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大系统平衡块对角优分解

Balanced Block Diagonally Dominant Decomposition of Large-Scale Systems

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【作者】 赵明; 陈雪波;

【Author】 ZHAO Ming, CHEN Xue-bo (Anshan Institute of Iron and Steel Technology, Liaoning 114044, China)

【机构】 鞍山科技大学; 鞍山科技大学 辽宁鞍山114044; 辽宁鞍山114044;

【摘要】 为了实现大系统的并行处理,大系统的分解总是希望分配给各处理器的任务量是均衡的,即分解后的子系统要有平衡的结构(或维数尽量接近)。因此,在系统平衡块三角分解的基础上,利用非平衡补偿方法使系统状态方程的系数矩阵具有块对角优型,使系统模型简化的结果更为理想。系统平衡块对角优分解方法通过实例仿真证明是可行的,并为大系统分散控制的分析与设计提供了新的系统模型简化的手段。

【Abstract】 For a parallel processes implementation of large-scale systems, a balance of the processor burdens distributed by the decomposition of large-scale systems is always hoped, that is, the subsystems should have balanced structures after decompositions (or the dimensions of subsystems are similar). Based on the system balanced block triangle decomposition, a coefficient matrix of system state equations can be of block diagonally dominant by using imbalanced compensating scheme; and therefore, the result of system model simplifications is ideal. It is proved that the given balanced block diagonally dominant decomposition of systems is feasible by the simulations, which presents a new system model simplifying method for the analysis and design of large-scale system decentralized controls.

  • 【文献出处】 系统仿真学报 ,Acta Simulata Systematica Sinica , 编辑部邮箱 ,2002年10期
  • 【分类号】TP13
  • 【被引频次】1
  • 【下载频次】76
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