SoftBank Robotics documentation What's new in NAOqi 2.5?

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

../../_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.