Abstract: Techniques for identifying and triaging issues associated with a vehicle in order to resolve the issues are described. The techniques may include receiving log data associated with a vehicle and generating an event timeline based at least in part on the log data. The event timeline may comprise a time-ordered record of events associated with operations of the vehicle. The techniques may also include identifying, based at least in part on an event included in the event timeline, a first occurrence of an issue associated with the vehicle. In some instances, a correlation may be determined between the first occurrence of the issue and a second occurrence of the issue, and a cause of the issue may also be determined based at least in part on the correlation. In some examples, the second occurrence of the issue may appear in the event timeline or another event timeline.

Abstract: A scaling and dispensing structure for a container for storing and dispensing cleaning articles includes a scaling and dispensing structure. The sealing and dispensing structure includes a floor defining a bottom of the sealing and dispensing structure and a perimetric flange adjoined to the floor at an interior bottom. The perimetric flange and the floor at least partially defining a side and a bottom of a dispensing compartment. The sealing and dispensing structure further includes a dispensing orifice extending through the floor for individually dispensing the cleaning articles into the dispensing compartment and an access orifice extending through at least a portion of the floor for accessing the cleaning articles stored in the container.

Abstract: A first node and a second node are configured in a storage system, wherein the first node and the second node are communicatively coupled to a key server. One or more nodes of a set comprising the first node and the second node initiate a process to generate an encryption key to be shared between the first node and the second node in the storage system. A request for the encryption key is transmitted to the key server, from the one or more nodes of the set comprising the first node and the second node, in response to securing a common lock that is available.

Abstract: Trajectory generation and/or execution architecture is described. In an example, a first signal can be determined at a first frequency, wherein the first signal comprises information associated with causing the system to move to a location. Further, a second signal can be determined at a second frequency different from the first frequency and based at least in part on the first signal. A system can be controlled to move to the location, based at least in part on the second signal.

Abstract: The present disclosure is directed to an adjustable-depth ring assembly for connection to an electrical box that is accessible through a wall opening in a wall member disposed forward of the electrical box. The assembly generally comprises a cover plate having a planar rigid plate and a raised portion, and an extension ring. A method of installing the assembly is also provided herein.

Abstract: The innovation disclosed and claimed herein, in one aspect thereof, comprises systems and methods of autonomous asset configuration modeling and management. The innovation includes probing elements of a networked architecture to compile information about elements in the networked architecture. The innovation learns a configuration for the at least one element in the environment based on the probing and determines vulnerabilities in the learned configuration. The innovation develops a threat model based on the learned configuration. The innovation applies the threat model to the elements of the networked architecture and deploys a configuration that resolves the vulnerabilities based on the threat model to the elements in the networked architecture. The threat model can be developed over time using machine learning concepts and deep learning of data sources associated with the elements and vulnerabilities.

Abstract: A sensor calibration system for a vehicle including a first sensor positioned at a reference angle, the first sensor senses an object, a second sensor disposed within the first sensor, the second sensor senses a first angle of the first sensor, and an electronic processor. The electronic processor receives vehicle movement information, determines, based on the vehicle movement information, whether the vehicle is stopped, and in response to determining that the vehicle is stopped, obtains a first signal indicative of the first angle from the second sensor. The electronic processor also converts the first angle to a second angle, determines whether the second angle is within a tolerance range, in response to determining that the second angle is within the tolerance range, modifies a calibration of the first sensor using the second angle, and senses the object using the modified calibration of the first sensor.

Abstract: Respiratory therapy kits can include can include an airflow mixing channel including a first inflow opening, a second inflow opening, and an outflow opening, wherein the first inflow opening is fluidly connectable to a nebulizer. The one-way air intake valve can be fluidly coupled to or couplable with the second inflow opening, and the one-way medicament valve can be fluidly coupled to or couplable with the outflow opening. The kit also includes an oscillating positive expiratory pressure assembly fluidly coupled to or couplable with the one-way medicament valve, and also includes a user-interface opening and an exhalation oscillatory valve. One or more of the one-way air intake valve, the second one-way medicament valve, the oscillating positive expiratory pressure assembly, or a component thereof can be modularly interchanged with parts to change the nature of the respiratory effect of the assembled respiratory therapy kit.

Abstract: Techniques associated with detecting non-deterministic behavior with a component and/or subcomponents of an autonomous vehicle are discussed herein. In some cases, a simulation system may be configured to simulate operations of the autonomous vehicle and to detect changes in behavior between instances and with respect to log data or expected results. The simulation system may flag or otherwise identify components and/or subcomponents responsive to detecting potentially non-deterministic behavior.

Abstract: A hollow articulating structure includes a plurality of pipes interconnected with a plurality of knuckle assemblies. The hollow articulating structure may be connected to a vacuum source to allow a user to move the articulating structure to position an end of the articulating structure in a desired location to move dust and particles through the hollow articulating structure to the vacuum source. Each knuckle assembly includes a first knuckle member and a second knuckle member that are rotationally movable with each other to allow the articulating structure to be adjusted and moved.

Abstract: The present disclosure is generally directed to a sway brace attachment for a bracing system comprising a body defining at least one slot for receiving a flange of a structural support of a building, a set screw bar coupled to the body, and set screws threadably received in threaded openings defined by the set screw bar.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for selecting an action to be performed by a reinforcement learning agent. The method includes obtaining an observation characterizing a current state of an environment. For each layer parameter of each noisy layer of a neural network, a respective noise value is determined. For each layer parameter of each noisy layer, a noisy current value for the layer parameter is determined from a current value of the layer parameter, a current value of a corresponding noise parameter, and the noise value. A network input including the observation is processed using the neural network in accordance with the noisy current values to generate a network output for the network input. An action is selected from a set of possible actions to be performed by the agent in response to the observation using the network output.

Abstract: Dust separation devices are disclosed to enable separating and collecting dust particles. A parabolic cyclone chamber is disclosed. The parabolic cyclone chamber has a bottom having an opening, an upper surface, a curved sidewall connecting the bottom to the upper surface, an entry path in a top portion of the cyclone chamber, an exit path extending through the upper surface, and a diverter wall sloping downward from the upper surface of the cyclone chamber toward the entry path.

Abstract: A polymer blend including 5 to 95 weight percent of a poly(ester-carbonate-carbonate) comprising 40 to 95 mole percent of ester units comprising low heat bisphenol groups and high heat bisphenol groups, wherein the ester units comprise 20 to 80 mole percent of the low heat bisphenol groups and 20 to 80 mole percent of the high heat bisphenol groups, based on the total moles of ester units in the poly(ester-carbonate-carbonate), and 5 to 60 mole percent of carbonate units comprising the low heat bisphenol groups and the high heat bisphenol groups, wherein the carbonate units comprise 20 to 80 mole percent of the low heat bisphenol groups and 20 to 80 mole percent of the high heat bisphenol groups, based on the total moles of carbonate units in the poly(ester-carbonate-carbonate); and 5 to 95 weight percent of a poly(etherimide), wherein the weight percent of each polymer is based on the total weight of the polymers in the blend, and a molded 0.

Abstract: A triboelectric generator can include respective contact members including a first contact member and second contact member. The respective contact members can be movable with respect to each other such that the respective contact members separate from each other in a first configuration and contact each other in a second configuration. The first contact member can include a first conductive layer and a contact layer. The second contact member can be spaced apart from the first contact member in the first configuration and can include an insulating contact layer and a second conductive layer. The insulating contact layer can be configured to come into contact with the contact layer of the first contact member and the transition of the respective contact members from the first configuration to the second configuration can create triboelectric charges. In some examples, the first contact member can include a non-contact insulating layer.

Abstract: An air scrubber having an outer shell, the outer shell having a first sidewall with a first aperture, a second sidewall with a second aperture, a third sidewall with a third aperture, and a fourth sidewall with a fourth aperture. Each of the apertures are configured to engage a filter. The air scrubber includes a fan configured to move air inward through each of the apertures and through the associated filters to filter contaminants from the air.

Abstract: A network speed map indicating data rates (e.g., download speeds) provided by a mobile network within a geographical area can be created based on crowd-sourced data. An example process includes receiving a plurality of data samples from mobile devices, each sample including a CQI value and a geolocation. Efficiency values can be determined from sampled CQI values associated with a bin of interest within the geographical area, and a spectrum efficiency value associated with the bin can be determined based on the determined efficiency values. A data rate (e.g., a download speed) associated with the bin can be estimated based on the spectrum efficiency value, and a network speed map showing one or more bins, including the bin, with estimated data rates (e.g., download speed) can be generated and displayed on a user computing device.

Abstract: A cable tray assembly includes first and second cable tray sections each including a base and rails extending transversely from longitudinal sides of the base. At least one of the base and the rails defines a plurality of holes. A splice plate is configured to engage the first and second cable tray sections for attaching the first cable tray section to the second cable tray section. The splice plate defines a plurality of holes. At least one snap-fit connector includes a head and a plurality of resiliently deflectable arms extending from the head. The arms of the connector are configured to extend through aligned holes in the splice plate and one of the cable tray sections to secure the splice plate to said one of the cable tray sections.

Abstract: A domain specific language for use in constructing simulations within real environments is described. In an example, a computing device associated with a vehicle can receive, from one or more sensors associated with the vehicle, sensor data associated with an environment within which the vehicle is positioned. In an example, the vehicle can be an autonomous vehicle. The computing device associated with the vehicle can receive simulated data associated with one or more primitives that are to be instantiated as a scenario in the environment. The computing device can merge the sensor data and the simulated data to generate aggregated data and determine a trajectory along which the vehicle is to drive based at least in part on the aggregated data. The computing device can determine instructions for executing the trajectory and can assess the performance of the vehicle based on how the vehicle responds to the scenario.

Abstract: Respiratory therapy devices, oscillating positive expiratory pressure assemblies, respiratory therapy assembly kits, and methods of respiratory treatment or therapy are disclosed. An example respiratory therapy device can include an airflow mixing channel including a first inflow opening, a second inflow opening, and an outflow opening. The device can further include a nebulizer fluidly coupled to the first inflow opening. A one-way air intake valve fluidly can be coupled to the second inflow opening and/or a one-way medicament valve fluidly coupled to the outflow opening. The respiratory therapy device can also include an oscillating positive expiratory pressure assembly fluidly coupled to the one-way medicament valve, wherein the oscillating positive expiratory pressure assembly includes a mouthpiece opening and an oscillatory valve. In certain specific examples, the one-way air intake valve or the one-way medicament valve can be an inhalation oscillatory valve.