Vehicle emergency evacuation device
In a vehicle emergency evacuation device which stops a running vehicle automatically or keeps a stop state of a stopped vehicle in a driver's emergency, a stop keeping process is executed to keep the stop state without conducting an intention confirmation process of the execution start of an emergency evacuation process when the emergency evacuation process is required, e.g. when an abnormality or a deterioration in the driver's condition arises or when the driver requests the emergency evacuation process, under a condition that the vehicle has stopped before a signal, a road crossing or a railroad crossing, thereby ensuring the safety of the vehicle. Moreover, there are provided a structure in which the stop site of the vehicle in the execution of automatic vehicle stop control is determined depending upon whether the running road is a driveway, a highway, or a normal road; and a structure that judges whether or not to permit an override to the emergency evacuation process after the execution start of the emergency evacuation process based on a passenger's motion.
1. An emergency evacuation device of a vehicle that executes an emergency evacuation process of either of an automatic vehicle stop control and a vehicle stop keeping control, comprising:
an emergency evacuation process execution judgment portion which is programmed to conduct an intention confirmation process of confirming an intention of a driver for an execution start of the emergency evacuation process of either of the automatic vehicle stop control and the vehicle stop keeping control when a necessity for the emergency evacuation process arises, and outputs a command of the execution start of the emergency evacuation process when the intention of the driver indicates the execution start of the emergency evacuation process; and
a vehicle running control portion that executes the emergency evacuation process in response to the command from the emergency evacuation process execution judgment portion;
wherein the emergency evacuation process execution judgment portion is programmed to output the command of the execution start of the emergency evacuation process without conducting the intention confirmation process when a necessity for the emergency evacuation process arises in a stopped vehicle, and to start an execution of the vehicle stop keeping control as the emergency evacuation process.
2. The device of claim 1 , wherein the device starts the execution of the emergency evacuation process without conducting the intention confirmation process when the necessity for the emergency evacuation process arises under a condition that the stopped vehicle has been stopped in accordance with a stop sign in a signal or a railroad crossing or in accordance with a road situation.
3. The device of claim 1 , wherein when the necessity for the emergency evacuation process arises is when the driver inputs a command input of a request for the emergency evacuation process to a driver's command input portion or when a driver's physiological condition estimation portion that estimates a physiological condition of the driver detects an abnormality in the physiological condition of the driver.
4. The device of claim 1 , executing in a running vehicle an automatic vehicle stop control as the emergency evacuation process, wherein, when the vehicle is running on a lane of a driveway or a highway, a travel path of the vehicle is controlled so that a stop site in the automatic vehicle stop control will be adjacent to an edge of the lane on which the vehicle is running closer to an opposite lane thereto, and wherein, when the vehicle is running on a lane of a normal road, a travel path of the vehicle is controlled so that a stop site in the automatic vehicle stop control will not be adjoined to either of both edges of the lane on which the vehicle is running.
5. The device of claim 4 , wherein, if a road shoulder stoppable for the vehicle is detected when the vehicle is running on the lane of the driveway or highway, the travel path of the vehicle is controlled so that the stop site in the above-mentioned automatic vehicle stop control will be within the road shoulder.
6. The device of claim 1 , further having a cancel command input portion which receives a driver's command of cancelling the execution of the emergency evacuation process, and the device being designed so that an override to the emergency evacuation process is permitted when the cancel command input portion receives the driver's command of cancelling after a start of the execution of the emergency evacuation process, wherein the device determines whether or not to permit the override to the emergency evacuation process based on a posture of a person riding in the vehicle irrespective of a presence or an absence of an acceptance of the cancelling command.
7. An emergency evacuation device of a vehicle that executes an emergency evacuation process of either of an automatic vehicle stop control and a vehicle stop keeping control, comprising:
an emergency evacuation process execution judgment portion which is programmed to conduct an intention confirmation process of confirming an intention of a driver for an execution start of the emergency evacuation process of either of the automatic vehicle stop control and the vehicle stop keeping control when a necessity for the emergency evacuation process arises, and outputs a command of the execution start of the emergency evacuation process when the intention of the driver indicates the execution start of the emergency evacuation process;
a vehicle running control portion that executes the emergency evacuation process in response to the command from the emergency evacuation process execution judgment portion; and
an automatic vehicle stop control configured to be executed in a running vehicle as the emergency evacuation process,
wherein, when the vehicle is running on a lane of a driveway or a highway, a travel path of the vehicle is controlled so that a stop site in the automatic vehicle stop control will be adjacent to an edge of the lane on which the vehicle is running closer to an opposite lane thereto,
wherein, when the vehicle is running on a lane of a normal road, a travel path of the vehicle is controlled so that a stop site in the automatic vehicle stop control will not be adjoined to either of both edges of the lane on which the vehicle is running,
wherein, if a road shoulder stoppable for the vehicle is detected when the vehicle is running on the lane of the driveway or highway, the travel path of the vehicle is controlled so that the stop site in the above-mentioned automatic vehicle stop control will be within the road shoulder, and
wherein the emergency evacuation process execution judgment portion is programmed to output the command of the execution start of the emergency evacuation process without conducting the intention confirmation process when a necessity for the emergency evacuation process arises in a stopped vehicle, and to start an execution of the vehicle stop keeping control as the emergency evacuation process.