ID 原文 译文
48836 以二维方格网络为拓扑结构,在考虑同一地理区域节点存在共因失效关系、同一类节点存在关联失效关系、网络体系结构存在协议层与层之间的级联失效关系等3种依赖关系的条件下,建立失效概率的依赖模型来模拟节点相依失效。 Based on two-dimensional grid network topology structure, considering the same geographic area there is a common cause failure relationship, the same nodes correlation relationship between failure, network architecture, protocol layer and layer between the cascade failure relationship under the condition of three kinds of dependencies, such as dependent failure probability model is established to simulate the node dependent failure.
48837 以节点之间连通的概率为可靠性测度,利用Monte Carlo法进行近似计算,分析依赖关系对网络可靠性的影响。 In between nodes connected probability reliability measure, by using Monte Carlo method for approximate calculation, analysis of dependency relationship affect the reliability of the network.
48838 研究表明,级联失效比共因失效带给网络可靠性的影响更大;关联失效带来的影响是灾难性的,尽管节点自身失效概率很小,只要关联程度足够大,就会使节点故障在网络中快速传播。 Studies have shown that cascade failure than common cause failure affect the reliability of the network is bigger;Associated with the impact of failure is catastrophic, although node itself failure probability is very small, as long as the correlation degree is large enough, will envoys point of failure in the network spread quickly.
48839 针对航空发动机的旋转失速与喘振问题,设计了一种动态面控制方法。 For aeroengine rotating stall and surge problem, a dynamic surface control method is designed.
48840 新方法控制算法简单,克服了Backstepping方法算法复杂的缺点,并且保留了传统反馈线性化方法中被抵消的有用非线性项; New method to control algorithm is simple, overcomes the drawback of Backstepping method algorithm is complex, and retain the traditional feedback linearization method is offset useful nonlinear term;
48841 控制器结构单一,当失速情况存在时,控制器的结构与不考虑失速情况时完全一样,仅需更改的是控制器参数的大小; Single controller structure, when the stall condition exists, the structure of the controller and not considering stall is exactly the same, only change is the size of the controller parameters;
48842 需要的模型信息较少,仅需知道压气机特性包线和Greitzer稳定参数的上界,而无需对失速振幅信号进行测量; Need model information is less, only know compressor performance envelope and Greitzer stability parameters of the upper bound, and don't need to stall the amplitude signal is measured;
48843 基于Lya-punov稳定性理论和数值仿真结果表明了闭环系统的稳定性。 Based on Lya - punov stability theory and numerical simulation results show that the stability of the closed-loop system.
48844 航天器发射高频度常态化和航天产品可靠度的增加,客观上要求航天器发射采用并行调度模式以提高发射资源利用率。 Spacecraft launch high frequency normalized and the increase of space products reliability, objectively requires spacecraft launch using parallel scheduling model in order to improve resource utilization.
48845 针对工序迭代可能引发的航天器发射系统死锁,构建了死锁预测和损失评价机制,建立了最小化任务时间和最小化加权滞后时间综合的目标函数,设计了多任务并行调度模型,开发了多类agent协同工作的优化算法,并使用调度实例验证了模型和算法的可行性和有效性。 Spacecraft launch system for process iteration could lead to a deadlock, built a deadlock prediction and loss assessment mechanism, established to minimize the task time and minimizing the objective function of the comprehensive weighted the time lag, designed the parallel task scheduling model, developed many types of agent work optimization algorithm, and use scheduling to verify the feasibility and effectiveness of the model and algorithm.