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In order to realize the local consumption of surplus electric energy, this paper proposes a multiagent cooperative game model of power grid-generator-electrolytic aluminum based on Nash negotiation theory. The operation characteristics of the power grid, generator, and electrolytic aluminum are considered in the modeling of each agent. Then, a cooperative game framework considering electricity trading is further constructed based on Nash negotiation theory. Finally, a series of linearization methods are used to transform the complex problem into the mixed integer linear programming (MILP), which can be effectively solved by commercial solver. In the case studies, based on the actual situation of Yunnan power grids, a comparative analysis of the impact of cooperative and non-cooperative frameworks on multi-agents proves the feasibility of the cooperative game framework. Finally, the cooperative game model is applied to different provinces to verify its universality.

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In the design and development of software systems, redundancy mechanism is a technique that improves the reliability of a system. Therefore, the mechanism of redundant processing of core modules in a module-based software system was proposed in this study on the basis of the analysis of the structural redundancy of a software system and its impact on reliability. This mechanism includes a dual-module redundancy structure of a single module and a dual-module redundant structure of combined modules; fault detection and judgment method was also presented. Simultaneously, the reliability of the system is analyzed on the basis of various redundant structures.