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Unmanned surface vehicles (USV) or autonomous surface vehicles (ASV) are vehicles that operate on the surface of the water (watercraft) without a crew. USVs are valuable in oceanography, as they are more capable than moored or drifting weather buoys, but far cheaper than the equivalent weather ships and research vessels,〔(Stevens Institute of Technology student USV )〕 and more flexible than commercial-ship contributions. Wave gliders, in particular, harness wave energy for primary propulsion〔("Wave glider research platform" )〕 and, with solar cells to power their electronics, have months of marine persistence〔(Wired article )〕 for both academic 〔("Autonomous Navigation and Obstacle Avoidance of Unmanned Vessels in Simulated Rough Sea States - Villanova University" )〕〔("An experimental setup for autonomous operation of surface vessels in rough seas" )〕 and naval applications. 〔("Naval Postgraduate School Program" )〕〔("Information Dissemination" )〕 Military applications for USVs include powered seaborne targets. Operational USVs with offensive capability include the Israeli Protector USV.〔http://fr.jpost.com/servlet/Satellite?cid=1254673318745&pagename=JPost/JPArticle/ShowFull Jerusalem Post, 4 Oct 2009〕 ==See also== * * Piranha Unmanned Surface Vessel * Protector USV * Spartan Scout * Unmanned water vehicle Piraya * UAPS20 Unmanned AutoPilot System * ACTUV * Springer USV 〔http://www.tech.plymouth.ac.uk/sme/springerusv/〕 * U-RANGER * USV 〔http://www.calzoni.com/products-services/special-naval-applications_3/unmanned-surface-vehicles_14〕 * Liquid Robotics * Silver Marlin * USV Bonefish 〔https://www.youtube.com/watch?v=jhQcrHHTa5E〕 〔http://saab.com/region/saab-australia/naval/bonefish/〕 〔http://indaily.com.au/flinders-news/2015/08/07/steering-a-course-for-unmanned-vessels/〕 〔http://www.aph.gov.au/DocumentStore.ashx?id=09661303-1f3b-49c1-95f1-7a0efd282d10&subId=303542〕 〔http://www.shephardmedia.com/news/uv-online/saab-bonefish-proceeds-apace/〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「unmanned surface vehicle」の詳細全文を読む スポンサード リンク
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