Sonars

Specification

The robot is equipped with two ultrasonic sensors (or sonars) which allow it to estimate the distance to obstacles in its environment.

Sonar: 2 actuators, 2 sensors.

Frequency 42kHz
Sensitivity -86dB
Resolution 0.03 m
Detection range

0 * - 5 m

* closer than 0.3 will range as 0.3m

Effective cone 60°

Location

https://developers.softbankrobotics.com/sites/default/files/repository/56_html_nao/_images/sonar.png

See the URDF files .

Part Name VFOV HFOV
A Sonar/Front_sensor 60 ° 60 °
B Sonar/Back_sensor

To access values by using ALMemory key names, see: Sonars .