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Browsing by Author "Bevly, David"

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Timing Evaluation of Iridium Satellite Time and Location Signal: Measurement-Level Implementation and Receiver Hardware Time Interval Comparison 

Smith, Austin (2023-12-06)
This thesis assesses the accuracy, stability, and convergence rates of receiver timing solutions with the Iridium Satellite Time and Location (STL) signal through two studies. In the first experiment, an Extended Kalman ...

Tire Force Estimation in Off-Road Vehicles Using Suspension Strain and Deflection Measurements 

Hill, Ryan (2012-01-24)
This thesis develops and analyzes the improvement of tire force estimation and analysis using strain gauge sensors and displacement sensors mounted on the suspension of an all-terrain vehicle. Vehicle dynamic models are ...

Ultra-wideband Radio Aided Carrier Phase Ambiguity Resolution in Real-Time Kinematic GPS Relative Positioning 

Broshears, Eric (2013-07-10)
In this thesis, ultra-wideband radios (UWBs) are integrated into the real-time kinematic (RTK) algorithm using differential GPS techniques to achieve a highly precise relative positioning vector between GPS antennas. This ...

The Utilization of Geometric Hashing Techniques for Feature Association during Ground Vehicle Localization 

Sprunk, Michael (2023-04-28)
This thesis presents a new approach to laser-based robot localization using the concept of geometric hashing. The technique operates on an a priori feature map representing the navigation environment by recording all ...

Utilization of Vehicle-Specific Power as a Powertrain Independent Platoon Controller Performance Metric 

Snitzer, Richard Philip (2022-12-05)
Heavy-Duty hauling faces challenges regarding the efficiency of transportation, which opens the door to new pathways to saving money while refueling via platooning. Platooning vehicles travel together intending to reduce ...

Utilizing Hidden Markov Models to Classify Maneuvers and Improve Estimates of an Unmanned Aerial Vehicle During High Dynamic Flight 

Strong, Amy (2021-07-28)
Unmanned Aerial Vehicles (UAVs) are an increasing presence around the world; however, they can pose a threat to secure facilities. Many UAV mitigation techniques require accurate knowledge of UAV states to successfully ...