Latest Space News
Fri, 25 Jul 2014 09:14:00 +0100
Astronomers using NASA Kepler data have discovered a transiting exoplanet with the longest known year. Kepler-421b orbits its star once every 704 days. In comparison, Mars orbits our sun once every 780 days. Most of the more than 1,800 confirmed exoplanets discovered to date are much closer to their stars and have much shorter orbital periods. "Finding Kepler-421b was a stroke of luck," says lead author David Kipping of the Harvard-Smithsonian Center for Astrophysics. "The ...
Thu, 24 Jul 2014 21:22:00 +0100
WASHINGTON -  Back in 2012, the Sun erupted with a powerful solar storm that just missed the Earth but was big enough to "knock modern civilization back to the 18th century," NASA said. The extreme space weather that tore through Earth's orbit on July 23, 2012, was the most powerful in 150 years, according to a statement posted on the US space agency website Wednesday. However, few Earthlings had any idea what was going on. "If the eruption had occurred only one week earlier,...
Thu, 24 Jul 2014 14:15:00 +0100
Astronomers using NASA's Hubble Space Telescope have gone looking for water vapor in the atmospheres of three planets orbiting stars similar to the sun -- and have come up nearly dry. The three planets, known as HD 189733b, HD 209458b, and WASP-12b, are between 60 and 900 light-years away from Earth and were thought to be ideal candidates for detecting water vapor in their atmospheres because of their high temperatures where water turns into a measurable vapor. These so-called &ld...
Thu, 24 Jul 2014 12:50:00 +0100
Following last week's successful launch of six ORBCOMM satellites, the Falcon 9 rocket’s first stage reentered Earth’s atmosphere and soft landed in the Atlantic Ocean. This test confirms that the Falcon 9 booster is able consistently to reenter from space at hypersonic velocity, restart main engines twice, deploy landing legs and touch down at near zero velocity. After landing, the vehicle tipped sideways as planned to its final water safing state in a nearly horizontal p...
Thu, 24 Jul 2014 08:33:00 +0100
It can take decades to mature an astrophysics flagship mission from concept to launch pad. For example, the iconic Hubble Space Telescope — arguably the greatest telescope in history and certainly the most recognized — was proposed in the 1940s. Its development began in the 1970s and it launched in 1990. Similarly, the James Webb Space Telescope will launch in 2018, 23 years after work began on the concept. And if approved for development, the Wide-Field Infrared Space Telesco...
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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:19-04-2012
     Last Modified:19-04-2012 (05:35)
    Job information
     Current job:Research Assistant
     Employment Term:Permanent
     Job location:Anywhere
     Date available:within 2 months
     Industry:Satellite Operators, , , Consulting/Engineering Services
     KeywordsKalman Filter, Simulation, Numerical Modeling, CFD, Estimation, Navigation
    CV

    RESEARCH INTEREST

    • Spacecraft and Vehicle Navigation via Wireless Local Positioning System (WLPS)
    • Data Assimilation for measurement history matching
    • Photovoltaic System Maximum Power Point Tracking
    • Endoscopy capsule tracking

    EDUCATION

    Michigan Technological University

    PhD Candidate, May 2012

    Mechanical Engineering - Engineering Mechanics

    Advisors: Dr. Ossama Abdelkhalik, Mechanical Engineering Department

        Dr. Seyed A. (Reza) Zekavat, Electrical Engineering Department

     

    University at Buffalo, State University of New York

    Master of Science, Aerospace Engineering, Sept. 2007. GPA: 3.63/4.0

    Advisors: Dr. John L. Crassidis, Mechanical and Aerospace Engineering Department

     

    University at Buffalo, State University of New York

    Bachelor of Science, Aerospace Engineering, June 2005. GPA: 3.46/4.0

    JOURNAL PUBLICATIONS

    1. Shu Ting Goh, Ossama Abdelkhalik and Seyed A. (Reza) Zekavat, “Spacecraft Formation Orbit Estimation using WLPS-based Localization”, International Journal of Navigation and Observation, vol. 2011, Article ID 654057, 12 pages, 2011. doi:10.1155/2011/654057.
    2. Shu Ting Goh, Ossama Abdelkhalik and Seyed A. (Reza) Zekavat, “Constraint Estimation of Spacecraft Positions”, Journal of Guidance, Control, and Dynamics, Vol. 35, No. 2, 2012.
    3. Shu Ting Goh, Ossama Abdelkhalik and Seyed A. (Reza) Zekavat, “Implementation of Differential Geometric Filter for Spacecraft Formation Orbit Estimation”, International Journal of Aerospace Engineering, vol. 2012, Article ID 910496, 13 pages, 2012. doi:10.1155/2012/910496.
    4. Shu Ting Goh, Ossama Abdelkhalik and Seyed A. (Reza) Zekavat, “A Weighted Measurement Fusion Kalman Filter Implementation for UAV Navigation”, Aerospace Science and Technology, (under review).
    5. Ahmed Kadry, Shu Ting Goh, Ossama Abdelkhalik, Shehab Ahmed and Ahmed Massoud, “Iterated Unscented Kalman Filter-Based Maximum Power Point Tracking for Photovoltaic Applications”, IEEE Transactions on Sustainable Energy, (under review).

    CONFERENCE PROCEEDING PUBLICATIONS

    1. Shu Ting Goh, Ossama Abdelkhalik and Seyed A. (Reza) Zekavat, “Spacecraft Constellation Orbit Estimation via a Novel Wireless Positioning System” AAS/AIAA Winter Conference, AAS 09-116, Feb 2009, Savannah, Georgia.
    2. Shu Ting Goh, Ossama Abdelkhalik and Seyed A. (Reza) Zekavat, “Differential Geometric Estimation for Spacecraft Formation Orbits via a Cooperative Wireless Positioning” IEEE Aerospace Conference, IEEEAC 1644, March 2010, Big Sky, Montana.
    3. Shu Ting Goh, Chris E. Passerello and Ossama Abdelkhalik, “Spacecraft Relative Attitude Determination” IEEE Aerospace Conference, IEEEAC 1654, March 2010, Big Sky, Montana.
    4. Seyed A. (Reza) Zekavat, Ossama Abdelkhalik, Shu Ting Goh, and, Daniel R. Fuhrmann, “A novel space-based solar power collection via LEO satellite networks: Orbital management via wireless local positioning systems” IEEE Aerospace Conference, IEEEAC 1645, March 2010, Big Sky, Montana.
    5. Shu Ting Goh, Seyed A. (Reza) Zekavat and Ossama Abdelkhalik, “Space-Based Wireless Solar Power transfer via a network of LEO satellites: Doppler Effect Analysis” IEEE Aerospace Conference, March 2012, Big Sky, Montana.

    TEACHING EXPERIENCE

    Michigan Technological University

    Fall 2012 MEEM 4705/5704 Introduction to Robotics and Mechatronics,Teaching Assistant

    Spring 2011 MEEM 2500 Integrated Design and Manufacturing,Teaching Assistant

    Fall 2010 MEEM 2500 Integrated Design and Manufacturing,Teaching Assistant

    MASTER’S THESIS

    Thesis title: Unscented Kalman Filtering for Relative Attitude and Position Estimation

    KEY SKILLS

    Expertise: Kalman Filter, Particle Filter, Data Assimilation, State Estimation, Data Fusion

    Text processing: Microsoft Word, Excel, PowerPoint, LaTex

    Programming: Matlab, C/C++ Language, Adept V+ Language, Labview

    LANGUAGES

    English, Mandarin, Malay, Cantonese, Hokkien

    HONORSCLUB/SOCIETY

    American Institute of Aeronautics and Astronautics (AIAA) Student Member

    American Astronautical Society (AAS) Student Member

     

    Golden Key Club member

    Sigma Gamma Tau member

    Tau Beta Pi, Ny Nu Chapter member.

    OTHERS

    Assistant Director of Wireless Positioning Labhttp://www.ece.mtu.edu/ee/faculty/rezaz/wlps/index.html

    REFERENCES

    1. Dr. Ossama Abdelkhalik, ooabdelk(at)mtu.edu

    Assistant Professor of MechanicalEngineering, Michigan Technological University

    1. Dr. Seyed A. Zekavat, rezaz(at)mtu.edu

    Associate Professor of Electrical Engineering, Michigan Technological University

    1. Dr. Chris  E. Passerello, cepass(at)mtu.edu

    Professor of MechanicalEngineering, Michigan Technological University



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