Driving assistance device

摘要

A driving assistance device capable of increasing fuel economy by setting a driving assistance unit that is appropriate for running environment information of a vehicle, is provided with a first reliability assessment device, a second reliability assessment device, and a third reliability assessment device, to assess the reliability of the running environment information. The driving assistance device is provided with an HMI control unit, a drive force control amount calculation unit, and non-drive force control amount calculation unit, to select a driving assistance unit on the basis of fuel economy among driving assistance units that can be set, in accordance with the assessed reliability of the running environment information. The driving assistance device sets a driving assistance unit that is appropriate for the running environment information, and assists the driving of the vehicle on the basis of the set driving assistance unit.

主权项

1. A driving assistance device, which acquires running environment information of a vehicle, sets one or more devices selected from a group of a display device, a sound device, a deceleration controller and an engine stop controller, suitable for the running environment information, and assists a driving operation of the vehicle by combining a combination from the set one or more devices of the group, the driving assistance device comprising a processor configured to:
determine reliability of the acquired running environment information; and select one of the devices of the group based on fuel economy in accordance with the determined reliability of the running environment information, wherein, as the determined reliability of the running environment information becomes higher, the processor selects at least one of the display device and the sound device, wherein, as the determined reliability of the running environment information becomes lower, the processor does not select the display device and the sound device, but selects at least one of the deceleration controller and the engine stop controller.