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0 INTRODUCTIONABC95arraycomputerisaparallelprocessingcomputercontaining16SIMDparallelprocessornodes.Ithasmanyadvancedfeatures,suchasRISCstructure,interlinkingtopologystructurewithstaticnetworkinterlinkingstructureanddynamicsharestorageinterlinkingstructu… 相似文献
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The traditional robust controller is designed to meet the requirement considering both the disturbance and the plant uncertainty while the controller uncertainty is always neglected.The structural optimal robustness of the closed-loop system is proposed based on the analysis of the robust radii of both the plant and the controller.The subspace angle is introduced to measure the "distance" of two subspaces,and its metric is equivalent to the gap metric.The optimal robust controller based on gap metric is designed to control the rate of the line of sight for an electromechancial target tracking system.It is shown from simulations that the optimal robust controller with the biggest robust radius is superior on the ability of disturbance rejection,and high tracking performance when additive uncertainty exists compared with the robust controller with smaller robust radius. 相似文献
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陀螺仪球轴承的失效分析 总被引:3,自引:1,他引:2
陀螺仪高速转子球轴承是陀螺仪的核心元件,其精度、寿命及可靠性对陀螺仪的性能、寿命及可靠性影响极大。对失效轴承的分析表明.润滑是陀螺仪球轴承使用寿命及可靠性的核心问题。轴承优化设计时应将润滑系统综合考虑.同时还要考虑润滑载体─-保持架及摩擦表面的物理性能及表面状态等。 相似文献
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一种阵列计算机输入/输出系统的设计 总被引:1,自引:0,他引:1
ABC95阵列是采用FPGA设计的多功能互连结构的计算机,多功能互连网络是指支持处理器到存储器的矩阵无冲突访问模式和增强型的处理机到处理机通讯的MESH网络。ABC95阵列机是一种协处理机方式的SIMD计算机,I/O系统的设计非常重要,必须保证通用性好,易于扩展,有足够的数据传送带宽。 相似文献
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为了解决基于分包算法的在线逆向组合多属性拍卖中供应商决策支持问题,通过对供应商投标行为的分析,以供应商收益最大化为目标,提出了基于计量经济学分包算法的分包确定模型以及供应商投标策略模型.通过算例演示表明,该方法可以有效地提高供应商的收益、降低拍卖过程中信息不对称所带来的负面影响. 相似文献
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