Patent AU-2021104472-A4 (AU)
Title: Method for establishing tunnel digital twin scenario and computer device
Inventor: WU ZHAOHUI
IPC: H04N7/18
Filed: 2021-07-23
Granted: 2021-09-16
Abstract: OF THE DISCLOSURE 
A method for establishing a tunnel digital twin (DT) scenario and a computer device are 
provided, relating to the technical field of transportation informatization, and configured to analyze 
complex problems in tunnel traffic operation and provide corresponding solutions. The method for 
establishing the tunnel DT scenario includes: model initialization, panoramic monitoring, data 
aggregation, data analysis, physical parameter update, behavioral parameter update, geometric 
model update, review and verification, simulation and analysis, prediction and deduction, auxiliary 
decision making, feedback control and iterative optimization. The computer device is configured to 
execute the method for establishing the tunnel DT scenario described above.  
ABSTRACT DRAWING - Fig 2 
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The computer device 100 establishes an initial geometric model, an initial physical model, sIoo 
an initial behavioral model and a DT database according to an actual tunnel scenario to 
form an initial tunnel DT scenario 
The computer device 100 performs real-time three-dimensional fusion on multichannel 
monitoring videos in the actual tunnel scenario and the initial tunnel DT scenario S200 
according to multichannel monitoring video data in the actual tunnel scenario to form a 
panoramic tunnel DT scenario, and performs structural analysis and semantic annotation 
on a static scenario in the multichannel monitoring videos 
The computer device 100 performs association registration, data access and dynamic 
annotation on a virtual device in the panoramic tunnel DT scenario according to an IoT 300 
sensing device and a traffic affiliated facility in the actual tunnel scenario 
The computer device 100 performs real-time recognition, semantic annotation, abnormality 
detection and structural output on a dynamic object in the multichannel monitoring videos S400 
according to the multichannel monitoring video data, data of the IoT sensing device and 
meteorological data 
The computer device 100 updates corresponding models and/or related parameters in the S500 
panoramic tunnel DT scenario according to a change and an analysis result of the data of 
the IoT sensing device 
The computer device 100 reviews and verifies a geometric model, a physical model, a 
behavioral model and the related parameters in the panoramic tunnel DT scenario S 600 
according to historical data or detection data 
The computer device 100 respectively simulates and analyzes a corresponding service 
requirement or problem in the actual tunnel scenario according to the panoramic tunnel DT S700 
scenario 
The computer device 100 predicts and deduces a change of the actual tunnel scenario S800 
according to the geometric model, the physical model and the behavioral model in the 
panoramic tunnel DT scenario, to alarm an abnormal event in the actual tunnel scenario 
The computer device 100 acquires event responses and handling solutions in different 
conditions according to the simulated and analyzed result as well as the predicted and s900 
deduced result, to form a three-dimensional emergency plan and an auxiliary decision
making suggestion for the actual tunnel scenario 
The computer device 100 controls, according to the auxiliary decision-making suggestion, S1000 
the IoT sensing device to perform a reverse physical control on the actual tunnel scenario, 
and updates the corresponding models of the panoramic tunnel DT scenario 
The computer device 100 updates, according to the user requirement, the DT database, S100 
and iterates the panoramic tunnel DT scenario 
FIG. 2