Figure 3. Velocities of the bristles over time

From

Friction Difference as Principle of Robot Locomotion

Alexander Gmiterko, Ľubica Miková, Ivan Virgala, Tomáš Lipták, Michal Kelemen

Journal of Automation and Control. 2017, 5(2), 50-53 doi:10.12691/automation-5-2-4