Latest Space News
Fri, 22 Feb 2019 22:23:55 +0000
NASA managers have given their approval for SpaceX to proceed with an uncrewed test flight of its Crew Dragon spacecraft on March 2. SpaceNews.com
Fri, 22 Feb 2019 17:22:42 +0000
SpaceShipTwo successfully flew to the edge of space for the second time Feb. 22, carrying three people for the first time as Virgin Galactic moved closer to beginning commercial operations of the suborbital spaceplane. SpaceNews.com
Fri, 22 Feb 2019 12:12:05 +0000
As NASA selects payloads it plans to fly on commercial lunar landers, companies developing those spacecraft are skeptical any landers will be ready to fly this year, as the agency desires. SpaceNews.com
Fri, 22 Feb 2019 03:18:10 +0000
A SpaceX Falcon 9 carrying an Indonesian communications satellite, an Israeli lunar lander and a U.S. Air Force smallsat launched Feb. 21 from Cape Canaveral, Florida. SpaceNews.com
Thu, 21 Feb 2019 23:49:24 +0000
Air Force Chief of Staff Gen. David Goldfein: "There are a thousand decisions that have to be made." SpaceNews.com
Thu, 21 Feb 2019 23:43:36 +0000
The Pentagon would ask Congress to approve “special temporary authorities” for the secretary of defense to transfer resources from other services to the Department of the Air Force and the Space Force. SpaceNews.com
Thu, 21 Feb 2019 21:34:19 +0000
EchoStar wishes it ordered its latest satellite, Jupiter-3, sooner than it did, but won’t seek to play catch up by buying another copy of the satellite in order to meet surging demand for broadband connectivity, executives said Feb. 21. SpaceNews.com
Thu, 21 Feb 2019 21:10:24 +0000
At the end of 2018, division chief Clare Grason and her entire satellite communications team at the Defense Information Systems Agency moved over to work in the same capacity under Gen. John (“Jay”) Raymond at the Air Force Space Command (AFSPC). SpaceNews.com
Thu, 21 Feb 2019 18:48:59 +0000
The challenge facing U.S. Strategic Command is figuring out how to develop a modern nuclear command, control and communications system (NC3) that passes muster. SpaceNews.com
Wed, 20 Feb 2019 22:17:54 +0000
As Blue Origin prepares to start flying people on its New Shepard suborbital vehicle, the company’s founder says the altitude the vehicle can reach will put it at an advantage over Virgin Galactic’s SpaceShipTwo. SpaceNews.com
Wed, 20 Feb 2019 21:53:23 +0000
The Indonesian communications satellite that is SpaceX’s primary payload for its second Falcon 9 launch this year overcame a change of manufacturers and the loss of a U.S. Ex-Im Bank loan to reach the launch pad. SpaceNews.com
Wed, 20 Feb 2019 17:21:12 +0000
Facebook and Viasat are collaborating first in Mexico, but are open to expanding globally, Viasat said. SpaceNews.com
Wed, 20 Feb 2019 15:26:15 +0000
Virgin Galactic scrubbed the Feb. 20 flight test for SpaceShipTwo, the air-launched suborbital spaceplane, due to high winds in Mojave, California. The flight test is now scheduled for Friday, Feb. 22. SpaceNews.com
Tue, 19 Feb 2019 23:39:24 +0000
The new chair of the House space subcommittee says she’s looking forward to working with the commercial space industry on a number of issues, including oversight of non-traditional space activities. SpaceNews.com
Tue, 19 Feb 2019 23:20:06 +0000
ULA and SpaceX will split six national security launches planned for 2021 to 2022, the Air Force announced Feb. 19. SpaceNews.com
Tue, 19 Feb 2019 22:18:37 +0000
SPD-4 gives the Pentagon the official go-ahead to send a proposal to the White House recommending the establishment of a separate military branch for space. SpaceNews.com
Tue, 19 Feb 2019 20:15:12 +0000
Virgin Galactic plans to conduct a fifth test flight Feb. 20 of its suborbital spaceplane SpaceShipTwo, VSS Unity. SpaceNews.com
Tue, 19 Feb 2019 20:14:26 +0000
A slow start for Eutelsat’s Konnect Africa broadband venture and losses in activities beyond the fleet operator’s core business contributed to a 4.4 percent decline in revenue during the last half of 2018. SpaceNews.com
Mon, 18 Feb 2019 22:11:51 +0000
The multiyear investment begins with 18-month contract worth few million pounds. SpaceNews.com
Mon, 18 Feb 2019 01:28:19 +0000
As LeoStella inaugurated the factory that will be used to produce a series of Earth imaging satellites, the joint venture of Thales Alenia Space and Spaceflight Industries continues to look for other customers. 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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