Richard Foster’s disciplined attention to spiritual formation began early on. Senior managing editor Mark Galli sat down with Foster in his home in Colorado to talk about the genesis of his lifelong ...

Abstract: Dear Editor, This letter explores optimal formation control for a network of unmanned surface vessels (USVs). By designing an individual objective function for each USV, the optimal ...

Abstract: A collision-free formation control problem for multiple unmanned aerial vehicles (UAVs) with directed switching topologies and disturbances is investigated. A novel distributed control ...

TOKYO -- As many as 2,000 Chinese fishing boats gathered near Japan's exclusive economic zone in the East China Sea twice in recent months, adding to the intensifying pressure on Tokyo from Beijing's ...