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An ad hoc unmanned ground vehicle (UGV) network operates as an intermittently connected mobile delay tolerant network (DTN). In this paper, we develop a mobility estimation algorithm that can be coupled with a cooperative communication routing algorithm to provide a basis for real time path planning in UGV-DTNs. A Gauss-Markov state space model is used for the node dynamics. The nonlinear measurement...
The work presented in this paper addresses a practical approach to the problem of 3D pose estimation. The proposed method extends a classical 2D dead reckoning system to a 3D pose estimation system by merging data from odometry and multiple low cost rate gyros and accelerometers. The localization problem is decomposed into two parts, i.e. attitude estimation followed by pose estimation. Based on the...
This paper describes several methodologies based on a pulsed laser beam to reveal the architecture of a high integrated SDRAM, and the different classes of Single Event Effects that can occur due to cosmic radiations. At cell level, laser is used to reveal an important technological parameter: the lithography process. At memory array level, laser is a powerful tool to retrieve cell physical arrangements,...
The challenges of deriving early-adopter competitive advantage, even with fabless access to process technology, through leveraging features offered by the advanced, and possibly disruptive, process technologies in real SoC products, are outlined. A structured methodology for addressing these challenges, and bridging the gap between process and design, sufficiently early in the development cycle to...
The design and application of a nonlinear Generalized Likelihood Ratio (GLR) algorithm for target maneuver detection and estimation for short-range air-to-air missile scenarios is addressed. The problem, which is inherently nonlinear, is first reformulated into a linear problem by preprocessing the measurements. The maneuver detection algorithm then consists of a Kalman filter that is tuned to track...
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