简介:摘 要:本文简要介绍 DP(Dynamic Positioning System)动力定位系统的定义,入级附加标志 (DP1,DP2,DP3)的基本要求,现以海工平台供应船 UT771 WP的工程项目实例进行动力定位系统设计研究,该船入级满足 DNV动力定位 2级要求,并在 DNV检测下进行安装与测试 ,试验满足 DNV动力定位 2级要求,主要包括 DP操作站, DP主控制箱,信号接口箱 , 外围设备 , 位置参考系统 , 传感器 , 独立操作杆系统和相关的操作模式,该文是规则的快速指南,有助于改善船厂,船东和制造商对动力定位系统有更深入的了解,对国内其他准备建造动力定位系统船舶项作一个参考。
简介:ResourcesonacomputationalGridaregeographicallyistributed,heterogeneousinnature,ownedbydifferentindividualsororganizationswiththeirownschedulingpolicies,havedifferentaccesscostmodelswithdynamicallyvaryingloadsandavailabilityconditions.Thismakertraditionalapproachestoworkloadmanagement,loadbalancingandschedulinginappropriate.Thefirstworkpackage(WP1)oftheEU-fundedDataGridprojectisadddressingtheissueofoptimzingthedistributionofjobsontoGridresourcesbasedonaknowledgeofthestatusandcharacteristicsoftheseresourcesthatisnecessarilyout-of-date(collectedinafiniteamonutoftimeataverylooselycoupledsite).WedescribetheDataGridapproachinintegratingexistingsoftwarecomponents(fromCondor,GGlobus,etc.)tobuildaGridResourceBroker,andtheearlyeffortstodefineaworkableschedulingstrategy.