Latest Space News
Sun, 23 Sep 2018 15:10:09 +0000
With Congress set to approve a Federal Aviation Administration bill with some commercial space provisions, those in the industry are hoping for action on other bills before the end of this year. SpaceNews.com
Fri, 21 Sep 2018 10:37:57 +0000
NASA is planning two alternative reviews of an airborne observatory amid conflicting congressional views on whether the program will be eligible for the next senior review of astrophysics missions. SpaceNews.com
Thu, 20 Sep 2018 23:58:10 +0000
One thing a highball estimate does accomplish is “shift the debate to how expensive this is going to be." SpaceNews.com
Thu, 20 Sep 2018 22:06:46 +0000
NOAA awarded more than $8 million in contracts this week to three companies in the second round of a commercial satellite weather data pilot program. SpaceNews.com
Thu, 20 Sep 2018 21:00:48 +0000
European launch provider Arianespace signed a contract with the Korean Aerospace Research Institute for a Vega C mission Sept. 20, growing the rocket’s backlog to five as its debut launch nears. SpaceNews.com
Thu, 20 Sep 2018 18:19:43 +0000
Whoever signs up for one of two certification flights for the Omega rocket, will get a ride “at a reduced rate." SpaceNews.com
Thu, 20 Sep 2018 01:45:58 +0000
"It doesn't necessarily mean buying a company. It could be buying a product line. It could be buying a portion of a business that fits with us. We want to make sure that it's strategic." SpaceNews.com
Wed, 19 Sep 2018 23:51:28 +0000
Bezos: At a time of increasing global competition, “You have to be able to go to space more frequently, with less lead time." SpaceNews.com
Wed, 19 Sep 2018 23:32:28 +0000
Kleos Space, a company developing a constellation of satellites for radiofrequency geolocation work, will launch its first satellites in 2019 with Rocket Lab under a deal announced Sept. 19. SpaceNews.com
Wed, 19 Sep 2018 20:27:57 +0000
A Georgia county seeking to develop a spaceport has attracted a small launch vehicle company to set up operations and, hopefully, launch from there. SpaceNews.com
Wed, 19 Sep 2018 19:28:56 +0000
Shanahan on space reorganization: “We’re going to find the best way. There will be some hammering and arm wrestling. " SpaceNews.com
Wed, 19 Sep 2018 15:12:29 +0000
Gen. Jay Raymond: “There’s an explosion of things happening in the commercial industry. We want to capitalize on that." SpaceNews.com
Wed, 19 Sep 2018 08:17:39 +0000
Boeing and SpaceX, who have been struggling to meet safety thresholds established by NASA for commercial crew vehicles, now believe their vehicles can meet those requirements as they prepare for test flights scheduled in the next several months. SpaceNews.com
Wed, 19 Sep 2018 03:39:09 +0000
Orbital Insight, a Silicon Valley geospatial analytics company, announced the purchase Sept. 18 of FeatureX, a Boston-based artificial intelligence firm specializing in computer vision for satellite imagery. The terms of the purchase were not disclosed. SpaceNews.com
Wed, 19 Sep 2018 01:11:48 +0000
Wilson suggested her proposal is only the opening salvo. “I expect there will be a lot of discussion about how to implement the president’s vision.” SpaceNews.com
Tue, 18 Sep 2018 18:14:02 +0000
Melanie Stricklan, Slingshot Aerospace: “We see a big need for SSA solutions, not just in the military but also in academia and in satellite owners and operators." SpaceNews.com
Tue, 18 Sep 2018 18:01:02 +0000
Air Force Secretary Heather Wilson’s Space Force proposal dropped on the first day of the Air Force Association’s Air Space Cyber symposium, and it took the community by storm. SpaceNews.com
Tue, 18 Sep 2018 18:00:33 +0000
The Air Force’s advocacy group, the Air Force Association, is taking off the gloves and pointedly voicing opposition to separating space out of the Air Force. SpaceNews.com
Tue, 18 Sep 2018 17:12:29 +0000
Three months after its inaugural meeting, the advisory group supporting the National Space Council is working to organize itself and identify topics for study while preparing for its next full meeting. SpaceNews.com
Tue, 18 Sep 2018 07:40:17 +0000
AFA: "Standing up a separate space bureaucracy amplifies the problem by driving more money to a headquarters function, not space operations. " 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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