Control device for vehicle
AssigneeToyota Jidosha Kabushiki Kaisha
InventorsYoshitaka Niimi, Manabu Ishimoto
Life of this patent
Estimating the term…
Abstract
When a required drive force of an engine becomes equal to or greater than a predetermined value that deteriorates the characteristics of an engine mount, torque serving as a required drive amount of a rear electric motor is increased, so that the required drive force of the engine can be reduced. As a result, crushing of the engine mount that supports the engine is reduced, so that engine vibration transmitted to a vehicle body via the engine mount can be reduced.
Claims9
A control device for a vehicle, the vehicle comprising:
- an engine provided in the vehicle via a mount member;
- and a drive force source provided separately from the engine, the engine being connected to first wheels that are either front wheels or rear wheels so as to be able to transmit power, the drive force source being connected to second wheels that are the other of the front wheels and the rear wheels so as to be able to transmit power, and the control device being able to switch between two-wheel drive traveling in which the first wheels are driven by the engine, and four-wheel drive traveling in which the first wheels are driven by the engine and the second wheels are driven by the drive force source, wherein when a required drive amount of the engine becomes equal to or greater than a predetermined value based on characteristics of the mount member while the vehicle is traveling, the control device increases a required drive amount of the drive force source.
A control device for a vehicle, the vehicle comprising:
- an engine provided in the vehicle via a mount member;
- and a drive force source provided separately from the engine, the engine being connected to first wheels that are either front wheels or rear wheels so as to be able to transmit power, the drive force source being connected to second wheels that are the other of the front wheels and the rear wheels so as to be able to transmit power, a transmission being provided in a power transmission path between the engine and the first wheels, and the control device being able to switch between two-wheel drive traveling in which the first wheels are driven by the engine, and four-wheel drive traveling in which the first wheels are driven by the engine and the second wheels are driven by the drive force source, wherein when an output of the drive force source is limited, the control device causes the transmission to perform shifting such that a rotation speed of the engine is maintained at a predetermined rotation speed or higher.
A control device for a vehicle, the vehicle comprising:
- an engine provided in the vehicle via a mount member;
- and a drive force source provided separately from the engine, the engine being connected to first wheels that are either front wheels or rear wheels so as to be able to transmit power, the drive force source being connected to second wheels that are the other of the front wheels and the rear wheels so as to be able to transmit power, and the control device being able to switch between two-wheel drive traveling in which the first wheels are driven by the engine, and four-wheel drive traveling in which the first wheels are driven by the engine and the second wheels are driven by the drive force source, wherein when a rotation speed of the engine is less than a predetermined rotation speed set based on characteristics of the mount member, the control device increases a required drive amount of the drive force source as compared to when the rotation speed of the engine is equal to or greater than the predetermined rotation speed.
Dependencies are inferred from the claim text.