Denso Corporation

Toyota Jidosha Kabushiki Kaisha

Nagoya Institute of Technology

Assigneedenso Corporation

Norio Tsuchida

Jun Tsuchida

Masayuki Shimizu

Akitoshi Minemura

Kohei Tochigi

Akira Isogai

Shogo Ito

Yuta Ikezawa

Youhei Masui

Nobuhiko Makino

Makoto Iwasaki

Nobuyuki Matsui

Naoki Kusumoto

Yuki Tezuka

Yoshifumi Morita

Hiroyuki Ukai

Jiro Hayashi

Tomohiko Inoue

Yuya Yamamoto

Akihiko Sawada

Toshihiro Maruyama

Shota Kuroki

A driving assistance device includes a determination unit configured to, in a case where a preceding vehicle located in front of a vehicle in a stopped state starts, determine whether an object is located inside a specified area that is a predetermined area in front of the vehicle, and a driving assistance unit configured to maintain the stopped state of the vehicle in a case where an object is located inside the specified area in a case where the preceding vehicle starts.

Driving assistance device and driving assistance method

A vehicle control device is configured to: execute vehicle speed maintaining control for causing the vehicle speed to coincide with a set vehicle speed; start first control, for causing the acceleration to coincide with target acceleration for keeping maintaining acceleration no higher than limit acceleration, or second control, for controlling the acceleration such that the vehicle speed is kept no higher than a limit vehicle speed lower than the set vehicle speed, as limit control when a traffic signal correlated distance correlated with a traffic signal distance to a stop instructing traffic signal is determined to become a first threshold or less during execution of the vehicle speed maintaining control; and suspend the vehicle speed maintaining control and the limit control when a driver operates a deceleration operator during execution of the limit control.

Vehicle control device

A driving support system detects a deceleration object ahead and starts deceleration assistance for a host vehicle. The driving support system includes a reliability calculation unit configured to calculate a reliability of detection of the deceleration object, an assistance mode selection unit configured to select an assistance mode of the deceleration assistance from among multiple assistance modes in accordance with the calculated reliability of detection, and a driving support unit configured to perform the deceleration assistance in the selected assistance mode. The assistance mode selection unit is configured to select a first assistance mode when the reliability of detection is lower than a predetermined reliability threshold and select a second assistance mode higher in a level of the deceleration assistance than the first assistance mode when the reliability of detection is higher than or equal to the reliability threshold.

Driving support system

A vehicle control apparatus performing an automatic driving of a vehicle includes: a vehicle information acquiring unit that acquires vehicle information related to a nearby vehicle; a setting unit that sets an intervehicle margin between the vehicle and the nearby vehicle by using the vehicle information, and determines a change timing of a travelling speed of the vehicle depending on the intervehicle margin; and a driving control unit that performs in a lane change operation, a control of changing the travelling speed of the vehicle at the change timing, and a control of an intervehicle distance between the vehicle and a preceding vehicle of the vehicle after the lane change operation.

Control apparatus for vehicle

A collision mitigation apparatus includes an object detecting section for detecting a collision object present in front of an own vehicle on which the collision mitigation apparatus is mounted, a drive assisting section that performs drive assist for avoiding a collision between the collision object detected by the object detecting section and the own vehicle or mitigates damage to the own vehicle due to the collision, an operation state detecting section for detecting an operation state of the own vehicle, and a timing setting section for setting start timing to start the drive assist by the drive assisting section in accordance with the operation state detected by the operation state detecting section.

Collision mitigation apparatus

A collision mitigation apparatus is provided, which is installed in a vehicle and mitigates damage to the vehicle in occurrence of a collision. The apparatus includes an activation control section which detects an object positioned around the vehicle, and activates a collision mitigation part for mitigating damage to the vehicle in occurrence of a collision if a positional relationship between the vehicle and the object meets a predetermined activation condition, a type determining section which determines type of the object, the type being any one of a vehicle, a pedestrian and a roadside object, and an activation condition changing section which consolidates the activation condition compared to a case where the type of the object is not a roadside object, if the type of the object is a roadside object.

A collision mitigation apparatus for mitigating damage to a vehicle at a time of collision, on which the collision mitigation apparatus is mounted, includes an operation control unit that detects a collision object present around the vehicle, makes a comparison between a collision time indicative of a time remaining before collision between the vehicle and the collision object and an operation reference time according to which timing to start control for avoiding collision is set, and causes a collision mitigation device mounted on the vehicle to start operating depending on a result of the comparison. The collision mitigation apparatus further includes a collision probability calculating unit that calculates a collision probability between the vehicle and the collision object, and a reference time setting unit that sets the operation reference time depending on the collision probability.

Vehicle-use collision mitigation apparatus

A collision mitigation device sets an actuation condition indicating a condition for actuating a collision mitigating section configured to mitigate collision damage when an own vehicle is in a collision. A target object is positioned near the own vehicle and detected. The collision mitigating section is actuated when a positional relationship between the own vehicle and the target object meets the actuation condition. The collision mitigation device recognizes an own vehicle traveling segment that indicates a traveling segment of a road on which the own vehicle is traveling, and recognizes whether or not the target object is present within the own vehicle traveling segment. The actuation condition is relaxed in such a manner that the collision mitigating section is more easily actuated when the target object is present within the own vehicle traveling segment, compared to when the target object is not present within the own vehicle traveling segment.

Collision mitigation device

A collision mitigation apparatus includes an object detecting section for detecting a collision object present in front of an own vehicle on which the collision mitigation apparatus is mounted, a drive assisting section that performs drive assist for avoiding a collision between the collision object detected by the object detecting section and the own vehicle, or mitigate damage to the own vehicle due to the collision, a reliability determining section for determining reliability of detection result of the object detecting section, and a timing setting section for setting start timing to start the drive assist by the drive assisting section in accordance with the reliability determined by the reliability determining section.

A collision judgment apparatus includes: a distance detecting unit detecting distance between a vehicle and an object; a relative speed detecting unit detecting a relative speed therebetween; a margin time calculation unit calculating a time to collision therebetween, based on the distance and the relative speed; an angle detecting unit detecting an angle of the object with respect to a running direction of the vehicle; a variation calculation unit calculating a variation of the angle over time; a setting unit setting a judgment value such that the shorter the margin time, the larger the judgment value; and a judgment unit judging that the vehicle is likely to collide with the object when the variation of the angle calculated by the variation calculation unit is lower than the judgment value set by the setting unit.

Apparatus for judging probability of collision between vehicle and object surrounding the vehicle

There is provided a control apparatus that controls a motor of an electric power steering system to assist a steering effort of an operator. The control apparatus includes a sensor, a parameter computer, a difference computer, a target torque computer, and a motor driver. The parameter computer computes a current value of one of physical parameters of one of constituents of the electric power steering system based on a steering parameter determined by the sensor referring to an equation of motion. The difference computer computes a difference between the current value of the one of the physical parameters computed by the parameter computer and a predetermined value of the one of the physical parameters. The target torque computer computes a target torque of the motor which compensates for the difference between the current value and the predetermined value of the one of the physical parameters.

Growing community of inventors

Kariya, Japan

Norio Tsuchida