A three-dimensional location of miss and hit system

Abstract

A three-dimensional LOMAH system for locating shots from bullets, comprising a target platform with a processor, a memory and a sensor array, the sensor array comprising acoustic sensors arranged in two rows, wherein the memory comprises instructions which when executed by the processor causes the three-dimensional LOMAH system to detect shot information about a shot generated by a shooter and passing proximate the target platform, register the time of detection for each acoustic sensor, create a set of time vectors, input the set of time vectors into a target calculation module, which target calculation module is configurable, with use of a set of training data to calculate a bullet impact and trajectory based on the input set of time vectors and output the bullet impact and trajectory on a display.

1 . A three-dimensional Location Of Miss And Hit, LOMAH, system for locating shots from supersonic bullets, comprising a target platform in which a processor and a memory are provided and a sensor array is provided on the upper surface of the target platform, the sensor array comprising at least four acoustic sensors arranged in two rows, wherein the memory comprises instructions which when executed by the processor causes the three-dimensional LOMAH system to:
 detect, with the acoustic sensors, shot information about a shot generated by a shooter and passing proximate the target platform,   register the time of detection for each acoustic sensor,   create a set of time vectors for every combination of two acoustic sensors based on the registered time of detection,   input the set of time vectors into a target calculation module trained using a Machine Learning, ML, model that has been subjected to a large amount of training data by using randomized input data, which target calculation model is configured to create the set of time vectors for every combination of two sensor and correlate to actual hits and misses of the shots in the training data based on the randomized input data, which target calculation module is configurable, with use of a set of training data comprising a starting point, a velocity, an impact angle and hit coordinates of the supersonic bullets, to   calculate a bullet impact and trajectory based on the input set of time vectors, and   output the bullet impact and trajectory on a display connected to the LOMAH system.   
     
     
         2 . The three-dimensional LOMAH system according to  claim 1 , wherein the target calculation module is configurable to calculate the hit or miss in a 3-dimensional space, as defined in a standard right-handed Cartesian coordinate system, the velocity of the supersonic bullet and an impact angle (Θ) in a x-direction and an impact angle (ϕ) in a y-direction based on the created set of time vectors. 
     
     
         3 . The three-dimensional LOMAH system according to  claim 1 , wherein the target calculation module further is configurable to calculate an ambient temperature, by including the position of the shooter and the ambient temperature in the randomized input data. 
     
     
         4 . The three-dimensional LOMAH system according to  claim 1 , wherein the target calculation module is configurable to calculate the impact angle (Θ) in the x-direction in a range of ±30 degrees and the impact angle (ϕ) in the y-direction in a range of ±15 degrees. 
     
     
         5 . The three-dimensional LOMAH system according to  claim 1 , wherein the sensor array comprises at least six sensors arranged in two rows. 
     
     
         6 . The three-dimensional LOMAH system according to  claim 1 , wherein the sensor array comprises eight sensors arranged in three rows, a first row, a second row and a middle row arranged between the first row and the second row and wherein the middle row comprises two sensors. 
     
     
         7 . The three-dimensional LOMAH system according to  claim 6 , wherein the two sensors in the middle row are arranged horizontally offset in relation to the sensors in the first row and the second row. 
     
     
         8 . The three-dimensional LOMAH system according to  claim 7 , wherein the two sensors of the middle row are arranged horizontally offset with a distance that is half the distance of the sensors in the first row and the second row. 
     
     
         9 . The three-dimensional LOMAH system according to  claim 1 , wherein each sensor of the sensors in the sensor array is arranged with an angle (α) in the range of 30-70 degrees in relation to the horizontal extension of the target platform.