Foreign Object Debris (FOD) Detection: Nails, Metal Parts and Tire-Puncturing Objects
Scenario record: it defines the environment, the mission flow and a proposed hardware and software configuration. The list below is a configuration proposal, not an installation inventory. Field projects lists deployed systems and their measurements.
- Environment
- Outdoor field
- Operating mode
- Supervised autonomy
- Proposed robot
- Unitree A2
The problem addressed
Nails and metal fragments on site roads puncturing truck and construction equipment tires, halting operations.
Draft mission flow
- 1The robot patrols autonomously on site internal roads; scans metallic foreign objects on the ground with metal detector and depth camera.
- 2Nails, wires, and metal fragments classified by AI; objects with tire puncture risk urgently flagged.
- 3Small metallic objects automatically collected with magnetic collection kit; large parts reported to cleanup crew with coordinates.
- 4Daily FOD report identifies highest contamination points; source analysis in work processes recommends preventive measures.
Proposed hardware
- HD Depth Camera
- Metal Detector Sensor
- NVIDIA Jetson Orin NX
- Magnetic Collection Kit
Proposed software
- Navigation
- Floor scanning SLAM on construction site internal roads and vehicle routes
- Model
- Metallic Foreign Object Classification (Nail, Wire, Nut, Sheet Metal Fragment)
- Integration
- Construction Site Logistics and Vehicle Management System
The robot's real operating limits
Unitree A2
Industrial Class Legged Robot
Product page- Ingress rating
- IP56-IP67
- Runtime
- >5 hours (No load) / >3 hours (25kg Load)
- Operating temperature
- -20°C to 55°C
- Payload
- 100 kg
- Max speed
- 5 m/s
- Climb
- 45°
Values are manufacturer data. Scenario fit is determined by comparing these limits with site conditions.
From scenario to installation
Feasibility is determined by the site survey: floor and route, network coverage, the charging point, intervention responsibilities and the conditions under which the robot must stop. The survey report defines the scope, the constraints and the commissioning steps.