Digital twin system for expressway cloud control platform and control method

The invention discloses a digital twin system for an expressway cloud control platform. The digital twin system comprises a middle platform layer, a supporting layer and an equipment layer, the equipment layer is used for collecting real-time traffic data and sending the real-time traffic data to the support layer; the support layer is used for receiving the real-time traffic data, determining a transmission channel type, a transmission resource and a storage mode, and then carrying out classified storage on the real-time traffic data; and the middle platform layer is used for collecting the real-time traffic data, correspondingly processing the real-time traffic data and then outputting a processing result. A simulation scene is closer to a real scene through equal-proportion surveying and mapping and building of a high-precision map and addition and integration of random traffic flows of various traffic participants, and the test efficiency, verification sufficiency and effectiveness are effectively improve