| The VR technology and computer are used to support to build virtual drill scenarios for the airport emergency rescue virtual drill to enhance the professional capabilities of emergency personnel and the collaboration capabilities between units.The airport emergency rescue plan is the precursor element of the entire virtual drill,and the plan deduction is a necessary way for supporting personnel to become familiar with the plan.This article is oriented to airport emergency rescue virtual drill,and conducts research on two aspects of emergency rescue plan digitization and plan deduction.The specific content is as follows:Existing airport emergency rescue plans use unstructured document storage,which lacks adaptability to the drill platform.The paper proposes a digital method and model for airport emergency rescue plans based on ontology.By extracting the domain knowledge of airport emergency rescue plan and combining ontology engineering method,construct the airport emergency rescue plan ontology model.Transform the text structure and logic of the airport emergency rescue plan into a structured form that is easy to understand by computers,and support the improvement of airport emergency response personnel’s understanding of the plan.The digital plan is presented in a static form,and the operation of the drill platform needs to be dynamically expressed.For this,a deduction process model of the airport emergency rescue plan based on business process modeling and notation is designed.Aiming at the conceptual elements of the emergency rescue plan,a hierarchical and graphical task process model for the deduction of the airport emergency rescue plan was established from the three levels of action-task-activity.Combined with the computer engine,it is transformed into a structured form that can be recognized by the platform,which supports the platform to run drill scripts.The airport emergency rescue virtual drill platform adopts a modular design scheme,and is based on both the Unity 3D engine and nuclear particle system to build virtual scenes and fire special effects simulations.Combined with the airport emergency case,the operation effect of the emergency rescue plan drill script on the virtual drill platform is tested and displayed.Research on the digitizing and deduction methods and models of emergency rescue plans for airport emergency rescue virtual drill,which lays the foundation for the further combination of man-machine interactive emergency rescue virtual drill platform and the development of emergency rescue plan deduction process control. |
