Vehicle system and vehicle
AssigneeToyota Jidosha Kabushiki Kaisha
InventorKenji Kimura
Life of this patent
Estimating the term…
Abstract
A vehicle system includes a warning device and at least one electronic control unit. The at least one electronic control unit is configured to present a light stimulus to a driver, and determine whether the driver is facing forward, determine whether the driver holds a steering wheel, and cause the warning device to perform a first warning when it is determined that the driver is not facing forward while the light stimulus is being presented. The first warning is either the vibration or the sound. The at least one electronic control unit is configured to perform a second warning when it is determined that the driver does not hold the steering wheel before a predetermined time elapses after the first warning is started. The second warning includes the vibration and the sound.
Claims20
A vehicle system comprising:
- a warning device including at least one of a vibration generation device configured to generate vibration and a sound output device configured to output sound, and
- an electronic control unit configured to
- prompt an operator of a vehicle to pay attention ahead when a change in a traffic environment is detected while the vehicle is performing autonomous driving;
- determine whether the operator is facing forward;
- determine whether the operator holds a steering wheel;
- cause the warning device to perform a first warning when it is determined that the operator is not facing forward;
- cause the warning device to perform a second warning which is stronger than the first warning when it is determined that the operator is not holding the steering wheel;
- and
- cause the warning device to terminate the second warning when it is determined that the operator is holding the steering wheel,
- wherein the electronic control unit increments a number of re-holding times of the steering wheel and performs a notification to notify that the autonomous driving will be terminated based on the number of re-holding times.
A method comprising:
- prompting an operator of a vehicle to pay attention ahead when a change in a traffic environment is detected while the vehicle is performing autonomous driving;
- determining whether the operator is facing forward;
- determining whether the operator holds a steering wheel;
- causing a warning device to perform a first warning when it is determined that the operator is not facing forward;
- causing the warning device to perform a second warning which is stronger than the first warning when it is determined that the operator is not holding the steering wheel;
- causing the warning device to terminate the second warning when it is determined that the operator is holding the steering wheel;
- and
- incrementing a number of re-holding times of the steering wheel and performing a notification to notify that the autonomous driving will be terminated based on the number of re-holding times,
- wherein the warning device includes at least one of a vibration generation device configured to generate vibration and a sound output device configured to output sound.
Dependencies are inferred from the claim text.