Abstract: The present disclosure provides a fuel cell comprising: an electrochemical circuit comprising an anode, a cathode, and an electrolyte between the anode and the cathode; a first channel comprising a first inlet and a first outlet, wherein the first channel is in fluid communication with the anode, wherein the first channel comprises one or more features, wherein the one or more features comprise (i) one or more cuts, (ii) one or more cutouts, (iii) one or more grooves, or (iv) any combination thereof; and a second channel comprising a second inlet and a second outlet, wherein the second channel is in fluid communication with the cathode.

Abstract: Disclosed is a computer-implemented method for controlling an engine system of a vehicle comprising: determining an operating condition of the vehicle; determining one or more contextual conditions relevant to the vehicle; selecting, based upon both the determined operating condition and the determined one or more contextual conditions, a control profile for the engine system from a directory comprising a plurality of control profiles having different control characteristics; applying the selected control profile to a controller of the engine system; and controlling the engine system with the controller in accordance with the selected control profile. Also disclosed are an engine control system, a gas turbine engine, and an aircraft.

Abstract: The present disclosure provides a fuel cell comprising: an electrochemical circuit comprising an anode, a cathode, and an electrolyte between the anode and the cathode; a first channel comprising a first inlet and a first outlet, wherein the first channel is in fluid communication with the anode, wherein the first channel comprises one or more features, wherein the one or more features comprise (i) one or more cuts, (ii) one or more cutouts, (iii) one or more grooves, or (iv) any combination thereof; and a second channel comprising a second inlet and a second outlet, wherein the second channel is in fluid communication with the cathode.

Abstract: This invention generally provides two tactile stimulation modules, or “tappers”. One tapper is held by a person in each of his hands. Alternatively, a tapper is secured to each wrist or to other parts of the body on opposite sides. Each tapper is powered by a rechargeable battery, and contains both a tactile stimulation transducer, such as an electric motor having either a balanced or unbalanced mass on its output shaft, and a transceiver that communicates with a host or master. Each tapper includes at least one control button and a status indicator. Each tapper contains a micro-controller that performs tasks such as communication, motor activation, user monitoring and control, battery monitoring, low-power sleep, and algorithm execution. At least one tapper can contain at least one optional sensor, which measures a physiological function. Measurements can be used to modify performance of the tactile stimulation transducers.

Abstract: For each image in a set of images, residual data is obtained based on first and second representations of the image at a first level of quality. The second representation is based on a representation of the image at a second, lower level of quality. The residual data is useable by a decoder to reconstruct, for each image in the set, the first representation using the second representation. One or more configuration parameters of configuration data relating to processing of the residual data: (i) are obtained, (ii) are useable by the decoder to reconstruct the first representation for each image in the set, and (iii) correspond to multiple images in the set. The one or more configuration parameters are output for processing by the decoder. The number of times the one or more configuration parameters is output for the set is less than the number of images in the set.

Abstract: An air data probe includes a probe head defining a longitudinal axis between a forward tip and aft base. A port opening is defined in the forward tip. A first conduit is in fluid communication with the port opening to guide fluid flow from the port opening to a first chamber. The first chamber is downstream from the port opening. A second conduit, offset radially and circumferentially from the first conduit, is in fluid communication with the first chamber to guide fluid flow from the first chamber to a second chamber. The second chamber is downstream from the first chamber. The offset between the first and second conduits is configured to prevent particle ingestion from the port opening from entering the second conduit.

Abstract: A video encoder is provided that has: one or more encoder plug-ins that provide a wrapper for one or more respective base codecs to implement a base encoding layer, each wrapper implementing an interface for data exchange with a corresponding base codec, the base encoding layer being configured to encode and decode a video signal; an enhancement encoder to implement an enhancement encoding layer, the enhancement encoder being configured to: receive a decoded video signal from one of the one or more encoder plug-ins, the decoded video signal comprising a decoded version of an encoded video signal generated by said one of the one or more encoder plug-ins, and generate an encoded enhancement signal for the encoded video signal, the encoded enhancement signal comprising one or more layers of residual data, the residual data being generated based on a comparison of data derived from the decoded video signal and data derived from an input video signal, and, an encoder integration layer to control operation of the o

Abstract: Methods and systems for remote dynamic isolation of IoT devices are provided. One system includes a first IoT device and a second IoT device configured with an active communication channel with the first IoT device and a role certificate. An operator device is configured to interact with a distributed ledger to issue and revoke role certificates for a plurality of devices including the first IoT device and the second IoT device. The first IoT device periodically validates a role certificate proof received from the second IoT device with an entry of the role certificate proof recorded on the distributed ledger.

Abstract: A method of transporting grounding plates is provided, having a step of providing a plurality of grounding plates made from an electrically conductive material. Each grounding plate has a plate body with first and second faces that are planar, opposed, and parallel to each other, and a grounding connector formed from the same material and having a first end connected to the plate body. The grounding connector is bendable about the first end from a planar configuration to a functional configuration. In the planar configuration, the grounding connector is aligned with and parallel to the first and second faces of the plate body, and in the functional configuration, the grounding connector is at an angle relative to the first face of the plate body. The method has the further steps of stacking the plurality of grounding plates in the planar configuration and transporting the stack to a destination.

Abstract: An internal combustion engine includes an engine block, an air-fuel mixing device, and an air filter assembly. The air filter assembly includes a housing, a filter element, and a gap between the filter element and the housing. The housing includes a base and a cover which define an interior volume. The housing includes an outlet passage fluidly coupling a filtered air outlet to a final air outlet. The filter element divides the interior volume into a filtered volume and an unfiltered volume. The gap is configured to direct air in a first airflow pass before being filtered by the filter element. The filter element is configured to direct filtered air in a second airflow pass in a substantially opposite direction from the first airflow pass. The outlet passage is configured to direct filtered air into a third airflow pass in a substantially same direction as the first airflow pass.

Abstract: Disclosed is a process for the synthesis of fluorinated olefins, and in particularly preferred embodiments tetrafluorinated olefins having F on an unsaturated, non-terminal carbon, such as 2,3,3,3-tetrafluoropropene. The preferred processes of the present invention in accordance with one embodiment generally comprise: (a) reacting a compound of formula (I) X1X2??(I) with a compound of formula (II) CX1X2X3CX1?CX1X2??(II) to produce a reaction product comprising a compound of formula (III) CF3CHX1CH2X2??(III), and (b) exposing said compound of formula (III) to reaction conditions effective to convert said compound of formula (III) to a compound of formula (IV) CF3CZ?CH2??(IV) wherein X1, X2, and X3 are each independently selected from the group consisting of hydrogen, chlorine, bromine, fluorine and iodine, provided that X1 and X2 in formula (I) are not both hydrogen and Z is Cl, I, Br, or F.

Abstract: Residual data is obtained based on first and second representations of an image at a first level of quality. The second representation is based on a representation of the image at a second, lower level of quality. The residual data is useable by a decoder to reconstruct the first representation using the second representation. A configuration message comprising a header part and a payload part is generated and output for processing by the decoder. The payload part comprises obtained configuration data relating to processing of the residual data. The header part comprises: (i) a message type parameter specifying a configuration message type and indicating a given payload format of the payload part, a format size of a payload part having said payload format is predetermined or can be determined from the content of the payload part, and (ii) a payload size parameter specifying the actual size of the payload part.

Abstract: Configuration data is obtained and is useable by a decoder to reconstruct a first representation of an image at a first level of quality using a second representation of the image at the first level of quality. The second representation is based on a representation of the image at a second, lower level of quality. The configuration data comprises a value of a configuration parameter, the value having a variable bit-length. The configuration data is arranged into a sequence of bytes comprising a variable-length element arranged to store the value of the configuration parameter. The variable-length element comprises at least one given byte having one or more predetermined bits arranged to indicate whether or not the variable-length element comprises one or more additional bytes to the at least one given byte. The sequence of bytes is output for processing by the decoder.

Abstract: Disclosed are dimming assemblies and display systems for reducing artifacts produced by optically-transmissive displays. A system may include a substrate upon which a plurality of electronic components are disposed. The electronic components may include a plurality of pixels, a plurality of conductors, and a plurality of circuit modules. The plurality of pixels may be arranged in a two-dimensional array, with each pixel having a two-dimensional geometry corresponding to a shape with at least one curved side. The plurality of conductors may be arranged adjacent to the plurality of pixels. The system may also include control circuitry electrically coupled to the plurality of conductors. The control circuitry may be configured to apply electrical signals to the plurality of circuit modules by way of the plurality of conductors.

Abstract: A medical device capable of determining its location is provided. The medical device comprises a memory, one or more antennas, one or more processors coupled with the memory and the one or more antennas, a location manager component executable by the one or more processors. The location manager component is configured to receive first location information from a first location information source and second location information from a second location information source, to rank the first location information source and the second location information source according to a hierarchy of location information sources, the hierarchy of location information sources specifying that the first location information source is of higher rank than the second location information source, determine an approximate location of the medical device based on the first location information, and improve the accuracy of the approximate location based on the second location information.

Abstract: For each image in a set of images, a representation of the image at a first level of quality is derived using a first representation of the image at a second, higher level of quality and is output for processing by a decoder. Configuration data is output for processing by the decoder to enable the decoder to detect whether or not the first representation of a given image in the set of images is to be reconstructed using residual data for the given image, the residual data: (i) being useable to reconstruct the first representation using a second representation of the image at the second level of quality, the second representation being based on the representation of the image at the first level of quality, and (ii) being derived based on the first representation and the second representation.

Abstract: According to some aspects, a wearable device is provided. The wearable device includes a memory, one or more antennas, one or more processors coupled with the memory and the one or more antennas, a location manager component executable by the one or more processors and configured to determine a location of the wearable device, and a direction manager component executable by the one or more processors. The direction manager component may be configured to receive, via the one or more antennas, information descriptive of a location of the medical device, determine a path between the location of the wearable device and the location of the medical device, and provide information descriptive of the path.

Abstract: A valve installation is provided, including a valve assembly having a valve, and a fluidized valve actuator coupled with the valve assembly. The actuator includes at least two cylinders and pistons positioned to communicate fluid to apply pressure to the valve assembly. Extension of each piston communicates pressure to the valve assembly and at least partially lifts the valve into an at least partially lifted and open position. The valve installation may be used to regulate fluid flow in various systems, including cyclical swing adsorption processes.

Abstract: Systems and techniques that facilitate backend quantum runtimes are provided. In various embodiments, a system can comprise a memory that can store computer-executable components. The system can further comprise a processor that can be operably coupled to the memory and that can execute the computer-executable components stored in the memory. In various embodiments, the computer-executable components can comprise an execution orchestration engine component that can parse a computer program into classical and quantum portions and that can host the computer program by instantiating a classical computing resource.