Abstract: An automotive lane deviation prevention apparatus includes an electronic control unit configured to be electronically connected to a yawing-motion control actuator such as braking force actuators or a steering actuator for lane deviation prevention and vehicle yawing motion control purposes. The control unit has a processor programmed for determining whether or not a host vehicle is traveling on predetermined irregularities formed on or close to either one of a left-hand side lane marking line and a right-hand side lane marking line of a driving lane. The processor is further programmed for executing vehicle yawing motion control by which the host vehicle returns to a central position of the driving lane, when the host vehicle is traveling on the predetermined irregularities.

Abstract: In lane keep control apparatus and method for an automotive vehicle, a deceleration controlled variable is calculated on the basis of a state of a tendency of a vehicular deviation from a traffic lane on which the vehicle is traveling and a braking force acted upon each of driven wheels of the vehicle is controlled on the basis of the calculated deceleration controlled variable.

Abstract: A steering bearing assembly for a vehicle for connecting a steering tube and a frame of the vehicle is disclosed to include a head tube for mounting on the frame of the vehicle and having a tapered face in one end thereof, a bearing mounted in the head tube and formed of an outer race, an inner race, and a plurality of balls mounted in between the outer race and the inner race, the outer race having a protruded retaining portion pressed on the tapered face of the head tube, and a connecting structure for connecting the inner race of the bearing and the steering tube together.

Abstract: In lane keep control apparatus and method for an automotive vehicle, a traveling state of the vehicle is detected, a determination is made on whether the vehicle has a tendency of a deviation from the traveling traffic lane according to the detected traveling state, a deviation avoidance control is executed for the vehicle in a direction to avoid the deviation according to the traveling state, steering angles before and after a start of the deviation avoidance control are detected, and a controlled variable of the deviation avoidance control is detected on the basis of a deviation between a steering angle before the start of deviation avoidance control and that after the start of deviation avoidance control when a determination is made that the vehicle has the tendency of the deviation.

Abstract: An automotive lane deviation prevention apparatus sets and determines a yaw moment allotted amount corresponding to a yaw-moment-control lane-deviation-avoidance (LDA) controlled variable used to avoid a host vehicle's lane deviation by yaw moment control and a deceleration rate allotted amount corresponding to a deceleration-control LDA controlled variable used to avoid the host vehicle's lane deviation by deceleration control, based on a host vehicle's yaw angle, when the host vehicle has a tendency to deviate from a driving lane. A desired yaw moment is calculated based on the yaw moment allotted amount so that a yaw moment is produced in a direction in which the host vehicle's lane-deviation tendency is avoided. A controlled variable for deceleration control is calculated based on the deceleration rate allotted amount. A braking force of each individual road wheel is controlled based on the desired yaw moment and the controlled variable for deceleration control.

Abstract: A lane departure prevention system comprises a traveling status detecting unit for detecting current lateral displacement and current yaw angle of a vehicle relative to a lane of travel, a departure detecting unit for detecting whether the vehicle is tending to depart from the lane of travel on the basis of current lateral displacement of the vehicle relative to the lane of travel as detected by the traveling status detecting unit; and a departure avoidance control unit for controlling the vehicle to avoid lane departure when the departure detecting unit detects that the vehicle is tending to depart from the lane of travel. The departure avoidance control unit calculating the extent of control necessary to avoid lane departure on the basis of current yaw angle of the vehicle detected by the traveling status detecting unit. Provision is made for preventing lane departure on a curving as well as a straight road.

Abstract: In a vehicle dynamics control apparatus enabling vehicle dynamics control and lane deviation prevention control, a processor of a control unit is programmed for determining a driving stability including a vehicle driveability and a vehicle stability, based on at least a steer angle, and for executing the vehicle dynamics control by producing a yaw moment corresponding to a controlled variable of the vehicle dynamics control when the driving stability is deteriorated, and for executing the lane deviation prevention control by producing a yaw moment corresponding to a controlled variable of the lane deviation prevention control when there is a possibility of lane deviation. The processor is further programmed for softening a criterion, which is used to determine the driving stability, based on the controlled variable of the lane deviation prevention control, only when the vehicle dynamics control is inoperative.

Abstract: A warning system for an automotive vehicle produces a vibration in the vehicle simulating a rumble strip to inform a driver of various events. A vibration with braking torque is produced by controlling individually brake fluid pressure in each wheel brake cylinder, independently of manual braking operations. The warning system is applied to a lane deviation prevention (LDP) system. The LDP system provides a warning with vibration and a control effort of yawing moment by wheel torque or steering torque.

Abstract: A steering bearing assembly for a vehicle for connecting a steering tube and a frame of the vehicle is disclosed to include a head tube for mounting on the frame of the vehicle and having a tapered face in one end thereof, an bearing mounted in the head tube and formed of an outer race, an inner race, and a plurality of balls mounted in between the outer race and the inner race, the outer race having a protruded retaining portion pressed on the tapered face of the head tube, and a connecting structure for connecting the inner race of the bearing and the steering tube together.

Abstract: A lane deviation avoidance system for an adaptive cruise control system equipped vehicle includes an electronic control unit that executes a host vehicle's lane deviation avoidance control in which a change in vehicle dynamic behavior occurs in a direction that avoids the host vehicle from deviating from a driving lane when there is a possibility of the host vehicle's lane deviation from the driving lane. The control unit puts a priority on the lane deviation avoidance control by limiting a driving force acting on the host vehicle, when there is the possibility of the host vehicle's lane deviation from the driving lane.

Abstract: In lane keep control apparatus and method for an automotive vehicle, a behavior of the vehicle is controlled in such a manner that a yaw moment is developed in a direction to avoid a deviation of the vehicle from the traffic lane in accordance with the traveling state of the vehicle when determining that the vehicle has a tendency of the deviation of the vehicle from the traffic lane and lane markers are detected, each lane marker representing one side of the traffic lane, and the behavior of the vehicle is controlled on the basis of the detected lane marker at one side of the traffic lane when a detection state of the lane markers is transferred from a state in which both of the lane markers at both sides of the traffic lane are detected to a state in which the lane marker only at one side of the traffic lane is detected.

Abstract: In an automotive lane deviation avoidance system that prevents a host vehicle from deviating from its driving lane by correcting the host vehicle's course in a direction that avoids the host vehicle's lane deviation in the presence of a possibility of the host vehicle's lane deviation, the system calculates a desired yawing moment needed to avoid the host vehicle's lane deviation from the driving lane. The system compensates for the desired yawing moment by a correction factor or a gain, which is determined based on a throttle opening of the host vehicle.

Abstract: In an automotive lane deviation prevention (LDP) apparatus capable of executing LDP control by which a host vehicle is avoided from deviating from a driving lane, a control unit includes an LDP control allotted amount calculation section that calculates, responsively to a host vehicle's turning state, a steering-control allotted amount for LDP control and a braking-force-control allotted amount for LDP control, in presence of the host vehicle's lane-deviation tendency from the driving lane. In order to avoid the host vehicle's lane-deviation tendency, steering torque is controlled responsively to a steering-torque-control controlled variable determined based on the steering-control allotted amount, whereas braking forces applied to respective road wheels are controlled responsively to braking-force-control controlled variables determined based on the braking-force-control allotted amount.

Abstract: An adaptive control system for an automotive vehicle, which warns of a driver and/or reduces the vehicle speed in consideration of a future trajectory. Receiving from a navigation system node information about nodes within a preview section, a control unit calculates a path radius at each of the nodes within the preview section, and identifies curve sections in accordance with the path radius of the preview section. Subsequently, the control unit estimates a lateral acceleration based on the current vehicle speed and the path radius. Subsequently, the control unit determines an estimated total driver load in accordance with the estimated lateral acceleration. Subsequently, the control unit determines a reference total driver load which is applied to the driver during the host vehicle traveling at an allowable cornering speed. Subsequently, the control unit calculates a driver load deviation between the estimated total driver load and the reference total driver load.

Abstract: A lane deviation avoidance system is arranged to execute a lane deviation avoidance control of controlling a vehicle behavior of the host vehicle so as to avoid the host vehicle from deviating from a traveling lane when the lane deviation tendency is detected, to suppress the driving force when the lane deviation tendency is detected, and to set a controlled variable of the lane deviation avoidance control according to a degree of the suppression of the driving force.

Abstract: In lane keep control apparatus and method for an automotive vehicle, a deviation tendency detecting section detects whether the vehicle has a tendency of a deviation from a traveling traffic lane and a deviation avoidance controlling section performs a control for the vehicle to travel on a road surface which is parallel to the traveling traffic lane when the deviation tendency detecting section detects that the vehicle has the tendency of the deviation from the traveling traffic lane and, thereafter, performs a control to prevent a yaw angle of the vehicle with respect to the traveling traffic lane from increasing in a direction in which the tendency of the deviation becomes large.

Abstract: An automotive lane deviation prevention (LDP) apparatus includes a control unit detecting whether a host vehicle is in a specific state where the host vehicle is traveling on road-surface irregularities formed on or close to a lane marking line. The control unit actively decelerates the host vehicle when the host vehicle is in the specific state where the host vehicle is traveling on the road-surface irregularities.

Abstract: In an automotive lane deviation prevention (LDP) apparatus capable of executing LDP control by which a host vehicle is avoided from deviating from a driving lane, a control unit includes an LDP control allotted amount calculation section that calculates, responsively to a host vehicle's turning state, a steering-control allotted amount for LDP control and a braking-force-control allotted amount for LDP control, in presence of the host vehicle's lane-deviation tendency from the driving lane. In order to avoid the host vehicle's lane-deviation tendency, steering torque is controlled responsively to a steering-torque-control controlled variable determined based on the steering-control allotted amount, whereas braking forces applied to respective road wheels are controlled responsively to braking-force-control controlled variables determined based on the braking-force-control allotted amount.

Abstract: In lane keep control apparatus and method for an automotive vehicle, a traveling state of the vehicle is detected, a determination is made on whether the vehicle has a tendency of a deviation from the traveling traffic lane according to the detected traveling state, a deviation avoidance control is executed for the vehicle in a direction to avoid the deviation according to the traveling state, steering angles before and after a start of the deviation avoidance control are detected, and a controlled variable of the deviation avoidance control is detected on the basis of a deviation between a steering angle before the start of deviation avoidance control and that after the start of deviation avoidance control when a determination is made that the vehicle has the tendency of the deviation.

Abstract: In lane keep control apparatus and method for an automotive vehicle, such a determination is made as to whether a tendency of a divergence of the vehicle from a traffic lane on which the vehicle is traveling occurs according to a detected travel state of the vehicle, a driving force controlled variable for each road wheel to develop a yaw moment in a direction in which the divergence of the vehicle from the traffic lane is avoided is calculated in accordance with the detected travel state, the driving force controlled variable of each road wheel is corrected in such a manner that the yaw moment developed in a direction in which the divergence of the vehicle from the traffic lane is avoided is increased in accordance with a history of a control executed to avoid the divergence of the vehicle from the traffic lane.