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Thermal interface materials (TIMs) are used in power electronics packaging to minimize thermal resistance between the heat generating component and the heat sink. Thermal greases are one such class of TIMs. The conformability and thin bond line thickness (BLT) of these TIMs can potentially provide low thermal resistance throughout the operation lifetime of a component. However, their performance degrades...
In many electronic packaging applications, electrical insulation is required that can also provide high thermal conduction to appropriately couple a heat source to a heat sink. In these applications, it is the total thermal conductance, not the thermal conductivity, that must be maximized. This property is a result of both the bulk thermal conduction of the material as well as the nature of the interfaces...
Logic for the Dempster-Shafer (D-S) evidential reasoning algorithm has been extended for application to multi-sensor data association. For this paper, it is assumed that a global MHT tracker must associate radar tracks with tracks from a second sensor that measures target features, such as carrier frequency in RF or color in the visible. Both sensors may form tracks on the same targets, or there may...
The logic for a track-oriented Multiple Hypothesis Tracking (MHT) algorithm has been extended for application to a through the wall radar tracking problem. Specifically, the hypothesis formation and compatibility logic are designed to address the issues associated with radar multipath returns from multiple targets within a building. In addition to the direct returns from the targets, there are typically...
Dependency occurs when the probability of success or failure on one action changes the probability of success or failure on a subsequent action. Dependency may serve as a modifier on the human error probabilities (HEPs) for successive actions in human reliability analysis (HRA) models. Discretion should be employed when determining whether or not a dependency calculation is warranted: dependency should...
The Standardized Plant Analysis Risk-Human Reliability Analysis (SPAR-H) method has proved to be a reliable, easy-to-use method for human reliability analysis. Calculation of human error probability (HEP) rates is especially straightforward, starting with pre-defined nominal error rates for cognitive vs. action oriented tasks, and incorporating performance shaping factor (PSF) multipliers upon those...
After giving an overview of the design of the IMM/MHT tracker, this paper discusses a joint tracking and identification approach to the multi-sensor ground target tracking problem. It is widely recognized that the requirements for the continuous tracking of important targets can only be achieved by incorporating feature data and behavioral information. Consequently, a Dempster-Shafer approach has...
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