Systems and methods use cameras to provide autonomous navigation features. In one implementation, a traffic light detection system is provided for a vehicle. One or more processing devices associated with the system receive at least one image of an area forward of the vehicle via a data interface, with the area including at least one traffic lamp fixture having at least one traffic light. The processing device(s) determine, based on at least one indicator of vehicle position, whether the vehicle is in a turn lane. Also, the processing device(s) process the received image(s) to determine the status of the traffic light, including whether the traffic light includes an arrow. Further, the system may cause a system response based on the determination of the status of the traffic light, whether the traffic light includes an arrow, and whether the vehicle is in a turn lane.

A driving assistance apparatus includes a radar sensor and an electronic control unit. The radar sensor is configured to acquire object information for each proximal object that is an object being present in the proximity of a host vehicle. The object information includes a relative speed with respect to the host vehicle and a position with respect to the host vehicle. The electronic control unit is configured to execute lane change assistance control, perform a determination by using the relative speed, forbid execution of the lane change assistance control when the electronic control unit determines that a first execution permission condition is not satisfied, determine whether or not a predetermined second execution permission condition is satisfied, and forbid execution of the lane change assistance control when the electronic control unit determines that the second execution permission condition is not satisfied.

Provided is a collision avoidance support device capable of terminating traveling direction automatic control at a timing appropriate for a driver. A traveling direction automatic control unit is configured to: terminate the traveling direction automatic control when a predetermined control termination condition is satisfied at a time before an operation start time at which a vehicle starts changing a traveling direction by the traveling direction automatic control; continue the traveling direction automatic control until an appropriate driving operation enabled time at which a predetermined required reaction time passes since a time at which an alert unit starts issuing an alert, when the predetermined control termination condition is satisfied at a time after the operation start time and before the appropriate driving operation enabled time; and terminate the traveling direction automatic control when the predetermined control termination condition is satisfied after the appropriate driving operation enabled time.

According to a lane keep assist electronic control unit (LKAECU), a lane recognition section recognizes a driving lane in which the own vehicle is traveling. A target trajectory generation section, a first adder, a feedforward steering angle calculation section, a feedback steering angle calculation section, a second adder, a feedforward torque calculation section, a feedback torque calculation section, and a third adder calculate demanded torque .sub.tgt for controlling steering of the own vehicle so that deviation of the own vehicle from the driving lane is suppressed. A road surface camber correction section detects a camber estimated angle .sub.G which is an inclination angle of a road surface of the driving lane in which the own vehicle is traveling. The road surface camber correction section detects drift of the own vehicle by calculating a yaw rate difference . The road surface camber correction section corrects the demanded torque .sub.tgt based on the camber estimated angle .sub.G and the yaw rate difference .

A roll and brake test system and a method of controlling the same are disclosed. The roll and brake test system can automatically test a steering device, an accelerator, a transmission, and a brake of a vehicle. The roll and brake test system includes: a roll and brake apparatus for accommodating a vehicle on a roll; a management apparatus for controlling the roll and brake apparatus and for generating test information for testing the vehicle; and a control apparatus for controlling the vehicle according to the test information from the management apparatus.

Methods of estimating a weight of a vehicle and using the information are provided. Kinematic data of the vehicle, including at least one of a velocity or an acceleration of the vehicle, can be measured at a time. This data can be processed to estimate a weight of the vehicle. This data can be used to adjust autonomous driving, confirm a weight of freight carried by the vehicle, transmitted to external devices, or used in other ways.

A vehicle includes an electromechanical braking device having an electric brake motor, at least one wheel, and a steering actuator that is operable to adjust the at least one wheel. A method for securing the vehicle at a standstill includes applying brake force via the brake motor and actuating the steering actuator to adjust the at least one wheel.

A vehicle rear wheel steering assist control system is provided where a wheel deflection angle measuring instrument is mounted at a front wheel for measuring a steering angle of the front wheel, a rotational velocity measuring instrument is also mounted at the front wheel for testing a velocity of the front wheel, output ends of the wheel deflection angle measuring instrument and the rotational velocity measuring instrument are electrically connected to the data acquisition module, the data acquisition module is electrically connected to the controller, the controller is electrically connected to a data execution module, the rear wheel active steering device is mounted at a rear wheel of the automobile, the rear wheel active steering device is electrically connected to the data execution module, the controller is electrically connected to an ECU of the automobile, each automobile seat is provided with a weight sensor, which are electrically connected to the controller.

A system for controlling a vehicle navigating a roadway, including a perception module that generates sensor data and outputs a cost map and traffic data associated with traffic objects, a behavior planning module that receives the cost map and the traffic data from the perception module and generates planner primitives, a training module that receives the cost map and the traffic data from the perception module, receives driver input from a vehicle operator, and trains the behavior planning module, a local planning module comprising a set of task blocks that receives the cost map from the perception module and the planner primitives from the behavior planning module, selects a task block, and generates control commands using the selected task block; and a control module comprising an actuation subsystem, wherein the control module receives the control commands from the local planning module and controls the actuation subsystem.

A method to control a road vehicle with steering rear wheels when driving along a curve. The control method comprises the steps of: determining an actual attitude angle of the road vehicle; determining a desired attitude angle; and changing the steering angle of the rear wheels based on the difference between the actual attitude angle and the desired attitude angle.