In order to improve the traffic congestion in cities, people introduce railways underground. At present, the subway in many places has been able to realize unmanned automatic operation.
The unmanned automated subway is actually made up of? Subway control center? Controlled. The task of the subway control center is to make the electric power system in the car act in harmony, so that the locomotive can reach its destination safely and accurately. Usually? Subway control center? Built in the station, with a certain distance from the running locomotive. So, how does it control the automatic operation of the subway?
The subway control center is equipped with a large-scale subway computer network system, which is closely connected with the electronic control network of various locomotives. It stores the relevant information of locomotives running on the subway, such as passenger capacity, cargo list, departure time, locomotive serial number and so on. According to this information, the computer system automatically arranges the dispatching plan and runs the real-time traffic management program. When it is time to leave, it will automatically and quickly search for the dispatched locomotive. Once found, it immediately sends dispatching instructions to the vehicle's electronic control network. The locomotive is also equipped with an electronic speedometer, which continuously feeds back the measured actual running speed to the subway center. The computer in the subway center controls the running speed of the vehicle according to this feedback information to ensure the safe operation of the vehicle. For example, when the vehicle goes downhill, the speed increases at the moment of downhill. If the speed measured by the electronic speedometer is beyond the safe range, the subway control center will? Order? Let the locomotive slow down automatically. The above series of feedback, control and actions are all completed in an instant, which is safe and reliable. If all these tasks are done manually, it will cause unsafe driving for many reasons, such as high locomotive speed and complicated situation.
Sometimes we will see several staff members on the subway locomotive. They don't actually drive motorcycles there, but do some daily mechanical maintenance work. Of course, when the locomotive is in an emergency, they must deal with it urgently.