Abstract: Various embodiments are directed to a protective helmet comprising: a protective shell having a substantially dome-shaped configuration, the protective shell comprising: an outer shell surface; an inner shell surface; and at least one groove extending along at least a portion of the inner shell surface, wherein the at least one groove is embodied as a material recess within a wall thickness; wherein a ratio of the shell thickness at a first shell location adjacent the at least one groove to the groove depth of the at least one groove is at least a predetermined threshold value. In various embodiments, a protective helmet may further comprise an impact cap and/or an inner ring, one or both of which may comprise a respective groove configuration. In various embodiments, the one or more groove configurations may be configured to reduce the helmet weight of the invention by at least 15%.

Abstract: Flight guidance methods, systems, and aircraft systems providing assist-to-land and emergency land (EL) functions. The method includes generating a visual indication of the availability and status of an assist-to-land function and an EL function when the current altitude of the aircraft exceeds an altitude threshold. When in assist-to-land, visual and audible flight guidance can be generated to guide the pilot to a safe landing at a selected runway or at a best runway for the conditions. Functions can be activated by user manipulations of interface objects and/or by software determinations. Software determinations to enter the EL function can automatically control the flying of the aircraft along an approach profile to a safe landing at a nearest suitable airport. EL determinations can be made based on pilot incapacitation.

Abstract: Various embodiments are directed to an adjustable insole for a footwear article. In various embodiments, the adjustable insole comprises an insole body comprising a heel bottom cavity defined by a cavity opening provided along an insole body bottom surface; and a removeable heel bottom insert configured to be disposed within the heel bottom cavity such that a first insert portion is disposed within the heel bottom cavity and a second insert portion defines a lowermost surface of the adjustable insole, the removeable heel bottom insert having a selectively adjustable configuration relative to the insole body that is defined by an arrangement of the removeable heel bottom insert within the heel bottom cavity in one of a nominal position and a rotated position defined relative to the nominal position by a rotation of the removeable heel bottom insert through an angle of rotation of at least approximately 90 degrees.

Abstract: A system for detecting satellite signal spoofing using error state estimates is provided. The system includes at least one satellite receiver to receive satellite signals, at least one memory and at least one controller. The at least one memory is configured to store at least operation instructions. The at least one controller is in communication with the at least one satellite receiver and the at least one memory. The at least one controller is configured to determine state estimates from the received satellite signals. The at least one controller is further configured to determine error state estimates based at least in part on differences in current state estimates and differences in delayed state estimates. The controller further configured to determine if spoofing is occurring in one more of the received satellite signals when the error state estimates are greater than a select threshold.

Abstract: A process for the treatment of sulfidic spent caustic, conditioned catalyst regeneration vent gas, C4 isomerization off gas, various and hydrocarbon containing liquid and gaseous streams in addition to toxic containing streams like cyanidic off gas and waste water in a propane/butane dehydrogenation complex is described. Various effluent streams are combined in appropriate collection vessels, including an off-gas knockout drum, a hydrocarbon buffer vessel, a spent caustic buffer vessel, an optional a waste water buffer vessel, and a fuel gas knockout drum. Streams from these vessels are sent to a thermal oxidation system.

Abstract: Systems and methods for converting voice to text messages in an aircraft. The systems and methods transcribe voice messages between a member of the flight crew and Air Traffic Control (ATC) to provide ATC text messages, transcribe a voice-automatic terminal information service report (voice-ATIS) to provide an ATIS text report, determine flight context data based at least on an analysis of the ATC text messages, determine relevant ATIS data from the ATIS text report using the flight context data, and render a visual User Interface (UI) including at least some of the ATC text messages and at least some of the relevant ATIS data on the same ATC transcription page.

Abstract: A system includes a flow tube configured to receive a flow measured by an ultrasonic flow measurement, wherein a center region of the flow tube is configured to have a drop in pressure. The system also includes a heat source/hot wire and temperature sensors configured to enable a flow measured by a thermal massflow measurement. In the system, a controller is configured to compare the flow measured by the ultrasonic flow measurement to the flow measured by the thermal massflow measurement. The controller determines a ratio of the flow measured by an ultrasonic flow measurement to the flow measured on by the flow measurement based on thermal massflow. The controller also calculates a density, a thermal conductivity and an energy and/or gas content of the gas.

Abstract: Embodiments relate generally to respirator face masks, and specifically to powered face masks which may be custom-controllable to better provide for the specific air needs of the individual user wearing the mask. For example, the face mask embodiments typically include a filter and a motorized fan, both generally located on the face mask itself, along with a processor. The processor then may use inputs, for example specific to the user and/or the environment, to control the fan speed. Thus, the fan speed of the face mask may be custom controlled to provide the appropriate amount of filtered air as the specific user needs it.

Abstract: An optical frequency comb generation system includes an optical waveguide portion having a uniform width, a first chirped Bragg grating disposed at one end of the optical waveguide portion and a second chirped Bragg grating disposed at the other end of the optical waveguide portion. The first chirped Bragg grating includes at least a first periodic variation having a first refractive index and a second periodic variation having a second refractive index. The second chirped Bragg grating includes the at least first and second periodic variations. A first cavity associated with a first resonant frequency extends between the first periodic variation of the first chirped Bragg grating and the first periodic variation of the second chirped Bragg grating. A second cavity associated with a second resonant frequency extends between the second periodic variation of the first chirped Bragg grating and the second periodic variation of the second chirped Bragg grating.

Abstract: A system and method of storing and recovering a flight plan includes loading flight plan data into working memory of an aircraft flight management system (FMS). When the FMS determines that a storage triggering event has occurred, a copy of at least a portion of the flight plan data is transmitted from the working memory to a non-volatile storage medium. A display command is supplied to a display device, at least following recovery of the FMS from a severe reset, that causes the display device to render a retrieval prompt. A retrieval command is received at the FMS, via a user input device, that causes the FMS to retrieve the at least a portion of the flight plan data from the non-volatile memory and store it in the working memory.

Abstract: Various embodiments described herein relate to providing emission optimization for industrial processes. In this regard, a set of emission constraints associated with emission optimization for an industrial domain related to one or more industrial processes that produce one or more industrial process products is determined. Additionally, an emission optimization model is configured based at least in part on the set of emission constraints and at least one other non-emission constraint. In response to receiving an emission optimization request to optimize carbon emissions related to the one or more industrial processes, the emission optimization model is applied to real-time measurement data associated with the one or more industrial processes to determine one or more operational modifications for the one or more industrial processes that at least satisfy the set of emission constraints and optimize the at least one non-emission constraint.

Abstract: A method comprises transmitting uplink messages from an AoIP ground datalink service provider to an AoIP gateway server, when an AoIP communication channel is available; determining whether the uplink messages have been received by the gateway server; storing the uplink messages in the gateway server; and notifying the datalink service provider when each uplink message is received by the gateway server. The method determines whether there are any uplink messages to be sent from the gateway server to a communications management system onboard an aircraft; sends any uplink messages, one at a time, from the gateway server to the communications management system; and transmits an acknowledgement from the communications management system to the gateway server. Each uplink message is sent from the communications management system to an onboard ACARS end system. Subsequent to each acknowledgement, a next uplink message is sent from the gateway server to the communications management system.

Abstract: Methods and systems are provided for aiding in searches with an imaging sensor from a sensor platform. The method comprises utilizing the imaging sensor to detect multiple points of interest from the sensor platform. The multiple points of interest are displayed on an image display shown on a display device. Each point of interest is labeled on the image display and analyzed separately to determine details of the point of interest. Each analyzed point of interest is tagged on the image display with a distinctive marker to indicate completion of the analysis for that point of interest.

Abstract: Systems and methods are provided for performing impact assessment of avionic parameters. External data that impacts a plurality of avionic parameters associated with a flight plan is received. Current states of each of the avionic parameters are received from at least one avionic sub-system. An impact state of each of the avionic parameters based on an impact of the external data on the current state of each of the avionic parameters is generated. A cockpit display including the impact state of at least one of the avionic parameters and an associated selectable impact detail option is generated. A determination is made regarding whether the selectable option associated with one of the at least one of the avionic parameters has been selected via an onboard input device. An impact detail display associated with the selected avionic parameter is generated based on the determination.

Abstract: Techniques for providing evacuation guidance parameters to a vehicle traversing in a geographical region in the presence of interfering GNSS signals are disclosed. In some embodiments, a vehicle can determine evacuation guidance parameters from characteristics of at least one interfering source and implement evasive maneuvers based on the evacuation guidance parameters. Alternatively, a vehicle can send characteristics of at least one interfering source to a central processing system located remotely from the vehicle, and receive evacuation guidance parameters from the central processing system.

Abstract: An apparatus and method comprising a memory containing a fault detection program and a processor operably connected to the memory and to a communication network. The communication network is connected to a plurality of processing devices through at least one communication port. The processor is configured to execute the fault detection program to send status requests on the communication network requesting the operational status of the communication port from each processing device and to receive the operational status of the communication port from each processing device. The fault detection program analyzes the received operational status of the communication ports to isolate faults in the communication network between two of the processing devices.

Abstract: An axial flux motor may include a motor housing, a shaft rotatably mounted in the housing, and a stator mounted in the motor housing, and having a stator ring and a through-hole through which the shaft extends. Two rotors may be mounted on the shaft within the motor housing on opposing sides of the stator, each rotor having a plurality of magnets arranged radially on a stator-facing surface thereof. In addition, magnet wire may be wound on portions of the stator, the magnet wire comprising an inner coolant passage disposed within a copper tube, and a green glass coating on an outer surface of the copper tube, the green glass coating comprising glass solids, one or more of surfactants, solvents, and polymers.

Abstract: A method for tuning one or more sensor devices is provided, wherein each sensor device comprises one or more proof masses configured to move in response to an external stimulus of interest, and the one or more proof masses are also susceptible to move in response to one or more stimuli other than the external stimulus of interest. Each sensor device also comprises one or more pick-off mechanisms respectively associated with each of the one or more proof masses. The one or more pick-off mechanisms is proportionally responsive to a motion of the sensor device. The method for tuning includes adjusting gain of one or more of the pick-off mechanisms to reduce an output of each sensor device when the one or more proof masses move in response to the one or more stimuli other than the external stimulus of interest.

Abstract: Airport gate visual docking guidance system digital twin methods, systems, and devices are described herein. One method includes: identifying that a device of the visual docking guidance system is non-responsive, determining which device is non-responsive, initiating start-up of one visual docking guidance system program selected from: a visual docking guidance system software program, a central computing system program, or an operating station program, selecting a digital twin data set corresponding to the device of the visual docking guidance system that was non-responsive, wherein the set includes parameter data that was customized by a user of the visual docking guidance system and is particular to the device of the visual docking guidance system that was non-responsive, and sending the digital twin parameter data to the device of the visual docking guidance system that was non-responsive to update one or more parameters stored in association with the visual docking guidance system program.