Firing-Simulation Scope with Acoustic Detection
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Solution Overview
Problem
Current virtual training systems for marksmen fail to accurately simulate the behavior of real rifles, disrupting the automatic reflexes of soldiers and limiting immersion in mission scenarios, and require separate mechanisms for each type of weapon, which are not suitable for long-distance firing or virtual environments.
Innovation Solution
A firing-simulation scope equipped with an inertial measurement unit, windage correction adjustment, microphone, and electronic system that detects firing by comparing audio recordings with a predetermined signature, allowing for accurate simulation of firing trajectories in a virtual environment, independent of the rifle type and suitable for long-distance firing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If dedicated simulation rifles are used, then firing behavior can be simulated, but the automatic reflexes of soldiers are disrupted and immersion is limited
Solution Approach 1:
The simulation scope is designed to be universally compatible with various rifle types through standardized mounting interfaces and adjustable parameters. The system can adapt to different rifles without requiring dedicated simulation weapons, allowing soldiers to use their actual service rifles while maintaining realistic firing behavior simulation and immersion in mission scenarios.
2Extent of automation
If laser marking devices are installed at the muzzle, then firing detection is enabled, but the system is not suitable for long-distance firing or virtual environments
Solution Approach 1:
The simulation scope acts as an intermediary device between the rifle and the virtual environment system. Instead of using laser marking at the muzzle, the scope detects firing events through acoustic sensors and ballistic measurements, then transmits this data to the virtual environment system. This intermediary approach enables long-distance firing simulation and virtual environment integration while maintaining automated firing detection.
3Measurement precision
If separate firing-detection mechanisms are created for each weapon type, then accurate detection is achieved, but device complexity and cost increase
Solution Approach 1:
The simulation scope employs a universal firing detection mechanism that can accurately detect firing events across different rifle types. The system uses acoustic sensors, inertial measurement units, and ballistic coefficient inputs that can be adapted to various weapons without requiring separate dedicated mechanisms for each rifle type, thereby reducing overall system complexity while maintaining detection precision.
Solution Approach 2:
The system achieves accurate firing detection across different rifle types by adjusting parameters such as ballistic coefficients, muzzle velocity, and acoustic thresholds rather than creating separate mechanisms. The simulation scope allows users to input specific rifle parameters, and the system dynamically adjusts its detection and simulation behavior to match the characteristics of each weapon type.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables realistic virtual training with normal rifles by accurately detecting firing and simulating trajectories, providing complete immersion and adaptability to various rifles, while maintaining low costs and simplicity.
Implementation Method 1
the first inertial measurement unit enables, easily and at least cost, to detect the axis of sight of the rifle
Implementation Method 2
The firing-simulation scope further comprises a microphone (22) configured to detect a firing triggering
Data Source
AI summary
A firing simulation scope, for installation on a rifle, includes an inertial measurement unit, a windage correction adjustment device, an electronic system, a microphone, a display and an interface for connection to a control station. The electronic system is configured for: receiving, via the connection interface, video data representing a field of view, through a simulated scope, in the virtual environment; displaying on the display the received video data; obtaining a real time audio microphone recording; comparing the audio recording with a predetermined firing-triggering signature of the rifle; and transmitting, to the control station via the connection interface, when the audio recording matches the predetermined signature, a firing triggering detection signal associated with inertial measurements supplied by the first inertial measurement unit and with a first adjustment setting supplied by the windage correction adjustment device, to enable the control station to determine a firing trajectory in the virtual environment.