Abstract: An air-cooling device includes a radiator, a duct, and a fan. The radiator includes a radiator core and a frame connected to an outer peripheral portion of the radiator core. The duct is disposed forward of the radiator. The duct includes an opening disposed forward of the radiator core and an air guide that extends from the frame to an end of the opening. The fan causes air to flow from the opening to the radiator core. The frame is disposed to extend from a position on one side of a straight line to a position on an opposite side of the straight line, the straight line extending rearward from the end of the opening. A connecting portion between the frame and the air guide is located at a distance from the straight line.

Abstract: A water electrolysis system comprising: a water electrolysis device that performs electrolysis of water; a water supply device that supplies water to the water electrolysis device; a power supply that supplies a current to the water electrolysis device; and a control device that adjusts a water flow amount of water supplied from the water supply device to the water electrolysis device, wherein the control device reduces a water flow amount of water supplied from the water supply device to the water electrolysis device when the value X is 1.3 or more, where X is a product of a current density (A/cm2) of the current supplied to the water electrolysis device and a viscosity (mPa·s) of water supplied to the water electrolysis device.

Abstract: A method of controlling battery replacement includes obtaining information on a battery (first battery) and giving a notification that encourages battery replacement to a user of an electrically powered vehicle when a battery (second battery) lower in SOC than the battery is provided at a battery station (battery replacement station). The method of controlling battery replacement includes controlling the battery station such that the battery and the battery lower in SOC than the battery are replaced with each other.

Abstract: A vehicle speed control method includes: a calculation step of calculating a first vehicle speed when a vehicle moves in a roundabout, on the basis of curvature information indicating curvature related to the roundabout; a first control step of bringing a vehicle speed of the vehicle close to a second vehicle speed that is lower than the first vehicle speed, when the vehicle enters the roundabout; and a second control step of bringing the vehicle speed of the vehicle close to the first vehicle speed, after the vehicle enters the roundabout.

Abstract: An information display device is provided, which includes at least one processor, the at least one processor being configured to: acquire disaster information corresponding to a current position of a vehicle; generate a first image displaying the current position of the vehicle on a narrow-area map of vehicle surroundings; generate a second image displaying an entirety of a disaster-stricken area identified from the disaster information and the current position of the vehicle on a wide-area map of vehicle surroundings; and effect adjacent display of the first image and the second image at a display unit provided inside a vehicle cabin.

Abstract: An example operation includes one or more of receiving, from a vehicle, a request for a charge, determining, based on one or more preferences related to the vehicle, a charging location used by another vehicle with the same preferences, and routing the vehicle to the charging location based on the determining.

Abstract: A storage module including a tank includes: a filling port configured to fill the tank with gas, a supply port configured to supply gas from the tank to a supply destination a release port configured to release gas from the tank, a first channel that is a channel connecting the tank and the filling port, a second channel that is a channel connecting the tank and the supply port, and a release channel that is a channel connecting at least one of the first channel, the second channel, and the tank, to the release port.

Abstract: A wireless communication control method suppresses interference using an MMSE weight in an environment of wireless communication where the number of transmission stations transmitting a signal to a receiving station is larger than the number of reception antennas of the receiving station. The receiving station calculates power of an interference signal included in a signal received by the receiving station from the transmission stations the number of which is larger than the number of reception antennas, the interference signal corresponding to a part by which the number of transmission stations exceeds the number of reception antennas. The receiving station calculates the MMSE weight depending on the power of the interference signal, recalculates the power of the interference signal using the MMSE weight, and recalculates the MMSE weight depending on the recalculated power of the interference signal.

Abstract: A power control system includes: an ECU configured to control (i) charging from a power facility to a vehicle and (ii) discharging from the vehicle to the power facility; and a user terminal configured to allow a user to separately set a charging power setting value and a discharging power setting value. When the charging from the power facility to the vehicle is performed, the ECU is configured to control power charged to the vehicle per unit time to correspond to the charging power setting value set by the user using the user terminal. When the discharging from the vehicle to the power facility is performed, the ECU is configured to control power discharged from the vehicle per unit time to correspond to the discharging power setting value set by the user using the user terminal.

Abstract: A lithium metal secondary battery comprises a positive electrode, a negative electrode, and an electrolyte. The negative electrode includes a negative electrode current collector and a pillar layer. The pillar layer is placed on a surface of the negative electrode current collector. The pillar layer includes a plurality of electrically-insulating pillars. Each of the plurality of electrically-insulating pillars extends in a direction heading from the surface of the negative electrode current collector toward the positive electrode. Lithium ions are dissolved in the electrolyte. A charging reaction of the negative electrode is a deposition reaction of a lithium metal occurring in a gap between the electrically-insulating pillars. A discharging reaction of the negative electrode is a dissolution reaction of the lithium metal occurring in the gap.

Abstract: The fuel vapor treatment apparatus includes a fuel tank, a canister, a vapor passage, a purge passage, a sealing valve, a purge valve, an outside air introduction passage, a switching valve, and a differential pressure detector. A processing device of the fuel vapor treatment apparatus includes a purge control unit and a purge diagnosis unit. The purge control unit performs a purge process by opening the purge valve in a state where the purge valve and the sealing valve are closed and the switching valve is opened. The purge diagnosis unit diagnoses whether or not the purge process is normal based on the amount of change in the differential pressure between before and after the opening of the purge valve.

Abstract: The driver estimation device includes: a collection unit that collects a plurality of pieces of time series driving data of a vehicle in units from one start point to one end point; a calculation unit that calculates a degree of deviation between a plurality of elements each included in a corresponding one of the pieces of time series driving data and each indicating a location; and a labeling unit that attaches a driver label to each of the pieces of time series driving data by clustering the pieces of time series driving data based on the degree of deviation.

Abstract: A downsized differential gear unit designed to prevent transmission of an excessive torque. The differential gear unit comprises: a differential mechanism held in a casing; a ring gear mounted rotatably and reciprocatably on the casing; a friction mechanism that is arranged between the ring gear and the casing; and an elastic member that pushes the ring gear in an axial direction. A torque possible to be transmitted between the ring gear and the casing is set to a torque governed by a pushing force of the elastic member and the frictional force of the friction mechanism.

Abstract: A management server performs processing including registering reservation information when it accepts the reservation information, when a period of use covers all time frames of a DR request, when an intention to participate in DR is indicated, and when a reservation can be made, canceling a tentative reservation when the reservation cannot be made but when a reservation can be made in a tentative reservation time slot, and registering tentative reservation information when the intention to participate in DR is not indicated and when a reservation can be made.

Abstract: An artificial muscle including a housing, an electrode pair positioned in an electrode region of the housing, the electrode pair including a first electrode and a second electrode, the first electrode and the second electrode each including a pair of tab portions and a bridge portion interconnecting the pair of tab portions, and a first closing aid provided exteriorly of the housing opposite the electrode pair and applying a force in a direction toward the electrode region of the housing, wherein the electrode pair is actuatable between a non-actuated state and an actuated state such that actuation from the non-actuated state to the actuated state results in attraction of the first electrode and the second electrode.

Abstract: The crushing and classifying device of the present disclosure includes a crushing chamber into which an electrode material is inserted, a rotating shaft, a striking body, and a screen. The rotating shaft is disposed in the crushing chamber and rotates under a driving force. The striking body has a rod shape or a chain shape, and is rotatably connected at one end to the rotating shaft, and rotates in the crushing chamber by receiving a centrifugal force associated with the rotating of the rotating shaft. The screen is provided on a wall surface of the crushing chamber, and classifies the crushed electrode material. The striking body includes, at least at its distal end, an edge portion rounded to have a radius of curvature greater than or equal to 1 mm and less than or equal to 9 mm. The screen has an opening that is equal to or less than 5 mm.

Abstract: The cruising range estimation method includes: a collection step of collecting a plurality of fuel consumption learning values corresponding to a plurality of fuel cell electric vehicle from a plurality of fuel cell electric vehicle; a generation step of generating fuel consumption data indicating a temporal change in fuel consumption based on the plurality of fuel learning values; a calculation step of calculating a correction value for correcting the latest fuel consumption learning value based on the latest fuel consumption learning value of one fuel cell electric vehicle and the fuel consumption data when there is a demand from one of the plurality of fuel cell electric vehicle; a transmission step of transmitting the calculated correction value to one fuel cell electric vehicle; and a correction step of correcting the latest fuel consumption learning value using the correction value by the one fuel cell electric vehicle.

Abstract: A vehicle driver assistance device executes safety assistance control for enhancing travel safety of a vehicle. When a level of fatigue of a driver of the vehicle becomes equal to or higher than a predetermined level, the vehicle driver assistance device increases a safety assistance level, which is a level for increasing the travel safety of the vehicle, by safety assistance control, and notifies the driver that the safety assistance level has been increased, and after the safety assistance level has been increased, when the vehicle passes a rest spot, which is a spot where the driver can rest, the vehicle driver assistance device lowers the safety assistance level and notifies the driver that the safety assistance level has been lowered.

Abstract: System, methods, and other embodiments described herein relate to estimating the origins of abnormal driving through observed driving patterns. In one embodiment, a method includes detecting, using parallel computations, abnormal classifications associated with a subject vehicle and nearby vehicles according to driving patterns derived from observation data, the abnormal classifications being associated with exceeding a position range in the observation data. The method also includes estimating an origin of abnormal driving with happens-before analysis according to the abnormal classifications, and the abnormal driving is associated with deviations in a traffic flow associated with the subject vehicle and the nearby vehicles. The method also includes controlling the subject vehicle using a driving command according to the origin.

Abstract: A server includes a control unit configured to extract, among facilities different from a power controller configured to execute power control including at least one of charging and discharging of an electrified vehicle, the facility that is available, during a reservation period for use of the power controller, to a user who uses the power controller during the reservation period and a communication unit configured to transmit information on the extracted facility to at least one of the electrified vehicle and an information device that are associated with the user.