Unloading operation control method, device and system and transport vehicle

The invention provides an unloading operation control method, device and system and a transport vehicle. The method comprises the steps that the real-time position and mineral transport information of the transport vehicle are obtained; based on the mineral transportation information, an unloading area corresponding to the transportation vehicle is determined; based on the real-time position and an electronic fence of the unloading area, whether the transport vehicle enters the electronic fence or not is determined; and if the transport vehicle has entered the electronic fence, sending a compartment lifting limitation relieving instruction to the transport vehicle. According to the method and the device provided by the invention, under the condition that the transport vehicle does not enter the unloading area, the lifting of the carriage of the transport vehicle is limited, and the unloading operation cannot be carried out randomly, so that the ores in the mine operation area can be stacked in order, and the