Abstract: A torsional damper is provided with: a hub affixed to a rotary shaft and having an outer-circumferential surface along a circle centered on the rotary shaft; an annular oscillation ring having an inner-circumferential surface the diameter of which is larger than the outer-circumferential surface of the hub on a circle centered on the rotary shaft; and a rubber ring that exists in a compressed state between the outer-circumferential surface of the hub and the inner-circumferential surface of the oscillation ring, comprises a rubber composition the main component of which is EPDM, and has a loss coefficient (tan ?) of 0.18 or higher when the surface temperature is 60±5° C. When subjected to resonance point tracking, the rubber thickness (c) and the maximum attained surface temperature (Tmax) of the rubber ring during continuous excitation at the resonance point satisfy a prescribed relational expression.

Abstract: An electronic shelf label system 1 includes a cluster-type network CN constructed from a plurality of electronic shelf label devices and an application device communicatively connected to the cluster-type network CN. The cluster-type network CN includes a shelf label hierarchy constructed from a plurality of electronic shelf label devices which function as shelf labels for a plurality of products and a relay hierarchy constructed from a plurality of electronic shelf label devices each of which relays a signal transmitted from the application device to one of the plurality of electronic shelf label devices 4 of the shelf label hierarchy.

Abstract: A sheet feeding device includes a housing, a sheet stacker, a stacker elevator, an extension sheet stacker, and a support. The sheet stacker is included in the housing and is configured to stack a sheet. The stacker elevator is configured to elevate the sheet stacker. The extension sheet stacker is attached to the sheet stacker and is configured to extend outward from the housing. The support is configured to support the extension sheet stacker and has an inclined portion configured to diagonally extend in a sheet conveyance direction, to the housing from a position upstream from a center of the extension sheet stacker in the sheet conveyance direction, when viewed from a width direction of the sheet.

Abstract: A motor drive system includes a battery, double-stator axial gap motors, inverter circuits configured to control power running drive and regenerative drive of the double-stator axial gap motors, step-up/step-down circuits configured to adjust at least voltage of regeneratively generated power of the double-stator axial gap motors, and one or more control devices configured to control drive of the inverter circuits and the step-up/step-down circuits. Each of the double-stator axial gap motors includes two stators. Each of the inverter circuits are connected to a respective one of the two stators. The inverter circuits are connected in series. A single step-up/step-down circuit among the step-up/step-down circuit is provided for each of the axial gap motors. The single step-up/step-down circuit provided for each of the axial gap motors is connected to one of two inverter circuits connected to the two stators among the inverter circuits.

Abstract: A vehicle drive system includes a battery, at least one drive motor, inverter circuits, a step-up circuit, and a switch. The inverter circuits are configured to drive the at least one drive motor. The step-up circuit is connected between the battery and the inverter circuits. The switch is configured to switch a connection state of the inverter circuits to the step-up circuit between series connection and parallel connection.

Abstract: An information processing device to be used in a data collection system configured to collect data to be acquired during traveling of a vehicle includes a travel position setting unit, a guidance information output unit, and a data acquisition unit. The travel position setting unit is configured to set an ideal travel position for the vehicle on the basis of information of a request of a requester for collecting the data. The guidance information output unit is configured to output guidance information used to guide the vehicle on the basis of information of the ideal travel position. The data acquisition unit is configured to acquire collection data serving as the data to be collected during a period of time within which the vehicle travels in accordance with the ideal travel position.

Abstract: A lead member for a secondary battery includes a conductor, and a covering material. The conductor has an upper surface and a lower surface that extend in a length direction and a width direction and are opposite to each other, and a first side surface and a second side surface that extend in the length direction and a thickness direction, connect the upper surface to the lower surface, and are opposite to each other. The covering material is formed by sticking a plurality of insulating films together to surround the upper surface, the first side surface, the lower surface, and the second side surface. Each of the plurality of insulating films includes an inner layer and an outer layer, in an order from a side closer to the conductor. The lead member includes a first insulator and a second insulator on the first side surface and the second side surface of the conductor respectively, in an area surrounded by the covering material of the conductor.

Abstract: A battery pack includes a first battery module, a first battery case accommodating the first battery module, a second battery module, and a second battery case placed on an upper side of the first battery case so as to overlap each other and accommodating the second battery module. The second battery module is fixed to a fastening portion formed on a bottom surface of the second battery case and bulging downward. A hole portion for accommodating the fastening portion is provided on an upper surface of the first battery case at a position overlapping the fastening portion when viewed from above.

Abstract: A battery pack includes a first battery case accommodating a plurality of cells, and a second battery case laminated above the first battery case and accommodating a plurality of cells. The first battery case has a first through-hole on an upper surface. The second battery case has a second through-hole on a bottom surface which communicates with the first through-hole. The battery pack includes a communication port composed of the first through-hole and the second through-hole, a gas discharge valve which is provided only in either the first battery case or the second battery case and opens when internal pressure of the battery pack is higher than a predetermined value, and a temperature sensor provided on a gas flow path connected to the gas discharge valve.

Abstract: A data processing apparatus includes a communicator, an acquisition unit, and an output controller. The communicator is configured to receive request data from a server. The request data contains a content of a request for collection of traveling state data of a vehicle. The acquisition unit is configured to acquire the traveling state data of the vehicle on the basis of the request data received by the communicator. The output controller is configured to cause an output device to output an acquisition status of the traveling state data acquired by the acquiring unit.

Abstract: A torsional damper is provided with: a hub affixed to a rotary shaft and having an outer-circumferential surface along a circle centered on the rotary shaft; an annular oscillation ring having an inner-circumferential surface the diameter of which is larger than the outer-circumferential surface of the hub on a circle centered on the rotary shaft; and a rubber ring that exists in a compressed state between the outer-circumferential surface of the hub and the inner-circumferential surface of the oscillation ring, comprises a rubber composition the main component of which is EPDM, and has a loss coefficient (tan ?) of 0.18 or higher when the surface temperature is 60±5° C. When subjected to resonance point tracking, the rubber thickness (c) and the maximum attained surface temperature (T max) of the rubber ring during continuous excitation at the resonance point satisfy a prescribed relational expression.

Abstract: A data collecting system includes a server and a data processing apparatus. The server holds at least one piece of request data including at least a content of a request for collection of traveling state data on a vehicle and a requisite condition for the collection of the traveling state data. The server sends request data of interest to the data processing apparatus. The data processing apparatus acquires the traveling state data on the vehicle on the basis of the request data of interest received from the server, and sends the acquired traveling state data to the server.

Abstract: A control apparatus for a vehicle includes: a target yaw rate calculator; a primary limit yaw rate calculator; a yaw rate comparator; a secondary limit yaw rate calculator; and a vertical load controller. The target yaw rate calculator calculates a target yaw rate of the vehicle. The primary limit yaw rate calculator calculates a primary limit yaw rate on a basis of a vertical load on a wheel. The yaw rate comparator compares the target yaw rate with the primary limit yaw rate. The secondary limit yaw rate calculator calculates a secondary limit yaw rate in a case where a distribution of the vertical load on the wheel is changed in a case where the target yaw rate exceeds the primary limit yaw rate. The vertical load controller changes the vertical load on a basis of the secondary limit yaw rate.

Abstract: A vehicle information calculation apparatus includes a motor torque acquisition unit, an angular acceleration acquisition unit, a contact force acquisition unit, and an inertia moment calculator. The motor torque acquisition unit acquires a torque of a motor that drives a vehicle. The angular acceleration acquisition unit acquires an angular acceleration of the motor. The contact force acquisition unit acquires a contact force of a wheel of the vehicle. The inertia moment calculator calculates an inertia moment of a rotating system of the vehicle including the wheel on the basis of the torque acquired by the motor torque acquisition unit, the angular acceleration acquired by the angular acceleration acquisition unit, the contact force acquired by the contact force acquisition unit, and a coefficient of friction between the wheel of the vehicle and a contact surface.

Abstract: A battery pack includes a first battery case accommodating a plurality of cells, and a second battery case laminated above the first battery case and accommodating a plurality of cells. The first battery case has a first through-hole on an upper surface. The second battery case has a second through-hole on a bottom surface which communicates with the first through-hole. The battery pack includes a communication port composed of the first through-hole and the second through-hole, a gas discharge valve which is provided only in either the first battery case or the second battery case and opens when internal pressure of the battery pack is higher than a predetermined value, and a temperature sensor provided on a gas flow path connected to the gas discharge valve.

Abstract: A battery pack includes a first battery module, a first battery case accommodating the first battery module, a second battery module, and a second battery case placed on an upper side of the first battery case so as to overlap each other and accommodating the second battery module. The second battery module is fixed to a fastening portion formed on a bottom surface of the second battery case and bulging downward. A hole portion for accommodating the fastening portion is provided on an upper surface of the first battery case at a position overlapping the fastening portion when viewed from above.

Abstract: An information processing device to be used in a data collection system configured to collect data to be acquired during traveling of a vehicle includes a travel position setting unit, a guidance information output unit, and a data acquisition unit. The travel position setting unit is configured to set an ideal travel position for the vehicle on the basis of information of a request of a requester for collecting the data. The guidance information output unit is configured to output guidance information used to guide the vehicle on the basis of information of the ideal travel position. The data acquisition unit is configured to acquire collection data serving as the data to be collected during a period of time within which the vehicle travels in accordance with the ideal travel position.

Abstract: A method for constructing a cluster-type network with a plurality of communication devices contains a step for transmitting signals containing state information relating to states of the plurality of communication devices among the plurality of communication devices and a step for constructing the cluster-type network so that one of the plurality of communication devices is set as the master unit according to a predetermined master-slave determination condition based on the state information of each of the plurality of communication devices contained in the signals.

Abstract: A data processing apparatus includes a communicator, an acquisition unit, and an output controller. The communicator is configured to receive request data from a server. The request data contains a content of a request for collection of traveling state data of a vehicle. The acquisition unit is configured to acquire the traveling state data of the vehicle on the basis of the request data received by the communicator. The output controller is configured to cause an output device to output an acquisition status of the traveling state data acquired by the acquiring unit.

Abstract: A data collecting system includes a server and a data processing apparatus. The server holds at least one piece of request data including at least a content of a request for collection of traveling state data on a vehicle and a requisite condition for the collection of the traveling state data. The server sends request data of interest to the data processing apparatus. The data processing apparatus acquires the traveling state data on the vehicle on the basis of the request data of interest received from the server, and sends the acquired traveling state data to the server.