Abstract: Systems and methods are directed to detecting tampering with a secured area of an autonomous vehicle. In one example, a computing system performs operations including generating a first key pair comprising a first private key and a first public key as part of a vehicle registration process; providing the first public key to one or more remote computing systems; determining whether a reset event occurred at a vehicle; in response to determining that the reset event occurred, discarding the first key pair and generating a second key pair comprising a second private key and a second public key; receiving a status query from one of the one or more remote computing systems; generating a response to the status query, the response being signed using either the first private key or the second private key; and providing the response to the one of the one or more remote computing systems.

Abstract: A controller may determine that a regeneration process associated with an engine of a machine is active. The controller may obtain, based on determining that the regeneration process is active, information concerning a speed of the engine, information concerning a load of the engine, and information concerning a fuel rate of the engine. The controller may select, based on the information concerning the speed of the engine, the information concerning the load of the engine, and the information concerning the fuel rate of the engine, a control process, of a plurality of control processes, to control an intake manifold absolute pressure (IMAP) of the engine to facilitate the regeneration process. The controller may cause, according to the selected control process, adjustment of one or more components of a variable geometry turbocharger (VGT) of the engine and an intake throttle valve (ITV) of the engine.

Abstract: An engine braking system includes engine braking actuators for adjusting exhaust valve timings to engine braking timings in a cylinder-number braking mode. The system further includes an engine braking controller coupled to a control switch that produces a request indicating a requested cylinder-number braking mode. The engine braking controller is structured to transition exhaust valves to the engine braking timings, determine a control term to adjust intake air pressure for varying a braking power of the engine, and to adjust geometry of an exhaust turbine based on the control term. An adjusted speed of a compressor rotated by the exhaust turbine provides a change to intake air pressure that adjusts the braking power of the engine. Different levels of braking power are provided within different cylinder-number braking modes.

Abstract: A method includes establishing a first communication connection between a computing device and a coordinate measurement device for submitting, by the computing device, one or more commands to the coordinate measurement device. A second communication connection between the two devices is established for receiving, by the computing device, coordinate data from the coordinate measurement device. In response to receiving, by the computing device, a command for the coordinate measurement device, if the first communication connection is not open, a wait is performed for the first communication connection to re-establish. If the wait is less than a predetermined duration, the method includes re-establishing, by the computing device, one or more channels for the first communication connection.

Abstract: A controller may determine that a regeneration process associated with an engine of a machine is active. The controller may obtain, based on determining that the regeneration process is active, information concerning a speed of the engine, information concerning a load of the engine, and information concerning a fuel rate of the engine. The controller may select, based on the information concerning the speed of the engine, the information concerning the load of the engine, and the information concerning the fuel rate of the engine, a control process, of a plurality of control processes, to control an intake manifold absolute pressure (IMAP) of the engine to facilitate the regeneration process. The controller may cause, according to the selected control process, adjustment of one or more components of a variable geometry turbocharger (VGT) of the engine and an intake throttle valve (ITV) of the engine.

Abstract: Embodiments of the present disclosure relate to an electronic apparatus that includes a metadata generator, to generate an extents table (ET) that lists one or more extents pages (EPs), where an EP is a fixed size, and where the one or more EPs store one or more extents. An extent includes an allocation indication for a cluster in a memory device, where a number of the extents corresponds to a number of clusters of the memory device, where a subset number of the extents is stored in one of the one or more EPs, and where the subset number is based on the fixed size of the EP. The electronic apparatus further includes a metadata updater, to modify the allocation indication in the extent stored in the one of the one or more EPs, based on a corresponding change in an allocation of the cluster in the memory device.

Abstract: A fixture configuration module comprises a connector configured to be removably coupled with a light fixture. The fixture configuration module also comprises fixture control circuitry communicatively coupled to the connector and configured to control the light fixture to produce light in accordance with a range of a lighting parameter. The range includes at least a subset of values supported by the light fixture for producing light. The fixture configuration module further comprises range control circuitry communicatively coupled to the fixture control circuitry and configured to wirelessly receive the range at least while the connector is uncoupled from the light fixture, and designate the range to the fixture control circuitry while the connector is coupled to the light fixture.

Abstract: An improved biasing spring mechanism for the valve poppet of the self-sealing valve disposed in the bag fitment of a beverage dispensing collapsible bag. A singular integrally formed spring mechanism and valve poppet replaces the two-piece embodiment previously employed for the self-sealing valve. A u-shaped channel on the poppet receives the valve seat in the coupling to seal off the flow of liquid when the poppet is pushed into the closed position. A plurality of petaloid segments connect the poppet to a circumferential ring surrounding the petaloid segments and provide a spring force to the poppet to move the poppet between the open and closed positions.

Abstract: Aspects of the disclosure relate to controlling a vehicle in an autonomous driving mode. For instance, a control command identifying a steering control position may be received by a steering system of the vehicle from an autonomous driving control system. Orientation of one or more wheels of the vehicle may be controlled according to the steering control position. After receiving the control command, that the steering system has not received a valid control command from the control system for a first predetermined duration may be determined. Based on the determination that the steering system has not received a valid control command from the control system for the first predetermined duration, the orientation of the one or more wheels may be continue to be controlled based on the steering control position.

Abstract: A method of controlling fuel delivery to an engine includes providing a fluid atomizer, a mechanically driven air compressor, a start up air source, and an air valve coupled between the mechanically driven air compressor and the start up air source, charging the start up air source, delivering compressed air from the start up air source to the fluid atomizer, providing an initial air/fluid mixture with the fluid atomizer, and operating the air valve to direct compressed air from the mechanically driven air compressor to the fluid atomizer.

Abstract: A nanoparticle conjugate includes a quantum dot (QD) and a thermally activated delayed fluorescence (TADF) molecule bound to the QD. In some instances, the TADF molecule can be directly bound to a surface of the QD. In other instances, the TADF molecule can be indirectly bound to the QD via an interaction with one or more capping ligands disposed on a surface of the QD. Nanoparticle conjugates described herein can be incorporated into emissive layers of electroluminescent light-emitting diode devices to yield electroluminescent quantum dot-containing light-emitting diode (QD-LED) devices.

Abstract: A method and system are provided for controlling braking a vehicle in an autonomous driving mode. For instance, the vehicle is controlled in the autonomous driving mode according to a first braking control mode using a first model to adjust the position of a vehicle relative to an expected position of a current trajectory of the vehicle. Using a second model how close to a maximum deviation threshold the vehicle would come if a maximum braking strength for the vehicle was applied is predicted. The maximum deviation threshold provides an allowed forward deviation from the current trajectory. Based on the prediction, the vehicle is controlled in the autonomous driving mode according to a second braking control mode by automatically applying the maximum braking strength.

Abstract: An exhaust system includes an exhaust pressure sensing system having sensor conduits structured to fluidly connect to an exhaust conduit in an exhaust system and feed exhaust to a differential pressure sensor. The differential pressure sensor produces a pressure signal indicative of a pressure drop across an exhaust aftertreatment element such as an exhaust filter. A plugging-mitigation conduit provides an always-open leakage path to convey condensate in a stream of leaked exhaust between the sensor conduits to prevent formation of deposits that can impact pressure sensing accuracy.

Abstract: An exhaust system includes an exhaust pressure sensing system having sensor conduits structured to fluidly connect to an exhaust conduit in an exhaust system and feed exhaust to a differential pressure sensor. The differential pressure sensor produces a pressure signal indicative of a pressure drop across an exhaust aftertreatment element such as an exhaust filter. A plugging-mitigation conduit provides an always-open leakage path to convey condensate in a stream of leaked exhaust between the sensor conduits to prevent formation of deposits that can impact pressure sensing accuracy.

Abstract: Systems and methods for servicing vehicle messages utilizing a common communications infrastructure are provided. A method includes obtaining, by a vehicle computing system onboard an autonomous vehicle, a message including a cryptographic signature and contextual information, a request, or a command. The method includes determining an originating sender associated with the message based on the cryptographic signature and determining a message privilege for the message based on the originating sender. The originating sender is a process that generated the message. The method includes determining a response for the contextual information, the request, or the command based on the message privilege. The response is indicative of an acceptance or rejection of contextual information, an assignment of computing resources to a request, or an acceptance or rejection of a command. The method includes performing a vehicle action based on the response.

Abstract: Systems and methods for onboard vehicle certificate distribution are provided. A system can include a plurality of devices including a master device for authenticating processes and one or more requesting devices. The master device can include a master host security service configured to authenticate the one or more processes of the system. The master host security service can run a certificate authority to generate a root certificate and a private root key corresponding to the root certificate. A respective host security service can receive a request for a process manifest for a requesting process of a respective device from a respective orchestration service. The respective host security service can generate the process manifest for the requesting process and provide the process manifest to the requesting process. The requesting process can use the process manifest to communicate with the certificate authority to obtain an operational certificate based on the root certificate.

Abstract: Systems and methods for vehicle message signing are provided. A method includes obtaining, by a vehicle computing system of an autonomous vehicle, a computing system state associated with the vehicle computing system and a message from at least one remote process running a computing device remote from the vehicle computing system. The message is associated with an intended recipient process running on the vehicle computing system. The method includes determining an originating sender for the message. The originating sender is indicative of a remote process that generated the message. The method includes determining a routing action for the message based on a comparison of the originating sender and the computing system state. The routing action includes at least one of a discarding action or a forwarding action to the intended recipient process. The method includes performing the routing action for the message.

Abstract: A tool string disposable in a wellbore includes a plug configured to seal against an inner surface of a tubular string disposed in the wellbore, and a setting tool coupled to the plug that includes a piston slidably disposed in a setting tool housing of the setting tool and including a central passage, and a combustible assembly disposed in the passage of the piston, wherein the combustible assembly includes a housing and combustible material disposed in the combustible assembly housing, wherein, in response to a pressurization of the central passage of the piston of the setting tool, the setting tool is configured to actuate the plug to seal against the inner surface of the tubular string.

Abstract: LED devices emitting white light comprise a blue-emitting LED, green-emitting quantum dots (QDs) and red-emitting K2SiF6:Mn4+ (KSF) phosphor. A backlight unit (BLU) for a liquid crystal display (LCD) comprises one or more blue-emitting LEDs and a polymer film containing green-emitting QDs and KSF phosphor. The QDs and/or KSF phosphor may be encapsulated in beads that provide protection from oxygen and/or moisture.

Abstract: Organically capped quantum dots are made by functionalizing the surfaces of QDs of various architectures with a combination of 6-mercaptohexanol (MCH) and 2-[2-(2-methoxyethoxy)-ethoxy]-acetic acid (MEEAA). Such MCH/MEEAA-capped QDs exhibit improved compatibility with solvents used in the fabrication of QD-containing films of light emitting devices, such as liquid crystal displays.