Abstract: A vehicle with a road surface condition detector includes: a vehicle body configured to have one or more passengers; front and rear wheels configured to move the vehicle body; and a road surface condition detector configured to detect road surface conditions in front of the front and rear wheels, wherein the road surface condition detector includes front-wheel road surface condition detectors configured to detect road surface conditions in front of the front wheels and rear-wheel road surface condition detectors configured to detect road surface conditions in front of the rear wheels, and the rear-wheel road surface condition detectors detect areas located outer in a vehicle width direction than ends of detection areas detected by the front-wheel road surface condition detectors.

Abstract: A vehicle control system includes: a travel control unit configured to switch a driving mode of a vehicle; a traveling state detecting unit configured to detect a traveling state of the vehicle; a generating unit configured to generate at least one turning line; an external environment recognizing device configured to detect a state of an external environment of the vehicle; a setting unit configured to set a traveling area in front of the vehicle in a traveling direction thereof; and a determining unit configured to determine whether the turning line is located in the traveling area. In a case where the determining unit determines that the turning line is not located in the traveling area while a manual driving mode is selected, the travel control unit switches the driving mode of the vehicle from the manual driving mode to an autonomous driving mode.

Abstract: A first electric suspension device includes a first electromagnetic actuator that is provided between the vehicle body and a wheel of a vehicle and generates a driving force for damping vibration of the vehicle. The first electromagnetic actuator includes a columnar rod member and a casing surrounding the rod member and being provided capable of moving forward and backward axially relative to the rod member. The rod member has a conductive shaft and a tubular pipe portion surrounding the shaft. First ends of rod-side armature coils provided in the rod member are connected to the shaft. Power supply to the rod-side armature coils provided in the rod member is performed through the shaft of the rod member.

Abstract: An ECU includes: a road surface height measurer which measures road surface heights at three or more points along a vehicle-width direction in front of a tire mounted on a wheel; a position detector which detects a position at which a difference of the road surface height from an adjacent road surface height is equal to or larger than a predetermined threshold among the road surface heights at three or more points measured by the road surface height measurer; and a road surface condition determiner which excludes a value of the road surface height at the position at which the difference detected by the position detector is equal to or larger than the predetermined threshold, and determines a condition of the road surface based on the road surface heights at positions at each of which the difference from an adjacent road surface height is smaller than the predetermined threshold.

Abstract: A damper control apparatus for controlling a front damper at a front wheel and a rear damper at a rear wheel. The damper control apparatus includes: a preview sensor configured to detect a road surface state in front of a vehicle; a steering angle sensor configured to detect a steering angle of the vehicle; and a controller configured to control the front and rear dampers based on a detected value of the preview sensor. In response to the steering angle sensor detecting a steering angle that exceeds a predetermined steering angle threshold, the controller is configured to reduce control of the rear damper that is based on the detected value of the preview sensor.

Abstract: An ECU includes: a road surface height measurer which measures road surface heights at three or more points along a vehicle-width direction in front of a tire mounted on a wheel; a position detector which detects a position at which a difference of the road surface height from an adjacent road surface height is equal to or larger than a predetermined threshold among the road surface heights at three or more points measured by the road surface height measurer; and a corrector which corrects the road surface height at a position at which the difference detected by the position detector is equal to or larger than the predetermined threshold to a predetermined height.

Abstract: A vehicle with a road surface condition detector includes: a vehicle body configured to have one or more passengers; front and rear wheels configured to move the vehicle body; and a road surface condition detector configured to detect road surface conditions in front of the front and rear wheels, wherein the road surface condition detector includes front-wheel road surface condition detectors configured to detect road surface conditions in front of the front wheels and rear-wheel road surface condition detectors configured to detect road surface conditions in front of the rear wheels, and the rear-wheel road surface condition detectors detect areas located outer in a vehicle width direction than ends of detection areas detected by the front-wheel road surface condition detectors.

Abstract: An electrically powered suspension system includes: an actuator that generates a load for damping vibration of the vehicle body; an information acquisition part that acquires information on a sprung state amount and a road surface state; a target load calculation part that calculates a first target load related to skyhook control based on the sprung state amount and calculates a second target load related to preview control based on the road surface state; and a load control part. The target load calculation part is further configured to calculate a third target load related to virtual spring force control based on a stroke position and to calculate a combined target load into which the first target load, the second target load, and the third target load have been combined. The load control part performs load control of the actuator using the combined target load.

Abstract: An electrically powered suspension system includes: an actuator that is provided between a vehicle body and a wheel of a vehicle and generates a load for damping vibration of the vehicle body; an information acquisition part that acquires information on a sprung state amount and a road surface state; a target load calculation part that calculates a first target load related to skyhook control based on the sprung state amount and calculates a second target load related to preview control based on the road surface state; and a load control part. The target load calculation part calculates a third target load related to pitch generation control based on a target pitch angle and calculates a combined target load into which the first target load, second target load, and third target load have been combined. The load control part performs load control of the actuator using the combined target load.

Abstract: An electrically powered suspension system includes: an actuator that is provided between a vehicle body and a wheel of a vehicle and generates a load for damping vibration of the vehicle body; an information acquisition part that acquires information on a sprung state amount and a road surface state; a target load calculation part that calculates a first target load related to skyhook control based on the sprung state amount and calculates a second target load related to preview control based on the road surface state; and a load control part. The target load calculation part calculates a third target load related to roll generation control based on a target roll angle and calculates a combined target load into which the first target load, second target load, and third target load have been combined. The load control part performs load control of the actuator using the combined target load.

Abstract: A vehicle includes: a vehicle body; front and rear wheels configured to move the vehicle body; and a road surface condition detector configured to detect road surface conditions in front of each of the front wheels, wherein the road surface condition detector is positioned in front of each of the front wheels, and a direction of radiating laser beams by the road surface condition detector for detecting a detection point on a road surface is inclined in a direction of a tangent to an arc, about a pitch center of the vehicle body and running through the detection point, at the detection point, when the vehicle body is viewed laterally.

Abstract: A mounting structure of a vehicle sensor includes: an exterior member provided at a front side of a vehicle body; a frame member configured to support the exterior member or a drive source for driving a vehicle; and a road surface condition detector configured to detect a road surface condition at a front side of the vehicle. The road surface condition detector is fixed to a frame member located frontward of a front wheel.

Abstract: A preview road surface detection device of a vehicle of the present invention includes: a distance sensor that is disposed in a vehicle member and detects a distance to a measurement point on a road surface nearer to a front part of the vehicle, corresponding to at least a central portion of a contact patch to the road surface of a wheel of the vehicle; and a distance calculator that calculates a road surface distance from the vehicle member to the measurement point, based on a value detected by the distance sensor. A displacement of the road surface nearer to the front part of the vehicle is detected as a road surface condition. The displacement of the road surface is calculated from the road surface distance and a vehicle height of the vehicle member when the distance sensor detects the distance.

Abstract: A suspension device includes: a hydraulic damper including a rod provided with a valve for generating a hydraulic pressure when the rod is displaced between a first liquid chamber and a second liquid chamber; an electric damper configured to electrically displace the rod by an actuator; and a communication passage that establishes communication between the first liquid chamber and the second liquid chamber while bypassing the valve during operation of the electric damper.

Abstract: A suspension device includes: a hydraulic damper including a rod provided with a valve for generating a hydraulic pressure when the rod is displaced between a first liquid chamber and a second liquid chamber; and an electric damper configured to electrically displace the rod by an actuator. The electric damper includes: an outer cylinder; an inner cylinder; a piston provided on the rod and configured to stroke in the inner cylinder; and a communication passage disposed inside the inner cylinder at a central portion where the piston strokes. The communication passage establishes communication between the first liquid chamber at one axial end side of the piston and the second liquid chamber at another axial end side of the piston.

Abstract: A vehicle control system includes a steering input member rotatably supported by a vehicle body, a first capacitive sensor provided on a first surface portion of the steering input member facing in one direction along a rotational center line of the steering input member, a second capacitive sensor provided on a second surface portion of the steering input member opposite to the first surface portion, and a control unit configured to control a drive unit and/or a brake unit of the vehicle according to signals from the first and second capacitive sensors. The control unit executes an acceleration control to control the drive unit to accelerate the vehicle when a prescribed signal is received from the first capacitive sensor, and to execute a deceleration control to control the drive unit and/or the brake unit to decelerate the vehicle when a prescribed signal is received from the second capacitive sensor.

Abstract: A lane departure prevention assist system for a vehicle includes: a tilt angle control unit configured to control a tilt angle of a seat surface with respect to a lateral direction by driving a tilt angle changing device; a lane detection unit configured to detect a lane on a road; and a vehicle position estimation unit configured to estimate a lateral position of the vehicle in the lane. The tilt angle control unit is configured to increase the tilt angle of the seat surface with respect to the lateral direction such that, as the vehicle approaches one lateral end of an own lane, a height of the seat surface on a side near the one lateral end of the own lane becomes greater than the height of the seat surface on a side remote from the one lateral end of the own lane.

Abstract: A second electric suspension device includes a second electromagnetic actuator that is provided between the vehicle body and a wheel of a vehicle and generates a driving force for damping vibration of the vehicle. The second electromagnetic actuator includes a columnar rod member and a casing surrounding the rod member and being provided capable of moving forward and backward relative to the rod member in the axial direction. Casing-side armature coils are provided in the casing in the axial direction, whereas magnets are provided in the rod member in the axial direction in such a manner as to face part of the casing-side armature coils in the casing. The magnets are formed by permanent magnets and electromagnets including rod-side armature coils.

Abstract: The present invention provides an antenna device including a ground conductor plate 1 having a first circular hole 6, a disc-shaped conductor plate 5 which has a second circular hole 7 whose center is disposed on a straight line passing through a center of the first hole 6 and orthogonal to the ground conductor plate 1, has a center that coincides with the center of the second hole 7, and is disposed substantially parallel to the ground conductor plate 1, a first linear conductor 4 having a first end passing through the first hole and a second end passing through the second hole, a second linear conductor 3 having a first end connected to the second end of the first conductor and disposed substantially parallel to the ground conductor plate, and an antenna element 2 connected to a second end of the second conductor.

Abstract: Included are: a coaxial line (10) provided so as to pass through a second ground conductor (6), a first dielectric substrate (8), and a second dielectric substrate (9), the coaxial line (10) including an outer conductor (11) allowing a first ground conductor (1), a second ground conductor (6), and a third ground conductor (7) to be conductive thereamong; and a conductive member (15) provided so as to pass through the first dielectric substrate (8), the conductive member (15) allowing the first ground conductor (1) and the second ground conductor (6) to be conductive therebetween. An interface circuit (18) combines a plurality of signals having mutually different phases output from each of plurality of element antennas (3a), (3b), (3c), and (3d) and outputs the combined signal to the coaxial line (10).