Patent ID: 11865717
Assignee: LG ELECTRONICS INC.
Field: Handling (Mechanical engineering)
Classification: CPC B  G | IPC B

Claim 7:
8. A cart robot for controlling movement in response to a change in a travel surface using artificial intelligence, the cart robot comprising:
a plurality of moving parts configured to move the cart robot;
an obstacle sensor configured to sense an obstacle near the cart robot;
an inertial measurement unit (IMU) sensor configured to sense the change in the travel surface of the cart robot;
a force sensor configured to sense a change in force applied to a handle assembly of the cart robot; and
a controller configured to control a direction or a speed of movement of the plurality of moving parts depending on the change in the force sensed by the force sensor,
wherein when the IMU sensor senses the change in the travel surface, the controller controls the obstacle sensor such that the obstacle sensor senses a distance from an installed object placed in a direction in which the cart robot advances, calculates a time point at which the cart robot moves out of the travel surface and increases magnitude of electric energy to be supplied to the plurality of moving parts at the time point at which the cart robot moves out of the travel surface, and
wherein in sensing the change in the travel surface, when the IMU sensor senses inclination and then horizontality, the controller ascertains that the cart robot enters a flat surface moving walkway and ascertains the change in the travel surface, using the obstacle sensor.