Robotics, sensors, & devices publications
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Leaving Flatland: Toward Real-Time 3D Navigation
We report our first experiences with Leaving Flatland, an exploratory project that studies the key challenges of closing the loop between autonomous perception and action on challenging terrain.
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100 W Operation of a Cold Cathode TWT
This paper reports on the experimental studies of implementation of such field emitter arrays as the electron source for a moderate power traveling wave tube (TWT) operating in the C-band…
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Weapon Identification Using Hierarchical Classification of Acoustic Signatures
We apply a unique hierarchical audio classification technique to weapon identification using gunshot analysis.
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Assessing Auroral Electric Field Variance with Coherent and Incoherent Scatter Radar
Line-of-sight F region plasma drifts measured with the Poker Flat Incoherent Scatter Radar (PFISR) during the NASA JOULE II experiment period are compared with estimates derived from E region coherent scatter spectra observed with a 30 MHz imaging radar on common…
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Development of Microfabricated Cylindrical Ion Trap Mass Spectrometer Arrays
A novel approach, in which microelectromechanical systems (MEMS) technology is used for constructing miniature cylindrical ion trap (CIT) mass spectrometer (MS) arrays in silicon (Si), is described.
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Infrastructure Free 6 DOF Location and Pose Estimation for Mixed Reality Systems
Mixed reality training systems using Head Mounted Displays (HMDs) require very high precision knowledge of the 3D location and 3D orientation of the user's head.
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ACT-Vision Active Collaborative Tracking for Multiple PTZ Cameras
We describe a novel scalable approach for the management of a large number of Pan-Tilt-Zoom (PTZ) cameras deployed outdoors for persistent tracking of humans and vehicles, without resorting to the…
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Trauma Pod: a Semi-Automated Telerobotic Surgical System
The Trauma Pod (TP) vision is to develop a rapidly deployable robotic system to perform critical acute stabilization and/or surgical procedures, autonomously or in a teleoperative mode.
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Review of Electrochemical Hydrogen Sensors
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CESAR (Compact Echelle Spectrograph for Aeronomical Research) Opto-Mechanical Design
Our goal is to significantly expand the range of upper atmospheric science investigations (nightglow, aurora, and dayglow emissions) by providing to aeronomers a high-throughput, high-dispersion, large-passband spectrograph.
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Robotic Laser Tissue Welding of Sclera Using Chitosan Films
In this preliminary study chitosan film successfully closed scleral lacerations with and without the application of laser energy.
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Distributed Multi-Sensor Fusion for Improved Collaborative GPS-Denied Navigation
This paper addresses the problem of determining high accuracy absolute and relative 3-D positions of mobile sensor network nodes by fusing inertial and radio frequency (RF) ranging measurements to support…