Abstract: A supply path of hydrogen gas in a fuel cell system connects a plurality of fuel cell stacks in series with each other. The supply path includes a downstream supply path configured to supply the fuel cell stack on a downstream side with exhaust gas of hydrogen gas supplied to the fuel cell stack on an upstream side, without circulating the exhaust gas to the fuel cell stack on the upstream side, and a circulating path configured to circulate exhaust gas from the fuel cell stack on the downstream side to the fuel cell stack on the downstream side.

Abstract: An information processing device increment a first delay count when a sleep transition time exceeds a first prescribed time, the sleep transition time being a time from when an ECU mounted on the vehicle goes into a non-sleep state until the electronic control unit returns to a sleep state. The information processing device outputs information on the ECU when the first delay count becomes equal to or greater than a first prescribed count.

Abstract: A vehicle charging system of the present disclosure includes a charging device that externally charges a battery of an electric vehicle, an imaging device, and a management device. The management device is configured to acquire either vehicle identification information of the electric vehicle connected to the charging device or user identification information of a user of the electric vehicle from image data captured by the imaging device. Further, the management device is configured to link outstanding payment information indicating that a charging fee is not paid in response to completion of a charging of the battery to either the acquired vehicle identification information or the acquired user identification information so as to store the information in a memory device. As a result, the charging of the vehicle is allowed to a wide range of users and the outstanding payment information of the charging fee is properly managed.

Abstract: Adaptive display technology includes issuing one or more commands to perform a first adjustment to an output of a display to enhance visibility for a viewer of the display based on a determination that the viewer is wearing sunglasses, where the first adjustment includes adjusting one or more of a polarization of the display output, or a color of the display output based on a color of lenses in the sunglasses or a selection by the viewer, determining, after the first adjustment is performed, a second adjustment to the output of the display to further enhance visibility for the viewer, wherein the second adjustment includes adjusting one or more of a brightness of the display output or a contrast of the display output, and issuing one or more commands to perform the second adjustment to the output of the display based on viewer feedback in relation to the second adjustment.

Abstract: The information processing device is a device that can access first information regarding the traceability of the products of each company included in the supply chain and second information indicating the relationship between the products of each company included in the target product. The control unit of the information processing device obtains the update deadline of the first information. The control unit of the information processing device references the second information to specify a plurality of included products included in the target product and a plurality of first accounts each having an authority to update the first information for each of the plurality of included products. The control unit then notifies each identified first account of a request for updating the first information by the update deadline.

Abstract: A solar charging system includes a first battery, a second battery, and processing circuitry. The processing circuitry charges the second battery by supplying electric power from the first battery to the second battery when a state of charge of the first battery is greater than or equal to a prescribed upper limit value, and charges the first battery by stopping supply of electric power from the first battery to the second battery when the state of charge of the first battery is less than or equal to a prescribed lower limit value. A range from the upper limit value to the lower limit value is a range of use of the first battery. The processing circuitry changes the range of use such that the range of use is wider when a degree of degradation of the first battery is high than when the degree of degradation is low.

Abstract: A control device is configured to: perform automated driving for automatically performing driving operations of the vehicle; make a driver practice taking back driving from automated driving to manual driving, where at least part of the driving tasks are performed by the driver, during automated driving and calculate proficiency level of taking back driving based on one or both of a time period required for taking back driving when practicing taking back driving and action of the driver in the period for taking back driving; identify a current driving scene based on surrounding data showing a state of the surroundings of the vehicle; and practice taking back driving by a frequency in accordance with the proficiency level calculated when last practicing taking back driving in the same driving scene as the present.

Abstract: A charging system includes: a switch device and a control device. Each of charging ports is provided with a lid configured to open and close a corresponding one of the charging ports. The control device is configured to determine whether a predetermined charge prohibition condition is satisfied before starting charging an electric energy storage device using any one of the charging ports, and when the predetermined charge prohibition condition is satisfied, keep each of power paths from the charging ports to the electric energy storage device disconnected. The predetermined charge prohibition condition is satisfied when the lid of at least one charging port that is included in the charging ports and that is other than the charging port to be used is open.

Abstract: A laser processing apparatus having high accuracy of measurement of reflected light is provided. A laser processing apparatus according to the present disclosure includes: a laser oscillator configured to emit a laser beam to a workpiece; a sensor configured to measure intensity of light reflected from the workpiece; and a plate-like member disposed in the middle of an optical path of the reflected light, in which a through-hole is formed at a place in the plate-like member through which the reflected light passes, and the sensor measures the intensity of the reflected light that has passed through the through-hole. Therefore, it is possible to prevent light reflected from any object or the like other than the surface of the workpiece from entering the sensor, and thereby to accurately measure the intensity of light reflected from the surface of the workpiece.

Abstract: A control unit of an information processing device acquires pieces of product information on a plurality of incorporated products incorporated in a target product, calculates a contribution rate of each of the incorporated products to satisfaction of a predetermined condition about a predetermined traceability item of the target product based on information on the predetermined traceability item in the product information, determines an amount of an incentive for each of the incorporated products based on the contribution rate of each of the incorporated products, and notifies an account of a supplier of each of the incorporated products about information on the amount of the incentive.

Abstract: An information processing device determines whether a predetermined target value regarding a predetermined traceability item has been achieved based on information regarding the predetermined traceability item included in product information regarding each of a plurality of included products included in the target product. In addition, when a determination is made that the predetermined target value regarding the predetermined traceability item has not been achieved, the information processing device specifies at least one first product required to be improved regarding the predetermined traceability item from among the included products. Then, the information processing device outputs an improvement request for the predetermined traceability item for the first product.

Abstract: A solar charging system includes a solar panel, a first battery configured to be charged with electric power generated by the solar panel, a converter configured to convert electric power stored in the first battery and electric power generated by the solar panel, a second battery configured to be charged with the electric power converted by the converter, and processing circuitry. The converter includes a capacitor configured to reduce a potential difference between the second battery and the converter using a stored charge. The processing circuitry is configured to charge the capacitor by supplying electric power generated by the solar panel and electric power stored in the first battery to the capacitor, and start charging the second battery after charging the capacitor until an amount of charge of the capacitor is greater than or equal to a first prescribed value.

Abstract: An information processing apparatus includes a controller configured to: divide a plurality of visitors into two or more groups based on reserved seat information; dispatch one or more vehicles for transporting the visitors to an event site group by group, the visitors belonging to any one of the divided groups; select the recommended goods that the visitors belonging to the any one of the groups use at the event site; and determine a content prompting the visitors belonging to the any one of the groups to purchase the recommended goods.

Abstract: An unmanned driving system includes a moving object movable by remote control; a moving object configured to be movable by remote control; a remote control unit configured to perform the remote control for the moving object, wherein the remote control unit moves the moving object that has been finished a first work at a first place in a factory to a second place in the factory by the remote control, wherein the first work is a work using production equipment, wherein the second place is a place for performing a second work on the moving object; an information acquisition unit configured to acquire abnormality information, wherein the abnormality information includes at least one of information regarding abnormality in the production equipment, information regarding abnormality in the moving object, and information regarding abnormality in another moving object of the same type as the moving object; and an estimation unit configured to estimate whether or not the moving object has an abnormality using the abno

Abstract: A moving object movable by remote control comprises: a moving object communication unit for receiving a request for driving control from outside the moving object; a driving controller capable of implementing driving control over the moving object in response to the request for driving control during a course of manufacture in a factory for manufacture of the moving object; a signal detection unit for detecting an disablement signal at a predetermined place along a moving route of the moving object; and an disablement implementation unit that performs an disablement process for disabling the remote control if a first condition is fulfilled. The first condition includes an event that the disablement signal is detected or an event that the disablement signal having been detected becomes no longer detected.

Abstract: A positive electrode active material includes: an active material particle; and a coating film. The coating film covers at least a part of a surface of the active material particle. The coating film contains P, B and O as components and further contains Li and Na as optional components. The positive electrode active material satisfies relationships of “formula (1): CLi/(CP+CB)?1.50” and “formula (2): CNa/(CP+CB)?1.34”. CLi, CP, CB and CNa represent respective element concentrations each measured by X-ray photoelectron spectroscopy. CLi represents an element concentration of lithium. CP represents an element concentration of phosphorus. CB represents an element concentration of boron. CNa represents an element concentration of lithium.

Abstract: In an information processing device that executes information processing related to a platform used to collect product information of a company included in a supply chain, a control unit acquires traceability-related information included in product information of a target product that is a product of a target company. The control unit sets a reference value according to traceability-related information included in product information of one or more reference products that are products of one or more companies included in the supply chain. The control unit outputs appropriateness of the traceability-related information of the target product using the set reference value.

Abstract: A system can be configured to harvest energy from sound waves. The system can include a resonator and an acoustic energy harvester located in the resonator. The acoustic energy harvester can be configured to convert acoustic energy into electrical energy. In some instances, the resonator can be a central resonator, and a plurality of surrounding resonators can be arrayed about the central resonator. The surrounding resonators do not include an acoustic energy harvester.

Abstract: To effectively improve drivability during travel control, provided is a vehicle control device comprising a travel control unit configured to set a target acceleration of the vehicle based on a target vehicle speed and an actual vehicle speed, and execute a travel control for automatically controlling travel of the vehicle by operating the drive device based on the target acceleration; a shift control unit configured to set a target driving force, and execute a shift control for operating the transmission device based on the target driving force; and a downshift suppression control unit configured to acquire an actual acceleration during execution of the travel control and suppress execution of downshift of the transmission device by the shift control unit based on an acceleration threshold value.

Abstract: A method that is performed by an information processing device includes: acquiring biometric information of each of a plurality of spectators who is going to visit an event venue; and determining, based on the biometric information, an operation plan for one or more vehicles to transport the spectators to and/or from the event venue.