| At present, a new huge supranational markets system was formed in a situation of economic globalization, and enterprises in different countries established highly interdependent and mutually cooperative relationship, and goods, services, capital, technology, knowledge, and other elements have been frequent movement in the international market, and all of these factors made more complicated global economic activities. In such a complex state, enterprises in different countries seem inexperienced when they faced with new financial activities. Traditional supply chain management model has been unable to adapt to the fundamental needs of enterprise development, so a new business management concept--- Supply and Demand Network of enterprises with multi-functional and opening characteristics came into being.Supply and Demand Network of enterprises with multi-functional and opening characteristics(SDN) refers to use access to global resources, global manufacturing, global sales and improving enterprises’ overall ability as a target, due to the multiple supply and demand flow interaction, a versatile open dynamic network of supply and demand patterns are formed in the relevant enterprises. SDN system is a complex economic system based to SDN as the core, and network information platform and related services as the support technologies, and the global market as external environment. As a complex economic system, it consists of a very complex and lots of elements and subsystems, and complex nonlinear interactions played a role between these subsystems and elements, and in time and space to produce a variety of complex forms of dissipative structures. All of these factors made the SDN system to produce the phase change, and promoted continuous evolution of SDN system from lower to higher and from simple to complex. Enhanced adaptability of SDN system depended on cooperation of the various elements of the subsystem. SDN management objective is to make the SDN system to tend to the ideal state of cooperation. Therefore, cooperation problems of SDN is the difficult problems of SDN management, but also the most important issue, while the process of cooperation of SDN is essentially the process of cooperation optimization and profit distribution of SDN system in the various elements. Based on the above reasons, using the idea of system science, and using game theory, intelligent optimization methods, entropy theory, chaos theory, evolutionary game theory, cooperative game theory, topsis multi-objective decision-making technology as the main research methods, and combining with enterprise system management idea and the regular of SDN development, SDN enterprises cooperation optimization and profit distribution mechanism were studied in this paper.Paper was divided into eight chapters. The literature review and the issues were raised in Chapter 1; The basic research and SDN system complexity were analyzed in Chapter 2,and the root cause of nonlinear behavior of SDN system was analyzed, and the building steps of supply flow entropy and structure entropy and collaborative innovation capability entropy, and the representation methods of order degree of SDN system complexity were explained in detail; Cooperation optimization of SDN enterprise was studied in Chapter 3 to Chapter 5. Cooperation decision model, evolutionary stability and willingness degree of cooperation, partner selection and optimization were discussed, and appropriate models and frameworks were proposed, and established a fully collaborative decision-making model and completely non-cooperative decision-making model between two nodes of SDN, and compared the system profits of the two nodes and production conditions under the three conditions of oversupply, less demand, and the relative balance between supply and demand, and enterprises’ preferences and evolution stability were quantitatively analyzed, and the production technology level on the impact of enterprises cooperation optimization decisions was discussed in depth, and the intelligent optimization method was applied to multi-objective decision model of SDN enterprise partner selection; Profit allocation mechanism of SDN enterprises was studied in Chapter 6 and 7, and the principle of profit distribution mechanisms of SDN enterprise was established, and the game patterns of two nodes and the profit distribution methods were analyzed, and the internal mechanism of benefit distribution model was deeply investigated, based on cooperation game theory and topsis methods, the profit distribution model of SDN multi-nodes was constructed, and pecific implementation methods of profit distribution mechanisms have been proposed; Summary of this paper was discussed in Chapter 8.The main innovations of this paper:(1) Based system scientific and entropy theory and chaos theory, the complexity of SDN system was measured. The research can deepen the process of formation and evolution of SDN complexity, cooperation and synergy. The new theoretical perspectives were presented through interdisciplinary fusion.(2) By using game theory and evolutionary game theory, cooperation optimization model of SDN enterprise was presented, and cooperation willingness degree of SDN enterprise and evolution stability were analyzed. This paper extent the supply chain cooperation optimization problem of the same product market to across the chain supply cooperation optimization problem of different product markets, and cooperation possibilities and collaboration space of two nodes were quantitatively analyzed. In addition, by referring to the ESS of biological evolution process, cooperation willingness of SDN enterprise and its evolution stability were studied. By using this method, it not only can explain the cooperation motivation of SDN enterprise, and can explain the stability of the optimal cooperation decision of SDN enterprise, namely whether the cooperation behavior can continue to exist in the long-term evolution process. Meanwhile, the method can illustrate under what conditions moral hazard enterprises can invade or affect the entire enterprise groups.(3) The improved PSO intelligence optimization method was applied to partner selection of SDN enterprise. Compared to the standard particle swarm optimization, the improved PSO algorithm for solving the partner selection optimization problems of the SDN enterprise has a more favorable effect. The algorithm can quickly and accurately find the best partners of SDN enterprises, and this method can be extended to any magnitude partner selection problem of SDN enterprises.(4) Based on cooperative game theory and topsis method, the comprehensive profit allocation model of SDN multi-nodes was proposed. The model was the comprehensive profit distribution mechanism model with a variety of factors, and effectively avoided the defect of single profit distribution mode, and met the expected profit distribution of each node. The model can not only embodied the principle of fairness, but also can avoided the average distribution and big pot phenomenon.
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