927 resultados para Vehicles, Military.
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Commission appointing Moses Deshon as major of a foot regiment under Col. Joseph Thatcher.
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This layer is a georeferenced raster image of the historic paper map entitled: A complete representation of the coast of England, together with the interior, divided into counties and military districts : also the coast of France and Holland from the Texel to Brest ... to which is annexed eighteen plans of the ports of the enemy, the principal depôts of the flotilla intended for the invasion of England, by John Luffman, Geogr. It was published by J. Luffman in 1804. Scale [ca. 1:2,500,000]. The image inside the map neatline is georeferenced to the surface of the earth and fit to the 'British National Grid' coordinate system. All map collar and inset information is also available as part of the raster image, including any inset maps, profiles, statistical tables, directories, text, illustrations, index maps, legends, or other information associated with the principal map. This map shows features such as drainage, cities and other human settlements, administrative and military district boundaries, shoreline features including distances between selected ports, and more. Includes insets of foreign military installations and index to the military districts. This layer is part of a selection of digitally scanned and georeferenced historic maps from the Harvard Map Collection. These maps typically portray both natural and manmade features. The selection represents a range of originators, ground condition dates, scales, and map purposes.
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Post-traumatic stress disorder (PTSD) has emerged as a key concern for military and veteran populations. This article describes what is being done programmatically and therapeutically to treat PTSD in military personnel and veterans returning from deployment. This scoping review demonstrates that (1) research published in this area has been rapidly increasing since its inception in the 1980s; (2) the vast majority of articles focus on cognitive-behavioral approaches to treatment, and this area of the literature presents strong evidence for these approaches; and (3) there is a lack of randomized controlled trials for treatments, such as art therapies and group therapies.
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The electric vehicle (EV) market has seen a rapid growth in the recent past. With an increase in the number of electric vehicles on road, there is an increase in the number of high capacity battery banks interfacing the grid. The battery bank of an EV, besides being the fuel tank, is also a huge energy storage unit. Presently, it is used only when the vehicle is being driven and remains idle for rest of the time, rendering it underutilized. Whereas on the other hand, there is a need of large energy storage units in the grid to filter out the fluctuations of supply and demand during a day. EVs can help bridge this gap. The EV battery bank can be used to store the excess energy from the grid to vehicle (G2V) or supply stored energy from the vehicle to grid (V2G ), when required. To let power flow happen, in both directions, a bidirectional AC-DC converter is required. This thesis concentrates on the bidirectional AC-DC converters which have a control on power flow in all four quadrants for the application of EV battery interfacing with the grid. This thesis presents a bidirectional interleaved full bridge converter topology. This helps in increasing the power processing and current handling capability of the converter which makes it suitable for the purpose of EVs. Further, the benefit of using the interleaved topology is that it increases the power density of the converter. This ensures optimization of space usage with the same power handling capacity. The proposed interleaved converter consists of two full bridges. The corresponding gate pulses of each switch, in one cell, are phase shifted by 180 degrees from those of the other cell. The proposed converter control is based on the one-cycle controller. To meet the challenge of new requirements of reactive power handling capabilities for grid connected converters, posed by the utilities, the controller is modified to make it suitable to process the reactive power. A fictitious current derived from the grid voltage is introduced in the controller, which controls the converter performance. The current references are generated using the second order generalized integrators (SOGI) and phase locked loop (PLL). A digital implementation of the proposed control ii scheme is developed and implemented using DSP hardware. The simulated and experimental results, based on the converter topology and control technique discussed here, are presented to show the performance of the proposed theory.
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In 2013 the European Council for the first time since long will deal with European defence. An excellent opportunity: to move key Pooling & Sharing projects to the implementation stage in the short term, and to launch a permanent and structured approach to the development of European military capabilities for the long term.
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Important decisions on Europe’s military capabilities are expected from the December 2013 European Council. But why? What do Europeans actually want to do with their capabilities? The answer to that question would be the crowning piece of the European Council’s decisions.