FIXED DEVICE, AUTONOMOUS OPERATING SYSTEM, AND MOUNTING METHOD FOR FIXED DEVICE

A stationary device includes a first base, a second base and a stationary device control assembly. The first base is configured to be detachably connected with the second base. The second base includes an inner cavity in which the stationary device control assembly is housed. The stationary device is configured to include a first state and a second state. For the first state, the first base is fixed on a working surface, and the second base is connected to the first base. For the second state, the first base is fixed on the working surface, and the second base is separated from the first base.