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-sightĀ FĀ regionĀ plasma driftsĀ measured with the Poker FlatĀ Incoherent Scatter RadarĀ (PFISR) during the NASA JOULE II experiment period are compared with estimates derived fromĀ EĀ region coherent scatter spectra observed with a 30Ā MHzĀ imaging radarĀ on common…
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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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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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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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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…
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In Situ Nutrient Sensors for Ocean Observing Systems
New insights into global geochemical cycles can be realized through use of in situ nutrient sensors.
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Coordinate Systems and Terrain Reusability
This paper is about a coordinate system problem for the āliveā aspect of LVC training that impacts terrain reusability.