Abstract: A rubber composition contains a rubber component, polyparaphenylene terephthalamide short fibers, silica, and carbon black. The content of the silica is larger than the content of the carbon black.

Abstract: A travel control apparatus controls automated driving travel of a vehicle by making a transition between a plurality of control states based on a surrounding environment of the vehicle. The travel control apparatus includes a skill level acquisition unit configured to acquire a skill level of a vehicle occupant about automated driving, and a control unit configured to control the automated driving travel of the vehicle in one of the plurality of control states based on the surrounding environment of the vehicle sensed by a sensing unit.

Abstract: A vehicle control device is provided with a timing selection unit configured to select, during automated driving, either one of a first notification timing at which notification of a driving takeover request is issued in the case that a remaining distance to a scheduled switching point from the automated driving to manual driving has become less than or equal to a predetermined distance, and a second notification timing at which notification of the driving takeover request is issued in the case that a remaining time period until reaching the scheduled switching point is less than or equal to a predetermined time period, wherein the timing selection unit selects the first notification timing or the second notification timing based on a present travel speed or a scheduled travel speed.

Abstract: A vehicle control device is provided with a timing selection unit configured to select, during automated driving, either one of a first notification timing at which notification of a driving takeover request is issued in the case that a remaining distance to a scheduled switching point from the automated driving to manual driving has become less than or equal to a predetermined distance, and a second notification timing at which notification of the driving takeover request is issued in the case that a remaining time period until reaching the scheduled switching point is less than or equal to a predetermined time period, wherein the timing selection unit selects the first notification timing or the second notification timing based on a present travel speed or a scheduled travel speed.

Abstract: A friction transmission belt has a rubber layer forming a pulley contacting portion. The rubber layer is made of a rubber composition containing a crosslinked rubber component and crosslinked polyolefin particles. Examples of the crosslinked polyolefin particles can contain ultrahigh molecular weight polyolefin particles having an average molecular weight of 500,000 or more.

Abstract: A vehicle control device including: a recognizer (13) that recognizes a surrounding situation of a subject vehicle; a driving controller (140 or 160) that executes driving control of controlling one or both of steering and acceleration/deceleration of the subject vehicle on the basis of the surrounding situation recognized by the recognizer; and a notifier (30 or 180) that notifies a vehicle occupant of the subject vehicle of predetermined information, wherein the driving controller sets a degree of margin for a surrounding environment set in the driving control after start of the notification of the predetermined information using the notifier to be higher than that before start of the notification of the predetermined information.

Abstract: A vehicle control device including: a recognizer (13) that recognizes a surrounding situation of a subject vehicle; a driving controller (140 or 160) that executes driving control of controlling one or both of steering and acceleration/deceleration of the subject vehicle on the basis of the surrounding situation recognized by the recognizer; and a notifier (30 or 180) that notifies a vehicle occupant of the subject vehicle of predetermined information, wherein the driving controller sets a degree of margin for a surrounding environment set in the driving control after start of the notification of the predetermined information using the notifier to be higher than that before start of the notification of the predetermined information.

Abstract: According to the present invention, a vehicle control device that carries out driving support or automated driving of a self-vehicle is provided. The vehicle control device comprises a steering controller that performs steering control on a manual operation by a driver or an automated operation. The steering controller accepts steering input by a manual operation by the driver in addition to a system steering amount by the vehicle control device while steering control by the vehicle control device is performed, returns a predetermined reaction force to the manual operation upon accepting the steering input, and makes the reaction force to the manual operation larger in a case where traveling is performed in a second state where steering wheel grasping is unrequired, as compared with a case where traveling is performed in a first state where steering wheel grasping is required.

Abstract: A travel control apparatus controls automated driving travel of a vehicle by making a transition between a plurality of control states based on a surrounding environment of the vehicle. The travel control apparatus includes a skill level acquisition unit configured to acquire a skill level of a vehicle occupant about automated driving, and a control unit configured to control the automated driving travel of the vehicle in one of the plurality of control states based on the surrounding environment of the vehicle sensed by a sensing unit.

Abstract: A control apparatus for controlling a vehicle includes a travel control unit configured to perform travel control of the vehicle and a guidance unit capable of providing guidance relating to the travel control. When an operation of the travel control unit is controlled by an operation apparatus, the guidance unit determines whether to provide guidance on a basis of a past operation state of at least one of the travel control unit or the guidance unit.

Abstract: A rubber composition contains a rubber component, polyparaphenylene terephthalamide short fibers, silica, and carbon black. The content of the silica is larger than the content of the carbon black.

Abstract: A friction transmission belt has a rubber layer forming a pulley contacting portion. The rubber layer is made of a rubber composition containing a crosslinked rubber component and crosslinked polyolefin particles. Examples of the crosslinked polyolefin particles can contain ultrahigh molecular weight polyolefin particles having an average molecular weight of 500,000 or more.

Abstract: A vortex generating apparatus includes: a member to contact with a flow of a fluid to form a stagnation point and a first and a second separation points on a periphery of a cross section of the member parallel to the flow; a disturbance applying unit to apply a disturbance to an upstream side of the first separation point to cause part of a boundary layer of the flow to adhere; and a controller to temporally control the application of the disturbance to change an adhesion distance from the stagnation point to the first separation point so as to generate a dynamic stall vortex.

Abstract: A wind power generation system has a windmill, a lift improvement device, a power generator, a storage, and a controller. The windmill rotates when receiving an airflow. The lift improvement device has a capability of operating and halting, the lift improvement device increases a lift force to a blade of the windmill when operating. The power generator generates power by rotation of the windmill and a torque is generated in a direction suppressing rotation of the windmill. The storage stores a plurality of characteristic maps indicating characteristics of the torques of the power generator in relation to rotation speeds of the power generator. The controller controls a power generation amount of the power generator by switching and using the plurality of characteristic maps of the storage in correspondence with a state of operating or halting of the lift improvement device.

Abstract: An airflow generation device of an embodiment has a main body and a voltage application unit. The main body has a base formed of an insulating material and provided with a first electrode and a second electrode. The voltage application unit generates an airflow by applying voltage between the first electrode and the second electrode. Here, the main body is formed to include a portion which gradually decreases in thickness from a center portion to an end portion.

Abstract: At least part of a belt body of a transmission belt contacting a cord is made of a rubber composition containing ethylene-?-olefin elastomer as a rubber component and formed in such a manner that the rubber component is mixed with ?,?-unsaturated fatty acid metallic salt and then is crosslinked using sulfur.

Abstract: A power transmission belt is used by being wound around a flat pulley so that an outer peripheral surface thereof contacts with the flat pulley. A portion forming the outer peripheral surface is made of a rubber composition including an ethylene-?-olefin elastomer as a rubber component thereof. The dynamic viscoelasticity properties of the rubber composition in a belt length direction satisfy ((a loss tangent tan ? at a temperature of 25° C. and a dynamic strain of 3.0%)/(a storage elastic modulus E? at a temperature of 25° C. and a dynamic strain 3.0%))×1000?3.0 MPa?1, and (a storage elastic modulus E? at a temperature of 25° C. and a dynamic strain of 1.0%)/(a storage elastic modulus E? at a temperature of 25° C. and a dynamic strain of 3.0%)?1.30.

Abstract: A voltage application device of an embodiment applies a voltage between a first and second electrode disposed separately from each other in an airflow generation device, which is disposed on a rotation blade of a rotation apparatus, in which a rotation shaft of the rotation blade is held rotatably by a holding part. In the voltage application device of the embodiment, a voltage output unit outputs a voltage. Then, a sliding type transmission unit having electrodes disposed respectively on the rotation blade side and the holding part side of the rotation shaft transmits a voltage outputted from the voltage output unit from the holding part side to the rotation blade side. Then, a transformation unit disposed on the rotation blade side increases the voltage transmitted by the sliding type transmission unit and outputs the voltage to the airflow generation device.

Abstract: A wind farm of an embodiment includes a wind turbine and an airflow generation device, the wind turbine being installed in plurality in a predetermined installation region. The wind turbines each have a blade attached to a rotor. The airflow generation device includes a first electrode and a second electrode which are provided on a substrate formed of an insulating material. Here, the plural wind turbines include: a first wind turbine located on an upstream side and a second wind turbine located on a more downstream side than the first wind turbine, in a wind direction with a higher yearly frequency than a predetermined value, out of wind directions of wind blowing in the installation region. The airflow generation device is installed on the blade provided in the first wind turbine out of the plural wind turbines.

Abstract: An airflow control device 10 in an embodiment includes: a vortex shedding structure portion 20 discharging an airflow flowing on a surface in a flow direction as a vortex flow; and a first electrode 40 and a second electrode 41 disposed on a downstream side of the vortex shedding structure portion 20 via a dielectric. By applying a voltage between the first electrode 40 and the second electrode 41, flow of the airflow on the downstream side of the vortex shedding structure portion 20 is controlled.