Systems and methods are provided for generating data indicative of a friction associated with a driving surface, and for using the friction data in association with one or more vehicles. In one example, a computing system can detect a stop associated with a vehicle and initiate a steering action of the vehicle during the stop. The steering action is associated with movement of at least one tire of the vehicle relative to a driving surface. The computing system can obtain operational data associated with the steering action during the stop of the vehicle. The computing system can determine a friction associated with the driving surface based at least in part on the operational data associated with the steering action. The computing system can generate data indicative of the friction associated with the driving surface.

A method for estimating a longitudinal force difference ΔFx acting on steered axle wheels of a vehicle, the method comprising obtaining data from the vehicle related to an applied steering torque M.sub.steer associated with the steered axle wheels, obtaining a scrub radius value r.sub.s associated with the steered axle wheels, and estimating the longitudinal force difference ΔFx, based on the obtained data and on the scrub radius r.sub.s, as proportional to the applied steering torque M.sub.steer and as inversely proportional to the scrub radius r.sub.s.

An apparatus for controlling driving of a vehicle includes: an input device that receives an input signal corresponding to an operation of a driver; and a controller that sets a weight to a careless state of the driver based on a separation distance between the driver and the input device operated by the driver, a spaced angle, and a scheme of operating the input device, and calculates a braking application time point based on the weight.

A method is provided for autonomously operating a vehicle. The method includes receiving vehicle state and vehicle environment data; determining that a vehicle position is not in a position for autonomous mode based on vehicle state and vehicle environment data, wherein the position is associated with a center of one lane of a roadway; enabling a steering assistance torque for a lane-centering operation concurrently within a pre-determined period of time of engagement of the autonomous mode for a vehicular operation; blending the steering assistance torque for assisting in vehicle guidance with a torque applied by the operator for the lane-centering operation with the autonomous mode of vehicular operation engaged; and executing enablement of the autonomous vehicular operation mode with the vehicle positioned within the center of one lane of the roadway as the operator is transitioned from a hands-on to a hands-off control of the vehicle.

A system for detecting hands-on or off of a steering wheel and a method thereof, include a direct sensor configured for detecting a hands-on sense value depending on a grip area of the steering wheel; an indirect sensor configured for detecting a hands-on sense value depending on a magnitude of a torque for rotating the steering wheel; and a controller connected to the first sensor and the second sensor and combining a direct hands-on sense value detected by the direct sensor and an indirect hands-on sense value detected by the indirect sensor to each other to determine a grip state of the steering wheel depending on a combined hands-on sense condition, and then to display and warn a result of determining the grip state of the steering wheel through an output unit.

A device for determining hands off of a driver includes a torque sensor for sensing a torque caused by turning of a steering wheel and generating a torque signal, a first frequency filter and a second frequency filter for filtering the torque signal, a representative value generating device for generating a first representative value based on a frequency component of a first filtered signal output by the first frequency filter, and generating a second representative value based on a frequency component of a second filtered signal output by the second frequency filter, and a control module that determines the hands off of the driver based on a ratio of the first representative value and the second representative value.

Sensor data is received at a processor of a vehicle including at least one sensor, a plurality of axles, and a plurality of tires coupled to the plurality of axles. A determination is made by the processor if at least one tire from the plurality of tires is faulty based on the sensor data. A determination is made by the processor of at least one side of the vehicle and at least one axle from the set of axles associated with the at least one tire in response to the determining that the at least one tire is faulty. A determination is made by the processor of at least one remedial action to be performed by the vehicle based on the sensor data, the at least one side, and the at least one axle.

A vehicle control system includes: a reception section configured to receive a selection operation for one or more driving modes by an occupant of a vehicle from out of plural driving modes having different control characteristics related to acceleration/deceleration or cornering; and an automated driving controller configured to perform automated driving in which at least one of speed control and steering control of the vehicle is controlled automatically based on the driving mode received as the selection operation by the reception section.

In accordance with an exemplary embodiment, methods and systems are provided for controlling steering of an autonomous vehicle. The method includes: operating, by a processor, the autonomous vehicle in a path-based automated driving assist mode; receiving, by the processor, driver input including a driver torque; classifying, by the processor, an operation mode based on a type of the path-based automated driving assist mode; determining, by the processor, an override threshold for overriding the path-based automated driving assist mode on a first lateral side of the autonomous vehicle based on the operation mode; determining, by the processor, a driver override status based on the override torque threshold; and generating, by the processor, control signals to control the steering of the autonomous vehicle based on the driver override status and the driver torque.

A vehicle driving control apparatus and a control method and a display method for the same are provided. The vehicle driving control apparatus includes a sensor and a processor. The sensor detects current relative position and current relative velocity of an object around a vehicle. The processor calculates a collision probability between the vehicle and the object based on the current relative position and current relative velocity of the object, and determines whether to adjust a driving dynamics of the vehicle based on the collision probability.