Indoor Drone Tracking ±2cm Precision | Marvelmind

Product Demos

Indoor Drone Tracking ±2cm Precision | Marvelmind

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📅 2016-01-23

Indoor Drone Tracking ±2cm Precision | Marvelmind

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For more information, please contact: info@marvelmind.com

What This Video Covers

This 16-second video demonstrates Marvelmind's indoor positioning system tracking a quadcopter with ±2cm accuracy in a 10×5 meter room. A lightweight 25g mobile beacon mounted on the drone reports its position at up to 16Hz, with stationary beacons placed on walls providing reference points. The system delivers real-time location data accessible via USB modem, UART, SPI, or I2C interfaces—perfect for autonomous indoor drone applications and warehouse automation.

Key Takeaways

  • Achieves ±2cm positioning accuracy for autonomous drones in GPS-denied indoor environments
  • Lightweight 25g mobile beacon minimizes payload impact on small aerial platforms
  • Updates position at up to 16Hz for responsive flight control and real-time navigation feedback
  • Multiple interface options (USB, UART, SPI, I2C) simplify integration with existing flight controllers
  • Ultrasonic RTLS technology works reliably through walls and requires no external infrastructure
  • Suitable for autonomous robots, warehouse automation, and precision indoor applications beyond drones

👥 Who Should Watch This

Robotics engineers, drone developers, and warehouse automation specialists looking to implement centimeter-accurate indoor positioning for autonomous aerial vehicles. This demo shows how ultrasonic RTLS solutions enable precise drone flight and positioning in GPS-denied indoor environments without external infrastructure dependencies.

? FAQ

Q: How does Marvelmind achieve ±2cm positioning accuracy indoors?
Marvelmind uses ultrasonic time-of-arrival measurements between mobile and stationary beacons. Multiple stationary beacons create a local positioning network (RTLS) that triangulates the mobile beacon's position with centimeter-level accuracy, unlike GPS which cannot penetrate building materials.
Q: What's the weight and power impact of the mobile beacon on small drones?
The mobile beacon weighs only 25 grams, minimizing payload impact on quadcopters and other small aerial platforms. This lightweight design allows autonomous drones to maintain acceptable flight times while transmitting position data at up to 16Hz.
Q: Can I integrate Marvelmind positioning into existing drone flight controllers?
Yes. Position data is available via multiple interfaces: USB modem (virtual UART), standard UART, SPI, or I2C. This flexibility lets you pipe location feedback directly into flight control software for autonomous navigation and closed-loop stability.
Q: How many stationary beacons do I need for reliable indoor drone tracking?
For optimal ±2cm accuracy in a 10×5 meter room, multiple stationary beacons are placed on walls to create redundant measurements. The exact number depends on room dimensions and geometry. See our planning guide for specific recommendations.
Q: Does this system work for warehouse automation beyond drones?
Absolutely. Marvelmind's ultrasonic RTLS is widely used for forklift tracking, autonomous ground robots, and other warehouse automation equipment requiring real-time indoor positioning without GPS or WiFi dependencies.

Detailed Overview

This compelling demonstration showcases Marvelmind's ultrasonic indoor positioning technology achieving centimeter-level accuracy for autonomous drone flight. The copter carries a 25-gram mobile beacon that continuously transmits its position to stationary beacons installed on the room's walls, enabling real-time tracking with ±2cm precision and update rates up to 16Hz. Unlike GPS-dependent systems, this RTLS solution works reliably indoors where satellite signals cannot penetrate. The location data streams from the mobile beacon or PC-connected USB modem, offering multiple integration paths via UART, SPI, or I2C protocols. This makes Marvelmind's system ideal for autonomous indoor robots, warehouse automation, forklift tracking, and drone navigation applications requiring submeter precision. The lightweight beacon design minimizes payload impact on small aerial platforms, enabling extended flight times while maintaining accurate position feedback for autonomous path planning and obstacle avoidance algorithms.

# Topics

drone navigationindoor positioningreal-time trackingautonomous robotsultrasonic positioningdrone precisionRTLSindoor GPS

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For more information, please contact: info@marvelmind.com
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