All Stories

  1. Identifying Stochastic Wind Speed Model Parameters Using Autocovariance

    Article • July 2025, American Institute of Aeronautics and Astronautics (AIAA)

    Matthew Rhudy

  2. Survey of Failure Accommodation Strategies for Aircraft Sensor Systems

    Article • Journal of Aerospace Information Systems, March 2025, American Institute of Aeronautics and Astronautics (AIAA)

    Matthew Rhudy

  3. Vertical Wind Velocity Estimation During UAS Fire Plume Encounters

    Article • January 2025, American Institute of Aeronautics and Astronautics (AIAA)

    Matthew Rhudy

  4. Quadcopter Attitude Estimation Using Multiple Ultrasonic Rangefinders and Rate Gyroscopes

    Article • July 2024, American Institute of Aeronautics and Astronautics (AIAA)

    Matthew Rhudy

  5. Model-Free Ground Velocity and Position Estimation for Manned and Unmanned Aircraft

    Article • Journal of Aerospace Information Systems, September 2023, American Institute of Aeronautics and Astronautics (AIAA)

    Matthew Rhudy

  6. Stochastic Wind Modeling and Estimation for Unmanned Aircraft Systems

    Article • June 2019, American Institute of Aeronautics and Astronautics (AIAA)

    Matthew Rhudy

  7. Predicting the Parameters of Stochastic Wind Models for Time-Varying Wind Estimation Techniques

    Article • Journal of Aerospace Information Systems, February 2019, American Institute of Aeronautics and Astronautics (AIAA)

    Matthew Rhudy

  8. Methodology and validation for identifying gait type using machine learning on IMU data

    Article • Journal of Medical Engineering & Technology, January 2019, Taylor & Francis

    Joseph Mahoney, Matthew Rhudy

  9. Design and validation of a simple automated optical step counting method for treadmill walking

    Article • Journal of Medical Engineering & Technology, August 2018, Taylor & Francis

    Joseph Mahoney, Matthew Rhudy

  10. A comprehensive comparison of simple step counting techniques using wrist- and ankle-mounted accelerometer and gyroscope signals

    Article • Journal of Medical Engineering & Technology, April 2018, Taylor & Francis

    Matthew Rhudy, Joseph Mahoney

  11. Determination of Stochastic Wind Speed Model Parameters Using Allan Deviation Approach

    Article • June 2017, American Institute of Aeronautics and Astronautics (AIAA)

    Matthew Rhudy

  12. Estimating the Attitude of an Unmanned Aerial Vehicle through Multiple Low-Cost Ultrasonic Range Sensors

    Article • January 2017, American Institute of Aeronautics and Astronautics (AIAA)

    Matthew Rhudy

  13. Flight-Test Evaluation of Navigation Information in Wide-Field Optical Flow

    Article • Journal of Aerospace Information Systems, November 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Matthew Rhudy

  14. Analytical Determination of Trim Values for Nonlinear Fixed Wing Aircraft Models

    Article • June 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Matthew Rhudy

  15. Fixed-Wing UAV Attitude Estimation Using Single Antenna GPS Signal Strength Measurements

    Article • Aerospace, May 2016, MDPI AG

    Matthew Rhudy

  16. A Fault-Tolerant Multiple Sensor Fusion Approach Applied to UAV Attitude Estimation

    Article • International Journal of Aerospace Engineering, January 2016, Hindawi Publishing Corporation

    Matthew Rhudy

  17. Robust UAV Relative Navigation With DGPS, INS, and Peer-to-Peer Radio Ranging

    Article • IEEE Transactions on Automation Science and Engineering, July 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Matthew Rhudy

  18. Aircraft model-independent airspeed estimation without pitot tube measurements

    Article • IEEE Transactions on Aerospace and Electronic Systems, July 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Matthew Rhudy

  19. Increasing the Convergence Rate of the Extended Kalman Filter

    Article • January 2015, American Institute of Aeronautics and Astronautics (AIAA)

    Matthew Rhudy

  20. Unmanned Aerial Vehicle Navigation Using Wide-Field Optical Flow and Inertial Sensors

    Article • Journal of Robotics, January 2015, Hindawi Publishing Corporation

    Matthew Rhudy

  21. Evaluation of Sensor Failure Detection, Identification and Accommodation (SFDIA) Performance Following Common-Mode Failures of Pitot Tubes

    Article • September 2014, SAE International

    Matthew Rhudy

  22. Experimental Evaluation of Two Pitot Free Analytical Redundancy Techniques for the Estimation of the Airspeed of an UAV

    Article • SAE International Journal of Aerospace, September 2014, SAE International

    Matthew Rhudy

  23. Wide-field optical flow aided inertial navigation for unmanned aerial vehicles

    Article • September 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Matthew Rhudy

  24. Stochastic Spatial Wind Field Simulation using a Potential Field

    Article • June 2014, American Institute of Aeronautics and Astronautics (AIAA)

    Matthew Rhudy

  25. Wind Field Velocity and Acceleration Estimation Using a Small UAV

    Article • June 2014, American Institute of Aeronautics and Astronautics (AIAA)

    Matthew Rhudy

  26. Wind field estimation in UAV formation flight

    Article • June 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Matthew Rhudy

  27. Control performance analysis for autonomous close formation flight experiments

    Article • May 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Matthew Rhudy

  28. Time Alignment Techniques for Experimental Sensor Data

    Article • International Journal of Computer Science & Engineering Survey, April 2014, Academy and Industry Research Collaboration Center (AIRCC)

    Matthew Rhudy

  29. Relaxation of Stability Requirements for Extended Kalman Filter Stability within GPS/INS Attitude Estimation

    Article • January 2014, American Institute of Aeronautics and Astronautics (AIAA)

    Matthew Rhudy

  30. Flight Data Analysis of Pilot-Induced-Oscillations of a Remotely Controlled Aircraft

    Article • August 2013, American Institute of Aeronautics and Astronautics (AIAA)

    Matthew Rhudy

  31. Low-Cost Loosely-Coupled Dual GPS/INS for Attitude Estimation with Application to a Small UAV

    Article • August 2013, American Institute of Aeronautics and Astronautics (AIAA)

    Matthew Rhudy

  32. On-Line Orientation Calibration of Inertial Measurement Unit Pairs using Unmanned Aerial Vehicle Flight Data

    Article • August 2013, American Institute of Aeronautics and Astronautics (AIAA)

    Matthew Rhudy

  33. UAV Attitude, Heading, and Wind Estimation Using GPS/INS and an Air Data System

    Article • August 2013, American Institute of Aeronautics and Astronautics (AIAA)

    Matthew Rhudy

  34. Does the Unscented Kalman Filter Converge Faster than the Extended Kalman Filter? A Counter Example

    Article • August 2013, American Institute of Aeronautics and Astronautics (AIAA)

    Matthew Rhudy

  35. Performance evaluation of neural network based approaches for airspeed Sensor Failure Accommodation on a small UAV

    Article • June 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Matthew Rhudy

  36. Sensitivity Analysis of Extended and Unscented Kalman Filters for Attitude Estimation

    Article • Journal of Aerospace Information Systems, March 2013, American Institute of Aeronautics and Astronautics (AIAA)

    Matthew Rhudy

  37. An Analytical Approach for Comparing Linearization Methods in EKF and UKF

    Article • International Journal of Advanced Robotic Systems, January 2013, IntechOpen

    Matthew Rhudy

  38. Online Stochastic Convergence Analysis of the Kalman Filter

    Article • International Journal of Stochastic Analysis, January 2013, Hindawi Publishing Corporation

    Matthew Rhudy

  39. Mobile Ground Control Station Development for Fault Tolerant UAV Research

    Article • August 2012, American Institute of Aeronautics and Astronautics (AIAA)

    Matthew Rhudy

  40. Fusion of GPS and Redundant IMU Data for Attitude Estimation

    Article • August 2012, American Institute of Aeronautics and Astronautics (AIAA)

    Matthew Rhudy

  41. Relaxation of Initial Error and Noise Bounds for Stability of GPS/INS Attitude Estimation

    Article • August 2012, American Institute of Aeronautics and Astronautics (AIAA)

    Matthew Rhudy

  42. Flight-Test Evaluation of Sensor Fusion Algorithms for Attitude Estimation

    Article • IEEE Transactions on Aerospace and Electronic Systems, July 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Matthew Rhudy

  43. On-line Modeling and Calibration of Low-Cost Navigation Sensors

    Article • August 2011, American Institute of Aeronautics and Astronautics (AIAA)

    Matthew Rhudy

  44. Development of a GPS/INS Sensor Fusion Simulation Environment Using Flight Data

    Article • August 2011, American Institute of Aeronautics and Astronautics (AIAA)

    Matthew Rhudy

  45. Sensitivity Analysis of EKF and UKF in GPS/INS Sensor Fusion

    Article • August 2011, American Institute of Aeronautics and Astronautics (AIAA)

    Matthew Rhudy

  46. Evaluation of Matrix Square Root Operations for UKF within a UAV GPS/INS Sensor Fusion Application

    Article • International Journal of Navigation and Observation, January 2011, Hindawi Publishing Corporation

    Matthew Rhudy

  47. Improved system for detection, localization, and classification of military impulse noise.

    Article • The Journal of the Acoustical Society of America, March 2010, Acoustical Society of America (ASA)

    Matthew Rhudy

  48. Microphone Array Analysis Methods Using Cross-Correlations

    Article • January 2009, ASME International

    Matthew Rhudy

  49. Microphone array techniques using cross-correlations.

    Article • The Journal of the Acoustical Society of America, January 2009, Acoustical Society of America (ASA)

    Matthew Rhudy

  50. Musical Analogies as a Teaching Tool for Engineering Concepts

    Article • American Society for Engineering Education

    Matthew Rhudy