Patent attributes
A cruise control device of a vehicle including an engine and a multistep automatic transmission, includes an acceleration operation part, a driving-force operation part, and a control part that carries out acceleration control in which a driving force is brought close to a target driving force by changing a throttle-valve opening of the engine at least to bring the driving force close to a demand driving force. The control part carries out the acceleration control in a target gear shift stage fixed mode that is a control mode in which the acceleration control is carried out in a state where change of a gear shift stage is forbidden after changing the gear shift stage from a current gear shift stage that is a gear shift stage at present to a target gear shift stage that is a gear shift stage required for obtaining the target driving force at a stretch.
