Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 51 for “"IEDs"”.
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An Electrical Mine Monitoring System Utilizing the IEC 61850 Standard
… devices. Various intelligent electronic devices (IEDs) are now used to prevent machine damage and downtime. As motor control devices have advanced in technology, so too have the IEDs that protect them. These advances have resulted in new standards, such as IEC 61850, that have embedded …
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Information Exchange (IE) Among Multi-Stakeholders for Improving Decision Making
… an Information Exchange Decision Support (IEDS) framework that can guide the design of IE platforms for multiple stakeholders. The qualitative evaluation shows that the IEDS framework is useful for identifying the stakeholders, specifying the needed information to be exchanged, and …
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A study on the response of a target plate to a foreign object placed at various depths in a cylindrical Charge
The threat of Improvised Explosive Devices (IEDs) has grown exponentially in the 21st century, as the methods and means of warfare have adapted to modern threats such as terrorism. IEDs are especially damaging and lethal because they are often randomly embedded with a variety of projectiles that …
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Optimization-based routing and scheduling of IED-detection assets in contemporary military operations
Improvised Explosive Devices, or IEDs, have become a familiar and lethal part of contemporary military operations in Iraq and Afghanistan, producing more casualties than any other weapons system. One reason for their success is their practicality in an environment characterized by imbalances in the …
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Implementation of the IEC61850 international protocol for accurate fault location in overhead transmission lines
… based Intelligent Electronic Devices (IEDs), have depended on digital superiority to assist personnel in the precise location of faults. The ability of these IEDs to generate an abundance of valuable network data through information exchange of relays, permits power authorities to …
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The response of circular plates to repeated uniform blast loads an experimental and numerical study
… injury or death. Improvised explosive devices (IEDs) and landmines accounted for 1761 deaths in Afghanistan during 2009 [1], with many more casualties as a result from conflict occurring throughout the world.
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Analysis and techniques of data compression in smart grids in the context of IEC 61850 communication protocol
… (PMUs) and the intelligent electronic devices (IEDs) typically record the data and share the information across each level of the grid. In distribution substations, the data and hence the information is then further transferred throughout the supervisory control and data acquisition (SCADA) and …
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Computational modeling of trabecular bone in lower extremity injuries due to impact
… resulting from improvised explosive devices (IEDs) pose a serious threat to the safety of military troops. Reports from Operation Iraqi Freedom and Operation Enduring Freedom identify IEDs as the cause for a substantial number of lower extremity bone fractures. The Army Research Laboratory …
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An investigation of the forces within the tibiae at typical blast loading rates : with different boots
… (AVLs), underbelly Improvised Explosive Devices (IEDs) or side-attack IEDs are some of the major threats to military vehicles and their occupants (Ramasamy et al., 2011). The lower extremities of the occupants are very prone to injury, mostly caused by underbelly detonation of AVLs or IEDs due to …
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A conversation analytic study of practices of affiliation and disaffiliation in Arabic in Aljazeera’s “The Opposite Direction”
… the screen and are in the disfavorable position (IEDs). This dissertation shows that these actions of agenda- furthering or blocking are implemented by the IR and shows how they are achieved. For the analysis presented in this dissertation, I have studied twenty, fifty-minute episodes from “The …
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The response of a structural target to oblique fragment and blast loading
… is used to target humans and structures [1]. IEDs commonly have dual damaging effects, a high-pressure blast wave that propagates outwards from the point of detonation as well as blast induced fragments. The blast induced fragments include the casing of the IED and added components to increase …
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An analysis of foot-ankle-leg fractures sustained by Warfighters and PMHS in the under-body blast environment
… exposed to improvised explosive devices (IEDs). These munitions present a substantial risk to both mounted and dismounted Warfighters. This thesis created a military specific case review system based on the established Crash Injury Research and Engineering Network (CIREN). The modified …
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Thermal neutron analysis for improvised explosive device detection
… The system is shown to be capable of detecting IEDs within between 15.6 and 3800 seconds for HPGe detectors, and within 277 seconds for the best case scenario with NaI while more deeply buried explosives are shown to be undetectable by NaI.</p>
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Detecting Threats from Constituent Parts: A Fuzzy Signal Detection Theory Analysis of Individual Differences
… task, in which the items to be detected (IEDs) are presented in various states of assembly. That is, this research relates individual difference measures to task performance, uses FSDT in target detection, and provides application of the theory to vigilance tasks. In two experiments, …
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The study of the rapid acquisition Mine Resistant Ambush Protected (MRAP) vehicle program and its impact on the warfighter
… against improvised explosive devices (IEDs), rocket-propelled grenades, and small arms fire, prompted the approval of an accelerated acquisition program for the development and purchase of the MRAP vehicle. The time from the initial needs statement in February 2006 to the first fielding …
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Design of an Ultra-Wideband Spiral Antenna for Ground-Penetrating Microwave Impulse Radar Applications
… that allow early detection of underground IEDs can save lives. The Microwave Impulse Radar (MIR) capable of IED detection requires antennas capable of transmitting sub-nanosecond pulses over ultra-wideband (UWB) frequency ranges. This thesis investigates the suitability of a novel MIR …
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Application of IEC61850 protocol to implement peer-to-peer communication on General Electric (GE) relays : evaluation of IEC61850 performance
… sought to establish the interoperability of IEDs from different vendors using the GOOSE message system.
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Exchangeable end effectors for the army Explosive Ordnance Disposal (EOD) robot
… target improvised explosive devices (IEDs) -- homemade bombs. With their present design these robots have limited capabilities. Only one gripper, which is bolted onto the end of the arm, is provided. It was the objective of the research to take the first step toward increasing the …
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Hybrid Nanostructures for Artificial Machine Olfaction
… the detection of improvised explosive devices (IEDs), ammunition dumps, or hidden explosives. One method of accomplishing this task is through the use of an array of chemiresistors in an electronic nose device. For this study, chemiresistors were constructed using 3-D silica nanospring mats with …
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Fast Identification of Components Commonly Used in Homemade Explosives by Spectroscopic and Chemometric Methods
… a suspect and a reference in cases of HMEs, IEDs, arson and environmental contamination. </p> <p>Modern methods for quick identification of the fuels and oxidant sources used in manufacturing HMEs, include Fourier Transform Infrared (FT-IR) and Raman spectroscopy. Visual confirmation alone, …
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