Method for assisting with firing on a moving target, and associated device and assembly
A method for assisting with firing at a moving target, includes the steps of: displaying in a targeting window, superimposed onto the direct view of a scene, a main indicator creating a firing axis of a firing system; measuring a distance between the main indicator and a target in the scene; determining the speed of movement of the target; determining a targeting position, in the targeting window, anticipating an angular movement of the target relative to the firing axis, as a function of the speed of movement of the target, the speed of a projectile and the measured distance; and displaying, in the targeting window, a secondary indicator at the determined targeting position.
1. A method of assisting firing at a moving target, comprising the steps of:
a. displaying, in a targeting window, a main indicator, superimposed on a direct view of a scene, the main indicator indicating a firing axis of a firing system,
b. measuring a distance between the main indicator and a target of the scene on which the main indicator is superimposed in the targeting window, following reception of a command to designate the target,
c. determining a speed of movement of the target following recognition of the target on at least two successive images of the targeting window,
d. determining a targeting position in the targeting window, anticipating an angular movement of the target relative to the firing axis, between the firing of a projectile by the firing system and an impact of the projectile, according to the speed of movement of the target, a speed of the projectile and the distance, and
e. displaying, in the targeting window, a secondary indicator at the determined targeting position.
2. The method according to claim 1 , wherein the method comprises a step of aiming at the target by superimposing the secondary indicator on the target in the targeting window.
3. The method according to claim 2 , wherein the method comprises a step of firing by the firing system following reception of a firing command once the secondary indicator has been superimposed on the target in the targeting window.
4. The method according to claim 1 , wherein the determined targeting position also compensates for the ballistic rise of the firing system.
5. The method according to claim 1 , wherein the determined targeting position also compensates for the wind speed.
6. The method according to claim 1 , wherein the step of determining the targeting position comprises:
a. obtaining the speed of the projectile from an abacus as a function of the measured distance, and
b. calculating the anticipated angular movement of the target relative to the targeting axis as a function of the determined speed of movement and the obtained speed of the projectile, the targeting position being determined as a function of the calculated anticipated angular movement.
7. The method according to claim 1 , in which the method comprises a step of displaying, in the targeting window, at least one tertiary indicator, the tertiary indicator creating a targeting position to compensate only for the rise of the firing system and/or the wind speed.
8. The method according to claim 1 , wherein each indicator (I P , I S , I T ) is a targeting reticle.
9. A firing aid device for a firing system, the device comprising:
a. a viewfinder able to display, in a targeting window, the images superimposed on the direct view of the scene,
b. a measurement unit for measuring distances,
c. an acquisition unit for acquiring the images from the targeting window,
d. a calculator,
the device being configured to implement a method according to claim 1 .
10. A firing assembly comprising a firing system and a firing aid device according to claim 9 .