US Patent 11299155 Driving control apparatus for vehicle

An ACC function for performing constant speed cruise according to a target speed when there is no preceding other vehicle in a vehicle's driving lane and performing following cruise by maintaining a predetermined inter-vehicle distance when there is a preceding other vehicle, an LKA function for maintaining cruise, an override function for stopping the ACC function and the LKA function by a driver's operation intervention, and a fallback function for performing fallback control of the ACC function and/or the LKA function, with notifying the driver of stopping the ACC function and/or the LKA function and operation takeover, at a time of system operational design domain deviation of the ACC function and/or the LKA function, override threshold values of the functions serving as a determination criterion of the operation intervention for stopping the ACC function and/or the LKA function at the time of system operational design domain deviation are configured to be altered to a value greater than during normal operation when the functions are within a system operational design domain.