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Publications

Journal Papers

  • Adam R. Schofield, Alexander A. Trusov, Andrei M. Shkel, "Micromachined Gyroscope Concept Allowing Interchangeable Operation in Both Robust and Precision Modes," accepted to Sensors and Actuators A: Physical, 2010. [PDF]
  • Alexander A. Trusov, Adam R. Schofield, Andrei M. Shkel, "Micromachined Rate Gyroscope Architecture with Ultra-High Quality Factor and Improved Mode Ordering", Sensors and Actuators A: Physical, In Press, Accepted Manuscript, Available online 18 January 2010. [PDF]
  • Cenk Acar, Adam R. Schofield, Alexander A. Trusov, Lynn E. Costlow, and Andrei M. Shkel, "Environmentally Robust MEMS Vibratory Gyroscopes for Automotive Applications," IEEE Sensors Journal,  Vol. 9, No. 12, pp. 1895, December 2009. [PDF]
  • Alexander A. Trusov, Adam R. Schofield, and Andrei M. Shkel, "Performance Characterization of a New Temperature-Robust Gain-Bandwidth Improved MEMS Gyroscope Operated in Air," Sensors and Actuators A: Physical, Volume 155, Issue 1, Pages 16-22, October 2009. [PDF]
  • Alexander A. Trusov, Adam R. Schofield, and Andrei M. Shkel, "A Substrate Energy Dissipation Mechanism in In-Phase and Anti-Phase Micromachined Z-Axis Vibratory Gyroscopes," IOP Journal of Micromechanics and Microengineering 18, pp. 095016, 2008. [PDF]
  • Adam R. Schofield, Alexander A. Trusov, and Andrei M. Shkel, "Effects of Operational Frequency Scaling in Multi-Degree of Freedom MEMS Gyroscopes," IEEE Sensors Journal, Vol. 8, No. 10, pp. 1672-1680, 2008. [PDF]
  • Alexander A. Trusov and Andrei M. Shkel, "A Novel Capacitive Detection Scheme with Inherent Self-Calibration," IEEE Journal of Microelectromechanical Systems, Vol. 16, No. 6, pp. 1324-1333, December 2007. [PDF]
  • Alexander A. Trusov and Andrei M. Shkel, "Capacitive Detection in Resonant MEMS with Arbitrary Amplitude of Motion," IOP Journal of Micromechanics and Microengineering, Vol. 17, No. 8, pp. 1583-1592, July 2007. [PDF]
  • D. I. Bugrov and A. A. Trusov, "Modal Oscillations of a Single-Axis Vibrating Gyroscope," Vestnik Moskovskogo Universiteta. Ser. 1 Matematika Mekhanika, n 4, pp 64-67, 2004. [PDF] (in Russian)

Conference Papers

  • Sergei A. Zotov, Igor P.Prikhodko, Alexander A. Trusov, Andrei M. Shkel, "3-D Micromachined Spherical Shell Resonators with Integrated Electromagnetic and Electrostatic Transducers," Solid-State Sensors, Actuators, and Microsystems Workshop 2010, Hilton Head Island, South Carolina, USA, June 6-10, 2010. [PDF]
  • Alexander A. Trusov, Adam R. Schofield, and Andrei M. Shkel, "Vacuum Packaged Silicon MEMS Gyroscope with Q-Factor above 0.5 Million," IMAPS 6th International Conference and Exhibition on Device Packaging, Scottsdale, AZ, USA, March 8 – 11, 2010.
  • Montgomery C. Rivers, Alexander A. Trusov, Sergei A. Zotov, Andrei M. Shkel,  "Micro IMU Utilizing Folded Cube Approach," IMAPS 6th International Conference and Exhibition on Device Packaging, Scottsdale, AZ, USA, March 8 – 11, 2010. [PDF]
  • Adam R. Schofield, Alexander A. Trusov, Andrei M. Shkel, "Versatile Sub-mTorr Vacuum Packaging for the Experimental Study of Resonant MEMS," IEEE MEMS 2010 Conference, Hong Kong SAR, China, 24-28 January 2010. [PDF]
  • Alexander A. Trusov, Adam R. Schofield, and Andrei M. Shkel, "Gyroscope Architecture with Structurally Forced Anti-Phase Drive-Mode and Linearly Coupled Anti-Phase Sense-Mode,"  Transducers 2009 Conference, Denver, Colorado, USA, June 21-25, 2009. [PDF]
  • Adam R. Schofield, Alexander A. Trusov, and Andrei M. Shkel, "Design Trade-Offs of Micromachined Gyroscope Concept Allowing Interchangeable Operation in Both Robust and Precision Modes," Transducers 2009 Conference, Denver, Colorado, USA, June 21-25, 2009. [PDF]
  • Alexander A. Trusov, Adam R. Schofield, and Andrei M. Shkel, "Study of Substrate Energy Dissipation Mechanism in in-Phase and Anti-Phase Micromachined Vibratory Gyroscopes,"  IEEE Sensors 2008 Conference, Lecce, Italy, October 26-29, 2008. [PDF]
  • Adam R. Schofield, Alexander A. Trusov, and Andrei M. Shkel, "Micromachined Gyroscope Design Allowing for Both Robust Wide-Bandwidth and Precision Mode-Matched Operation," IEEE Sensors 2008 Conference, Lecce, Italy, October 26-29, 2008. [PDF]
  • Alexander A. Trusov, Adam R. Schofield, and Andrei M. Shkel, "On Mechanisms of Energy Dissipation and Transfer in MEMS Vibratory Gyroscopes Operated in Vacuum," WCCM8/ECCOMAS 2008, Venice, Italy, June 30 - July 4, 2008. [PDF]
  • Alexander A. Trusov, Adam R. Schofield, and Andrei M. Shkel, "New Architectural Design of a Temperature Robust MEMS Gyroscope with Improved Gain-Bandwidth Characteristics," Solid-State Sensors, Actuators, and Microsystems Workshop 2008, Hilton Head Island, South Carolina, USA, June 1-5, 2008. [PDF]
  • Alexander A. Trusov, Ilya Chepurko, Adam R. Schofield, and Andrei M. Shkel, "A Standalone Programmable Signal Processing Unit for Versatile Characterization of MEMS Gyroscopes," IEEE Sensors 2007 Conference, Atlanta, Georgia, USA, October 28-31, 2007. [PDF]
  • Adam R. Schofield, Alexander A. Trusov, and Andrei M. Shkel, "Multi-Degree of Freedom Tuning Fork Gyroscope Demonstrating Shock Rejection," IEEE Sensors 2007 Conference, Atlanta, Georgia, USA, October 28-31, 2007. [PDF]
  • Alexander A. Trusov and Andrei M. Shkel, "The Effect of High Order Non-Linearities on Sub-Harmonic Excitation with Parallel Plate Capacitive Actuators," ASME 2007 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference (IDETC/CIE 2007), Las Vegas, Nevada, USA, September 4-7, 2007. [PDF]
  • Alexander A. Trusov and Andrei M. Shkel, "A Novel Capacitive Detection Scheme with Inherent Self-Calibration," ASME 2007 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference (IDETC/CIE 2007), Las Vegas, Nevada, USA, September 4-7, 2007. [PDF]
  • Adam R. Schofield, Alexander A. Trusov, and Andrei M. Shkel, "Structural Design Trade-offs for MEMS Vibratory Rate Gyroscopes with 2-DOF Sense Modes," ASME 2007 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference (IDETC/CIE 2007), Las Vegas, Nevada, USA, September 4-7, 2007. [PDF]
  • Alexander A. Trusov and Andrei M. Shkel, "Parallel Plate Capacitive Detection of Large Amplitude Motion in MEMS," International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS '07), pp. 1693-1696, Lyon, France, June 10-14, 2007. [PDF]
  • Adam R. Schofield, Alexander A. Trusov, Cenk Acar, and Andrei M. Shkel, "Anti-Phase Driven Rate Gyroscope with Multi-Degree of Freedom Sense Mode," International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS '07), pp. 1199-1202, Lyon, France, June 10-14, 2007. [PDF]
  • Alexander A. Trusov, Cenk Acar, and Andrei M. Shkel, "Comparative Analysis of Distributed Mass Micromachined Gyroscopes Fabricated in SCS-SOI and EFAB," Proceedings of SPIE - The International Society for Optical Engineering, v 6174 II, Smart Structures and Materials 2006 - Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems, p 61742A, 2006. [PDF]
  • Alexander A. Trusov, "Feasibility Analysis of Vibratory Gyroscope in Vestibular Prosthesis Prototype," XXVI Conference of the Young Scientists at Moscow State University, Russia, April 2004. [PDF] (in Russian)

Invited Talks and Presentations

  • Alexander A. Trusov, Adam R. Schofield, "Self-Calibration of Scale Factor in Vibratory Gyroscopes Using the Inherent Nonlinearity of Capacitive Detection," invited talk, DARPA workshop "Primary and Secondary Calibration on Active Layer (PASCAL)," Hilton Head Island, South Carolina, June 29-30, 2010.
  • Alexander A. Trusov, Montgomery C. Rivers, "Micro IMU Utilizing a Folded MEMS Approach," invited talk, DARPA workshop "Deep Integration of Timing and Inertial Measurement Units (TIMUs)," Park City, Utah, February 2-3, 2010.
  • Alexander A. Trusov, "Miniature 3-D Shells for Micromachined Rate Integrating Gyroscopes," invited talk, DARPA workshop "Microscale Rate Integrating Gyroscopes: Challenges and Opportunities," Dana Point, California, USA, October 7-9, 2009.
  • Alexander A. Trusov, "Ultra-Sensitive Silicon MEMS Gyroscopes with Shock Rejection," invited talk, 2009 Joint Precision Azimuth Sensing Symposium (JPASS), Las Vegas, Nevada, USA, August 3-7, 2009.
  • Alexander A. Trusov, "Study of Fundamental Limits and Favorable Effects of Scaling to Enable Ultra-High Resolution MEMS Vibratory Gyroscopes for 1 mil Azimuth Detection," invited talk, 2009 Joint Precision Azimuth Sensing Symposium (JPASS), Las Vegas, Nevada, USA, August 3-7, 2009.
  • Montgomery C. Rivers, Alexander A. Trusov, Sergei A. Zotov, Marc Salleras, and Andrei M. Shkel, "Micro IMU Utilizing Folded Cube Approach," poster presentation, DARPA MTO MEMS Meeting, Sunriver, Oregon, USA, July 7-10, 2009.
  • Alexander A. Trusov, "Bias Drift in MEMS Gyroscopes," invited talk, Mechanical and Aerospace Engineering Seminar, University of California, Irvine, USA, June 6, 2007.
  • Alexander A. Trusov, "Characterization of Capacitive Resonant Microstructures Fabricated in EFAB Process," invited talk, Mechanical and Aerospace Engineering Seminar, University of California, Irvine, USA, October 19, 2005.

Patent Disclosures

  • Montgomery C. Rivers, Sergei A. Zotov, Alexander A. Trusov, Andrei M. Shkel, "Three Dimensional Folded MEMS Technology for Multi-Axis Sensor Systems," US Patent pending, UC Case No 2010-527-1. [OTA]
  • Andrei M. Shkel, Alexander A. Trusov, Igor P. Prikhodko, and Sergei A. Zotov, "Three-Dimensional Wafer-Scale Batch-Micromachined Angle/Angular Rate Microshell Resonator Gyroscope," US Patent pending, UC Case No 2010-231-1. [OTA]
  • Alexander A. Trusov, Adam R. Schofield, and Andrei M. Shkel, "Micromachined Tuning Fork Gyroscopes with Ultra-High Sensitivity and Shock Rejection," US Patent pending, UC Case No 2009-748-1. [OTA]
  • Adam R. Schofield, Alexander A. Trusov, and Andrei M. Shkel, "Micromachined Gyroscopes with 2-DOF Sense Modes Allowing Interchangeable Robust and Precision Operation," US Patent pending, UC Case No 2009-547-1. [OTA]
  • Alexander A. Trusov, Adam R. Schofield, and Andrei M. Shkel, "Temperature-Robust MEMS Gyroscope with 2-DOF Sense-Mode Addressing the Tradeoff between Bandwidth and Gain," US Patent pending, UC Case No 2008-503-1. [OTA]
  • Alexander A. Trusov and Andrei M. Shkel, "A Capacitive Detection Scheme with Inherent Self-Calibration for Resonant MEMS," US Patent pending, UC Case No 2007-377-2-ott, US Patent Application 20080170742, A1. [OTA]

Dissertations and Thesis

  • Alexander A. Trusov, "Investigation of Factors Affecting Bias Stability and Scale Factor Drifts
    in Coriolis Vibratory MEMS Gyroscopes," Ph.D. Dissertation, University of California, Irvine, 2009. Main text [PDF], appendices [PDF].
  • Alexander A. Trusov, "Nonlinear Effects in Control of Capacitive Resonant Microstructures," M.S. Thesis, University of California, Irvine, 2006. [PDF]

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