US 11,872,982 B2
Parking assistance device
Kota Inoue, Toyota (JP); Yuki Minase, Toyota (JP); Takuya Nakagawa, Miyoshi (JP); Hiroyuki Tachibana, Kariya (JP); Norio Imai, Kariya (JP); and Nozomu Maeda, Kariya (JP)
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP); and AISIN SEIKI KABUSHIKI KAISHA, Kariya (JP)
Filed by Toyota Jidosha Kabushiki Kaisha, Toyota Aichi-ken (JP); and Aisin Seiki Kabushiki Kaisha, Kariya (JP)
Filed on Mar. 20, 2020, as Appl. No. 16/825,160.
Claims priority of application No. 2019-054291 (JP), filed on Mar. 22, 2019.
Prior Publication US 2020/0298839 A1, Sep. 24, 2020
Int. Cl. B60W 30/06 (2006.01); B60W 10/04 (2006.01); B60W 10/18 (2012.01); B60W 50/14 (2020.01); B60W 10/20 (2006.01)
CPC B60W 30/06 (2013.01) [B60W 10/04 (2013.01); B60W 10/18 (2013.01); B60W 10/20 (2013.01); B60W 50/14 (2013.01); B60W 2540/12 (2013.01); B60W 2552/53 (2020.02)] 6 Claims
OG exemplary drawing
 
1. A parking assistance device comprising:
at least one sensor configured to acquire vehicle surrounding information including information on objects that are present around a vehicle and information on partitioning lines on a road surface around the vehicle; and
an electric control unit,
the electric control unit is configured to decide a target area that is occupied by the vehicle when parking or unparking of the vehicle is completed, based on the vehicle surrounding information, and decide a path allowing the vehicle to move from a current position of the vehicle to the target area as a movement path;
the electric control unit configured is to perform parking assistance control including steering angle control for changing a steering angle of the vehicle, driving force control for controlling a driving force of the vehicle and braking force control for controlling a braking force of the vehicle such that the vehicle moves from the current position to the target area along the decided movement path;
the electric control unit is configured to set a first path and a second path as the movement path when the vehicle is not possible to be moved to the target area by one backward or forward travel, the first path allowing the vehicle to move from the current position to a traveling direction switching position where a traveling direction of the vehicle is switched, the second path allowing the vehicle to move from the traveling direction switching position to the target area; and
the electric control unit is configured to, when the vehicle reaches the traveling direction switching position during performing the parking assistance control,
notify an occupant of a driving operation to be performed by the occupant with respect to the parking assistance control, including a moving operation on a shift lever and an operation on a brake pedal,
monitor whether or not the driving operation is performed by the occupant within a predetermined period after a notification,
restart the parking assistance control at a timing when the occupant stops the operation on the brake pedal, when the driving operation is performed by the occupant within the predetermined period, and
end the parking assistance control, when the driving operation is not performed by the occupant within the predetermined period.