Abstract: A data transfer system is disclosed for an unmanned vehicle on a mission. The data transfer system can include a first sensor associated with the unmanned vehicle for collecting a first data set, and a second sensor associated with the unmanned vehicle and for collecting a second data set, wherein the second data set is associated with the first data set by a predetermined association. A transceiver can transmit data from the unmanned vehicle to a remote data storage system. A mass data storage computer located on the unmanned vehicle can store the first and second data sets based on the predetermined association, and execute requests from the remote data storage system to transmit the first data set from the unmanned vehicle to the remote data storage system, and to transmit selected ones of the second data set from the unmanned vehicle to the remote data storage system.

Abstract: A distributed virtual desktop infrastructure system includes at least one management server and a plurality of client management applications. The management server includes at least one processor, and is programmed and/or configured to determine a home system of the plurality of client systems for at least one user. The plurality of client management applications are in communication with the at least one management server, and are configured to execute on the plurality of client system and display, on at least one client system, a virtual desktop of at least one virtual machine executing on the home system. Related systems and methods are also described.

Abstract: A load coupling for adjusting torsional natural frequency of a power train includes a first flange having a plurality of annularly arranged connecting holes, a second flange having a plurality of annularly arranged connecting holes and a shaft that extends between the first flange and the second flange. A threaded bore hole is defined within one of the first flange or the second flange radially outward from the plurality of connecting holes. A first threaded plug is seated within the threaded bore hole. The first threaded plug includes a turning end that is axially separated from a contact end. A second threaded plug is seated within the threaded bore hole. The second threaded plug includes a turning end that is axially separated from a contact end. The contact end of the first threaded plug is axially loaded against the contact end of the second threaded plug.

Abstract: A first computing device is provided for virtual disk provisioning. The first computing device includes one or more processors configured to provide a first virtual disk and a first publish differencing disk. The one or more processors are further configured to obtain meta data associated with the first virtual disk and the first publish differencing disk, and generate one or more first differencing patches and one or more second differencing patches. The first and second differencing patches having a binary format. The first computing device further includes a storage configured to store data associated with the first virtual disk and the first publish differencing disk, the meta data, and the one or more first and second differencing patches. The first computing device further includes a communication subsystem configured to provide one or more first and second differencing patches to provision the virtual machine associated with a second computing device.

Abstract: A load coupling for adjusting torsional natural frequency of a power train includes a first flange having a plurality of annularly arranged connecting holes, a second flange having a plurality of annularly arranged connecting holes and a shaft that extends between the first flange and the second flange. A threaded bore hole is defined within one of the first flange or the second flange radially outward from the plurality of connecting holes. A first threaded plug is seated within the threaded bore hole. The first threaded plug includes a turning end that is axially separated from a contact end. A second threaded plug is seated within the threaded bore hole. The second threaded plug includes a turning end that is axially separated from a contact end. The contact end of the first threaded plug is axially loaded against the contact end of the second threaded plug.

Abstract: Load couplings, power trains, and methods for adjusting torsional natural frequencies of power trains are provided. In one embodiment, a load coupling includes a first flange, a second flange, and a shaft extending between the first flange and the second flange. The load coupling further includes an annular ring extending radially outward from one of the first flange, the second flange, or the shaft, the annular ring including a plurality of bore holes defined therein, each of the plurality of bore holes including a first opening. The load coupling further includes a first cap connected within one of the plurality of bore holes proximate the first opening, the first cap deformable such that an interference fit is created with the one of the plurality of bore holes.

Abstract: A load coupling device for a power train including: a rotatable shaft; a first flange on a first end of the shaft, wherein the first flange is adapted to couple to a first rotating shaft of at a torque producing turbine or a torque driven electrical generator; a second flange on an opposite end of the shaft, wherein the shaft is adapted to couple to a second rotating shaft of the other of the turbine and the generator, and an annular ring extending radially outward from the first flange, wherein the mass of the annular ring is selected to shift a torsional natural frequency of the power train away from an operational condition of the power train. Trim masses may be added to make fine adjustments to the torsional natural frequency of the power train.

Abstract: A load coupling device for a power train including: a rotatable shaft; a first flange on a first end of the shaft, wherein the first flange is adapted to couple to a first rotating shaft of at a torque producing turbine or a torque driven electrical generator; a second flange on an opposite end of the shaft, wherein the shaft is adapted to couple to a second rotating shaft of the other of the turbine and the generator, and an annular ring extending radially outward from the first flange, wherein the mass of the annular ring is selected to shift a torsional natural frequency of the power train away from an operational condition of the power train. Trim masses may be added to make fine adjustments to the torsional natural frequency of the power train.

Abstract: A camera assembly is disclosed for mounting on a vehicle (e.g. an aircraft). An exemplary camera assembly can include: a fixture (e.g. a rotatable drum); a camera; and a mirror; wherein the fixture is arranged to be rotated relative to the vehicle about an axis; the camera is mounted on the fixture such that the camera has a substantially fixed position relative to the fixture; the mirror is mounted on the fixture such that, if the fixture rotates, the mirror rotates; the mirror is rotatable relative to the fixture about a further axis, the further axis being substantially perpendicular to the axis; and the camera is arranged to detect electromagnetic radiation reflected by the mirror. The axis and the further axis may intersect.

Abstract: A camera array and method are disclosed for capturing and processing images of an area of terrain. For each of a plurality of time-steps within a time period, using each of a plurality of cameras in a camera array, an exemplary method includes: generating an image of a respective portion of terrain, wherein the cameras in the camera array have substantially fixed positions relative to each other, and the portions of terrain are such that the whole of the area of terrain has been imaged by the end of the time period; selecting a subset of the images such that the whole of the terrain is covered by the portions of the terrain in the images in the subset; and for an image not in the subset, if an object of interest is in that image, extracting a sub-image containing the object from that image.

Abstract: A data transfer system is disclosed for an unmanned vehicle on a mission. The data transfer system can include a first sensor associated with the unmanned vehicle for collecting a first data set, and a second sensor associated with the unmanned vehicle and for collecting a second data set, wherein the second data set is associated with the first data set by a predetermined association. A transceiver can transmit data from the unmanned vehicle to a remote data storage system. A mass data storage computer located on the unmanned vehicle can store the first and second data sets based on the predetermined association, and execute requests from the remote data storage system to transmit the first data set from the unmanned vehicle to the remote data storage system, and to transmit selected ones of the second data set from the unmanned vehicle to the remote data storage system.

Abstract: A coupling includes a first portion configured for connection to a first shaft and having a first portion flange and a second portion configured for connection to a second shaft and having a second portion flange. The coupling also includes an isolating member disposed between the first portion flange and the second portion flange and that is formed of ceramic and electrically isolates the first portion from the second portion. The coupling also includes one or more connecting members passing through the first portion flange, the second portion flange, and the isolating member and holding the first portion flange and the second portion flange in a fixed relationship to one another.

Abstract: A load coupling device for a power train including: a rotatable shaft; a first flange on a first end of the shaft, wherein the first flange is adapted to couple to a first rotating shaft of at a torque producing turbine or a torque driven electrical generator; a second flange on an opposite end of the shaft, wherein the shaft is adapted to couple to a second rotating shaft of the other of the turbine and the generator, and an annular ring extending radially outward from the first flange, wherein the mass of the annular ring is selected to shift a torsional natural frequency of the power train away from an operational condition of the power train. Trim masses may be added to make fine adjustments to the torsional natural frequency of the power train.

Abstract: A load coupling for transmitting a torque load between a first shaft and a second shaft is disclosed. The load coupling may generally include a first shaft segment configured to be fixedly attached to the first shaft and a second shaft segment configured to be fixedly attached to the second shaft. The second shaft segment may be frictionally fit within the first shaft segment such that a frictional interface is defined between the first and second shaft segments. Additionally, the frictional interface may be configured such that the first and second shaft segments rotationally disengage when the torque load exceeds a torque threshold and rotationally reengage when the torque load is reduced to or below the torque threshold.

Abstract: A system is provided for rapidly synchronizing two or more processing elements in a fault-tolerant computing system. Embodiments of this system allow for the rapid synchronization of two processing elements through partial copies of the contents of memory associate with each processing element.

Abstract: A transparent high-availability solution utilizing virtualization technology is presented. A cluster environment and management thereof is implemented through an automated installation and setup procedure resulting in a cluster acting as a single system. The cluster is setup in an isolated virtual machine on each of a number of physical nodes of the system. Customer applications are run within separate application virtual machines on one physical node at a time and are run independently and unaware of their configuration as part of a high-availability cluster. Upon detection of a failure, traffic is rerouted through a redundant node and the application virtual machines are migrated from the failing node to another node using live migration techniques.

Abstract: A transparent high-availability solution utilizing virtualization technology is presented. A cluster environment and management thereof is implemented through an automated installation and setup procedure resulting in a cluster acting as a single system. The cluster is setup in an isolated virtual machine on each of a number of physical nodes of the system. Customer applications are run within separate application virtual machines on one physical node at a time and are run independently and unaware of their configuration as part of a high-availability cluster. Upon detection of a failure, traffic is rerouted through a redundant node and the application virtual machines are migrated from the failing node to another node using live migration techniques.

Abstract: A transfer device includes a first portion having a first portion flange and a second portion having a second portion flange. The device also includes one or more isolating members disposed at least partially within the second portion flange and at least partially between the first portion flange and the second portion flange, the one or more isolating members electrically isolating the first portion from the second portion. The device also includes a fastener passing through one of the one or more isolating members, the first portion flange and the second portion flange and holding the first portion flange and the second portion flange in a fixed relationship to one another.

Abstract: A coupling includes a first portion configured for connection to a first shaft and having a first portion flange and a second portion configured for connection to a second shaft and having a second portion flange. The coupling also includes an isolating member disposed between the first portion flange and the second portion flange and that is formed of ceramic and electrically isolates the first portion from the second portion. The coupling also includes one or more connecting members passing through the first portion flange, the second portion flange, and the isolating member and holding the first portion flange and the second portion flange in a fixed relationship to one another.

Abstract: A method for assembling a seal assembly is provided. The method includes coupling a first ring within a vessel, coupling a second ring within the vessel, and coupling a first seal layer between the first ring and the second ring such that the first seal layer contacts at least the first ring.