Latest Space News
Tue, 24 Apr 2018 21:20:22 +0000
Countering WMDs is a major intelligence fusion challenge. Thomas: “Even for an organization that prides itself in agility, which we do, this is some incredibly problem solving.” SpaceNews.com
Tue, 24 Apr 2018 20:23:58 +0000
Geospatial data companies are focusing intently on acquiring satellite imagery quickly and speeding data delivery to customers. SpaceNews.com
Tue, 24 Apr 2018 20:14:24 +0000
The light-lift Vega rocket is Europe’s vehicle of choice for small satellites, but has mainly launched spacecraft weighing hundreds of kilograms. While that’s smaller than what Arianespace normally launches on an Ariane 5 or Soyuz, it’s not the “small” that people generally think of when they think smallsats. SpaceNews.com
Tue, 24 Apr 2018 18:09:21 +0000
Lockheed Martin executives said April 24 they are confident they will win an Air Force competition for the next set of GPS 3 navigation satellites as questions swirl about what other companies, if any, submitted proposals. SpaceNews.com
Tue, 24 Apr 2018 15:42:28 +0000
An Ariane 5 launch has been cancelled after an unexplained problem with an Indian space agency satellite that was supposed to ride on the mission. SpaceNews.com
Tue, 24 Apr 2018 14:34:24 +0000
In its quest for cutting edge commercial solutions to military problems, the U.S. Defense Innovation Unit Experimental (DIUx) is not ignoring the talents of traditional government contractors. SpaceNews.com
Tue, 24 Apr 2018 02:47:23 +0000
Speedcast’s revenues more than doubled in 2017 as the satellite network operator began leveraging its acquisitions of U.S. companies Harris CapRock and UltiSat. SpaceNews.com
Tue, 24 Apr 2018 01:18:18 +0000
NGA Director Cardillo: “I want the market to work … but government shouldn’t be their first customer. We should be their second customer.” SpaceNews.com
Mon, 23 Apr 2018 23:00:57 +0000
NASA’s new administrator said he’s “very excited” about leading the space agency as he takes office after an extended confirmation process. SpaceNews.com
Mon, 23 Apr 2018 19:24:12 +0000
USD Kernan: "we really haven’t taken all the advantage we can of technology.” SpaceNews.com
Mon, 23 Apr 2018 19:01:42 +0000
Wilson sat down with SpaceNews at the recent Space Symposium in Colorado Springs to discuss the ongoing reorganization of the Space and Missile Systems Center, space investment priorities and her plans to secure congressional support for budgets and management reforms. SpaceNews.com
Mon, 23 Apr 2018 17:54:23 +0000
In the months preceding the launch of Avanti’s Hylas-4 satellite, the British operators didn’t mince words when it described the importance of a successful mission as “critical.” SpaceNews.com
Mon, 23 Apr 2018 12:23:19 +0000
"We are trying to effectively link air, land, sea and space. The geospatial context on the ground may give you some type of indications and warning of something happening in space," said Chirag Parikh, director of NGA's Office of Source Strategies. SpaceNews.com
Mon, 23 Apr 2018 00:53:45 +0000
NASA’s next administrator, Jim Bridenstine, is set to be sworn into office April 23 as the space industry breathes a sigh of relief that his extended confirmation process is finally over. SpaceNews.com
Sun, 22 Apr 2018 23:31:54 +0000
Within the top five space contractors, from 2011 to 2017, ULA surpassed Boeing and became the top overall vendor. SpaceNews.com
Sat, 21 Apr 2018 16:53:32 +0000
"Other transactions authorities" allow the Air Force to go faster to prototyping. SpaceNews.com
Fri, 20 Apr 2018 23:19:54 +0000
GEOShare, a Lockheed Martin subsidiary matching missions with orbital slots in an effort to boost satellite sales, has signed up over 150 missions and over 100 orbital locations, said Lon Levin, GEOShare president and chief executive. SpaceNews.com
Fri, 20 Apr 2018 16:46:40 +0000
As Lockheed Martin prepares to complete assembly of the Orion spacecraft flying on the first SLS mission, the company says it’s making progress in lowering the costs of the future spacecraft, including through reuse. SpaceNews.com
Fri, 20 Apr 2018 00:03:03 +0000
Air Force and NRO leaders emphasized their close ties at the 34th Space Symposium here and offered proof the relationship is helping them share capabilities. SpaceNews.com
Thu, 19 Apr 2018 22:22:38 +0000
David Hartshorn, one of the satellite industry’s most vocal advocates and a prominent defender of its spectrum rights, is resigning from the Global VSAT Forum. SpaceNews.com
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  • CV: Post-doctoral Research Associate

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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:08-06-2011
     Last Modified:29-11-2011 (12:29)
    Job information
     Current job:Post-doctoral Research Associate
     Employment Term:Temp/Contract
     Job location:Anywhere
     Date available:
     Industry:Satellite Manufacturers and Subcontractors, Satellite Operators, ,
     Keywordsnonlinear methods, formation flying, orbit design
    CV

    Work Experience

    February 2010 -- present: post-doctoral research associate at the Asher Space Research Institute, Faculty of Aerospace Engineering, Technion -- Israel Institute of Technology, under the supervision of Professor Pini Gurfil.

    Mitigating the effects of zonal harmonics on the absolute and relative orbits of artificial satellites by using analytical and numerical techniques. Direct application: accurate initialization for cluster flying in order to achieve close proximity during long periods of time, without any control inputs.

    Developing a new model for numerical integration of the absolute orbits in the presence of perturbations in order to improve the accuracy and the speed of integration. Direct application: inertial orbit initialization and control.

    Developing new analytical models for station-keeping and formation-keeping. Direct application: reduced fuel consumption, lifetime extension.

    February 2004 -- January 2010: Technical University Gheorghe Asachi Iasi, Romania. Lecturer in the Department of Theoretical Mechanics.

    Besides teaching, I was carrying out research in fundamental Astrodynamics, nonlinear problems in Classical Mechanics (the Foucault Pendulum, Kepler problem in rotating reference frames, relative orbital motion), fundamental Rigid Body Kinematics (with the focus on attitude kinematics and mathematical models in robotics) and nonlinear differential equations in Applied Mathematics.

    September 1999 -- February 2004: Emil Racovita National College, Iasi, Romania. Lecturer in mathematics.

    Besides teaching, I was preparing the Romanian team for the International Olympiad of Mathematics and I was a committee member of the National Olympiad of Mathematics for the Iasi district.

    Education

    October 2006 -- January 2010: Ph.D. in Industrial Engineering, Technical University Gheorghe Asachi Iasi, Romania. Thesis title: Lagrangian and Hamiltonian Formulations in Relative Orbital Dynamics. Applications to Spacecraft Formation-Flying and Satellite Constellations. Advisor: Professor Alfred Braier.

    October 2005 -- June 2006: M.Sc. in Industrial Engineering, Technical University Gheorghe Asachi Iasi, Romania. Dissertation Title: Relative Orbital Motion in Keplerian Force Fields. Applications in Space Rendezvous Missions. Advisor: Professor Daniel Condurache.

    October 1995 -- June 1999: B.Sc. in Pure Mathematics, Alexandru Ioan Cuza University, Iasi, Romania. Dissertation title: Viability of Differential Inclusions. Advisor: Professor Ovidiu Carja.

    Professional Service & Membership

    Reviewer for Journal of Guidance, Control, and Dynamics, published by the American Institute of Aeronautics and Astronautics.

    Since 2008: member of the American Institute of Aeronautics and Astronautics (AIAA)

    Since 2001: member of the Romanian Mathematical Society (Societatea de Stiinte Matematice din Romania) (SSMR)

    Selected Refereed Journal Papers

     

     

  • Martinusi, V., Gurfil, P., Solutions and Periodicity of Satellite Relative Motion Under Even Zonal Harmonics PerturbationsCelestial Mechanics and Dynamical Astronomy, Vol. 111, No. 4, 2011, pp. 387-414.
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  • Condurache, D.; Martinusi, V., A Quaternionic Exact Solution to the Relative Orbital Motion Problem,AIAA Journal of Guidance, Control, and Dynamics, vol. 33, no.4, 2010, pp.1035-1047.
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  • Condurache, D., Martinusi, V., Hypercomplex Eccentric Anomaly in the Unified Solution to the Relative Orbital Motion, Advances in the Astronautical Sciences, Vol.135, 2010, pp. 281-300.
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  • Condurache, D., Martinusi, V., Exact Solution to the Relative Orbital Motion in Eccentric OrbitsSolar System ResearchVol. 43, Issue 1, 2009, pp.41-52 . (The Russian Version Title: ТОЧНОЕ РЕШЕНИЕ ЗАДАЧИ ОТНОСИТЕЛЬНОГО ОРБИТАЛЬНОГО ДВИЖЕНИЯ ПО ЭКСЦЕНТРИЧЕСКОЙ ОРБИТЕ ).
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  • Condurache D., Martinusi, V., Foucault Pendulum-like problems: A Tensorial ApproachInternational Journal of Non-linear Mechanics, vol. 43, issue 8, 2008, pp. 743-760.
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  • Condurache D., Martinusi, V., A Complete Closed Form Solution to the Kepler ProblemMeccanica, Vol. 42, no.5, 2007, pp. 465-476.
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  • Condurache D., Martinusi, V., Relative Spacecraft Motion in a Central Force Field, AIAA Journal of Guidance, Control, and Dynamics, vol.30, no.3, 2007, pp. 873-876.
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  • Condurache D., Martinusi, V., Kepler’s Problem in Rotating Reference Frames. Part I : Prime Integrals, Vectorial RegularizationAIAA Journal of Guidance, Control and Dynamics, Vol. 30, no.1, 2007, pp. 192-200.
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  • Condurache D., Martinusi, V., Kepler’s Problem in Rotating Reference Frames. Part II: Relative Orbital MotionAIAA Journal of Guidance, Control and Dynamics, Vol. 30, no.1, 2007, pp. 201-213.
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  • Condurache D., Martinusi, V., Vectorial Regularization and Temporal Means in Keplerian Motion,Journal of Nonlinear Mathematical Physics, Vol.13, No.3, 2006, pp.420-440.
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    Selected Refereed Conference Papers

     

     

  • Martinusi, V., Gurfil, P., Closed-Form Solutions for Open Orbits Around an Oblate Planet, accepted, AAS/AIAA Space Flight Mechanics Meeting, January 29 – February 2, 2012, Charleston, SC, USA.
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  • Martinusi, V., Gurfil, P., New Orbit Propagator for Motion Around an Oblate Planet, accepted, AAS/AIAA Space Flight Mechanics Meeting, January 29 – February 2, 2012, Charleston, SC, USA.
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  • Martinusi, V., Gurfil, P., Optimal Satellite Formation Establishment about an Oblate PlanetAIAA Guidance, Navigation, and Control Conference, 8 – 11 Aug 2011, Portland, Oregon, USA.
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  • Condurache, D., Martinusi, V., State Space Analysis for the Relative Spacecraft Motion in Geopotential FieldsAIAA Guidance, Navigation, and Control Conference, 8 – 11 Aug 2011, Portland, Oregon, USA.
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  • Martinusi, V, Gurfil, P., Closed-Form Solutions for Satellite Relative Motion in an Axially-Symmetric Gravitational FieldAAS/AIAA Spaceflight Mechanics Meeting, New Orleans, LA, USA, February 2011, Paper AAS 11-209
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  • Condurache, D., Martinusi, V., Super-integrability in the unperturbed relative orbital motion problem,  AIAA/AAS Astrodynamics Specialist Conference, Toronto, Canada, 2-5 August 2010.
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  • Condurache, D; Martinusi, V.,  Analytic Solution to the Relative Orbital Motion Around an Oblate Planet, AIAA Guidance, Navigation and Control Conference and Exhibit, Chicago, Illinois, 10-13 Aug. 2009 .
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  • Condurache, D; Martinusi, V., Hypercomplex Eccentric Anomaly in the Unified Solution to the Relative Orbital Motion, AAS/AIAA Astrodynamics Specialist Conference, Pittsburgh, Pennsylvania, 9-13 Aug. 2009 (paper AAS-09-321).
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  • Condurache, D.; Martinusi, V., Exact solution to the relative orbital motion in a central force fieldIEEE/AIAA 2nd International Symposium on Systems and Control in Aerospace and Astronautics, Shenzhen, China, 10-12 Dec. 2008, DOI: 10.1109/ISSCAA.2008.4776296.
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  • Condurache, D.; Martinusi, V., A Quaternionic Exact Solution to the Relative Orbital MotionAIAA/AAS Astrodynamics Specialist Conference and Exhibit, Honolulu, Hawaii, 18-21 Aug. 2008, AIAA Paper 2008-6764.
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  • Condurache, D., Martinusi, V., Exact Solution to the Relative Orbital Motion in Eccentric OrbitsInternational Conference “Analytical Methods of Celestial Mechanics”, Sankt-Petersburg, Russia, 2007.
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    Teaching Experience

    February 2004 -- January 2010:

    o        Lectures and tutorials in Theoretical Mechanics, at the Faculties of Electrical Engineering, Computer Engineering and Civil Engineering, at the Technical University Gheorghe Asachi Iasi, Romania.

    o        Lectures and tutorials in Fundamentals of Robotics, Faculty of Computer Engineering, Technical University "Gheorghe Asachi", Iasi, Romania.

    o        Lectures and tutorials in System Modelling and Simulation, Faculty of Electrical Engineering, Technical University "Gheorghe Asachi", Iasi, Romania.

    o        Lectures and tutorials in Simulation of Mechanical Systems, Faculty of Automatic Control and Computer Engineering, Technical University "Gheorghe Asachi", Iasi, Romania.

    o        Tutorials in Linear Algebra and Analytic Geometry, Faculty of Electrical Engineering, Technical University "Gheorghe Asachi", Iasi, Romania.

    September 1999 -- February 2004:

    o        Lectures in Mathematics, Emil Racovita National College, Iasi, Romania.

    Computer Skills

    Matlab, STK (Satellite ToolKit), Maple, Mathematica, Scilab.

    Language Skills

    English -- spoken (excellent), written (excellent), reading (excellent)

    French -- spoken (excellent), written (excellent), reading (excellent)

    Italian -- spoken (basic), written (basic), understanding (good)

    Hebrew -- basic conversational level

    Referees

    Professor Pini Gurfil, Technion -- Israel Institute of Technology.
    E-mail: pgurfil(at)technion.ac.il

    Professor Daniel Condurache, Technical University "Gheorghe Asachi", Iasi, Romania.
    E-mail: daniel.condurache(at)gmail.com

    Dr. Alexander Kogan, Technion -- Israel Institute of Technology.
    E-mail: akogan(at)tx.technion.ac.il


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