RAIL VEHICLE AND ON-BOARD SAFETY DRONE

The invention relates to a rail vehicle and on-board safety drone. A method for evaluating damage and providing passenger assistance in emergency events involving mass transit vehicles (MTVs), especially emergency events occurring in a tunnel. includes: (a) providing, on-board the MTV, at least one unmanned aerial vehicle (UAV), each UAV including a controller comprising a processor and memory, (b) determining, by the controller of the UVA while on-board the MTV in the tunnel, a change in at least one of the following: an acceleration, positive or negative, greater than a predetermined acceleration, an angle greater than a predetermined angle, a temperature greater than a predetermined temperature, and the presence of particles, gas or both greater than a predetermined concentration,(c) inresponse to the determining in step (b), the UAV separating from the MTV and becoming airborne within the tunnel, and (d) following step (c), executing, by the UAV, flight movement of the UAV withinthe tunnel. 本发明涉及轨道车辆和车载安全