Design And Implementation Of Emergency Rescue Aircraft Simulation System Based On Unity

The state attaches great importance to the emergency rescue work.The construction of emergency rescue drill system based on simulation technology has been a relatively mature technical application in the scene of emergency rescue industry.At the same time,as an emerging industry,UAV has gradually become an emergency rescue scheme with its characteristics of intelligence and flexibility.This paper studies the simulation application of multi rotor UAV in emergency rescue scene,and carries out the design and implementation of emergency rescue aircraft simulation training system.Based on unity physical engine,this paper models the multi rotor UAV,analyzes the force and motion principle of the multi rotor UAV,establishes the power system model and control system model of the multi rotor UAV in a modular way,directly acts on the force application model of the UAV at the corresponding position,which is closer to the force state of the real object,and simplifies the modeling process.The power distribution method of multi rotor flight is analyzed,and the cascade PID algorithm is used to control the attitude of UAV.The flight experiment results in unity 3D engine show that the model is stable and effective,and meets the requirements of UAV Simulation.In order to make the multi rotor UAV adapt to various emergency situations,this paper designs four function expansion modules to simulate the functions of UAV PTZ camera,PTZ lighting,transportation load and fire bomb.The diversification of UAV functions is realized by switching the expansion modules,which makes the UAV more suitable for industrial applications.This paper designs and implements an emergency rescue accident scene simulation system,which provides a three-dimensional space for UAV flight simulation training for multi rotor UAV.In order to face the application of emergency rescue industry,three different virtual emergency scene simulation scenarios are designed by using unity 3D engine,and the human-computer interaction graphical user interface is designed by using ugui,and the control script is written to realize the application simulation of multi rotor UAV in different emergency accidents such as factory production safety accident scene investigation,post earthquake rescue material transportation,high-rise building fire extinguishing and so on.Through the system operation and test,it is proved that the system runs stably and the picture is smooth.On the one hand,this topic can help the flight controller make up for the training experience in disaster scenes that are difficult to recover;On the other hand,it can also provide a visual research platform for commanders and researchers to explore the application of multi rotor aircraft in emergency rescue scenarios,which is of certain significance to expand emergency rescue methods and improve rescue efficiency.