Abstract: A low-profile, automated guided vehicle (AGV) performs surface treatments over large areas of a structure having limited access, such as an aircraft underbelly. The AGV includes a movable gantry provided with automated robot. The robot has interchangeable end effectors for carrying out the surface treatments. Travel of the AGV relative to structure is controlled by a ground guidance system.

Abstract: A mobile fixture configured to move a structure in a manufacturing environment may include a motorized base configured to move on a surface and a support system connected to the motorized base, the support system being configured to support the structure, the support system being configured to position the structure along at least one of an X-axis, a Y-axis, and a Z-axis, the support system being configured to position the structure about the Z-axis, and the support system being configured to provide free rotation of the structure about at least one of the X-axis and the Y-axis.

Abstract: A mobile fixture configured to move a structure in a manufacturing environment may include a motorized base configured to move on a surface and a support system connected to the motorized base, the support system being configured to support the structure, the support system being configured to position the structure along at least one of an X-axis, a Y-axis, and a Z-axis, the support system being configured to position the structure about the Z-axis, and the support system being configured to provide free rotation of the structure about at least one of the X-axis and the Y-axis.

Abstract: Disclosed are polyethylene polymers with good melt strength that can provide enhanced properties for compositions including such polyethylene polymers and films made therefrom.

Abstract: A method and apparatus for performing an operation on a work surface of a structure. The apparatus may comprise a motion platform and an overhead support system. The motion platform may be configured to be positioned above the work surface of the structure to perform the operation on the work surface. The overhead support system may be configured to carry the motion platform across a floor of a manufacturing environment from a first location to a second location.

Abstract: A method relates to identifying, by a processing device, a plurality of source code objects associated with an open source product stored in a version-controlled code repository, determining a first subset of the plurality of source code objects associated with a respective commit identifier indicating that each of the first subset of the plurality of source code objects is committed to the version-controlled code repository, determining a second subset of the plurality of source code objects not associated with any commit identifier of the version-controlled code repository, labeling each of the first subset of the plurality of source code objects as an upstream source code object, and labeling each of the second subset of the plurality of source code objects as a non-upstream source code object.

Abstract: A system and method of producing polyethylene, including: polymerizing ethylene in presence of a catalyst system in a reactor to form polyethylene, wherein the catalyst system includes a first catalyst and a second catalyst; and adjusting reactor conditions and an amount of the second catalyst fed to the reactor to control melt index (MI), density, and melt flow ratio (MFR) of the polyethylene.

Abstract: A method and apparatus for performing an operation on a surface of a structure. An assembly system may comprise a motion platform and a mobile platform. The motion platform may be configured to be positioned below the surface of the structure to perform the operation on the surface. The mobile platform may be configured to carry the motion platform across a floor of a manufacturing environment from a first location to a second location.

Abstract: A method for distributing energy to a group of ground-based machines. The energy is supplied to the group of ground-based machines through a pattern of inductive power transfer lines physically associated with a ground in a work area. Operations are performed with the group of ground-based machines in the work area. The group of ground-based machines moves in the work area without following a path based on the inductive power transfer lines.

Abstract: Polymer compositions that include an ethylene-based polymer and a broad molecular weight distribution propylene-based polymer having a melt strength of 20.0 cN to 200.0 cN; and optionally, a propylene-based elastomer are described. The invention also includes articles, such as films, produced from such compositions and methods of making such compositions and methods of improving melt strength.

Abstract: A method relates to identifying, by a processing device, a plurality of source code objects associated with an open source product stored in a version-controlled code repository, determining a first subset of the plurality of source code objects associated with a respective commit identifier indicating that each of the first subset of the plurality of source code objects is committed to the version-controlled code repository, determining a second subset of the plurality of source code objects not associated with any commit identifier of the version-controlled code repository, labeling each of the first subset of the plurality of source code objects as an upstream source code object, and labeling each of the second subset of the plurality of source code objects as a non-upstream source code object.

Abstract: A low-profile, automated guided vehicle (AGV) performs surface treatments over large areas of a structure having limited access, such as an aircraft underbelly. The AGV includes a movable gantry provided with automated robot. The robot has interchangeable end effectors for carrying out the surface treatments. Travel of the AGV relative to structure is controlled by a ground guidance system.

Abstract: The present invention relates to a cast film comprising a composition comprising more than 25 wt % (based on the weight of the composition) of one or more linear ethylene polymers having a g?vis of 0.97 or more and an Mw of 20,000 g/mol or more and at least 0.1 wt % of a branched modifier where the modifier has a) a g?vis of 0.90 or less; b) an Mw of 100,000 g/mol or more; c) an Mw/Mn of 3.0 or more; d) an Mz/Mn of 7.0 or more; e) a shear thinning ratio of 40 or more; and f) an I21 of 20 dg/min or less; where the film has at least a 10% reduction in neck-in as compared to the same composition formed into a film under the same conditions, except that the branched modifier is absent.

Abstract: Processes are disclosed for oxygen-tailoring polyethylene, particularly polyethylenes suitable for wire and cable applications. One process includes conveying a first polyethylene having a melt index ?5.0 and an MWD ?5.0 through mixing or extrusion apparatus having a feed zone, a melt-mixing zone downstream of the feed zone, and a melt zone downstream of the melt-mixing zone, wherein the temperature of the first polyethylene in the melt zone ranges from about 180° C. to about 300° C.; and contacting the first polyethylene with an amount of an oxygen-containing gas having at least about 20.0 parts by weight oxygen per million per parts by weight of the first polyethylene (ppm (wt) O2). Polyethylene compositions having improved properties, particularly for wire and cable applications are disclosed.

Abstract: Systems and methods for movement of objects are provided. One system includes a plurality of vehicles configured to support the object, wherein each of the vehicles includes omni-directional wheels and a height adjusting device. The system also includes a control system in communication with the plurality of vehicles, wherein the control system is configured to transmit a signal to the plurality of vehicles instructing the plurality of vehicles to move the object in a predetermined direction along the floor. Each of the plurality of vehicles is configured to adjust at least one of a direction of movement using the omni-directional wheels or a height at which the object is supported while moving the part in the predetermined direction using the height adjusting device.

Abstract: The invention relates to systems and methods for creating a foamed part. An example method includes providing a polymer processing system, providing a mold having at least one expandable mold cavity in fluid communication with the polymer processing system, mixing polymeric material and blowing agent within the polymer processing system to produce a unfoamed mixture, injecting a volume of the mixture of polymeric material and blowing agent from the polymer processing system and into the expandable mold cavity, and expanding the mold cavity to expand the unfoamed mixture within the mold cavity and form a foamed preform. Thereafter, the foamed preform may be inserted into a compression mold to press-form the foamed preform into a finished part.

Abstract: A method and apparatus for performing an operation on a work surface of a structure. The apparatus may comprise a motion platform and an overhead support system. The motion platform may be configured to be positioned above the work surface of the structure to perform the operation on the work surface. The overhead support system may be configured to carry the motion platform across a floor of a manufacturing environment from a first location to a second location.

Abstract: A method and apparatus for maintaining a selected configuration for a structure during a manufacturing process for forming a product using the structure. Metrology data for a support system is received. The support system holds the structure during the manufacturing process. A determination is made as to whether a current configuration of the structure is within selected tolerances of the selected configuration for the structure based on the metrology data. The support system is reconfigured to move the structure into the selected configuration in response to a determination that the current configuration of the structure is not within the selected tolerances of the selected configuration for the structure.

Abstract: A method and apparatus for performing an operation on a surface of a structure. An assembly system may comprise a motion platform and a mobile platform. The motion platform may be configured to be positioned below the surface of the structure to perform the operation on the surface. The mobile platform may be configured to carry the motion platform across a floor of a manufacturing environment from a first location to a second location.

Abstract: A method and apparatus for supporting a structure. The apparatus may comprise a support, a load-balancing structure associated with the support, and a set of connection devices associated with the load-balancing structure. The set of connection devices may be configured to connect to the structure to form a set of control points. Each of the set of connection devices may be configured to independently control a location of a corresponding control point in the set of control points.