Abstract: A system includes a quantum light device comprising a light source configured to emit a plurality of pairs of photons, wherein each pair of photons of the plurality of pairs of photons occupies a quantum entangled state. The system also includes optical circuitry configured to receive a first set of photons and a second set of photons. A set of photon detectors may receive the first set of photons and the second set of photons from the optical circuitry. Additionally, the system may include processing circuitry configured to determine, based on a set of time signals corresponding to each photon detector of the set of photon detectors, whether a time delay value exists in which a Clauser, Home, Shimony and Holt (CHSH) parameter is greater than a threshold CHSH parameter value.

Abstract: A system and method for adaptively controlling a cooldown cycle of an auxiliary power unit (APU) that is operating and rotating at a rotational speed includes reducing the rotational speed of the APU to a predetermined cooldown speed magnitude that ensures combustor inlet temperature has reached a predetermined temperature value, determining, based on one or more of operational parameters of the APU, when a lean blowout of the APU is either imminent or has occurred, and when a lean blowout is imminent or has occurred, varying one or more parameters associated with the shutdown/cooldown cycle.

Abstract: A method of tuning an electrically small antenna comprising a radiating element and a support structure comprises applying a force to the support structure to change a shape or a dimension of the radiating element to increase or decrease a frequency at which the electrically small antenna resonates.

Abstract: Devices, methods, and systems of a self-testing duct environment detector are described herein. One self-testing duct environment detector system includes a first portion to be mounted outside of a duct, the first portion having a detector housing with a space therein, the space having a detector with a sensing chamber and a self-testing sensing apparatus therein, wherein the self-testing sensing apparatus determines whether airflow through the detector housing is above a threshold and a second portion and third portion each configured to extend into the duct, wherein the second portion has at least one inlet aperture formed therein and wherein the third portion has at least on outlet aperture therein.

Abstract: Embodiments relating to an integrated photonics air data system are disclosed. A light beam from a laser source is routed to a plurality of tunable optical filters operative to transmit the light beam to one of a plurality of emitting grating couplers at any given time. The tunable optical filters are configured such that the light beam is emitted into the region of interest at different times from each of the emitting grating couplers. A passive optical filter array is configured to receive scattered light from the emitted light beam. The passive optical filter array comprises a plurality of optical notch filters operative for frequency selection, and a plurality of optical detectors each respectively coupled to an output of one of the optical notch filters. The passive optical filter array is operative to perform frequency spectrum decomposition of the received scattered light into a plurality of signals.

Abstract: Various embodiments illustrated herein disclose a full body harness that includes a connector. The connector includes a first plate and a second plate, where the first plate is identical to the second plate. The first plate and the second plate includes a plurality of slits to facilitate passage of a first harness and a second harness there through. The first plate is rotatably coupled to the second plate such that they are rotatable with respect to each other. Such a connector automatically enables easy adjustment of the harness based on an activity of a user who is wearing the harness.

Abstract: An injector module includes an injector stem that extends along an injector longitudinal axis between an inlet end and an outlet end of the injector module. The injector module also includes a first fuel line of a first fuel circuit at least partly extending through the injector stem. The first fuel line has a first outlet disposed at the outlet end of the injector stem. The injector module further includes a second fuel line of a second fuel circuit at least partly extending through the injector stem. The second fuel line has a second outlet disposed at the outlet end of the injector stem. The first outlet and the second outlet are spaced apart and have different orientations relative to the injector longitudinal axis. The first fuel line is thermally coupled to the second fuel line.

Abstract: Impurities such as sulfur dioxide (SO2) are removed from trifluoroacetyl chloride (TFAC) through distillation, adsorption, or a combination thereof, and/or including the formation of an azeotrope or azeotrope-like composition including effective amounts of sulfur dioxide (SO2) and trifluoroacetyl chloride (TFAC). The trifluoroacetyl chloride (TFAC) thus purified may then be used in the manufacture of trifluoroiodomethane (CF3I). Also disclosed are azeotropes and azeotrope like compositions of sulfur dioxide (SO2) and trifluoroacetyl chloride (TFAC).

Abstract: A launch lock system includes a first portion rigidly coupled to the second portion in a first state and the first portion movable in all directions relative to the second portion in a second state. The launch lock system includes a fastener subassembly coupled to the second portion, and the fastener subassembly is movable relative to the second portion from a first position to a second position. The launch lock system includes at least one pivot arm subassembly having a pivot arm movable between a first position and a second position. The pivot arm is coupled to the first portion in the first position. In the first state, the pivot arm is in the first position and cooperates with the fastener subassembly in the first position, and in the second state, the pivot arm is uncoupled from the first portion and the fastener subassembly.

Abstract: A system and method of creating a shape-conforming lattice structure for a part formed via additive manufacturing. The method includes receiving a computer model of the part and generating a finite element mesh. A lattice structure including a number of lattice cellular components may also be generated. Some of the mesh elements of the finite element mesh may be deformed so that the finite element mesh conforms to the overall shape of the part. The lattice structure may then be deformed so that the lattice structure has a cellular periodicity corresponding to the finite elements of the finite element mesh. In this way, the part retains the benefits of its overall shape and the benefits of lattice features without introducing structural weak points, directional stresses, and other structural deficiencies.

Abstract: In an example, a node in a network includes four ports coupled to respective nodes via respective links. A first port and a third port are coupled to respective nodes via respective near links and a second port and a fourth port are coupled to respective nodes via respective skip links. The node further includes at least one processor configured to send a first message in a first direction via the second port, and the first message includes a first destination address that corresponds to the second side of the node. The at least one processor is further configured to send a second message in a second direction via the fourth port, and the second message includes a second destination address that corresponds to the first side of the node.

Abstract: Apparatuses, systems, methods, and computer program products for flame detection are provided. An example of a flame detection apparatus includes an infrared sensor to generate infrared sensor data and a thermal camera to capture one or more thermal images and generate thermal image data. The flame detection includes detecting if a flame is present in an environment based on the infrared sensor data and the thermal image data, including determining if one or more false alarms are present. The flame detection may also be based one or more spectral features or thermal features.

Abstract: Devices, systems, and methods for providing point heat detectors based on surface mounted thermistors are described herein. One circuit board for a point heat detector of a fire sensing system includes a circuit board body having number of corners, at least one hole provided in the circuit board body proximate to one of the corners, and a surface mounted thermistor mounted on at least one corner.

Abstract: Methods, apparatuses and systems for providing a switching component are disclosed herein. An example switching component may comprise: A switching component comprising: a housing; a carrier body disposed within the housing; a first pair of contact pads disposed on a first surface of the carrier body; and a second pair of contact pads disposed on a second surface of the carrier body, wherein each pair of contact pads is configured to independently make contact with adjacent bridge contact pads in order to actuate an electrical bridge in response to movement of the carrier body.

Abstract: An implementation is for one or more hardware-based non-transitory memory devices storing computer-readable instructions which, when executed by the one or more processors disposed in a computing device, cause the computing device to monitor a logic block and a memory block to detect a fault condition, determine a subset of the logic block or the memory block that is impacted by the fault condition, and perform at least one action on the logic block and the memory block.

Abstract: A method for creating a Controller-Pilot Data Link Communications message (CPDLC message) is provided. The method includes receiving a request on a user interface of an avionics device to create the CPDLC message; displaying a menu with a plurality of types of CPDLC messages in a panel body on the user interface; receiving a selection of one of the plurality of types of CPDLC messages through the menu; populating the panel body with fields configured to gather data for the CPDLC message based on the selection; and creating the CPDLC message based on the data.

Abstract: To facilitate improved CPDLC interfacing, report messages can be automatically armed and displayed in a threaded message format in the same message panel with other CPDLC messages between a vehicle and a ground system. Upon determining that a report is needed based on an uplink CPDLC message from the ground system, a report message label is displayed on the CPDLC message panel. Once the report is ready, it is automatically armed and the report message label indicates to the operator that the report message is ready to be sent. The operator can also select the report message label in the message panel to display the report message.

Abstract: In one example, a system includes HMI(s) and processor(s) communicatively coupled to the HMI(s) and a non-transitory computer-readable medium on which CPDLC interface instructions are stored. The CPDLC interface instructions are executable by the processor(s) and, when executed by the processor(s), cause the processor(s) to: generate a CPDLC GUI on the HMI(s), the CPDLC GUI configured to display icons representing a subnetwork, a Current Data Authority (CDA), and a Next Data Authority (NDA) for the CPDLC connection; in response to receiving a command via the CPDLC GUI to log on to a CPDLC session, establish the CPDLC connection with a ground station using the subnetwork and the CDA; generate an indicator or a button in a header of the CPDLC GUI that includes an indication of the subnetwork, the CDA, and the NDA for the CPDLC connection.

Abstract: A method for displaying CPDLC messages on a user interface is provided. The method includes receiving a CPDLC message for display on the user interface; determining whether the CPDLC message has a message reference number (MRN); if the CPDLC message does not have an MRN, displaying the CPDLC message in a first column in a panel body of the user interface if the CPDLC message is a downlink CPDLC message or in a second column in the panel body if the CPDLC message is an uplink CPDLC message; if the CPDLC message does have an MRN, identifying a prior CPDLC message having the MRN as a message identification number (MIN) for the prior CPDLC message; identifying whether the prior CPDLC message is in the first or the second column; and displaying the CPDLC message in an opposite column from the prior CPDLC message.

Abstract: To facilitate improved CPDLC interfacing, a task list is generated with task label(s) corresponding to at least one task that must be completed before establishing a CPDLC session. The task list occupies a portion of the same message panel that enables logon to the CPDLC session. When a task is completed, an indicator such as a checkmark can be displayed next to the associated task in the task list to indicate to the operator which tasks are completed. In some embodiments, the task label is removed from the task list once the associated task is completed, and when all tasks are completed, the task list is removed entirely from the message panel.