An elevator is a vertical lift powered by an electric motor, mainly used to transport people or goods in multi-story buildings. The structure of an elevator mainly includes a machine room, a shaft and a pit, a car, and a landing station. The operation of an elevator depends on the coordinated work of multiple systems, including a traction system, a guide system, a car, a door system, a weight balance system, an electric traction system, and an electrical control system.