Abstract: A vehicle travel control system is arranged to obtain curve information as to a curve of a road ahead of the vehicle, to obtain a vehicle driving condition produced by a vehicle occupant, to obtain a curve entering degree of the vehicle into the curve on the basis of the driving condition, to obtain a vehicle speed, and to decelerate the vehicle on the basis of the curve information and the curve entering degree and the vehicle speed.

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: An automotive lane deviation prevention (LDP) apparatus includes a control unit connected to a yawing-motion control actuator for LDP control purposes. The control unit determines, based on information regarding a lane marking line detected based on a picture image in front of a host vehicle, whether the host vehicle is in a state FLD≠0 where there is an increased tendency for the host vehicle to deviate from the driving lane. The control unit executes, based on a state Fdw≠0 where the host vehicle is traveling on predetermined irregularities formed on or close to the lane marking line and the information regarding the lane marking line, vehicle yawing motion control by which the host vehicle returns to a central position of the driving lane, in a lane-marking non-detecting state Fcamready=0 where the lane marking line is out of an image pick-up enabling area.

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: 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-keep control system is installed in a host vehicle equipped with an inter-vehicle distance control system. The lane-keep control system is arranged to decrease a threshold to be compared with the vehicle traveling condition for determining the tendency of the lane deviation when the inter-vehicle distance is being executed, so that the deviation avoidance control during execution of the inter-vehicle distance control is started earlier than the deviation avoidance control during inexecution of the inter-vehicle distance is started.

Abstract: In a vehicle dynamics control apparatus capable of balancing a vehicle dynamics stability control system and a lane deviation prevention control system, a cooperative control section is provided to make a cooperative control between lane deviation prevention control (LDP) and vehicle dynamics stability control (VDC). When a direction of yawing motion created by LDP control is opposite to a direction of yawing motion created by VDC control, the cooperative control section puts a higher priority on VDC control rather than LDP control. Conversely when the direction of yawing motion created by LDP control is identical to the direction of yawing motion created by VDC control, a higher one of the LDP desired yaw moment and the VDC desired yaw moment is selected as a final desired yaw moment, to prevent over-control, while keeping the effects obtained by both of VDC control and LDP control.

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: An adaptive cruise control system for a host vehicle includes a radar device for detecting a distance between the host vehicle and a preceding vehicle, a vehicle speed sensor for detecting a vehicle speed of the host vehicle and a controller for executing a host vehicle speed control based on the distance and the host vehicle speed. The controller cancels the host vehicle speed control when the radar device loses sight of the preceding vehicle.

Abstract: A system for preventing lane deviation of a vehicle is provided. The system comprises a lane detecting device, a running condition detecting device, a deviation judging device, and a vehicle behavior control device. The vehicle behavior control device controls a behavior of the vehicle so as to generate a yaw moment in the direction to prevent the vehicle from deviating from the running lane. The lane detecting device detects the running lane based on a variation in a running direction of the vehicle due to the yaw moment generated by the vehicle behavior control device. A method for preventing lane deviation of a vehicle is also provided.

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: A headset for use in the frame body of a bicycle or tricycle is constructed to include a ball bearing, an annular cap covered on the ball bearing, and an annular tightening member mounted in between the cap and the ball bearing. The tightening member has a top coupling flange forced into engagement with an inside mounting groove of the cap and a bottom hooked retaining portion hooked on a bottom edge of the ball bearing, keeping the ball bearing and the cap and the tightening member secured together for easy installation.

Abstract: A lane-keep control system for a host vehicle is arranged to execute a lane-keep control of controlling the host vehicle toward a deviation-preventing direction of preventing the lane deviation according to a vehicle traveling condition when there is a tendency of the lane deviation and to limit the lane-keep control when a determination as to the tendency of the lane deviation is made under a condition that the host vehicle is traveling a lane-deviation area deviated from a traveling lane.

Abstract: A lane-keep control system for a host-vehicle is arranged to detect a traveling condition of the host-vehicle, to detect a tendency of a lane deviation of the host-vehicle on the basis of the traveling condition, to calculate a driving/braking force controlled variable of each wheel according to the traveling condition so as to generate a yawing moment directed toward a direction of preventing the lane deviation when the tendency of the lane deviation is detected, to control a driving/braking force according to the driving/braking force controlled variable, to detect a steering state quantity indicative of a quantity of state of a steering wheel, and to correct the driving/braking force controlled variable on the basis of the steering state quantity.

Abstract: An adaptive cruise control (ATCC) system for a host-vehicle controls one of a driving force and a brake hydraulic pressure according to a command vehicle speed calculated on the basis of an inter-vehicle distance and a host-vehicle speed. The ATCC system gradually decreases a deceleration of the host-vehicle according to an approach of the host-vehicle speed toward a control-cancel vehicle speed when the host-vehicle speed becomes lower than or equal to a gradual-deceleration starting vehicle speed during a period of decreasing the host-vehicle speed toward the control-cancel vehicle speed, so that the deceleration takes a value near zero when the host-vehicle speed reaches the control-cancel vehicle speed.

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.

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: A headset for use in the frame body of a bicycle or tricycle is constructed to include a ball bearing, an annular cap covered on the ball bearing, and an annular packing member mounted in between the cap and the ball bearing. The packing member has a top coupling flange forced into engagement with an inside mounting groove of the cap and a bottom hooked retaining portion hooked on a bottom edge of the ball bearing, keeping the ball bearing and the cap and the packing member secured together for easy installation.