Brij Agrawal
http://faculty.nps.edu/agrawal/

Distinguished Professor
Director, Adaptive Optics Center of Excellence for National Security
Director, Spacecraft Research and Design Center
Ph.D., Syracuse University, 1970

Papers | Thesis Supervision | Curriculum Vitae | Spacecraft Research and Design Center | Adaptive Optics Center of Excellence

JOURNALS AND REFEREED CONFERENCE PAPERS

Jae Jun Kim, Mark Mueller, and Brij Agrawal, "Impact of Large Field Angles on the Requirements for Deformable Mirror in Imaging Satellites", Acta Astronautica, Vol. 145, April 2018, pp 44-50.

https://calhoun.nps.edu/bitstream/handle/10945/57862/Impact_of_large_field_angles.pdf?sequence=1&isAllowed=y

 

Brij Agrawal and Jae Jun Kim, “Optical Beam Control for Jitter and Wavefront Aberrations”, 1st International Conference on Optics, Photonics and Lasers (OPAL 2018), 9-11 May 2018.

http://www.sensorsportal.com/DOWNLOADS/Proceedings_OPAL-18.pdf

Jae Jun Kim and Brij Agrawal, “Demonstration of Sparse Aperture Configuration for Imaging Satellites”, 68th International Astronautical Congress (IAC), IAC-17-C2.5.1.x37846, September 2017.

Brij Agrawal and Jae Jun Kim. “Dynamics and Control Challenges for Imaging Satellites”, Advances in the Astronautical Sciences, Vol. 161, Third IAA Conference on Dynamics and Control of Space Systems 2017, DyCoSS'2017. May 30 - June 1, 2017, Moscow, Russia.

 

Matthew R. Allen, Jae Jun Kim, and Brij N. Agrawal, "Correction of an active space telescope mirror using a deformable mirror in a woofer-tweeter configuration", Journal of Astronomical Telescopes, Instruments, and Systems, Vol. 2, issue 2, 029001 June 09, 2016.

https://www.spiedigitallibrary.org/journals/Journal_of_Astronomical_Telescopes_Instruments_and_Systems/volume-2/issue-2/029001/Correction-of-an-active-space-telescope-mirror-using-a-deformable/10.1117/1.JATIS.2.2.029001.full?SSO=1

 

Matthew R. Allen, Jae Jun Kim, and Brij Agrawal, “Correction of active space telescope mirror using a gradient approach and an additional deformable mirror, Proceedings of the SPIE, Volume 9602, ID 96020B, September 2015.

https://www.spiedigitallibrary.org/conference-proceedings-of-spie/9602/96020B/Correction-of-an-active-space-telescope-mirror-using-a-gradient/10.1117/12.2188745.full

J. Kim, M. Allen, and B. Agrawal, “Cost-effective Aperture with Deformable Mirror for Imaging Satellites”, Proceedings 66th International Astronautical Congress, Jerusalem, Israel, October 2015, IAC-15-C2.5.6.

 

M.  Allen, J. Kim, and B. Agrawal, “Correction of an active space telescope mirror using a gradient approach and an additional deformable mirror”, Proc. SPIE 9602, UV/Optical/IR Space Telescopes and Instruments: Innovative Technologies and Concepts VII, 96020B (September 22, 2015)

B. Agrawal, J. Kim, and M. Allen. "Cost-effective Large Apertures for Future Imaging Satellites", Proceedings AIAA SPACE 2015 Conference and Exposition, SPACE Conferences and Exposition, (AIAA 2015-4494), August 31, 2015.

https://arc.aiaa.org/doi/pdfplus/10.2514/6.2015-4494

B. Agrawal and J.  Kim, “Surface Control of Active Hybrid Space Mirrors”, Proceedings 65th International Astronautical Congress, Toronto, Canada, IAC-14,C2,5,2,x21485, 2014

https://www.researchgate.net/publication/266055549_Surface_control_of_actuated_hybrid_space_mirrors

 

J. Kim, J. Watson, J. Bagnasco, T. Martinez, B.  Fernandez, T. Axtell, C. Wilcox, and B. Agrawal, “Correction of Space Telescope Surface Figure Error Using a Deformable Mirror”, Proceedings for AIAA SPACE 2014, San Diego, CA, August 2014.

https://arc.aiaa.org/doi/pdfplus/10.2514/6.2014-4276

 

L. DeSandre, J. Kim, A. Jordan, T. Martinez, and B. Agrawal, “High Energy Laser Beam Control Research Testbed – Status and Capabilities”, DEPS Directed Energy Systems Symposium, Monterey, CA, 25-28 August, 2014.

D. Fried, J. Riker, and B. Agrawal, “Signal-To-Noise Ratio Limitations for ICI”,  Journal of the Optical Society for America, Vol. 31, No. 7, July 2014.

https://calhoun.nps.edu/bitstream/handle/10945/44137/Fried_Signal-to-noise.pdf;jsessionid=036BEEA56ACB69BC4A1E8C99B888E8CD?sequence=1

 

B. Agrawal, “Adaptive Optics Center of Excellence for National Security”, Proceedings for SPIE DSS, Baltimore, MD, 5-9 May 2014.

https://www.spiedigitallibrary.org/conference-proceedings-of-spie/9083/90830N/Adaptive-optics-center-of-excellence-for-national-security/10.1117/12.2050014.full

 

C. Seubert, D. Scharf, D. Redding, J. Hou, H. Chang, F. Hadaegh, P. Brugarolas, D. Morgan, and B. Agrawal, “Prospects of a Formation Flying, earth Imaging Optical Telecope in MEO”, IEEE Aerospace Conference, March 1-8, 2014, Big Sky, Montana.

 

A. Yingling and B. Agrawal, “Applications of Tuned Mass Dampers to Improve Performance of Large space Mirrors”, Acta Astronautica, Vol. 94, Issue 1, January –February 2014, Page 1-13.

https://www.sciencedirect.com/science/article/pii/S0094576513002932

 

B. Fernandez, T. Martinez, C. Wilcox, J. J. Kim, and B. Agrawal, “Adaptive Optics Testbed for Laboratory Simulation of Deep Atmospheric Turbulence”, DEPS Beam Control Conference, August 26-29, 2013.

J. J. Kim, T. Martinez, B. Fernandez, L. DeSandre, and B. Agrawal, “Naval Postgraduate School Beam Control Testbeds”, DEPS Beam Control Conference, August 26-29, 2013.

A. Rahmani, F. Hadaegh, and B. Agrawal, “Fuel Optimal in Orbit Position Assignment of Formation Flying Spacecraft”, 5th International Conference on Spacecraft Formation Flying Missions and Technologies, May 29-31, 2013, Munich, Germany.

E. Ahn, R. Longman, J. Kim, and B. Agrawal, “Evaluation of Five Control Algorithms for Addressing CMG Induced Jitter on a Spacecraft Testbed,” Advances in the Astronautical Sciences, Vol. 147, AAS 12-606, 2013.

 

M. Beerer, H. Yoon, and B. Agrawal, “Practical Adaptive Filter Controls for Precision Beam Pointing with Jitter Attenuation,” Elsevier Control Engineering Practice, Volume 21, Issue 1, January 2013, pages 123—133.

 

M. Nagashima and B. Agrawal, “Active Control of Adaptive Optics Systems in a Large Segmented Mirror Telescope, “ International Journal of Systems Sciences, ISSN 0020-7721, 2012, pp. 1-17.

https://calhoun.nps.edu/bitstream/handle/10945/34523/IJSS_SMT_control_NAGASHIMA_fin.pdf?sequence=1&isAllowed=y

 

A. Yingling and B. Agrawal. ”Applications of Tuned Mass Dampers to Improve Performance of  Large Space Mirrors,” Proceeding 63rd International Astronautical Congress, IAC-12.C2.5.4x13800, Naples, Italy, 1-5 October 2012.

M. Nagashima, J. Kim, and B. Agrawal, “Comparison of the Performance of Modal Control Schemes for an Adaptive Optics System and Analysis of the Effects of Actuator Limitations,” DEPS Beam Control Conference, Broomfield, Co, 2012.

https://calhoun.nps.edu/bitstream/handle/10945/34519/DEPS_BC_12-BC-011_paper.pdf?sequence=1&isAllowed=y

 

P. Jacquemin, B. Fernandez, T. Martinez, C. Wilcox, and B. Agrawal, “Deep Horizontasl Atmospheric Turbulence Modeling with a Liquid Crystal Spatial Light Modulator”, DEPS Beam Control Conference, Broomfield, CO, 2012.

https://calhoun.nps.edu/bitstream/handle/10945/34520/Final_TyModBF_ModDEPS_Paper_060712.pdf?sequence=1

T. Sands, J.J. Kim, and B.N. Agrawal, "Non-Redundant Single-Gimbaled Control Moment Gyroscopes," AIAA Journal of Guidance, Control, and Dynamics, Vol. 35, No. 2, March�April 2012. pp 578-587.

M. Nagashima, J.J. Kim, and B.N. Agrawal, "Comparison of the Performance of Modal Control Schemes for an Adaptive Optics System and Analysis of the Effect of Actuator Limitations," DEPS Beam Control Conference, Broomfield, CO, 2012.

P. B. Jacquemin, B. Fernandez, T. Martinez, C. Wilcox, and B.N. Agrawal, "Deep Horizontal Atmospheric Turbulence Modeling with a Liquid Crystal Spatial Light Modulator," DEPS Beam Control Conference, Broomfield, CO, 2012.

M. Nagashima and B.N. Agrawal, �Active Control of Adaptive Optics System in a Large Segmented Mirror Telescope,� Accepted for the International Journal of Systems Science, 2012.

J.J.
Kim, D. Burtz, and B.N. Agrawal, �Wavefront Correction of Optical Beam for Large Space Mirrors Using Robust Control Techniques,� Acta Astronautica, Volume 68, Issues 1-2, pp. 141-148, January-February 2011.

M.
Nagashima and B.N. Agrawal, �Application of Complex-Valued FXLMS Adaptive Filter to Fourier Basis Control of Adaptive Optics,� 2011 American Control Conference, San Francisco, CA, June 29, 2011-July 01, 2011. pp. 2939-2944.

J. Tappe, J.J. Kim, A. Jordan, and B.N. Agrawal, �Star Tracker Attitude Estimation for an Indoor Ground-Based Spacecraft Simulator,� AIAA Modeling and Simulation Technologies Conference, Portland OR, August 8-11, 2011.

A.
Yingling and B.N. Agrawal, �Applications of Active Optics in Large Space Mirrors,� Proceedings 62nd International Astronautical Congress, IAC-11-C2.5.1, Cape Town, South Africa, 3-7 October 2011.

J. J. Kim, M. Nagashima, and B.N. Agrawal, �Optical Beam Jitter Control for NPS HEL Beam Control Testbed,� 14th Annual Directed Energy Symposium, 14-18 November, 2011, San Diego 11-Symp-080.

 

R. Jay, K. Irgens, J. J. Kim, and B.N. Agrawal, �Strapdown Inertial Reference Unit for NPS Beam Control Testbed,� 14th Annual Directed Energy Symposium, 14-18 November, 2011, San Diego, 11-Symp-199.

 

M. S. Corley, F. Santiago, T. Martinez, and B.N. Agrawal, �Horizontal Propagation Deep Turbulence Testbed,� 14th Annual Directed Energy Symposium, 14-18 November, 2011, San Diego, 11-Symp-078.


I. Toselli, B.N. Agrawal, and S. Restaino, "Gaussian Beam Propagation in Maritime Atmospheric Turbulence: Long Term Beam Spread and Beam Wander Analysis," Proc. SPIE 7814, 78140R, 2010.

I. Toselli, B.N. Agrawal, and S. Restaino, �Light Propagation through Anisotropic Turbulence,� Journal of the Optical Society of America, Vol. 28, No. 3, pp. 483-488, Mar. 2011.

I.
Toselli, B.N. Agrawal, C. Wilcox, and S. Restaino. "Experimental Generation of non-Kolmogorov Turbulence using a Liquid Crystal Spatial Light Modulator," Proceedings of SPIE, Vol. 8161, No. 1, pp. 81610H-81610H, 9, Sep. 2011.

D.J.
Kim, J.J. Kim, D. Frist, and B.N. Agrawal, �High Energy Laser Testbed for Accurate Beam Pointing Control,� SPIE Photonics West, San Francisco, CA, January 23-28, 2010.

B.N
. Agrawal and J.J. Kim, �Surface Control of Actuated Hybrid Space Mirrors,� 61th International Astronautical Congress, Prague, Czech, September 27-October 1, 2010.

M.S. Corley, M. Nagashima, and B.N. Agrawal, �Beam Control and a new laboratory testbed for adaptive optics in a maritime environment,� 2010 IEEE Aerospace Conference, Big Sky, MT, 2010.

J.J. Kim and B.N. Agrawal, "Automatic Mass Balancing of Air-Bearing Based Three-Axis Rotational Spacecraft Simulator," AIAA Journal of Guidance, Control, and Dynamics, Vol. 32, No. 3, May-June 2009, pp. 1005-1017.

H. Yoon and B.N. Agrawal, "Novel Expressions of Equations of Relative Motion and Control in Keplerian Orbits," AIAA Journal of Guidance, Control, and Dynamics, Vol. 32, No. 2, March-April 2009, pp. 664-669.

M.J. Beerer, H. Yoon, and B.N. Agrawal, "Adaptive Filter Techniques for Optical Beam Jitter Control," SPIE: Acquisition, Tracking, Pointing, and Laser System Technologies XXIII, Orlando, FL, April 2009.

J.J. Kim, A.M. Johnson, and B.N. Agrawal, "Optical Beam Control for Imaging Spacecraft with Large Apertures," 59th International Astronautical Congress, Sept 29-Oct 3, Glasgow, Scotland, 2008.

B.N. Agrawal and T. Martinez, "Optical Beam Control Testbeds," AIAA Guidance, Navigation, and Control Conference, Aug 18-21, Honolulu, HI, 2008.

J.J. Kim and B.N. Agrawal, "Rest-to-Rest Slew Maneuver of Three-Axis Rotational Flexible Spacecraft," 17th IFAC World Congress, July 6-11, Seoul, Korea, 2008.

H. Yoon and B.N. Agrawal, "Adaptive Control of Uncertain Hamiltonian Multi-Input Multi-Output Systems: With Application to Spacecraft Control," American Control Conference, Seattle, WA June 11-13, 2008.

H. Yoon and B.N. Agrawal, "Adaptive Control of Uncertain Hamiltonian Multi-Input Multi-Output Systems: With Application to Spacecraft Control," IEEE Transactions on Control Systems Technology, accepted for publication.

H. Yoon, B. E. Bateman, and B.N. Agrawal, "Laser Beam Jitter Control Using Recursive Least Square Adaptive Filters," submitted to SPIE Optical Engineering.

M. Allen, J.J. Kim, and B.N. Agrawal, "Control of a Deformable Mirror Subject to Structural Disturbance," SPIE Defense and Security Symposium, Orlando, Florida, March 16-20, 2008.

H. Yoon, B.E. Bateman, and B.N. Agrawal, "Laser Beam Jitter Control Using Recursive-Least-Square Adaptive Filters," 2008 Directed Energy Professional Society Beam Control Conference, Monterey, CA, March 3-7, 2008.

T. Sands, J.J. Kim, and B.N. Agrawal, "Spacecraft Fine Tracking Pointing Using Adaptive Control," 58th International Astronautical Congress, Hyderabad, India, September 24-28, 2007.

R. Watkins and B.N. Agrawal, "Use of Least Means Squares Filter in the Control of Optical Beam Jitter," AIAA Journal of Guidance, Control, and Dynamics, Vol. 30, No.4, July-August 2007, pp. 1116-1122.

J.J Kim, T. Sands, and B.N. Agrawal, "Acquisition, Tracking and Pointing Technology Development for Bifocal Relay Mirror Spacecraft," 2007 SPIE Acquisition, Tracking, Pointing and Laser Systems Technologies XXI, Defense & Security Symposium, Orlando, Florida, April 9-13, 2007.

T. Sands, J.J. Kim, and B.N. Agrawal, "2H Singularity-Free Momentum Generation with Non-Redundant Single Gimbaled Control Moment Gyroscopes," 45th IEEE Conference on Decision and Control, San Diego, CA, December 2006.

J.J. Kim and B.N. Agrawal, "System Identification and Automatic Mass Balancing of Ground-Based Three-Axis Spacecraft Simulator," AIAA Guidance, Navigation and Control Conference, Keystone, CO, August 2006.

J.J. Kim and B.N. Agrawal, "Experiments on Jerk-Limited Slew Maneuvers of a Flexible Spacecraft," AIAA Guidance, Navigation, and Control Conference and Exhibit, August 21-24, Keystone, CO, 2006.

J. Lau, S. Joshi, B.N. Agrawal, and J.J. Kim, "Investigation of Periodic Disturbance Identification and Rejection in Spacecraft," AIAA Journal of Guidance, Control, and Dynamics, Vol. 29, No.4, July-August 2006, pp.792-798.

J.J. Kim and B.N. Agrawal, "Acquisition, Tracking, and Pointing of Bifocal Relay Mirror Spacecraft," Proceedings of Beam Control Conference, Directed Energy Professional Society, Monterey, CA, March 21-24, 2006.

S. Sugathevan and B.N. Agrawal, "Optical Laser Pointing and Jitter Suppression using Adaptive and Feedback Control Methods," Proceedings of Beam Control Conference, Directed Energy Professional Society, Monterey, CA, March 21-24, 2006.

S. Sugathevan and B.N. Agrawal, "Broadband Optical Jitter Attenuation using State and Disturbance Feedback," IEEE Transactions on Control System Technology, 2006.

B.N. Agrawal, "Applications of MEMS Technologies for Nanosatellites," Proceedings of 13th International Workshop on Physics of Semiconductor Devices, Delhi, India, December 13-17, 2005.

B.N. Agrawal, "Active Vibration Control of Spacecraft Optical Payloads," Proceedings of 12th International Congress on Sound and Vibration, Lisbon, Portugal, July 10-15, 2005.

B.N. Agrawal, "Spacecraft Design Program at the Naval Postgraduate School," Proceedings of 2005 Annual Conference & Exposition, American Society for Engineering Education, Portland, OR, June 12-15, 2005.

J. Lau, S. Joshi, B.N. Agrawal, and J.J. Kim ,"Disturbance Filtering and Identification on the Naval Postgraduate School 3-Axis Spacecraft Simulator," Proceedings of AIAA Guidance, Navigation, and Control Conference, San Francisco, CA, August 2005.

B.N. Agrawal and H. Chen, "Algorithms for Active Vibration Isolation on Spacecraft," Journal of Smart Materials and Structures," Vol. 13, 2004, pp. 873-880.

M. Romano, B Agrawal, "Attitude Dynamics/Control of Dual-Body Spacecraft with Variable-Speed Control Moment Gyros," AIAA Journal of Guidance, Control, and Dynamics, Vol. 27, No. 4, 2004,  pp. 513-525.

B.N. Agrawal, J.-W. Kim, and M. Romano, "Attitude Control and Determination of the NPS Bifocal Mirror Testbed," 55th International Astronautical Conference, Vancouver, Canada, October, 2004, IAC paper 04-A.4.09.

J.-W. Kim, R. Cristi, and B.N. Agrawal, "Attitude Determination for NPS Three-Axis Spacecraft Simulator," AIAA/AAS Astrodynamics Specialist Conference and Exhibit, Providence, RI, August, 2004.

M. Romano and B.N. Agrawal, "Attitude Dynamics and Control of a Dual-Body Spacecraft using Variable-Speed Control Moment Gyros, Dynamics and Control of System and Structure in Space," Riomaggiore, Italy, July 2004.

R.J. Watkins, B.N. Agrawal, Y.S. Shin, and C. Chen, "Jitter Control of Space and Airborne Laser Beams," 22nd AIAA International Communications Satellite Systems Conference, Monterey, CA, 9-12 May, 2004.

H. Chen, E. Hospodar Jr., and B.N. Agrawal, "Development of a Hexapod Laser�based Metrology Systems for a Finer Optical Beam Control," AIAA International Communications Satellite Systems Conference, Monterey, CA, 9-12 May, 2004.

R.J. Watkins, H.J. Chen, B.N. Agrawal, and Y.S. Shin, "Optical Beam Jitter Control," Proceedings of the SPIE Conference on Lasers and Application in Science and Technology, SPIE paper 5338-204, January 2004.

M. Romano and B.N. Agrawal, "Acquisition, Tracking and Pointing Control of the Bifocal Relay Mirror Spacecraft," Acta Astronautica, Vol. 53, No.4, 2003, pp. 509-519.

B.N. Agrawal, M. Romano, and T. Martinez, "Three Axis Attitude Control Simulators for Bifocal Relay Mirror Spacecraft," AAS 03-268, Advances in the Astronautical Sciences, Vol.115, 2003.

M. Romano and B.N. Agrawal, "Use of variable Speed Control Moment Gyros for a Fine Pointing Dual-Line-of-Sight-Spacecraft," AAS 03-041, Advances in the Astronautical Sciences, Vol.113, 2003.

B.N. Agrawal and S. Tomlin, "Applications of Nanosatellite Formation Constellations," Proceedings of 12th International Workshop on Physics of Semiconductor Devices, Chennai, India, December 16-20, 2003.

H. Chen, R. Bishop, and B.N. Agrawal, "Payload Pointing and Active Vibration Isolation Using a Hexapod," AAS/AIAA Astrodynamics Specialist Conference, Big Sky, MT, August 3-7, 2003.

B.N. Agrawal, M. Romano, and T. Martinez, "Three-Axis Attitude Simulators for Bifocal Relay Mirror Spacecraft,"  Paper AAS 03-268,  John L. Junkins Astrodynamics Symposium, College Station, TX, 23-24 May 2003.

H. Chen, R. Bishop, and B.N. Agrawal, "Payload Pointing and Active Vibration Isolation Using Hexapod Platforms," 44th AIAA/ASME/ASCE/AHS Structures, Structural Dynamics, and Materials Conference, Norfolk, VA, 7-10 April, 2003.

B.N. Agrawal, "Acquisition, Tracking, and Pointing of Bifocal Relay Spacecraft," 13th AAS/AIAA Space Flight Mechanics Meeting, Ponce, Puerto Rico, February 9-12, 2003.

M. Romano and B.N. Agrawal, "Studies on the Use of Variable Speed Control Moment Gyros for a Fine Pointing Dual-Line-of-Sight-Spacecraft," 2003 AAS Guidance Control Conference, Breckenridge, CO, February 2003.

M. Romano and  B.N. Agrawal, "Evaluation of a Gyroless Spacecraft Attitude Estimation and Control Concept by Numerical Simulation and Ground Based Experimentation," 5th International ESA Conference on Guidance Navigation and Control Systems, Frascati, Italy, October 2002.

M. Romano and B.N. Agrawal, "Acquisition, Tracking and Pointing Control of the Bifocal Relay Mirror Spacecraft," IAC-02-A.4.05, 53rd International Astronautical Congress, Houston, TX, October 2002.

M. Spencer, V. Chernesky, J. Baker, and M. Romano, "Bifocal Relay Mirror Experiments on the NPS Three Axis Spacecraft Simulator," AIAA Guidance, Navigation and Control Conference, Monterey, CA, August-2002.

M. Romano and  B.N. Agrawal, "Tracking and Pointing of Target by a Bifocal Relay Mirror Spacecraft Using Attitude Control and Fast Steering Mirrors Tilting," AIAA Guidance, Navigation and Control Conference, Monterey, CA, August 2002.

H. Chen and B.N. Agrawal, "Method of Slewing the Spacecraft to Minimize Settling Time," AIAA Guidance, Navigation, and Control Conference and Exhibition, Monterey, CA, August 5-8, 2002.

M. Romano, B.N. Agrawal, F. Bernelli-Zazzera, "Experiments on Command Shaping Control of a Manipulator with Flexible Links," AIAA Journal of Guidance, Control, and Dynamics, Vol. 25, No. 2, March-April 2002, pp. 232-239.

B.N. Agrawal and W. Palermo, "Angular Rate Estimation for Gyroless Satellite Attitude Control," AIAA Guidance, Navigation, and Control Conference and Exhibit, Monterey, CA, August 2002.

M. Spencer, B.N. Agrawal, M. Romano, R. Brunson, D. Dillow, and S. Restaino, "Acquisition, Tracking, Pointing, and Line-of-Sight Control Laboratory Experiments for a Space-Based Bifocal Relay Mirror," SPIE's 16th Annual International Symposium on Aerospace Sensing, Simulation and Controls, Orlando, FL, April 2002.

G. Song, S. Schmidt, and B.N. Agrawal, �Experimental Robustness Study of Positive Position Feedback Control for Active Vibration Suppression,� Journal of Guidance, Control, and Dynamics, Vol. 25, No. 1, January-February 2002, pp. 179-182.

B.N. Agrawal and S. Okano, "Microelectromechanical Systems for Space Applications," Proceedings of the 11th International Workshop on Physics of Semiconductor Devices, New Delhi, India, December 11-15, 2001.

G. Song, J. Vlattas, S. Johnson, and B.N. Agrawal, "Active Vibration Control of a Space Truss Using a Lead Zicornate Titanate Stack Actuator," Proc. Institute of Mechanical Engineers, Vol.  215, Part G, 2001.

H. Chen, B.N. Agrawal, and R. Longman, "Approaches to Matched Basis Function Repetitive Control," AAS-01-369, AAS/AIAA Astrodynamics Specialist Conference, July 30-August 2, 2001, Quebec City, Canada.

B.N. Agrawal and C. Senenko, "Attitude Dynamics and Control of Bifocal Relay Mirror Spacecraft," AAS 01-418, AAS/AIAA Astrodynamics Specialist Conference, July 30-August 2, 2001, Quebec City, Canada.

R. Kolar, C. Whittinghill, and B.N. Agrawal, "Numerical Simulation of Inflatable Membrane Structures," Proceedings of SPIE: Smart Structures and Materials, Newport, CA, March 2001.

B.N. Agrawal and R.E. Rasmussen, "Air Bearing Based Satellite Attitude Dynamics Simulator for Control Software Research and Development," Proceeding of SPIE: Technologies for Synthetic Environments: Hardware-in-the-Loop Testing VI, Orlando, FL, April 2001.

H. Chen, B.N. Agrawal, R. Longman, M. Phan, and S. Edwards, "Rejection of  Multiple Unrelated Periodic Disturbances Using MELMS with Disturbance Identification," AAS/AIAA Space Flight Mechanics Meeting, February 11-15, 2001, Santa Barbara, CA.

C. Tarantini, B.N. Agrawal, and R. Cristi, "An Efficient Algorithm for Vibration Suppression to Meet Pointing Requirements During Attitude Control," AIAA Guidance, Navigation and Control Conference and Exhibit, 6-9 August, 2001, Montreal, Canada.

G. Song and B.N. Agrawal, "Vibration Suppression of Flexible Spacecraft During Attitude Control," Acta Astronautica Vol. 49, No. 2, 2001, pp. 73-83.

G. Song, S.P. Schmidt, and B.N. Agrawal, "Active Vibration Suppression of a Flexible Structure Using Smart Material and a Modular Control Patch," Proceeding of Institution of Mechanical Engineers, Vol. 214, Part G, 2000, pp 217-229.

B.N. Agrawal and H.J. Chen, "Active Vibration Isolation on Spacecraft Using Smart Struts," IAF-00.I.4.05 51 International Astronautical Congress, 2-6 Oct 2000/Rio de Janeiro, Brazil.

C. Tillier and B.N. Agrawal, "Yaw Steering for LEO Satellite Using any two of Three Reaction Wheels," IAF-00-A.2.01, 51st International Astronautical Congress, 2-6 Oct 2000, Rio de Janeiro, Brazil.

F. Bernelli-Zazzera, M. Romano, and B.N. Agrawal, "Experiments on Tracking Control of a Flexible Space Manipulators," IAF-00-A.3.05, International Astronautical Congress, 2-6 Oct 2000/Rio Janeiro, Brazil.

G. Song, B. Kelly, and B.N. Agrawal, "Active Position Control of a Shape Memory Alloy Wire Actuated Composite Beam," Journal of Smart Materials and Structures, Vol. 9, 2000, pp. 711-716.

S.G. Edwards, B.N. Agrawal, M. Phan, and R. Longman, "Disturbance Identification and Rejection Experiments on an Ultra Quiet Platform," Paper AAS 99-342, Proceedings of AAS/AIAA Astrodynamics Specialist Conference, Girdwood, Alaska, August 16-19, 1999.

G. Song, B. Kelly, and B.N. Agrawal, "Active Position Control of a Shape Memory Alloy Wire Actuated Beam," Proceeding of  SPIE Conference on Mathematics and Control in Smart Structures, Newport Beach, California, March 1999, pp. 755-766.

G. Song and B.N. Agrawal, "Vibration Reduction for Flexible Spacecraft Attitude Control Using PWPF Modulator and Smart Structures," Proceedings of IEEE Aerospace Conference, Snowmass, CO, March 1999.

G. Song, N. Buck, and B.N. Agrawal, "Spacecraft Vibration Reduction Using Pulse-Width Pulse-Frequency Modulated Input Shaper," AIAA Journal of Guidance, Control, and Dynamics, Vol. 22, No. 3, 1999, pp. 433-444.

G. Song, J. Vlattas, S. Johnson, and B.N. Agrawal, "Active Vibration Control of A Space Truss Using PZT Stack Actuator," ASME International Mechanical Engineering Congress & Exposition, Nashville, Tennessee, 1999.

B.N. Agrawal and K. Treanor, "Shape Control of a Beam using Piezoelectric Actuators," The Journal of Smart Materials & Structures, Vol. 8, 1999, pp. 729-740.

G. E. Yale and B.N. Agrawal, "Lyapunov Controller for Cooperative Space Manipulators," AIAA Journal of Guidance, Control, and Dynamics, Vol. 21, No. 3, May-June, 1998, pp. 477-484.

J. Meyer, W. Harrington, B.N. Agrawal, and G. Song, "Vibration Suppression of a Spacecraft Flexible Appendages Using Smart Materials," Journal of Smart Materials and Structures, Vol. 7, 1998, pp 95-104.

J. Gleave and B.N. Agrawal, "Vibration Suppression: Reduced-Order Model/Residual Mode Filter Control Using Smart Structures," IEEE proceedings: Aerospace Conference,  Snowmass, CO, March 1998.

G. Song, S.P. Schmidt, and B.N. Agrawal, "Experimental Study of Active Vibration Suppression of Flexible Structure using Modular Control Patch," IEEE proceedings: Aerospace Conference, Snowmass, CO, March 1998.

B.N. Agrawal, M.A. Elshafei, and G. Song, "Adaptive Antenna Shape Control Using Piezoelectric Actuators," Acta Astronautics Journal, Vol. 40, No. 11, pp. 821-826, 1997.

B.N. Agrawal, R. McClelland, and G. Song, "Attitude Control of Flexible Spacecraft Using Pulse-Width Pulse Frequency Modulated Thrusters," Journal of Industrial and Commercial Application in Space, Vol. 17, No. 1, pp.15-34, 1997.

G. Song, N. Buck, and B.N. Agrawal, "Spacecraft Vibration Using Pulse-Width Pulse-Frequency Modulated Input Shaper," AIAA Guidance, Navigation, and Control Conference, New Orleans, LA, August 11-13, 1997.

B.N. Agrawal, G. Song, and N. Buck, "Slew Maneuvers of Flexible Spacecraft Using Input Shaping and Pulse-Width Pulse-Frequency Modulated Thrusters," IAF-97-A.2.09, 48th International Astronautical Congress, Turin, Italy, October 6-10, 1997.

B.N. Agrawal and K. Treanor, "Optimal Placement of Piezoceramic Actuators for Shape Control of a Beam," IAF-97-I.602, 48th International Astronautical Congress, Turin, Italy, October 6-10, 1997.

B.N. Agrawal and M.A. Elshafei, "Shape Control of Composite Material Plates using Piezoelectric Actuators," Vol. 3241, Proceedings of Far East and Pacific Rim Symposium on Smart Materials, Structures, and MEMS, Adelaide, Australia, 10-13 December 1997.

B.N. Agrawal and H. Bang, "Adaptive Structures for Large Precision Antennas," Acta Astronautica, Vol. 38, No. 3, 1996, pp. 175-183.

B.N. Agrawal, "Spacecraft Vibration Suppression Using Smart Structures," Proceedings of 4th International Congress on Sound and Vibration, pp. 563-570, June 24-27, 1996.

J.L. Meyer, W.B. Harrington, B.N. Agrawal, and G. Song, "Application of Piezoceramic to Vibration Suppression of a Spacecraft Flexible Appendage," AIAA 96-3761, AIAA Guidance Navigation and Control Conference, San Diego, California, July 29-31, 1996.

B.N. Agrawal, M.A. Elshafei, and G. Song, "Adaptive Antenna Shape Control Using Piezoelectric Actuators," IAF 96-I.4.02, 47th International Astronautical Congress, Beijing, China, October 7-11, 1996.

B.N. Agrawal, R. McClelland, and G. Song, "Attitude Control of Flexible Spacecraft Using Pulse-Width Pulse Frequency Modulated Thrusters," IAF 96-A.6.07.

H. Bang and B.N. Agrawal, "A Lyapunov Control For Flexible Spacecraft Maneuvers Using Constraint Dynamics," IAF-95-A.7.07, 46th International Astronautical Congress, October 2-6, 1995, OSLO, Norway.

W. Harrington and B.N. Agrawal, "The Applications of Smart Structures for Vibration Suppression in Spacecraft," AIAA 1995 Space Program and Technology Conference, September 26-28, 1995, Huntsville, AL.

H. Bang and B.N. Agrawal, "Active Vibration of a Deployable Appendage Using Piezoceramic Sensors and Actuators," AAS 95-321, AAS/AIAA Aerodynamics Specialist Conference, Halifax, Nova Scotia, Canada, August 14-17, 1995.

B.N. Agrawal  and R. Strong, "Vibration Suppression of Spacecraft Structures Using H-Infinity Optimized Wave Absorbing Control," Presented at Tenth VPI&SU Symposium on Structural Dynamics and Control, Blacksburg, VA, May 8-10, 1995.

B.N. Agrawal and H. Bang, "Robust Closed-Loop Control Design for Spacecraft Slew Maneuver Using Thrusters," Journal of Guidance, Control, and Dynamics, Vol. 18, No. 6, pp 1336-1344, 1995.

G. Janiver IV and B.N. Agrawal, "Adaptive Control for a Space Robotic Manipulator," 45th Congress of the International Astronautical Federation, October 9-14, 1994, Jerusalem, Israel.

B.N. Agrawal and H. Bang, "Adaptive Structures for Large Precision Antennas," IF-94-I.4.202, 45th Congress of the International Astronautical Federation, October 9-14, 1994, Jerusalem, Israel.

H. Bang and B.N. Agrawal, "Application of Constraint Dynamics for Spacecraft Maneuver," AIAA Guidance, Navigation and Control Conference, August 1-3, 1994, Scottsdale, AZ.

G. Yale and B.N. Agrawal, "Cooperative Control of Multiple Space Manipulators," AIAA Guidance, Navigation and Control Conference, August 1-3, 1994, Scottsdale, AZ.

M. Feuerstein and B.N. Agrawal, "Topaz II Nuclear Powered SAR Satellite," AIAA 94-4688, AIAA Space Programs and Technologies Conference, September 27-29, 1994, Huntsville, Alabama.

H. Bang and B.N. Agrawal, "A Generalized Second Order Compensator Design for Vibration Control of Flexible Structures," Proceedings of 35th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Hilton Head, South Carolina, April 18-20, 1994.

G. E. Yale and B.N. Agrawal, "Cooperative Control of Multiple Space Manipulators," IAF-93-A.4.3.1, 44th Congress of the International Astronautical Federation, October 16-22, 1993, Gratz, Austria.

B.N. Agrawal and H. Bang, "Active Vibration Control of Flexible Space Structures by Using Piezoelectric Sensors and Actuators," Proceedings of 14th Biennial Conference on Mechanical Vibration and Noise, Albuquerque, NM, September, 19-22, 1993, pp. 169-179.

B.N. Agrawal, "Dynamic Characteristics of Liquid Motion in Partially Filled Tanks of a Spinning Spacecraft," AIAA Journal of Guidance, Control, and Dynamics, Vol. 16, No. 4, July-August, 1993, pp. 636-640.

B.N. Agrawal and H. Bang, "Slew Maneuver of a Flexible Spacecraft Using On-Off Thrusters," AIAA Guidance, Navigation, and Control Conference, Monterey, California, August 9-11, 1993, pp. 224-233.

B.N. Agrawal, "High Latitude Communications Satellite," Navy Engineer Journal, July 1993.

B.N. Agrawal, "Near-Earth Asteroid Rendezvous," Proceedings of 9th Annual Summer Conference of the USRA Advanced Design Program, Houston, TX, June 14-17, 1993.

B.N. Agrawal, "NPS Alternate Techsat Satellite," Proceedings of 9th Annual Summer Conference of the USRA Advanced Design Program, Houston, TX, June 14-17, 1993.

B.N. Agrawal, "Attitude Control of Flexible Spacecraft," Proceedings of International Symposium on Advances in Aerospace Sciences and Engineering, Bangalore, India, December 12-15, 1992.

B.N. Agrawal, H. Bang, and E. Jones, "Application of Piezoelectric Actuators & Sensors in the Vibration Control of Flexible Spacecraft Structures," IAF-92-0319, World Space Congress, D.C., August 28-September 5, 1992.

B.N. Agrawal and J. Hailey, "Optimal Slew Maneuver of a Flexible Spacecraft-Analytical and Experimental Results," IAF-92-0024, World Space Congress, Washington, D.C., August 28-September 5, 1992.

J. Hailey, C. Sortun, and B.N. Agrawal, "Experimental Verification of Attitude Control Techniques for Slew Maneuvers of Flexible Spacecraft," AIAA Guidance, Navigation, and Control Conference, Hilton Head, SC, August 10-12, 1992.

B.N. Agrawal, "Design of Multi-Mission Spacecraft Bus," AIAA Aerospace Design Conference, Irvine, CA, February 3-6, 1992.

B.N. Agrawal and R. J. Watkins, "Experimental Verification of Attitude Control Techniques for Flexible Spacecraft," IAF-91-354, 42nd International Astronautical Congress, Montreal, Canada, October 7-11, 1991.

D. Sakoda and B.Agrawal, "Multi-Purpose Satellite Bus," Proceedings of 5th Annual AIAA/USU Conference on Small Satellites, Utah State University, LOGAN, UT, August 26-29, 1991.

B.N. Agrawal and R. Gran, "Attitude Control of Flexible Communications Satellites," AIAA Paper No. 91-2651, Proceedings of AIAA Guidance, Navigation and Control Conference, New Orleans, Louisiana, August 12-14, 1991.

B.N. Agrawal and R. J. Watkins Jr., "Experimental Simulation of Attitude Control of Flexible Spacecraft," Proceedings of Eight VPI & SU Symposium on Dynamics and Control of Large Structures, Blacksburg, VA, May  6-8, 1991.

B.N. Agrawal, "Energy-Sink Analysis for Flexible Asymmetric Dual-Spin Spacecraft," IAF-90-320, presented at 41st Congress of the International Astronautical Federation, Dresden, Germany, October 6-12, 1990.

B.N. Agrawal, "High Latitude Communications Satellite," Proceedings of 4th Annual AIAA/Utah State University Conference on Small Satellites, Logan, UT, August 27-30, 1990.

B.N. Agrawal, "Attitude Stability of Asymmetric Dual-Spin Spacecraft with Large Liquid Fraction," Proceedings of AIAA Guidance, Navigation, and Control Conference, Portland, OR, August 20-22, 1990.

A.  Sinha, B.N. Agrawal, and W. Wu, "Trend in Satellite Communications Technology, Techniques and Applications," International Journal of Satellite Communications, Vol. 8, Aug-Sept. 1990.

B.N. Agrawal, "Dynamic Characteristics of Liquid Motion in Partially Filled Tanks of Spinning Spacecraft," Proceedings of 31st AIAA/ASME/ASCE/AHS/AHC Structures, Structural Dynamics and Materials Conference, Long Beach, California, April 5-6, 1990.

C. Khyam, R. Lauerson, and B.N. Agrawal, "Further Developments and Evaluation of a Simpler Approach to Update Spacecraft Launch Loads," 1989 ASME Winter Annual Meeting, December 1989, Paper No. B-1285.

B.N. Agrawal, "Effects of Flexibility on the Attitude Stability of Spinning Spacecraft," Proceedings of 12th ASME Biennial Conference on Mechanical Vibration and Noise, Vol. No. H0508A, Montreal, September 17-21, 1989.

B.N. Agrawal, "Analytical Prediction of Nutation Time Constant for Spinning Spacecraft with Partially Filled Tanks," Proceedings of Seventh VPI and SU/AIAA Symposium on Dynamics and Control of Flexible Large Structures, Blacksburg, Virginia, May 8-10, 1989.

B.N. Agrawal, "Advances in Design and Testing of Spacecraft Structures," Proceedings of International Conference on Spacecraft Structures and Mechanical Testing, ESTEC, October 19-21, 1988.

K. Tsuchiya, K. Yamada, B.N. Agrawal, "Attitude Stability of a Flexible Asymmetric Dual-Spin Spacecraft," presented at IUTAM/IFAC Symposium on Dynamics of Controlled Mechanical Systems, Zurich, Switzerland, June, 1988.

S. K. Singh, R. Gran, and B.N. Agrawal, "Comparison of Different Attitude Control Schemes for Large Communications Satellites," AIAA Guidance, Navigation and Control Conference, Monterey, California, August 1987.

B.N. Agrawal, "Interaction Between Propellant Dynamics and Attitude Control in Spinning Spacecraft," Proceedings of AIAA Dynamics Specialist Conference, Monterey, California, April 1987.

T. Rush, P. R. Schrantz, and B.N. Agrawal, "Analysis of INTELSAT V Flight Data," Proceedings of AIAA Dynamics Specialists Conference, Monterey, California, April 1987.

B.N. Agrawal, "The Dynamic Behaviors of Liquids in Spinning Spacecraft," Proceedings of 15th International Symposium on Space Technology and Science, Tokyo, May 1986.

M. L. Soni and B.N. Agrawal, "Damping Synthesis of Flexible Space Structures Using Combined Experimental and Analytical Models," Proceedings of AIAA/ ASME/ ASCE/ AHS 26th Structures, Structural Dynamics and Materials Conference, AIAA Paper No. 85-0779, April 1985.

B.N. Agrawal and P. Grosserode, and J. Dow, "A Simpler Approach to Update Spacecraft Launch Loads," Proceedings of AIAA/ASME/ASCE/AHS 26th Structures, Structural Dynamics and Material Conference, AIAA Paper No.85-0735, April, 1985.

B.N. Agrawal, "Attitude Stability of Flexible Asymmetric Dual-Spin Spacecraft," Proceedings of AIAA Guidance and Control Conference, August 1983.

B.N. Agrawal and R.M. Evan-Iwanowski, "Nonstationary Resonance Oscillation," The Shock and Vibration Digest, Vol. 15, No. 7, July 1983.

B.N. Agrawal, "Stability of Spinning Spacecraft with Partially Liquid Filled Tanks," Journal of Guidance, Control and Dynamics, Vol. 5, No. 4, July-August, 1982, pp. 344-350.

B.N. Agrawal, "Energy Dissipation Due to Liquid Slosh in Spinning Spacecraft," Proceedings of the 3rd VPI and SU/AIAA Symposium on Dynamics and Control of Large Flexible Spacecraft, July 1981.

B.N. Agrawal and C. Reiger, "Application of Advance Materials for Future Communications Satellites," Journal of British Interplanetary Society, October, 1977.

B.N. Agrawal, "Mode Synthesis Techniques for Dynamics Analysis of Structures," Journal of the Acoustical Society of America, Vol. 59, No. 6, June 1976, pp. 1329-1338.

B.N. Agrawal, "Effects of Flexibility in an Asymmetric Dual-Spin Spacecraft," Proceedings of ESA Symposium of Dynamics and Control of Non-Rigid Spacecraft, May 1976.

B.N. Agrawal, "Nonstationary and Nonlinear Vibration Analysis and Its Applications," Shock and Vibration Digest, Vol. 7, No.8, August 1975.

B.N. Agrawal, "Effects of Asymmetries in Rotor and Flexible Joint of Dual-Spin Spacecraft," Journal of Spacecraft and Rockets, Vol. 11, No. 9, September, 1974, pp. 611-612.

B.N. Agrawal and P. Schrantz, "An Investigation of Notch Control System in Spacecraft Vibration Using Experimental and Analog Simulation," Journal of Environmental Sciences, May 1974.

B.N. Agrawal and R.M. Evan-Iwanowski, "Resonances in Nonstationary, Nonlinear, Multi-Degree-of-Freedom System," AIAA Journal, Vol. 11, No. 7, July 1973.

B.N. Agrawal and R.M. Evan-Iwanowski, �Resonances in Nonstationary, Nonlinear, Multi-degree-of-Freedom System,� 13th AIAA/ASME/SAE Structures, Structural Dynamics and Materials Conference, AIAA paper No. 72-401, San Antonio, Texas, April 10-12, 1972.

B.N. Agrawal, "Stability of an Automatic Notch Control System in Spacecraft Testing," Shock and Vibration Bulletin, No. 42, December 1971.

B.N. Agrawal, "Nonlinear Effects of the Vibration Testing of Spacecraft Structures," Presented at AIAA 9th Aerospace Science Meeting, AIAA Paper No. 71-211, January 1971.

B.N. Agrawal, "Resonant Resonances of a Mechanical System Subjected to Logarithmically Swept and Notched Based Excitation, Using Asymptotic Expansion," Shock and Vibration Bulletin, No. 41, December 1970.

B.N. Agrawal and B.P. Gupta, "Static Load Cycles on a Spur Gear," JIME, Vol. 49, November, 1968.