Detailed Proposal: Compact, High-Speed Tethered FPV Drone Simulator (C-HS TFPVDS)

Executive Summary:

With new bullets, standard 5.56″ rifles can take out drones from 50 to 100 meters. This is a game-changer in a world where 80-90% of casualties are caused by drones.

Current military training lacks realistic, cost-effective methods for engaging dynamic FPV drone threats. Most training and certification involves stationary or slow-moving targets. Existing solutions involving real drones are expensive, consumable, and lack repeatable flight paths for structured mass certification.

My proposed solution is the Compact, High-Speed Tethered FPV Drone Simulator (C-HS TFPVDS), a robust indoor training system designed to replicate the flight characteristics of an FPV drone without the associated costs and complexities of live drone operations. The system utilizes a lightweight, non-ballistic target tethered to a high-speed robotic arm, protected behind an angled shielding wall, making it a practical and resilient solution for widespread deployment in military training facilities.

Technical Approach:

The C-HS TFPVDS is composed of four primary subsystems:

1. Robotic Positioning System: A high-speed 3-axis Delta robot, chosen for its exceptional acceleration and speed capabilities, is mounted on an elevated platform. This robot is positioned behind an angled, sacrificial shielding wall (composed of self-healing polymer or angled AR500 steel) that protects the expensive mechanism from incoming 5.56 anti-drone rounds.
2. Tether and Target Assembly: A 15-foot high-strength, low-stretch Dyneema tether connects the robotic end effector to the target. The target is a lightweight (2-3 oz), metallic-coated foam or hollow plastic sphere (4.5 inches in diameter), simulating the size and radar/visual signature of a typical FPV drone chassis while minimizing mechanical load on the robot. A piezoelectric sensor is embedded within the target to detect kinetic impact and provide real-time scoring feedback.
3. Control and Simulation Software: The system is driven by custom software written in Python, utilizing the pyodrive library for precise motor control. This software generates randomized “jink-and-dive” flight patterns, simulating realistic FPV evasive maneuvers at speeds up to 120 mph. The software implements feed-forward control to compensate for tether lag and aerodynamic drag, ensuring precise and responsive target movement.
4. Power and Safety Systems: The system is powered by high-torque brushless DC motors, managed by industrial motor drives. Safety features include integrated emergency stop (E-Stop) circuitry compliant with NEC Article 670 and automatic shutdown upon tether breakage or system fault. All electrical components within the damp indoor range environment are protected by GFCI (NEC 210.8(B)(6)) and Surge Protective Devices (SPD) per NEC Article 242.

Benefits:

• Realistic Training: Replicates the difficult non-linear flight paths and high speeds of FPV drones.
• Cost-Effective: Eliminates the ongoing cost of consumable live drones and the logistical burden of FAA compliance.
• Robust and Resilient: Protective shielding and sacrificial components ensure long-term system survivability.
• Objective Certification: Integrated scoring system provides clear, measurable data for soldier qualification.
• Indoor Operation: Allows for year-round, weather-independent training in standard shooting ranges.

Feasibility:

The C-HS TFPVDS utilizes mature, commercially available industrial automation components and high-strength materials. The software control principles are well-established in the field of robotics. The system is designed to integrate seamlessly into existing military range infrastructure. The combination of protective shielding and lightweight, inexpensive targets addresses the primary survivability and cost concerns of previous drone target systems.

Hopefully Army TRADOC researches this idea one day soon!