Electronic Shooting Simulator Family "STrIzh": Development of Mock-Ups and Investigation of the Initial Level Simulator Error

Development of rifle electronic simulators (i.e. for hand weapons and not using ammunition) is an important task, since the production of any type of small arms, according to regulatory documents, also requires the production of a simulator to instill aiming and firing skills. The developing family of electronic shooting simulators "STrIzh" includes three publicly available levels for self-assembly: initial, basic and virtual. Structural diagrams of aiming point recorders and entry-level weapon simulators are given and a technique for self-assembly of the simulator from publicly available components is developed: laptop, webcam, weapon models, infrared LEDs. Several types of trigger sensors have been developed with a recommendation to use a touch button (especially for a machine gun). New approaches to estimation of mathematical models’ error for aiming point recorders are proposed and new modified mathematical models are also tested in order to minimize the number of calibration points which is important during manual adjustment. Invariance of mathematical models from the firing distance using the second infrared LED and correction of coordinates by using this LED was checked, its performance in a small range of distance changes was shown. Orientation to initial shooting training requires constant tracking and analysis of the aiming trajectory with the issuance of instructions for adjusting the grip-aiming-holding-descent, and therefore high-speed webcams. The studies of the error in determining the aiming point for four types of mock-ups of the simulator showed that the subjective component (the ocular method of aiming during calibration and verification) makes the most significant contribution to the error and it is recommended that the calibration of the mock-up be carried out only by experienced users necessarily from the stop and using the trigger sensor.

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