中国物理B ›› 2014, Vol. 23 ›› Issue (11): 118902-118902.doi: 10.1088/1674-1056/23/11/118902

• INTERDISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY • 上一篇    下一篇

Optimization of robustness of network controllability against malicious attacks

肖延东, 老松杨, 侯绿林, 白亮   

  1. College of Information Systems and Management, National University of Defense Technology, Changsha 410073, China
  • 收稿日期:2014-03-25 修回日期:2014-05-26 出版日期:2014-11-15 发布日期:2014-11-15
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant No. 60902094) and the Military Science Foundation of China (Grant No. 2010JY0072-046).

Optimization of robustness of network controllability against malicious attacks

Xiao Yan-Dong (肖延东), Lao Song-Yang (老松杨), Hou Lv-Lin (侯绿林), Bai Liang (白亮)   

  1. College of Information Systems and Management, National University of Defense Technology, Changsha 410073, China
  • Received:2014-03-25 Revised:2014-05-26 Online:2014-11-15 Published:2014-11-15
  • Contact: Xiao Yan-Dong E-mail:xiaoyandong08@gmail.com
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant No. 60902094) and the Military Science Foundation of China (Grant No. 2010JY0072-046).

摘要: As the controllability of complex networks has attracted much attention recently, how to design and optimize the robustness of network controllability has become a common and urgent problem in the engineering field. In this work, we propose a method that modifies any given network with strict structural perturbation to effectively enhance its robustness against malicious attacks, called dynamic optimization of controllability. Unlike other structural perturbations, the strict perturbation only swaps the links and keeps the in- and out-degree unchanged. A series of extensive experiments show that the robustness of controllability and connectivity can be improved dramatically. Furthermore, the effectiveness of our method is explained from the views of underlying structure. The analysis results indicate that the optimization algorithm makes networks more homogenous and assortative.

关键词: robustness, network controllability, structure controllability

Abstract: As the controllability of complex networks has attracted much attention recently, how to design and optimize the robustness of network controllability has become a common and urgent problem in the engineering field. In this work, we propose a method that modifies any given network with strict structural perturbation to effectively enhance its robustness against malicious attacks, called dynamic optimization of controllability. Unlike other structural perturbations, the strict perturbation only swaps the links and keeps the in- and out-degree unchanged. A series of extensive experiments show that the robustness of controllability and connectivity can be improved dramatically. Furthermore, the effectiveness of our method is explained from the views of underlying structure. The analysis results indicate that the optimization algorithm makes networks more homogenous and assortative.

Key words: robustness, network controllability, structure controllability

中图分类号:  (Structures and organization in complex systems)

  • 89.75.Fb
89.75.Hc (Networks and genealogical trees) 02.30.Yy (Control theory)