The application concerns a lifting device for a luggage compartment in an aircraft, wherein the luggage compartment can be moved between an open and closed position, and the lifting device includes a power generation element that exerts a lifting force on the luggage compartment. A line of sight is calculated based on the work position on the sensed two-dimensional image. Each of the split cores includes a tooth portion extending in an radial direction and a back yoke portion extending in a circumferential direction.