Manual

10
4. System elements
4.1 Stationary beacons
- Should be mounted on walls and ceilings—above
the robot and with ultrasonic sensors facing
down—to provide the most robust unobstructed
ultrasonic signal coverage to the robot. However,
for automatic landing and indoor navigation of
copters, for example, it is recommended to install
mobile beacon horizontally downwards looking on
the belly of the copter.
- The position of the beacons and the angles of the
positions should be chosen in such a way that
maximum ultrasonic signal coverage is provided
for the maximum territory. Proper ultrasonic
coverage is the utmost important element for the
system to function effectively
- Stationary beacons send out and receive
ultrasound when the map is being formed They
only receive the ultrasound once the map is
formed and frozen
- Stationary beacons have no exterior differences with mobile beacons
- Inertial measurement unit (IMU) not installed on the stationary beacons
- The mobile and stationary beacons can be easily interchangeably by selecting
the option (except for IMU) in the Dashboard
- There are 433MHz and 915MHz versions available. A proprietary radio protocol
is used for communication and synchronization. Other ISM bands are available
upon request as well
- Stationary beacon with full-size 165mm antenna (for 433 MHz)
* Full-size 165 mm antenna is optional