelsat General launched FlexAir, a new managed service offering that provides high, performing, resilient broadband service for en-route communications for government officials, troops and cargo aircraft as well as intelligence, surveillance and reconnaissance missions. SpaceNews.com
Wed, 12 Jun 2019 15:22:29 +0000
A SpaceX Falcon 9 successfully launched a trio of Canadian synthetic aperture radar (SAR) satellites June 12 that promise higher resolution imagery with shorter revisit times. SpaceNews.com
Wed, 12 Jun 2019 11:37:24 +0000
In celebration of the 50th anniversary of the Apollo 11 moon landing, SpaceNews will be publishing in July a definitive guide to 11 must-see movies for space professionals and hardcore enthusiasts alike. To prepare for liftoff, we're asking you to weigh in on your picks for must-see movies for anyone serious about space. SpaceNews.com
Wed, 12 Jun 2019 11:11:10 +0000
Scientists and the chair of a key House committee expressed concern at a June 11 hearing that NASA could raid science programs to pay for its accelerated return to the moon. SpaceNews.com
Wed, 12 Jun 2019 02:14:59 +0000
A bipartisan amendment to strike Smith’s space launch provisions is expected to be offered by Colorado lawmakers Lamborn and Crow. SpaceNews.com
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  • CV: Graduate 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:12-11-2014
     Last Modified:12-11-2014 (07:57)
    Job information
     Current job:Graduate Research Assistant
     Employment Term:Permanent
     Job location:Anywhere
     Date available:within 2 months
     Industry:Civil Agencies/International Organizations, Satellite Manufacturers and Subcontractors, Satellite Operators, Consulting/Engineering Services
     KeywordsPhD Researcher in GNC systems, Attitude Control, Micropropulsion, Flight dynamics, Attitude dynamics.
    CV

    Objective: A full time position working on spaceflight programs, focusing in the areas of attitude dynamics and control or propulsion systems.

    Education:

    Cornell University, Sibley School of Mechanical and Aerospace Engineering. Ithaca, NY

    Ph.D. Candidate in Aerospace Engineering, December 2014 (expected)

    Ph.D. research in electrolysis propulsion systems and spacecraft dynamics

    Advisor: Dr. Mason Peck

    GPA: 3.91/4.0

    Massachusetts Institute of Technology, Cambridge, MA

    S.B. in Aerospace Engineering, June 2009

    GPA: 4.7/5.0

    Relevant Courses:

    Spacecraft Dynamics and Mission Design, Space Propulsion, Space Systems Engineering, Celestial Mechanics, Multivariable Control Theory, Robust Control, GPS Theory and Design

    Research Experience:

    Space Systems Design Studio, Cornell University, Ithaca, NY        2009 – present

    -    Designed and developed a novel propulsion system for CubeSats based on electrolysis of water

    -    Led a team of undergraduate researchers currently developing CubeSat mission to demonstrate the propulsion system

    -    Developed prototype to test the performance of propulsion system in the vacuum chamber

    -    Analyzed dynamics and attitude control of spinning CubeSat

    -    Served as Guest Investigator for Violet Nanosatellilte. Designed Control Moment Gyroscope steering laws to be tested in orbit

    Space Systems Engineering, MIT, Cambridge, MA             2008 – 2009

    -    Architected communications subsystem for CASTOR flight program

    -    Designed, built and tested deployable arrays of solar cells to power a nanosatellite selected for the Air Force’s UNP Nanosat-6 program

     

    Aerospace Controls Laboratory, MIT, Cambridge, MA     2007

    -    Constructed stations for autonomously recharging the batteries of UAV helicopters. Integrated the necessary power electronics onto landing platform

    -    Designed and machined a three degree of freedom aluminum testing mechanism for flying helicopters indoors

    Work Experience:             

    Dragonfly Pictures, Inc., Essington, PA    Summer 2008

    -   Coordinated flight tests leading to autonomous flight of an electric, tandem-rotor UAV

    -  Developed tools to predict stability of UAV and alleviate pitch oscillations

    Teaching Experience:

    Spacecraft Engineering, Cornell University, Ithaca, NY     Spring 2012 and 2013

    -  Teaching Assistant for junior/senior level spacecraft engineering class for two semesters

    -  Prepared and delivered three lectures on space propulsion, as well as guest lectures 

    -  Developed homework assignments and solutions for the course

    System Dynamics, Cornell University, Ithaca, NY                Summer 2013

    -  Teaching Assistant for sophomore/junior level class

    -  Prepared laboratory experiments and led laboratory sections

    -  Prepared and delivered guest lectures

    Skills:

    Programming/Computer

    -   MATLAB/Simulink

    -   ANSYS

    -  Solidworks

    -  Office and Adobe suites

    -  National Instruments DAQ

    Foreign Languages:

    -  Fluent in Spanish and English

    Other:

    -  Machining: Mill/Lathe

    -  Vacuum chamber operation

    Awards:

    -  Best Presentation, Sibley Graduate Research Symposium, Cornell University. Ithaca NY March 2014

    -  Best Presentation in Session, AIAA Guidance, Navigation and Control Conference. Minneapolis, MN Aug. 2013

    -  Best Student Poster, Desktop Delta-V Conference, Brown University. Providence, RI Feb. 2011

    Publications:

    Zeledon and Peck, "Attitude Dynamics and Control of a 3U CubeSat with Electrolysis Propulsion," AIAA Guidance, Navigation, and Control Conference, Boston, MA, Aug 19 22, 2013.

    Jones, Zeledon and Peck, "A Generalized Framework for Linearly Constrained Control Moment Gyro Steering," AIAA Journal of Guidance, Control, and Dynamics, Vol. 35, No. 3, pp. 1094-1103, 2012.

    Zeledon and Peck, "Performance Testing of a CubeSat-scale Electrolysis Propulsion System," AIAA Guidance, Navigation, and Control Conference, Minneapolis, MN, Aug 13 16, 2012.

    Zeledon and Peck, "Electrolysis Propulsion for CubeSat-Scale Spacecraft," AIAA Space 2011 Conference & Exposition, Long Beach, CA, Sep 27-29, 2011.

    Zeledon and Peck, "Singularity-Free Constrained Steering Law for Triplet Control Moment Gyros," AIAA Astrodynamics Specialist Conference, Toronto, ON, Aug 2-5, 2010.


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