Abstract: This paper proposes a hierarchical collective motion pattern inspired by sheep for multiple unmanned aerial vehicles (UAVs) cooperative control. The problem of formation maintenance is ...

Abstract: This article proposes a hierarchical collective motion pattern inspired by sheep for multiple unmanned aerial vehicle (UAV) cooperative control. The problem of formation maintenance is ...

One of Princess Diana's most memorable fashion items sold for more than $1 million after a final-hour bidding war. The black sheep sweater, from the knitwear label Warm & Wonderful, was auctioned ...

Some have speculated that the princess liked the “black sheep” pattern because she felt like an outsider in the royal family. Emma Corrin sported a replica as the young Diana in season four of ...

The playfully patterned wool jumper featuring a single black sheep amid a pattern of white ones headlines Sotheby’s online Fashion Icons sale in September. The 19-year-old Lady Diana Spencer was ...

The playfully patterned wool sweater featuring a single black sheep amid a pattern of white ones headlines Sotheby’s online Fashion Icons sale in September. The 19-year-old Lady Diana Spencer ...

The playfully patterned wool jumper featuring a single black sheep amid a pattern of white ones headlines Sotheby’s online Fashion Icons sale in September. The 19-year-old Lady Diana Spencer was ...