Abstract: A method is provided for operating a movable barrier operator system in connection with a delivery. The method includes, at the movable barrier operator system, receiving a delivery open command and moving a movable barrier from a closed position to an open position. The method further includes identifying a delivery timer value based at least in part upon the delivery open command, operating a timer using the delivery timer value, and moving the movable barrier from the open position toward the closed position upon expiration of the timer.

Abstract: This disclosure describes an aerial vehicle, such as an unmanned aerial vehicle (“UAV”), which includes a plurality of maneuverability propulsion mechanisms that enable the aerial vehicle to move in any of the six degrees of freedom (surge, sway, heave, pitch, yaw, and roll). The aerial vehicle may also include a lifting propulsion mechanism that operates to generate a force sufficient to maintain the aerial vehicle at an altitude.

Abstract: In an aspect, a conveyor system is provided for a vehicle having wheels. The conveyor system includes a conveyor having an inlet end positioned to receive a vehicle to be conveyed, and an exit end positioned for exiting of the vehicle off of the conveyor, and a surface positioned proximate to at least one of the inlet end and the exit end. The surface is positioned to support at least one of the wheels while at least another of the wheels is supported on the conveyor. The surface has surface properties selected such that a coefficient of friction between the surface and tire rubber is below a selected threshold so as to permit sliding of the at least one of the wheels on the surface while the at least another of the wheels is supported on the conveyor.

Abstract: Methods and systems are provided for a coolant system. In one example, a method may include diagnosing a condition of a pump of the coolant system based on a temperature change of coolant. The diagnostic may determine if the pump is stuck on or off.

Abstract: A system comprises a processor that is programmed to define a plurality of vehicle groups based on vehicle specification data and define a plurality of sub-groups for each of the vehicle groups based on environmental data and sensor data received from each of a plurality of vehicles. The processor is programmed to adjust fuel tank leak detection classifiers for the sub-groups based on ground truth data. The ground truth data include, for each of the plurality of vehicles, a leak detection status and a leak test result.

Abstract: In an aspect, a hydrogen separation unit includes an electrochemical cell stack that includes a separator stack located in between an anode side and a cathode side; a mixed gas conduit for receiving a mixed gas stream to the anode side; an anode removal conduit for removing a helium rich stream from the anode side; and a cathode removal conduit for removing a hydrogen rich stream from the cathode side. The separation stack includes a plurality of electrochemical cells, each of which includes a proton exchange membrane located in between an anode and a cathode. The proton exchange membrane can include a cation. The separation stack can be a cascading separation stack.

Abstract: A system for controlling a vehicle conveyor and a vehicle wash having the same are provided. The system includes an array of beam transmitters, each being positionable to transmit a beam towards a vehicle path through which a vehicle is expected to travel. Each of at least one sensor is positionable to receive the beam from at least one of the array of beam transmitters when the beam is unobstructed and generate sensor data. A storage stores computer-executable instructions. A controller in communication with the storage and connected to the at least one sensor, when executing the computer-executable instructions, controls operation of the vehicle conveyor at least partially based on the sensor data.

Abstract: In an embodiment, a method for recovering carbon dioxide comprises introducing a carbon dioxide rich stream to a scrubber comprising a metal hydroxide and allowing the carbon dioxide to react with the metal hydroxide to form a metal carbonate; directing a metal carbonate stream from the scrubber to an electrochemical concentrator and applying a potential to the electrochemical concentrator to form a metal hydroxide stream and a separated carbon dioxide stream; directing the metal hydroxide stream comprising a recovered metal hydroxide and hydrogen to an electrochemical separator and applying a potential to the electrochemical separator to separate the hydrogen forming a hydrogen recycle stream from the recovered metal hydroxide forming a metal hydroxide recycle stream; and directing the separated carbon dioxide stream to a gas liquid separator and separating the separated carbon dioxide stream into a recycled water stream and a concentrated carbon dioxide stream.

Abstract: Methods and systems are provided for updating an in-use monitoring performance (IUMP) based on operation of an auxiliary device. In one example, a method may include using an engine model to estimate a duration in which a diagnostic routine is not completed due to operation of an auxiliary device driven by an engine and selectively updating the IUMP ratio based on a comparison of the duration to a minimum time duration needed for completion of the diagnostic routine.

Abstract: Methods and systems are provided for a vehicle coolant circuit. In one example, the coolant circuit includes a heater core isolation valve (HCIV) where a status of the HCIV may be diagnosed by intrusively activating a positive temperature coefficient heater in a cooling loop in which the HCIV is arranged. A response of coolant temperature to heater activation may be used to determine a position of the HCIV.

Abstract: Methods and systems are provided for monitoring a status of a heater core isolation valve (HCIV) housing in an engine coolant circuit including a first coolant loop and a second coolant loop. In one example, a method may include indicating degradation of the HCIV based on a difference between a first coolant loop temperature and a second coolant loop temperature upon activation of coolant system pumps and deactivation of a positive temperature coefficient (PTC) heater housed in the cabin heating loop.

Abstract: A computer includes a processor and a memory storing instructions executable by the processor to receive one or more parameters of a vehicle condition to be monitored, allocate an unreserved parameter identifier to each of the parameters, assign respective memory spaces to each of the allocated unreserved parameter identifiers, and store the parameters in the memory spaces.

Abstract: In an aspect, a conveyor system is provided for a vehicle having wheels. The conveyor system includes a conveyor having an inlet end positioned to receive a vehicle to be conveyed, and an exit end positioned for exiting of the vehicle off of the conveyor, and a surface positioned proximate to at least one of the inlet end and the exit end. The surface is positioned to support at least one of the wheels while at least another of the wheels is supported on the conveyor. The surface has surface properties selected such that a coefficient of friction between the surface and tire rubber is below a selected threshold so as to permit sliding of the at least one of the wheels on the surface while the at least another of the wheels is supported on the conveyor.

Abstract: In an aspect, there is provided a correlator for guiding a vehicle onto a vehicle conveyor. The correlator includes a wheel support surface defining a receiving end of the correlator and a conveyor-interfacing end of the correlator. The wheel support surface is positioned to support a wheel of the vehicle as the wheel rolls thereon. The correlator further includes at least one guide structure positioned to guide a wheel of the vehicle laterally during travel of the wheel on the wheel support surface from the receiving end towards the conveyor-interfacing end. The wheel support surface has a surface region having surface properties selected such that a coefficient of friction between the surface region and tire rubber is sufficiently low to prevent the wheel from having sufficient traction on the surface region to enable climbing of the wheel onto the at least one guide structure.

Abstract: In an aspect a method of recovering hydrogen, the method comprises reacting a hydrocarbon to form a carbon compound and hydrogen in the presence of a catalyst, wherein the carbon compound comprises at least one of carbon dioxide or carbon monoxide; separating the carbon compound from the hydrogen; directing the carbon compound to a cathode side of an electrochemical cell and directing water to an anode side of the electrochemical cell; electrolyzing the water on the anode side to form oxygen and protons; applying a voltage to a membrane and electrode assembly in the electrochemical cell to cause the protons to traverse through a proton exchange membrane from an anode to a cathode on the cathode side; and reacting the protons with the carbon compound to form an organic product.

Abstract: Methods and systems are provided for assessing a state of a vent hose that fluidically couples a crankcase of an engine to an engine air intake system. In one example, a method may include sealing the crankcase from the vent hose, initiating cranking of the engine, monitoring a series of pressure pulsations during a monitoring window duration via a pressure sensor positioned between a crankcase oil separator and the vent hose, and indicating a presence of degradation associated with the vent hose based on the series of pressure pulsations and the monitoring window duration. In this way, diagnosis of a state of the vent hose may be reliably assessed without crankcase pressures confounding pressure measurements as recorded via the pressure sensor.

Abstract: A computer-implemented method including: creating, by a computer device, a database record for a user in a computer-based immutable ledger; updating, by the computer device, the database record with a beginning amount of fuel when the user rents a vehicle; receiving, by the computer device, fuel purchase information from a fuel dispenser at a filling station; updating, by the computer device, the database record with the fuel purchase information; updating, by the computer device, the database record with an ending amount of fuel when the user returns the vehicle; determining, by the computer device, an amount of overpayment for fuel by the user; and updating, by the computer device, the database record with a credit based on the determined amount of overpayment.

Abstract: Methods and systems are provided for an EGR system reverse hose diagnostic. In one example, a method includes executing the reverse hose diagnostic in response to an EGR flowrate exceeding a threshold flow rate.

Abstract: Methods and systems are provided for an EGR system reverse hose diagnostic. In one example, a method includes executing the reverse hose diagnostic in response to an EGR flowrate exceeding a threshold flow rate.