Based on the current development situation, this paper introduces the development strategies, policies, key equipment and research situation of unmanned ground vehicles (UGV) around the world. The present situation of UGVs is summarized into two main points. Firstly, the development progress of military unmanned ground autonomous systems is accelerated. And, secondly, the logistics UGV and armed autonomous UGV have been highlighted. In this paper, the development tendencies and the technical challenges of UGV are analyzed. The technologies to be developed in the future mainly include command and control (C2), communication, artificial intelligence (AI), and all-electric or hybrid electric drive (HED). Accelerating the research on intelligent UGVs is the key to win the information war in the future.
Copper based alloy is widely used to manufacture shaped charge liner. Limited by conventional manufacturing technology, complex liners are hard to produce. While the additive manufacturing (AM) is capable to produce parts of almost any geometry and intricacy. In this paper, the CuSn10 bronze shaped charge liner was manufactured by AM technology and the penetration performance of the liner was analyzed. Experimental results show that the liner made by AM technology could be applied under high stress-strain conditions, the penetration depth of CuSn10 liner is 18.9 % larger than that of traditional copper liner.
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