Toyota Jidosha Kabushiki Kaisha

Takeshi Hamaguchi

Shusaku Sugamoto

Shintaro Saigo

Satoshi Inoue

Shuhei Manabe

Terumasa Endo

Kohei Tochigi

Minami Sato

Tomoyuki Doi

Hisashi Iizuka

Satoshi Handa

Kazuhide Shigeto

Kentaro Hamada

In a vehicle driving assist device including a control device, the control device is configured to set, in steering assist control, an upper limit value of a steering angle in a counterclockwise direction as a left limit steering angle or an upper limit value of the steering angle in a clockwise direction as a right limit steering angle. When the steering angle exceeds the left limit steering angle in the counterclockwise direction, the control device is configured to apply an assist steering force in the clockwise direction to a steering operation. When the steering angle exceeds the right limit steering angle in the clockwise direction, the control device is configured to apply the assist steering force in the counterclockwise direction to the steering operation.

Vehicle driving assist device, vehicle driving assist method, and non-transitory storage medium

A control device for a vehicle configured to execute a first control for outputting a steering torque based on a predetermined first gain and a second control for outputting a steering torque based on a predetermined second gain different from the first gain, wherein during execution of the first control, a predicted start time, which is a predicted time until the start condition of the second control is satisfied, is calculated, and when the start predicted time satisfies the predetermined condition, a reduction control for bringing the output steering torque of the first control closer to 0 is executed before starting the second control.

Control device for vehicle and control method for vehicle

A driving assistance system includes: a first control unit configured to output an output amount related to a required amount; and a second control unit configured to calculate a difference amount between the output amount output and an actually measured amount of an actuator, and control the actuator based on the difference amount and a torque map, in which in assist control (second driving assistance control), the first control unit calculates a difference amount between a second required amount and the actually measured amount, acquires a division amount by dividing the difference amount by a predetermined value, and outputs a total amount of the division amount and the actually measured amount as the output amount, and the second control unit calculates a difference amount between the total amount and the actually measured amount, and controls the actuator based on the difference amount and a second torque map.

Driving assistance system

A control device for a vehicle including an operation unit that receives an operation for setting ON or OFF of a plurality of driver assistance functions, wherein at least two or more driver assistance functions among the plurality of driver assistance functions are driver assistance functions classified into a specific group in which the degree of intervention of control for the driving operation is smaller than other driver assistance functions, and the operation unit includes a main switch for collectively setting ON or OFF of the driver assistance functions classified into the specific group.

Control device for vehicle

A control unit that controls a reaction force actuator that applies steering guide torque to a steering wheel: calculates, based on a curvature of a curve of a travel road in front of a vehicle detected by a camera sensor, a target steering angle for causing the vehicle to travel along the curve; calculates a target steering guide torque, based on a deviation between the target steering angle that was calculated a prediction time period earlier and an actual steering angle; adjusts a target steering guide torque such that the target steering guide torque becomes smaller as a probability that a driver performs steering operation to deviate from a lane becomes higher; and controls the reaction force actuator such that the steering guide torque becomes the target steering guide torque.

Vehicle steering guide torque control apparatus

A driving assistance apparatus predicts an appropriate operation amount which is an operation amount performed by a driver in correspondence with the external environment, and sets the appropriate operation amount range including the appropriate operation amount, an appropriate operation amount range including the appropriate operation amount, and changes the reaction force characteristics of the operation device when it is determined that the operation amount of the driver corresponding to the prediction time point of the appropriate operation amount is not included in the appropriate operation amount range.

Driving assistance apparatus

A stimulatory effect estimation device includes a stimulus generatorwhich applies a stimulus to a back seat passenger, an electroencephalogramwhich measures the brain waves of the back seat passenger, a memory, and an ECUwhich specifies the brain wave indexes of stimulatory effects which surface in response to the stimuli both when the passenger is awake and when the passenger is asleep from the brain waves measured by the electroencephalogramwhen a stimulus is applied from the stimulus generatorwhile the passenger is awake and the brain waves measured by the electroencephalogramwhen a stimulus is applied from the stimulus generatorwhile the passenger is asleep. The ECUestimates stimulatory effects when the passenger is asleep from stimulatory effects when the passenger is awake using a conversion model for converting the stimulatory effect when the passenger is awake and the stimulatory effects when the passenger is asleep on the basis of the brain wave indexes which surface when the same stimulus is applied when the passenger is awake and when the passenger is asleep, and selects a stimulus which is applied to the back seat passenger on the basis of the relationship between the stimulatory effects and the changes in sleep depth.

Stimulatory effect estimation device, sleep depth estimation device, stimulatory effect estimation method, and vehicle control device

A sleep depth determining deviceis a device for determining an object person M's depth of sleep using a sensitivity threshold which is the minimum stimulus intensity that can be sensed by the object person M in a sleep state and includes: a stimulus giving unitthat gives a first stimulus Pand a second stimulus Pstronger than the first stimulus Pto the object person M; a sense detecting unitthat detects whether the object person M senses the first stimulus Pand the second stimulus P; and a sleep depth determining unitthat determines that the object person M's depth of sleep is a depth of sleep Scorresponding to a sensitivity threshold between a first stimulus intensity Tand a second stimulus intensity Twhen the sense detecting unitdetects that the object person M does not sense the first stimulus Pbut senses the second stimulus P. Accordingly, it is possible to precisely determine that the object person M's depth of sleep is the depth of sleep S

Growing community of inventors

Seto, Japan

Takeshi Hamaguchi