Abstract: In this article, the distributed optimal formation control with collision avoidance for multiple quadrotor unmanned aerial vehicles is studied. First, taking into account the limited sensing ...

The collision occurred around 6:53 a.m. March 10 near Cane Run Road and Teakwood Circle, according to Louisville Metro Police.

Prince William County police said a married couple, Amanda and Patrick Chaloupka, were killed in a wrong-way head-on ...