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US 10,882,529 B2Granted
Control method of vehicle, and control device of the vehicle
AssigneeNissan Motor Co., Ltd.
InventorsKatsuyoshi Ogawa, Atsuhiro Mori
Life of this patent
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Abstract
A vehicle control device includes sensors that detect pulse signals corresponding to rotation of front wheels and of rear wheels of a vehicle, and a controller that increases a count at a rise and a fall of the pulse signals. The controller estimates a road surface friction coefficient based on a time rate of change of a difference between a value counted up using the front wheels and a value counted up using the rear wheels.
Claims5
A vehicle control method comprising:
- detecting pulse signals corresponding to rotation of front wheels and of rear wheels of a vehicle,
- increasing a count at a rise and fall of the pulse signals,
- estimating a road surface friction coefficient based on a time rate of change of a difference between a value counted up using the front wheels and a value counted up using the rear wheels, and
- controlling at least one of a braking of the vehicle, a turning of the vehicle and a distribution of driving force to the front wheels and the rear wheels of the vehicle based on the estimated road surface friction coefficient.
1 more element
A vehicle control device comprising:
- sensors that output pulse signals corresponding to rotation of front wheels and of rear wheels of a vehicle, and
- a controller configured to:
- increase a count at a rise and a fall of the pulse signals;
- estimate a road surface friction coefficient based on a time rate of change of a difference between a value counted up using the front wheels and a value counted up using the rear wheels;
- and control at least one of a braking of the vehicle, a turning of the vehicle and a distribution of driving force to the front wheels and the rear wheels of the vehicle based on the estimated road surface friction coefficient.
2 more elements
Dependencies are inferred from the claim text.