With many of our research and development projects, ASTER Labs, Inc. personnel have published various concepts and results.
These include several ground-breaking topics.


Below is a listing of many of our papers arranged by the year it was published.



2016


  1.   “Small Satellite Attitude Determination”, Demoz Gebre-Egziabher, Chuck S. Hisamoto, and Suneel I. Sheikh, Recent Advances on Multisensor Attitude Estimation: Fundamental Concepts and Applications, H. Fourati and D.E.C. Belkhiat (eds.), Boca Raton, CRC Press, 2016, pp. 427-444.


  1.   “Sensor for Small Satellite Relative PNT in Deep-Space”, Joseph Delange, Seth Frick, Joel Runnels, Demoz Gebre-Egziabher, and Kale P. Hedstrom, Proceedings of the IEEE/ION Position, Location, and Navigation Symposium (PLANS) 2016, Savannah, GA 11-14 April 2016.


  1.    “Advanced Spacecraft Navigation and Timing Using Celestial Gamma-Ray Sources”, Suneel I. Sheikh, Chuck S. Hisamoto, and Zaven Arzoumanian, GSC-16737-1 (Includes Technical Support Package), NASA Tech Briefs, Vol. 40, No. 2, February 2016.



2015


  1.    “Low Cost Sensing and Assessment of Grapevine Canopy Density for Improved Grape Production and Quality”, Tom Plocher, Chuck S. Hisamoto, and Kale P. Hedstrom, 2015 VitiNord Conference, Nebraska City, NE, 11-14 November 2015.


  1.    “Spacecraft Navigation Using Celestial Gamma-Ray Sources”, Chuck S. Hisamoto and Suneel I. Sheikh, Journal of Guidance, Control, and Dynamics, Vol. 38, Special Issue in Honor of Richard Battin, 2015, pp. 1765-1774, doi: 10.2514/1.G01008.


  1.   “Applications and Mission Scenarios of Pulsar Based Navigation”, Chuck S. Hisamoto and Suneel I. Sheikh, Proceedings of the 593rd Werner und Else Heraeus Seminar, Bad Honnef, Nordrhein-Westfalen, Germany, 8-11 June 2015.



2013


  1.    “The Development of a Simulator System and Hardware Test Bed for Deep Space X-ray Navigation”, Patrick T. Doyle, Master of Science Thesis, University of Minnesota, 2013.


  1.    “Spacecraft Navigation Using Celestial Gamma-Ray Sources”, Chuck S. Hisamoto and Suneel I. Sheikh, AAS Paper 13-144, Advances in the Astronautical Sciences, Proceedings of the 23rd Space Flight Mechanics Meeting, Kauai, HI, Vol. 148, 10-14 February 2013, pp. 3903-3922.


  1.    “X-ray Detection and Processing Models for Spacecraft Navigation and Timing”, Suneel I. Sheikh, John E. Hanson, and Paul Graven, GSC-16116-1, NASA Tech Briefs, February 2013, pp. 25-26.



2012


  1.    “Indoor Magnetic Navigation For The Blind”, Timothy H. Riehle, Shane M. Anderson, Patrick A. Lichter, Nicholas A. Giudice, Suneel I. Sheikh, Robert J. Knuesel, and Daniel T. Kollmann, 34th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC 12), IEEE, San Diego, CA, 28 August – 1 September 2012, pp. 1-4.


  1.    “The Use of Small X-ray Detectors For Deep Space Relative Navigation”, Patrick T. Doyle, Demoz Gebre-Egziabher, and Suneel I. Sheikh, Proceedings of the SPIE Nanophotonics and Macrophotonics for Space Environments VI, SPIE, San Diego, CA, Vol. 8519, 13-14 August 2012, pp. 1-12.



2011


  1.    “Pulsar Navigation”, Darryll J. Pines and Suneel I. Sheikh, McGraw-Hill Yearbook of Science & Technology 2011, McGraw-Hill, New York, 2011, pp. 265-268.


  1.   “Spacecraft Navigation and Timing Using X-ray Pulsars”, Suneel I. Sheikh, John E. Hanson, Paul H. Graven, and Darryll J. Pines, NAVIGATION Journal of The Institute of Navigation, Vol. 58, No. 2, 2011, pp. 165-186.


  1.    “Indoor Waypoint Navigation via Magnetic Anomalies”, Timothy H. Riehle, Shane M. Anderson, Patrick A. Lichter, John P. Condon, Suneel I. Sheikh, and Daniel S. Hedin, 33rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC 11), IEEE, Boston, MA, 30 August – 3 September 2011, pp. 1-4.


  1.    “X-ray Star Scanner for Spin-Stabilized Microsatellites”, John E. Hanson, Suneel I. Sheikh, and Paul H. Graven, ReSpace/MAPLD 2011 Conference, Albuquerque, NM, 22-25 August 2011.


  1.    “Innovative X-ray Star Scanner for Spin-Stabilized Microsatellites”, John E. Hanson, Suneel I. Sheikh, Paul H. Graven, and Frank LaRosa, 8th Annual Cubesat Workshop, Cal Poly Campus, San Luis Obispo, CA, 20-22 April 2011.



2010

  1.    “Development of a 3-D Personal Navigation System For First Responders Using Human Gait Characteristics”, Timofey Spiridonov, Suneel I. Sheikh, and Darryll J. Pines, 5th Annual Workshop on Precision Indoor Personnel Location and Tracking Technology for Emergency Responders, Worcester Polytechnic Institute, Worcester, MA, 2-3 August, 2010.


2009

  1.    “Deep Space Navigation Augmentation Using Variable Celestial X-ray Sources”, Suneel I. Sheikh, John E. Hanson, John Collins, and Paul Graven, Proceedings of the 2009 International Technical Meeting of The Institute of Navigation, Anaheim, CA, 26-28 January 2009, pp. 34-48.


2008


  1.    “Spacecraft Navigation Using X-ray Pulsars”, Paul H. Graven, John T. Collins, Suneel I. Sheikh, and John E. Hanson, 7th International ESA Conference on Guidance, Navigation, & Control Systems, GNC 2008, Tralee, Ireland, 2-5 June 2008.

  2.   “Noise Analysis for X-ray Navigation Systems”, John Hanson, Suneel Sheikh, John Collins, and Paul Graven, IEEE-ION Position Location and Navigation Symposium (PLANS) 2008, Monterey, CA, 5-8 May 2008.

  3.     XNAV for Deep Space Navigation”, Paul Graven, John Collins, Suneel Sheikh, John Hanson, Paul Ray, and Kent Wood, AAS Paper 08-054, American Astronautical Society 31st Annual Guidance and Control Conference, Breckenridge, CO, 1-6 February 2008.

  4.      Deep Space Navigation Using Celestial X-ray Sources”, Paul S. Ray, Suneel I. Sheikh, Paul H. Graven, Michael T. Wolff, Kent S. Wood, and Keith C. Gendreau, Proceedings of the 2008 National Technical Meeting of The Institute of Navigation, San Diego, CA, 28-30 January 2008.

  5.   “Gravity Gradiometer Aided Inertial Navigation within Non-GNSS Environments”, Justin Arthur Richeson, Ph.D. Dissertation, University of Maryland, 2008.



2007


•   “On Pulse Phase Estimation and Tracking of Variable Celestial X-Ray Sources”, A. Robert Golshan and Suneel I. Sheikh, Proceedings of the 63rd Annual Meeting of The Institute of Navigation, Cambridge, MA, 23-25 April 2007.


•   “XNAV Beyond the Moon”, Paul Graven, John Collins, Suneel Sheikh, and John E. Hanson, Proceedings of the 63rd Annual Meeting of The Institute of Navigation, Cambridge, MA, 23-25 April 2007.


•   “High-Order Pulsar Timing For Navigation”, Suneel I. Sheikh, Ronald W. Hellings, and Richard A. Matzner, Proceedings of the 63rd Annual Meeting of The Institute of Navigation, Cambridge, MA, 23-25 April 2007.


•   “Relative Navigation of Spacecraft Utilizing Bright, Aperiodic Celestial Sources”, Suneel I. Sheikh, Paul S. Ray, Kathryn Weiner, Michael T. Wolff, and Kent S. Wood, Proceedings of the 63rd Annual Meeting of The Institute of Navigation, Cambridge, MA, 23-25 April 2007.


•   “Absolute and Relative Position Determination Using Variable Celestial X-ray Sources”, Suneel I. Sheikh, A. Robert Golshan, and Darryll J. Pines, AAS Paper 07-103, American Astronautical Society 30th Annual Guidance and Control Conference, Breckenridge, CO, 3-7 February 2007.



2006


•   “Recursive Estimation of Spacecraft Position and Velocity Using X-Ray Pulsar Time of Arrival Measurements”, Suneel I. Sheikh and Darryll J. Pines, NAVIGATION Journal of The Institute of Navigation, Vol. 53, No. 3, 2006, pp. 149-166.

•   “Spacecraft Navigation Using X-ray Pulsars”, Sheikh, S. I., Pines, D. J., Wood, K. S., Ray, P. S., Lovellette, M. N., and Wolff, M. T., Journal of Guidance, Control, and Dynamics, Vol. 29, No. 1, Jan-Feb 2006, pp. 49-63.



2005


•   “The Use of Variable Celestial X-ray Sources for Spacecraft Navigation”, Suneel Ismail Sheikh, Ph.D. Dissertation, University of Maryland, 2005.


•   “Precision Pulsar Timing in X-rays: Application to Spacecraft Navigation”, Paul S. Ray, Kent S. Wood, Michael T. Wolff, Joseph W. Lazio, Deepto Chakrabarty, Saul A. Rappaport, Jacob M. Hartman, Suneel I. Sheikh, Pulsar Timing Array – A Nanohertz Gravitational Wave Telescope Workshop, Penn State University, 21-23 July 2005.


•   “Recursive Estimation of Spacecraft Position Using X-ray Pulsar Time of Arrival Measurements”, Suneel I. Sheikh and Darryll J. Pines, Proceedings of the 61st Annual Meeting of The Institute of Navigation, Cambridge, MA, 27-29 June 2005.



2004


•   The Use of X-ray Pulsars for Spacecraft Navigation”, Suneel I. Sheikh, Darryll J. Pines, Paul S. Ray, Kent S. Wood, Michael N. Lovellette, and Michael T. Wolff, AAS Paper 04-109, American Astronautical Society and American Institute of Aeronautics and Astronautics 14th Space Flight Mechanics Meeting, Maui, HI, 8-12 February 2004.



2000 - 2003


•    “Absolute Timing Calibration of the USA Experiment Using Pulsar Observations”, Ray, P.S., Wood, K.S., Wolff, M.T., Lovellette, M.N., Sheikh, S., Moon, D.-S., Eikenberry, S.S., Roberts, M., Lyne, A., Jordon, C., Bloom, E.D., Tournear, D., Saz Parkinson, P., Reilly, K., American Astronomical Society, HEAD Meeting #35, March, 2003.

•    “Absolute Timing of the Crab Pulsar: X-ray, Radio, and Optical Observations”, Ray, P.S., Wood, K.S., Wolff, M.T., Lovellette, M.N., Sheikh, S., Moon D.-S., Eikenberry, S.S., Roberts, M., Bloom, E.D., Tournear, D., Saz Parkinson, P., Reilly, K., American Astronomical Society Meeting 201, Seattle, WA, December 2002.



1990 - 1999


•    “GPS Attitude System Integrated with an Inertial System for Space Applications”, Hendrik C. Gelderloos, Suneel I. Sheikh, and Brian W. Schipper, Digital Avionics Systems Conference, 26-30 October 1997.

•    “GPS Attitude System Integrated with an Inertial System for Space Applications”, Hendrik C. Gelderloos, Suneel I. Sheikh, and Brian W. Schipper, AAS Paper AAS 97-001, American Astronautical Society Conference, Breckenridge, CO, January 1997.

•    “Trajectory Optimization for Hypersonic Aircraft Guidance”, R.L. Schultz, M.J. Hoffman, A.M. Case, and S.I. Sheikh, AGARD Air Vehicle Mission Control and Management Conference, AGARD Conference Proceedings No. 504, 22-25 October 1991.

•    “Navigation, Guidance, and Trajectory Optimization for Hypersonic Vehicles”, R.L. Schultz, M.J. Hoffman, A.M. Case, and S.I. Sheikh, AGARD Hypersonic Combined Cycle Propulsion Conference, AGARD Conference Proceedings No. 479, 28 May to 1 June 1990.


publications

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