Abstract: The present disclosure is directed methods for manufacturing spar caps for wind turbine rotor blades. In certain embodiments, the method includes forming an outer frame or tray of the spar cap via at least one of three-dimensional (3D) pultrusion, thermoforming, or 3D printing. As such, the outer frame has a varying cross-section that corresponds to a varying cross-section of the rotor blade along a span thereof. The method also includes arranging a plurality of structural materials (e.g. layers of pultruded plates) within the pultruded outer frame of the spar cap and infusing the structural materials and the outer frame together via a resin material so as to form the spar cap. The resulting spar cap can then be easily incorporated into conventional rotor blade manufacturing processes and/or welded or bonded to an existing rotor blade.

Abstract: Techniques are disclosed for systems and methods to provide casting guidance for users of mobile structures, including watercraft. A casting guidance system includes a sonar transducer assembly and a logic device configured to communicate with the sonar transducer assembly. The sonar transducer assembly is adapted to be mounted to a mobile structure and placed in a body of water. The logic device is configured to identify one or more underwater targets in sonar data received from the sonar transducer assembly, determine casting guidance parameters corresponding to the one or more identified underwater targets, and generate at least one casting guidance identifier based, at least in part, on the determined casting guidance parameters. Subsequent user input, the sonar data, and/or the casting guidance parameters may be used to adjust a steering actuator, a propulsion system thrust, and/or other operational systems of the mobile structure.

Abstract: The present disclosure is directed to a method for forming a wind turbine rotor blade. The method includes placing first and second prefabricated skin panels defining a portion of a root section of the wind turbine rotor blade, a pressure side of the wind turbine rotor blade, or a suction side of the wind turbine rotor blade in a mold. The first and second prefabricated skin panels partially overlap to define a connection region. A vacuum bag is placed over the mold. The connection region is infused with a resin.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for generating a data entity that causes a processing unit to process a computational graph. In one aspect, method includes the actions of receiving data identifying a computational graph, the computational graph including a plurality of nodes representing operations; obtaining compilation artifacts for processing the computational graph on a processing unit; and generating a data entity from the compilation artifacts, wherein the data entity, when invoked, causes the processing unit to process the computational graph by executing the operations represented by the plurality of nodes.

Abstract: Electronic navigation systems may be provided with user and/or demo profiles. Each user or demo profile may define a specific settings regarding display layout, user preferences, and various functions and features displayed or provided at an electronic navigation system. A user profile may define specific display preferences on a menu screen for a profile owner. A demo profile may define specific functions/features displayed on a screen for demonstrating use with a specific type of vehicle or a specific type of activity. Each demo profile also may store simulation data that allow the electronic navigation system to simulate the use of the navigation system with a specific type of vehicle or a specific type of activity. The electronic navigation system may allow users to create a new profile, edit an existing profile, and/or activate or deactivate an existing profile.

Abstract: A system for displaying a product is disclosed. The system includes a wall having a recess therein and a display structure that defines the recess. The display structure extends through a front surface of the wall and includes a frame having a top panel, a bottom panel, and two side panels. The top and bottom panels are longer than the side panels. The system further includes a plurality of modular display units disposed within the display structure. Each modular display unit extends from the bottom panel to the top panel. At least a first one of the modular display units includes a frame open to a front exterior of the display structure and at least a second one of the modular display units is not open to the front exterior of the display structure. The system further includes a plurality of display elements disposed within the plurality of display units.

Abstract: Rotor blades for a wind turbines include a structural support member disposed internal the rotor blade that extends for at least a portion of a rotor blade span length and an airfoil structure supported by the structural support member, the airfoil structure comprising a shell portion and at least one load-transferring exterior panel. The shell portion and the at least one load-transferring exterior panel combine to form an aerodynamic profile comprising a leading edge opposite a trailing edge and a pressure side opposite a suction side. Moreover, the shell portion and the at least one load-transferring exterior panel are independently connected to the structural support member.

Abstract: Systems and methods for stabilizing an aircraft in response to a yaw movement are provided. In one embodiment, a method includes detecting a yaw movement of the aircraft. The yaw movement can cause a front portion of the aircraft to move towards a first side of the aircraft. The method can further include, in response to the yaw movement, initiating a trim process resulting in a thrust differential. The trim process can include increasing thrust in one or more engines on the first side of the aircraft and decreasing thrust in one or more engines on a second side of the aircraft. The method can include controlling the trim process based at least in part on a detected yaw movement of the aircraft.

Abstract: A medical fluid delivery system in one embodiment includes: a first medical fluid delivery machine configured to generate a first message for remote transmission to a first patient or caregiver indicating (i) that the first medical fluid delivery machine is ready to perform a task or (ii) a preprogrammed time for the first medical fluid delivery machine to perform a task; and a second medical fluid delivery machine configured to generate a second message for remote transmission to a second patient or caregiver indicating (i) that the second medical fluid delivery machine is ready to perform a task or (ii) a preprogrammed time for the second medical fluid delivery machine to perform a task.

Abstract: Techniques are disclosed for systems and methods to provide three dimensional volume rendering of volume data for use when operating mobile structures. A three dimensional volume rendering system includes a logic device configured to communicate with a user interface and receive volume data from a volume data source. The logic device is configured to render a three dimensional) representation of the volume data on a display of the user interface according to a view perspective, render an indicator key on a first two dimensional plane overlaid in the 3D representation, detect a change condition, and rotate the indicator key about a rotational axis in response to the detected change condition.

Abstract: The present disclosure is directed methods for modifying molds of rotor blades of a wind turbine. In certain embodiments, the blade mold is constructed, at least in part, of a thermoplastic material optionally reinforced with a fiber material. In one embodiment, the method includes identifying at least one blade mold addition for the mold of the rotor blade and positioning the blade mold addition at a predetermined location of the mold of the rotor blade. Further, the blade mold addition is constructed, at least in part, of a thermoplastic material. Thus, the method includes applying at least one of heat, pressure, or one or more chemicals at an interface of the blade mold addition and the mold so as to join the blade mold addition to the mold. In further embodiments, the methods described herein are also directed repairing thermoplastic blade molds.

Abstract: The present disclosure is directed to a root assembly for a rotor blade of a wind turbine and methods of manufacturing same. The root assembly includes a blade root section having an inner sidewall surface and an outer sidewall surface separated by a radial gap, a plurality of root inserts spaced circumferentially within the radial gap, and a plurality of spacers configured between one or more of the root inserts. Further, each of the root inserts includes at least one bushing surrounded by a pre-cured or pre-consolidated composite material. In addition, the spacers are constructed of a pre-cured or pre-consolidated composite material.

Abstract: In various embodiments, the present invention provides an improved apparatus and method for quantification of fluid loss from a nominally closed system using a pressure decay with mass point leak rate analysis methodology, which avoids the need for repetitive testing due to test configuration incompatibilities and allows for real time analysis and test control based upon desired results. The novel apparatus and methods of the present invention utilize a control system to maintain a desired pressure differential across the test article throughout the test by automatically raising or lowering the downstream pressure as the fluid leaks through the test article. In various embodiments, the apparatus and method of the present invention improves the efficiency of existing test methods by shortening otherwise long test durations, right-sizing the amount of data collected, providing quantifiable and controllable measurement uncertainty, reducing statistical variance, and eliminating post-process data analysis.

Abstract: A dental cleaning appliance includes a handle; an electronic display, and a control circuit for activating the display. The handle includes a body and a transparent panel connected to the body. The panel defines a trough-shaped recess beneath which the display is located.

Abstract: A dental cleaning appliance includes a handle, a display, and a control circuit for activating the display. The handle includes a body which is gripped by a user during use of the appliance, a transparent panel beneath which the display is located, and a layer of reflective material disposed on an external surface of the panel and through which, during use, the activated display is visible to the user.

Abstract: A dental cleaning appliance includes a fluid reservoir for storing working fluid, a nozzle for delivering working fluid to the teeth of a user, a light source for illuminating the fluid reservoir and a control circuit for activating the light source to generate an alert which is conveyed to the user through the illumination of the fluid reservoir.

Abstract: A rotor blade may generally include a shell forming an outer skin of the blade, with the shell defining a chordwise curvature. The rotor blade may also include a spar cap extending within the shell along a spanwise direction of the blade. The spar cap may be formed from an assembly of pre-cured laminate plates. In addition, the rotor blade may include an interior shelf positioned directly between the shell and the spar cap. The interior shelf may include an outer surface extending adjacent to the shell and an inner surface opposite the outer surface. The outer surface may define a curved profile generally corresponding to a portion of the chordwise curvature of the shell and the inner surface may define a planar surface along which the spar cap extends in a chordwise direction of the blade. The interior shelf may correspond to a pre-fabricated insert for the blade.

Abstract: A blade segment for a wind turbine rotor blade may generally include a body shell terminating at a joint end. The body shell may include a pressure side and a suction side extending between a leading edge and a trailing edge. The blade segment may also include a plurality of pressure side tubes extending adjacent to the pressure side of the body shell and a plurality of suction side tubes extending adjacent to the suction side of the body shell, with the plurality of pressure side tubes being spaced apart from the plurality of suction side tubes along a flapwise direction of the rotor blade.

Abstract: A system for displaying a product is disclosed. The system includes a wall having a recess therein and a display structure that defines the recess. The display structure extends through a front surface of the wall and includes a frame having a top panel, a bottom panel, and two side panels. The top and bottom panels are longer than the side panels. The system further includes a plurality of modular display units disposed within the display structure. Each modular display unit extends from the bottom panel to the top panel. At least a first one of the modular display units includes a frame open to a front exterior of the display structure and at least a second one of the modular display units is not open to the front exterior of the display structure. The system further includes a plurality of display elements disposed within the plurality of display units.