【摘要】：針對(duì)目前不同網(wǎng)絡(luò)耦合成相依網(wǎng)絡(luò)的研究不考慮相依邊和負(fù)載的共同影響,提出一種同時(shí)考慮相依邊和負(fù)載的相依網(wǎng)絡(luò)級(jí)聯(lián)故障模型。在級(jí)聯(lián)故障中區(qū)分連接邊和相依邊對(duì)相依網(wǎng)絡(luò)的不同作用,負(fù)載分配采用基于最短路徑長度的可變負(fù)載全局分配原則,正常節(jié)點(diǎn)分配到的額外負(fù)載與距離故障節(jié)點(diǎn)的距離成反比關(guān)系,相依網(wǎng)絡(luò)的子網(wǎng)選用IEEE118標(biāo)準(zhǔn)電網(wǎng)、小世界網(wǎng)絡(luò)和隨機(jī)圖網(wǎng)絡(luò)。相依網(wǎng)絡(luò)的仿真結(jié)果表明,負(fù)載全局分配效應(yīng)越小,網(wǎng)絡(luò)抵制故障能力越強(qiáng),負(fù)載故障對(duì)級(jí)聯(lián)故障的貢獻(xiàn)程度越小,不同耦合網(wǎng)絡(luò)在特定的容忍系數(shù)下取得不同的平均故障迭代步數(shù)峰值;而負(fù)載全局分配效應(yīng)較大時(shí),網(wǎng)絡(luò)崩潰或近似崩潰,平均故障迭代步數(shù)與容忍系數(shù)呈現(xiàn)近似單調(diào)遞增關(guān)系。
[Abstract]:In view of the fact that different networks are coupled to dependent networks without considering the influence of dependent edges and loads, a cascade fault model of dependent networks is proposed, which considers both dependent edges and loads. In cascading faults, the different roles of connection edge and dependent edge on dependent network are distinguished. The principle of variable load global distribution based on the shortest path length is adopted in load distribution. The additional load assigned to the normal node is inversely proportional to the distance from the fault node. The dependent network subnets are composed of IEEE118 standard network small world network and random graph network. The simulation results of dependent networks show that the smaller the load global distribution effect is, the stronger the network resistance is, and the smaller the contribution of load faults to cascading faults is. Different coupling networks obtain different peak values of average fault iterative steps under specific tolerance coefficients. However, when the load distribution effect is large, the network collapses or approximate crashes, and the average number of iterations of fault increases monotonously with the tolerance coefficient.
【作者單位】： 東莞職業(yè)技術(shù)學(xué)院計(jì)算機(jī)工程系;
【基金】：國家自然科學(xué)基金資助項(xiàng)目(61106019) 廣東省高等學(xué)校優(yōu)秀青年教師培養(yǎng)計(jì)劃項(xiàng)目(YQ2015232) 東莞市社會(huì)科技發(fā)展項(xiàng)目(2013108101045,2013108101046)~~
【分類號(hào)】：O157.5

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