Method of preparing and/or carrying out a ground survey in a region of interest and related apparatus

1. A method of preparing and/or carrying out a ground survey in a region of interest, comprising:

triggering at least an event of the preparation and/or of the carrying out of the ground survey in a predetermined area of the region of interest;

flying at least a presence detector configured to detect the presence of a human and/or of an animal and/or of civil facilities in the predetermined area of the region of interest;

before triggering the event, detecting presence of a human and/or of an animal and/or of civil facilities in the predetermined area with the presence detector;

controlling the triggering of the event based on the results of the detection of a human and/or of an animal and/or of civil facilities made with the presence detector,

wherein the preparation and/or carrying out of the ground survey includes generating a geophysical stimulus, in particular a seismic signal in the ground with a source located in a predetermined shooting area, the triggering of the event including activating the source to generate the geophysical stimulus, or

wherein the preparation and/or the carrying out of the ground survey includes dropping a plurality of probes intended to partially penetrate into a ground in a predetermined dropping area, to carry out measurements in the around wherein the method comprises flying at least a probe carrier flying vehicle above the dropping area on the ground, the probe carrier flying vehicle carrying probes and a launcher, configured to separate each probe from the probe carrier flying vehicle, wherein the triggering of the event comprises activating the launcher to separate at least one of the probes from the probe carrier flying vehicle above the dropping area; wherein the method further comprising falling of the probe from the probe carrier flying vehicle in the ground of the dropping area, and at least partial penetration of the probe in the ground of the dropping area.

2. The method according to claim 1 , wherein the presence detector comprises an optical detector, in particular a low-light camera, or an infrared camera, and/or a multispectral detector.

3. The method according to claim 1 , wherein the presence detector comprises a sensor configured to detect an ID tag of a human and/or animal located in the dropping area.

4. The method according to claim 1 , wherein the triggering of the event is carried out at night.

5. The method according to claim 1 , comprising analyzing at least a signal produced by the presence detector with an analysis unit to generate at least an alert signal when the presence of a human and/or of an animal and/or of civil facilities is detected and/or to generate at least a clearance signal when no human and/or animal and/or civil facilities is detected, the analysis unit being configured to transmit the alert signal and/or the clearance signal to a control unit triggering the event.

6. The method according to claim 5 , wherein the alert signal is chosen among a human alert signal, an animal alert signal and/or an undefined alert signal.

7. The method according to claim 1 , comprising the generation of an optical or sound alarm in the predetermined area when the presence of a human and/or of an animal has been detected by the flying presence detector.

8. The method according to claim 7 , comprising flying an alarm generator able to generate the optical or sound alarm when the presence of a human and/or of an animal has been detected by the flying presence detector.

9. The method according to claim 1 , wherein the probe carrier flying vehicle carries the presence detector.

10. The method according to claim 1 , comprising flying a safety clearance flying vehicle distinct from the or each probe carrier flying vehicle, the safety clearance flying vehicle carrying at least one supplementary flying presence detector configured to detect the presence of a human and/or of an animal and/or of civil facilities in the dropping area, the safety clearance flying vehicle advantageously flying above the or each probe carrier flying vehicle.

11. The method according to claim 10 , comprising simultaneously flying a plurality of probe carrier flying vehicles, each probe carrier flying vehicle carrying probes and a launcher, configured to separate each probe from the flying vehicle above the same dropping area on the ground, and flying the same safety clearance flying vehicle for all probe carrier flying vehicles located over the same dropping area.

12. The method according to claim 1 , comprising flying at least a first group of flying vehicles of the plurality of probe carrier flying vehicles above the dropping area, simultaneously flying at least one presence detector above the dropping area and dropping probes in the dropping area, simultaneously flying a second group of flying vehicles of the plurality of probe carrier flying vehicles to and from the dropping area and simultaneously landing at least a third group of flying vehicles of the plurality of probe carrier flying vehicles in a base to load probes on the probe carrier flying vehicles of the third group.

13. The method according to claim 12 , wherein each probe carrier flying vehicle has a collision detector and an autonomous redirector configured to modify the trajectory of the probe carrier flying vehicle when a potential collision with another probe carrier flying vehicle is detected.

14. The method according to claim 1 , wherein the probe carrier flying vehicle and/or the safety clearance flying vehicle are unmanned aerial vehicles.

15. Assembly for preparing and/or carrying out a ground survey in a region of interest, comprising:

a device for triggering at least an event of the preparation and/or of the carrying out of the ground survey in a predetermined area of the region of interest;

a flying vehicle carrying at least at least a presence detector able to detect the presence of a human and/or of an animal and/or of civil facilities in the predetermined area;

a control unit controlling the triggering of the event based on the results of the detection of a human and/or of an animal and/or of civil facilities made with the presence detector,

wherein the preparation and/or carrying out of the ground survey includes generating a geophysical stimulus, in particular a seismic signal in the ground, the device for triggering at least an event of the preparation and/or of the carrying out of the ground survey comprising at least a source located in a predetermined shooting area, the triggering of the event being the activation of the source to generate the geophysical stimulus, or

wherein the preparation and/or of the carrying out of the ground survey includes dropping a plurality of probes intended to be partially introduced into a ground in a predetermined dropping area to carry out measurements in the ground, the device for triggering at least an event of the preparation and/or of the carrying out of the ground survey comprising at least a probe carrier flying vehicle carrying probes and a launcher, able to separate each probe from the flying vehicle above a dropping area on the ground, the triggering of the event being the activation of the launcher.

16. Assembly according to claim 15 , comprising a plurality of probe carrier flying vehicles, each carrying at least probes and a launcher, able to separate each probe from the flying vehicle above the same dropping area on the ground, each probe carrier flying vehicle carrying a presence detector, the control unit controlling the activation of the launcher of each probe carrier flying vehicle of the plurality of probe carrier flying vehicles based on the results of the detection of a human and/or of an animal and/or of civil facilities made with the presence detector.

17. Assembly according to claim 15 , comprising flying a safety clearance flying vehicle distinct from the or each probe carrier flying vehicle, the safety clearance flying vehicle carrying at least one supplementary flying presence detector able to detect the presence of a human and/or of an animal and/or of civil facilities in the dropping area.