Flight trajectory planning system for drones in charge of fire management in open environments

A System for determining safe flight trajectories for a mission drone (130), which presents the following prerogatives:

• said mission drone (130) is associated with an information sheet,
• and said information sheet specifies:
• the maximum resistance time of the drone itself at various temperatures, that is how long said drone can operate correctly when it is operating at high temperatures,
• the minimum and maximum flight speeds according to the payload with which it is equipped,
• the flight range, i.e., the energy or fuel consumption according to the payload with which it is equipped;
• and said mission drone (130) also includes:
• bidirectional radio communication means between said mission drone (130) and at least a second radio station;
• at least one temperature sensor;
• memory means suitable for memorizing at least one flight path;
• geolocation means suitable for detecting the position and the instantaneous speed of the mission drone (130) itself, in order to verify,
• while it is in flight, and albeit in an approximate way, whether the flight path it is making is compliant, or not, with said at least one memorized flight path;
• and said system for determining safe flight trajectories for a mission drone (130) is characterized by the fact that it also comprises:
• A. a second observation drone (120) equipped with temperature sensors, a thermal imaging camera and sensors for the acquisition of speed and direction of wind,
• B. computing means also designed to determine said safe flight routes for said mission drone (130),
• C. an environmental model that represents, in computer format, the physical environment that contains the flight paths determined for said mission drone, being said environmental model characterized in that:
• a. the temperature values of all the points of said represented physical environment are updated, substantially in real time,
• b. it is configured for simulating the evolution of temperatures in the near future in the event of a fire that develops in said physical environment,
• c. said simulations are performed through a simulation program, executed by means of said computing means, and configured to process some input data including at least:
• i. temperature data, also detected by said thermal imaging camera with which said second observation drone (120) is equipped, and which is positioned at safe height with respect to a possible fire,
• ii. data about speed and direction of wind, detected by special sensors (121) with which said second observation drone (120) is equipped,
• iii. data describing the vegetation which is present in said environment represented by said environmental model, in which said data descriptive of the vegetation comprise a parameter which expresses the combustibility of the described vegetation.