VEHICLE INFORMATION PROCESSING DEVICE
1 Assignment
0 Petitions
Accused Products
Abstract
A vehicle information processing device mounted on a vehicle includes a future position calculating unit configured to calculate a future position of the vehicle based on steering input information corresponding to a steering input, a vehicle state amount that prescribes a turning state, and a vehicle speed, and an estimating unit configured to estimate a turning curvature of the vehicle at a provisional travel position ahead of a present position based on at least three vehicle positions according to the vehicle including at least the one calculated future position as well as including a vehicle position corresponding to the present position of the vehicle. As a result, a turning curvature of the vehicle at a vehicle position ahead of a present position can be estimated by a simple configuration and further the estimated turning curvature can be preferably used to stabilize vehicle behavior.
-
Citations
35 Claims
-
1-15. -15. (canceled)
-
16. A vehicle information processing device mounted on a vehicle including at least one of a steering angle variable unit capable of changing a relation between a steering input and a steering angle of a steering wheel and an assist torque supplying unit capable of supplying assist torque for assisting steering torque of a driver, the vehicle information processing device comprising:
-
a future position calculating unit configured to calculate a future position of the vehicle based on steering input information corresponding to a steering input, a vehicle state amount that prescribes a turning state, and a vehicle speed; an estimating unit configured to estimate a turning curvature of the vehicle at a provisional travel position ahead of a present position based on at least three vehicle positions according to the vehicle including at least the one calculated future position as well as including a vehicle position corresponding to the present position of the vehicle; and a controller configured to control at least one of the steering angle variable unit and the assist torque supplying unit based on the estimated turning curvature, wherein when the estimated turning curvature of the provisional travel position is larger at the time of cut operation executed by the driver, the controller more increases a dumping control term or a friction torque control term of the assist torque. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
-
Specification