US 12,403,893 B2
Control apparatus for vehicle
Yusuke Miida, Toyota (JP)
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed by TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed on Oct. 30, 2023, as Appl. No. 18/497,965.
Claims priority of application No. 2022-175018 (JP), filed on Oct. 31, 2022.
Prior Publication US 2024/0140398 A1, May 2, 2024
Int. Cl. B60W 20/50 (2016.01); B60K 6/387 (2007.10); B60K 6/442 (2007.10); B60W 10/02 (2006.01); B60W 20/40 (2016.01); B60W 50/02 (2012.01); B60W 50/038 (2012.01)
CPC B60W 20/50 (2013.01) [B60K 6/387 (2013.01); B60K 6/442 (2013.01); B60W 10/02 (2013.01); B60W 20/40 (2013.01); B60W 50/0205 (2013.01); B60W 50/0225 (2013.01); B60W 50/038 (2013.01); B60W 2510/0208 (2013.01); B60W 2520/00 (2013.01); B60W 2710/021 (2013.01); B60Y 2200/92 (2013.01)] 3 Claims
OG exemplary drawing
 
1. A control apparatus for a vehicle that includes a drive wheel, an engine, an electric motor connected to a power transmission path between the engine and the drive wheel in a power transmittable manner, a first engagement device configured to connect and disconnect the engine and the electric motor to and from each other, and a second engagement device configured to connect and disconnect the electric motor and the drive wheel to and from each other, wherein the engine and the electric motor are used as power sources for driving the vehicle,
wherein the control apparatus is configured to switch between a first running mode in which the vehicle runs using at least the engine with both of the first and second engagement devices being in respective engaged states and a second running mode in which the vehicle runs using the electric motor with the first engagement device being in a released state and with the second engagement device being in the engaged state,
wherein, in event of a failure of the second engagement device, the control apparatus is configured to forcibly bring the second engagement device into the engaged state and to bring the first engagement device into the engaged state, so as to cause the vehicle to perform a limp-home running in the first running mode, and
wherein, when a running speed of the vehicle becomes lower than a predetermined low-speed threshold value during the limp-home running, the control apparatus is configured to bring the first engagement device into the released state.