Abstract: Provided is a fluid dynamic bearing device, including: a shaft member; a bearing sleeve (18) having the shaft member inserted along an inner periphery thereof; and dynamic pressure generating grooves (26) configured to support the shaft member in a relatively rotatable and non-contact manner with pressure of an oil film formed in a radial bearing gap defined between an outer peripheral surface of the shaft member and an inner peripheral surface (24) of the bearing sleeve (18). The dynamic pressure generating grooves (26) include: the large number of polygonal hill portions (27) arranged in a pattern on the inner peripheral surface (24) of the bearing sleeve (18) ; and polygonal groove portions (28) formed in such a manner as to surround the polygonal hill portions (27).

Abstract: A power system supervisory control apparatus, a power system supervisory control system, and a power system supervisory control method for reducing social cost and improving resilience of a power system are provided. The power system supervisory control apparatus including multiple renewable energy power supplies includes: a system influence degree evaluation section that evaluates a system influence degree when a renewable energy fluctuation or an assumed fault has an influence on the power system by using, as computation conditions, system data for obtaining a state of the power system, renewable energy fluctuation data indicative of a fluctuation of a power generation output, and assumed fault data of an assumed fault in the power system, and calculates system influence degree evaluation result data; a computation condition selection index calculation section that calculates a selection index for the computation conditions; and a condition selection section that selects the computation conditions.

Abstract: A package-type fluid machine includes a compressor unit including a compression portion that compresses a fluid, a motor that drives the compression portion, and a cooling fan that is driven by the motor; a machine chamber in which the compressor unit is disposed; an inverter chamber which is adjacent to the machine chamber and in which an inverter is disposed; a partition wall that partitions off the machine chamber from the inverter chamber and has an opening; and an inverter intake port that is disposed in the inverter chamber to take in a cooling gas. The cooling fan is disposed on a side of the machine chamber, the opening being located on the side. The cooling fan is driven to cause the cooling gas to flow from the inverter intake port to the opening to cool the inverter.

Abstract: A vehicle control device includes a recognizer configured to recognize a surrounding situation of a vehicle, a driving controller configured to control steering and acceleration or deceleration of the vehicle without depending on an operation of a driver of the vehicle, and a mode determiner configured to determine a driving mode of the vehicle to be one of a plurality of driving modes including a first driving mode and a second driving mode, in which it is recognized that there is an end point to end the second driving mode due to a road structure on a traveling direction side of the vehicle, and the driving mode of the vehicle is changed from the second driving mode to the first driving mode when a distance from the end point is equal to or less than a reference distance.

Abstract: A vehicle control device includes a recognition part, a driving control part, and an output control part. When determining there is a section where a current driving mode cannot be continued in a first lane and the vehicle changes to a second lane, the output control part outputs predetermined information, including first and second information, before reaching the section. When detecting an intention to change lanes after outputting the first information, and a lane change to the second lane is completed before outputting the second information, the driving control part continues a first driving mode executed during traveling in the first lane even after the lane change is completed, and when detecting the intention to change lanes after outputting the first information, and the lane change to the second lane is completed after outputting the second information, the driving control part changes to a driving mode imposing a larger task.

Abstract: A moving body control apparatus includes a cancel control section performing control to cancel a lane change when a first cancel condition and a second cancel condition for cancelling the lane change are satisfied. When the first cancel condition is satisfied with the grip of an occupant on a manipulator being a prescribed level or greater, if a distance in a vehicle width direction between a moving body and a lane marker is a first distance threshold value or greater, the cancel control section judges that the second cancel condition is satisfied and cancels the lane change, and when the first cancel condition is satisfied with the grip being less than the prescribed level, if the distance is not less than a second distance threshold value greater than the first distance threshold value, the cancel control section judges that the second cancel condition is satisfied and cancels the lane change.

Abstract: A control device that controls a vehicle, the control device comprising: an obtaining unit configured to obtain peripheral information of the vehicle; a specifying unit configured to specify a travel path of the vehicle and a curved road ahead of the travel path of the vehicle on the basis of the peripheral information; a prediction unit configured to predict whether or not automatic lane change is performed on the curved road; and a control unit configured to control a speed of the vehicle on the basis of a prediction result of the prediction unit and a curvature of the curved road.

Abstract: A vehicle system recognizes a situation of surroundings of a host vehicle, automatically controls at least steering of the host vehicle on the basis of the recognized situation of the surroundings to cause the host vehicle to perform lane change, acquires information on a route from a navigation device guiding the route along which the host vehicle travels, and suppresses control for assisting the steering on the basis of an event regarding the route when the event occurs in the navigation device.

Abstract: A vehicle system executes a first operation of presenting lane change to an adjacent lane adjacent to a lane in which a host vehicle travels to a driver without considering of guiding the host vehicle to a set destination, and causing the host vehicle to perform the lane change on the basis of an instruction of the driver, a second operation for proposing a lane change required for guidance of the host vehicle to the destination to the driver and causing the host vehicle to perform a lane change on the basis of approval of the proposal by the driver, and a third operation for stopping presenting and proposing the lane change in a set period between the first operation and the second operation when a plan is to execute the second operation after the first operation.

Abstract: A vehicle system restricts causing a host vehicle to perform lane change to a third lane adjacent to a second lane and a first lane and opposite to the second lane without depending on an operation of a driver, when determining that the host vehicle travels in the first lane and the second lane adjacent to the first disappears at a first distance ahead from a position of the host vehicle, and permits causing the host vehicle to perform the lane change to the third lane without depending on an operation of a driver, when the host vehicle reaches a second distance set between the first distance and a position at which the second lane disappears.

Abstract: A control device controls at least steering of a host vehicle to execute branch control, the branch control including lane keeping control for causing the host vehicle to travel so that the host vehicle does not deviate from a first lane in which the host vehicle travels, and lane change control for causing the host vehicle to change lanes to a second lane branching from the first lane, and stops the lane keeping control and the lane change control when an event in which the branch control is not executable occurs after starting the lane change of the host vehicle from the first lane to the second lane on the basis of the lane change control, in a case in which the host vehicle plans on traveling from the first lane to the second lane through execution of the lane keeping control and the lane change control.

Abstract: A vehicle control device according to an embodiment includes a recognizer that recognizes a surroundings situation of a host vehicle, and a driving controller that generates a target trajectory for the host vehicle on the basis of a recognition result of the recognizer, and control one or both of speed and steering of the host vehicle so that the host vehicle travels along the generated target trajectory, the recognizer searches for, in a branch section in which a main lane and a plurality of branch lanes are connected, a number-of-lanes increase start position satisfying a predetermined condition in a start point direction of the branch section from a maximum width position of the branch section, and the driving controller generates the target trajectory passing through the number-of-lanes increase start position and traveling in the branch lane.

Abstract: A vehicle control apparatus includes a microprocessor configured to perform generating an action plan so that the subject vehicle moves from a first lane to a second lane when it is determined that the lane change is necessary. The target route includes a specific road in which the second lane is separated from the first lane up to a first point ahead of a current position, the second lane is adjacent to the first lane from the first point to a second point ahead of the first point, and the second lane is separated from the first lane again behind the second point. The action plan is generated so that the lane change is performed in a section from the first point to the second point, and the lane change is started from a position away from the first point by a predetermined distance ahead.

Abstract: A vehicle control device according to an embodiment includes a recognizer that recognizes a surroundings situation of a host vehicle, and a driving controller that generates a target trajectory for the host vehicle on the basis of a recognition result of the recognizer, and controls one or both of speed and steering of the host vehicle so that the host vehicle travels along the generated target trajectory, and the driving controller generates the target trajectory so that a degree of interference between a demarcation line demarcating the main line side and the branch lane side and the target trajectory of the host vehicle is reduced when the host vehicle is caused to perform course change from the main line side to the branch lane side in a branch section in which a main line and a branch lane are connected.

Abstract: A vehicle control apparatus includes a microprocessor configured to perform: generating an action plan so that the subject vehicle moves from the first lane to the second lane according to a mode of the lane change when it is determined that the lane change is necessary. The target route includes a branching road in which the second lane is adjacent to the first lane from a first point to a second point ahead of the first point in a traveling direction and the second lane is separated from the first lane behind the second point. The deciding including deciding, based on a length from the first point to the second point, the mode of the lane change to be a first mode or a second mode having a different reference position for determining a start position of control of the lane change each other.

Abstract: A vehicle control device according to an embodiment includes a recognizer that recognizes a surroundings situation of a host vehicle, and a driving controller that generates a target trajectory for the host vehicle on the basis of a recognition result of the recognizer, and controls one or both of speed and steering of the host vehicle so that the host vehicle travels along the generated target trajectory, the recognizer searches for, in a branch section in which a main lane and a plurality of branch lanes are connected, a number-of-lanes increase end position satisfying a predetermined condition on the start position side of the branch section, rather than an end position of the branch section, and the driving controller generates the target trajectory so that course change to the branch lane is completed until the host vehicle reaches the number-of-lanes increase end position.

Abstract: A vehicle control device according to an embodiment includes a recognizer that recognizes a surroundings situation of a host vehicle, and a driving controller that generates a target trajectory for the host vehicle, and controls the host vehicle travels along the generated target trajectory, a map information has at least a start point, an end point, and demarcation line information of a branch section in which a main line and a branch lane are connected, the recognizer sets a virtual demarcation line on the branch side on the basis of information on a demarcation line on the main line side in the branch section when the recognizer cannot recognize a demarcation line on the branch side in the branch section in front of the host vehicle, and the driving controller generates a target trajectory in the branch section on the basis of the set virtual demarcation line.

Abstract: A vehicle control device of an embodiment performs a lane change from a first lane in which the host vehicle travels to a second lane in a case where a first condition is satisfied, performs a lane change of returning from the second lane to the first lane in a case where a second condition is satisfied after the lane change to the second lane, determines, in a case where there are one or more preceding vehicles traveling in front of the host vehicle in the first lane, whether the set vehicle speed of the host vehicle is able to be maintained after the host vehicle performs the lane change from the second lane to the first lane, and determines whether a return lane change from the second lane to the first lane is performed.

Abstract: A control device controlling a vehicle, includes a control unit configured to execute lane change assist control of the vehicle, and an acquisition unit configured to acquire highly accurate map information that contains location information within a lane. When the acquisition unit acquires the highly accurate map information that contains information regarding a road on which the vehicle is running, the control unit is configured to be capable of executing the lane change assist control, and when the acquisition unit does not acquire the highly accurate map information that contains the information regarding a road on which the vehicle is running, the control unit does not execute the lane change assist control.

Abstract: A driving assistance device in a vehicle, the driving assistance device comprises a control unit configured to perform a lane change from a traveling lane in which the vehicle travels to a branch lane branching from the traveling lane, by driving assistance capable of automatically performing the lane change on an initiative of a system. The control unit acquires a travel distance in the branch lane, an elapsed time in the branch lane, and information indicating passage of an end position of the branch lane detected based on map information or external environment recognition information, after the lane change is completed by crossing a division line of the traveling lane, and ends the driving assistance in the branch lane.