System for training in CBRN risks and threats

1 . A training system for training in chemical, biological, radiological and nuclear (CBRN) risk using a virtual reality scenario, comprising:

a CBRN augmented virtual reality (CBRN-AR) mask including:

a virtual reality screen;

at least one graphics processing module comprising a graphics microprocessor for broadcasting images of the virtual reality scenario on the virtual reality screen;

at least one main processing module comprising a main microprocessor;

a memory storing the, at least one, virtual reality scenario;

at least one biometric sensor measuring a physiological parameter of a user of the CBRN-AR mask during the execution of said virtual reality scenario; and

at least one stress actuator modifying at least one internal environmental parameter of the CBRN-AR mask during the execution of said virtual reality scenario, said stress actuator comprising a controlled opening valve which directs air towards the interior of the CBRN-AR mask so as to regulate an incoming air flow;

the main microprocessor of the main processing module is arranged for:

controlling the graphics microprocessor of the graphics processing module to broadcast said virtual reality scenario on the virtual reality screen;

comparing the physiological parameter of the user with a reference physiological value; and

adapting said virtual reality scenario in real time by controlling the stress actuator in real time to modify at least one internal environmental parameter of the CBRN-AR mask, said modification of at least one internal environmental parameter of the CBRN-AR mask consisting at least in operating the controlled opening valve, to regulate the flow of incoming air flow so as to reduce the arrival of air flow to increase a state of stress of the user, or to increase the arrival of air flow to reduce said state of stress of the user.

2 . The training system of claim 1 , wherein the biometric sensor is selected from a pulse sensor, a body temperature sensor, a sensor for measuring blood oxygen saturation, electrodes for measuring the electrical activity of the brain, a sensor for measuring respiratory rate, a sensor for measuring the diameter of the pupil, and/or a sensor for measuring the electrodermal conductance.

3 . The training system of claim 1 , wherein the stress actuator further comprises a heating resistor and/or an electrode generating an electric discharge.

4 . The training system of claim 1 , wherein the CBRN-AR mask further comprises a filter cartridge, said filter cartridge being equipped with the controlled opening valve.

5 . The training system of claim 1 , wherein the CBRN-AR mask is coupled to an external respirator via the controlled opening valve.

6 . The training system of claim 4 , wherein the filter cartridge is equipped with an odor generator, for example one or more gas capsules or tablets releasing a specific odor.

7 . The training system of claim 5 , wherein the external respirator is equipped with an odor generator, for example one or more gas capsules or tablets releasing a specific odor.

8 . The training system of claim 4 , wherein the filter cartridge includes a battery.

9 . The training system of claim 1 , wherein the CBRN-AR mask comprise an electronic board integrating the graphics processing module, the main processing module and the memory, said electronic board being connected to at least one virtual reality camera, at least one audio module, and/or at least one wired or wireless connection integrated into said CBRN-AR mask.

10 . The training system of claim 1 , further comprising a control module interconnected with the CBRN-AR mask, the control module comprising a library comprising virtual reality scenarios, at least one virtual reality scenario being uploaded to the memory of the CBRN-AR mask before the execution of said virtual reality scenario.

11 . The training system of claim 1 , further comprising at least one container-type object and at least one detector-type object interconnected together as well as with the control module and the CBRN-AR mask.

12 . The training system of claim 11 , wherein each of the objects of container-type and detector-type includes a secondary microprocessor connected to a plurality of sensors and actuators, the secondary microprocessor being arranged to activate one or more functions of said sensors and actuators during the execution of said virtual reality scenario.

13 . A non-transitory computer readable medium storing a computer program for training in chemical, biological, radiological and nuclear (CBRN) risk using a virtual reality scenario, the computer program comprising program code instructions for the execution of following steps when the program is executed by a microprocessor of a training system, comprising a CBRN augmented virtual reality (CBRN-AR) mask:

executing a virtual reality scenario by broadcasting images to a user wearing the CBRN-AR mask;

measuring in real time at least one physiological parameter of a user during the execution of said virtual reality scenario;

comparing the, at least one, physiological parameter of the user with a, at least one, reference physiological value (PPRef); and

adapting said virtual reality scenario in real time by controlling a state of stress of the user in real time, by modifying at least one internal environmental parameter of the CBRN-AR mask during the execution of said virtual reality scenario, said modification of at least one internal environmental parameter of the CBRN-AR mask consisting at least in regulating the flow of incoming air flow inside the CBRN-AR mask, so as to reduce the arrival of air flow to increase the state of stress of the user or to increase the arrival of air flow to reduce said state of stress of the user.

14 . The non-transitory computer readable medium storing the computer program for training in CBRN risk using a virtual reality scenario of claim 13 , wherein said modification of at least one internal environmental parameter inside the CBRN-AR mask may also consist of heating the air inside the CBRN-AR mask and/or generating an electric discharge inside the CBRN-AR mask.