Abstract: A method and apparatus for a rotor assembly. The rotor assembly includes a rotor core having a rotatable shaft and defining at least one rotor post, a winding wound around the post that defines an end turn, and at least one coolant conduit defined in part by an end support and in a thermally conductive relationship with a portion of the winding.

Abstract: An air turbine starter (ATS) assembly includes a rotatable pinion gear (72) wherein the rotatable pinion gear is coupled to a combustion engine (10), a speed sensor (78) measuring the rotational speed (302) of the rotatable pinion gear (72), a torque sensor (79) providing a torque output (304) indicative of a torque experienced by the pinion gear (72), and a controller module configured to operate a starting sequence for the ATS assembly such that the rotational speed (302) is controllably increased while the torque output (304) is kept below the start sequence torque threshold (310).

Abstract: Generation of scripts that facilitate execution of tasks within different run-time environments that utilize different languages and syntax is provided herein. A system comprises a memory that stores executable components and a processor, operatively coupled to the memory, that executes the executable components. The executable components comprise an identification manager component that identifies one or more elements of input data. The input data can comprise test data that comprises respective identifications of an input variable, an output variable, a test vector comprising an initial value of a test input, and an expected output variable against which test results are compared. The executable components can also comprise a template tool component that generates output data that facilitates execution of tasks within different run-time environments that utilize different languages and syntax.

Abstract: Techniques for establishing a establishing of a high-bandwidth data connection with an aircraft using highly directional EM beam shaped transmissions are provided. In one example, a method comprises: determining a first line of sight that is unobstructed to an antenna of an aircraft, establishing a wireless data connection having a defined data transfer rate between the aircraft and the communication device using highly directional EM beam shaped transmissions along the unobstructed line of sight, transferring a defined amount of data between the aircraft and the communication device using the wireless data connection.

Abstract: A method for slow starting a reciprocating engine having a crankshaft, piston, and piston chamber is disclosed. The method includes applying a force to the crankshaft, sensing an engine characteristic, and determining if an error or fault is present in the engine.

Abstract: Methods, apparatus, systems and articles of manufacture are disclosed for distributed, multi-node, low frequency radar systems for degraded visual environments. An example system includes a transmitter to transmit a radar signal. The example system includes a distributed network of radar receivers to receive the radar signal at each receiver. The example system includes a processor to determine a first range and a first angular position of a background point based on return time, wherein the first range and the first angular position are included in first data; determine a second range and a second angular position of the background point based on doppler shift, wherein the second range and the second angular position are included in second data; determine a refined range and a refined angular position, wherein the refined range and refined angular position are included in third data, and generate a radar map based on third data.

Abstract: A jet engine assembly includes a jet engine having at least one spool and a generator. The generator comprising a rotor and a stator, with the rotor being operably coupled to the at least one spool, and an electronic commutator controlling the rotation of a magnetic field of the rotor such that the electric motor generates electricity. Also, a method of generating electricity from a generator having a stator and a rotor, the method comprising controlling a rotation of a magnetic field to generate electricity.

Abstract: A thermal imaging system is provided. The system can include one or more thermal imaging devices, and a turn event controller in operative communication with the one or more thermal imaging devices. The turn event controller can be configured to obtain one or more vehicle parameters associated with an aerial vehicle and obtain one or more thermal images associated with the aerial vehicle during at least one phase of a turn of the aerial vehicle at an airport. The turn event controller can also be configured to process the one or more thermal images based on the one or more vehicle parameters to detect anomalies associated with the turn of the aerial vehicle, and generate, in response to detecting one or more anomalies, one or more signals indicative of the one or more anomalies.

Abstract: Systems and methods for reducing switching losses in an electrical system in an aircraft are provided. In one example implementation, a method can include receiving DC power at an inverter of an electrical power system of an aircraft. The inverter can be a multiphase inverter having at least one bridge circuit for each output phase of the inverter. Each bridge circuit can include a plurality of switching elements. The method can include generating, by one or more control devices, a plurality of duty cycle commands for operation of the plurality of switching elements for each bridge circuit. The method can include operating, by the one or more control devices, the inverter in accordance with the plurality of duty cycle commands to generate a multiphase AC power output from the inverter. The plurality of duty cycle commands can be generated at least in part using a space vector modulation process.

Abstract: A stator core and method of forming a stator assembly for an electric machine, including a cylindrical stator core, a set of posts extending radially inward from the stator core defining a set of slots between adjacent posts, and a set of windings formed by conductive wire wound in a fewer than all of the set the slots, defining a first subset of wound slots and a second subset of empty slots.

Abstract: A conductor a method of forming a conductor can include providing a hollow base conductor defining a fluid channel along the base conductor, and a solid conductor arranged about the perimeter of the hollow base conductor, wherein the fluid channel can be configured to allow a fluid to flow via the channel.

Abstract: Electrical machines, components thereof, and methods for manufacturing the same are provided. In one aspect, methods for additively manufacturing a rotor assembly for an electrical machine is provided. The method includes additively printing the rotor core and shaft of the same material composition. In another aspect, an electrical machine is provided. The electrical machine includes a stator assembly that includes a stator core having a plurality of poles with magnetic slot wedges positioned between adjacent poles to reduce tooth harmonics. The electrical machine also includes a rotor assembly having a rotor core that is formed as a solid core. In yet another aspect, a rotor assembly for an electrical machine is provided that includes slots that reduce eddy current losses in the rotor core during operation of the electrical machine.

Abstract: A power distribution system, includes a first current loop connected with a set of low voltage electrical loads, a second current loop connected with a set of high voltage electrical loads, at least two generator systems having respective power outputs, and a controller module configured to selectively connect the respective power outputs to at least one of the first or second current loops.

Abstract: A method and apparatus for heat-dissipation a structure having a first and second surface. The first surface defines a heat absorbing surface having a plurality of cavities and a heat absorbing coating applied to the first surface and within the cavities. Additionally, a set of etchings can be provided on the first surface to increase absorption. The cavities can be pyramidal, hexagonal, or conical shapes, for example.

Abstract: A SOM circuit board includes a main body having a first face surface, an opposing second face surface, a first side surface, an opposing second side surface, a first end surface, and an opposing second end surface. The first and second side surfaces have maximum lengths along a longitudinal direction which are greater than maximum lengths of the first and second end surfaces along a lateral direction. The SOM circuit board further includes a plurality of computing components, each of the plurality of computing components mounted on one of the first face surface or the second face surface. The SOM circuit board further includes an input/output connector mounted on the second face surface. The SOM circuit board further includes a plurality of mounting holes extending along the transverse direction through and between the first face surface and the second face surface.

Abstract: An apparatus and method relating to a cooling adapter having a housing with at least one mounting aperture and including at least one cooling manifold comprising an inlet plenum having at least one inlet for entry of a cooling fluid, an outlet plenum having at least one outlet for exhausting the cooling fluid, and a plurality of channels disposed between the inlet channel and the outlet channel for allowing the cooling fluid to move therebetween.

Abstract: A solid hydrogen reaction system and method of liberating hydrogen gas includes the utilization of a reactor having a body that defines a reaction chamber, having a first narrow end and a second wider end such that the reactor has an increasing cross-sectional area from the first end toward the second end, for facilitating a reaction to liberate hydrogen gas stored in a hydrogen storage solid located within the reaction chamber.

Abstract: Systems and methods for recording and communicating engine data are provided. One example embodiment is directed to a system for testing communications. The system includes an electronic engine controller. The system includes a wireless communication unit in communication with the electronic engine controller. The wireless communication unit includes one or more memory devices. The wireless communication unit includes one or more processors. The one or more processors are configured to provide a resource to a remote computing device. The one or more processors are configured to receive input from the remote computing device via the resource. The one or more processors are configured to cause a connectivity test to be performed in response to the received input. The one or more processors are configured to transmit a result of the connectivity test to the remote computing device.

Abstract: A data communications network having a plurality of remote input units providing data, a data server for storing data, and subscriber units consuming data. The data communications network controls and manages the receipt of the data originating from the remote input, the processing of the data in a form suitable for the subscriber units, and the distribution of the processed data to the subscriber units.

Abstract: A stator support 40 for an electric machine 10 includes a radial cut 70 in a support ring 46 that releases hoop stress in the support ring 46 and enables more radial displacement during heating and cold soak cycles in the stator 12, 16, thereby allowing a larger range of thermal conditions for the electric machine 10.