PARKING ASSISTANCE APPARATUS, PARKING ASSISTANCE METHOD, AND PROGRAM

A parking assistance apparatus includes: a route calculation unit configured to calculate a movement route for moving a vehicle to a parking target position; an inclination angle calculation unit configured to calculate first inclination angle information, calculate second inclination angle information by performing a filtering process, and when there is a deviation between the first inclination angle information and the second inclination angle information, reset the first inclination angle information used in the filtering process and calculate the second inclination angle information by performing the filtering process using first inclination angle information calculated after the resetting; and a movement control unit configured to execute movement control for controlling a driving force and a braking force to move the vehicle to the parking target position along the movement route, while adjusting the driving force and the braking force according to the second inclination angle information.