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Marvelmind Indoor Navigation System is an off-the-shelf indoor navigation system, designed to provide precise (±2cm) location data to autonomous robots, vehicles (AGV), and copters. It can also be used to track moving objects via mobile beacons attached to them. Other applications include, for example, forklifts, virtual reality (VR) systems, helmets for construction workers or miners, etc.
The navigation system consists of a network of stationary ultrasonic beacons interconnected via a radio interface in a license-free band, one or more mobile beacons installed on objects to be tracked, and a modem providing a gateway to the system from PC or other computers.
A mobile beacon’s location is calculated based on a propagation delay of ultrasonic pulses (Time-Of-Flight or TOF) between stationary and mobile beacons using a trilateration algorithm.
The system can build the map of stationary beacons automatically. In simple cases, no additional manual data input or any manual distance measurements are required. This map formed once can be frozen and stored in the modem’s memory and the system becomes fully active within 7 to 10 seconds after the modem is powered.
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