Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Screen shots from the simulation for Fig. 7. The order is row-wise from left to right. The last two pictures show the situation after switching off the parameter dynamics 
for a few seconds (the robots stops) and enabling it again (starts moving).
