Uncertain risks control in the industrial Chain based on the complex network

From a brand new view of complex network, this paper abstracts the topological structure and dynamic mechanism of industry chain to expatiate the network relation formation and characteristics of industry chain. It points out industry chain has such characteristics of complex network as microcosm and scale-free. Therefore, the conception system and structure of industry chain are proposed. On the basis of analyzing the influence of disaster crisis on industry system, the stability to resist random attack or malicious destruction of industry chain were analyzed and the result is obtained that the robustness and weakness of industry chain under random attack or malicious destruction. The weakness of core enterprises in industry chain under external attack was stated and it is highlighted the importance of promoting core enterprises to react crisis. This paper also depicted the spread and the control of uncertainty of industry network under crisis. Disease spread model is utilized to analyze the spread of uncertainty in industry chain, measure the threshold value to prevent the spreading of crisis, as well to provide theory foundation for stability of industry chain as a whole.