大型煤炭企业价格竞争复杂性与延迟反馈控制研究
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摘要
本文综合运用博弈与非线性动力学理论,构建了大型煤炭企业价格竞争模型,仿真模拟了市场需求变动下企业间价格竞争的态势以及动态演化过程,并运用延迟反馈方法对价格系统进行了控制。研究结果表明,煤炭市场需求和企业价格的变动会对价格系统产生影响,在一定的波动范围内,市场需求与价格调整参数呈反向变动关系;煤炭企业在一定范围内进行价格调整,能够保持价格和利润的稳定,但价格的过度调整将导致竞争系统陷入混乱状态;延迟反馈控制可以控制和消除价格系统中的混乱现象。
Applying the game theory and nonlinear dynamics theory, the game model of price competition for coal enterprises is constructed, and the equilibrium solution and stability of the model are discussed. The price competition situation and dynamic evolution process of the enterprises under the changing of the coal market demand are simulated. Finally, the chaos of the system is controlled by the method of delayed feedback.The results show that the change of coal market demand and enterprise price adjustment will affect the stability domain of the price competition system, and showed the reverse changes in the relationship in the stable domain of market demand and price adjustment parameters; coal enterprise price adjustment in the stable region of the system, the system can maintain stable and enterprise profit, but excessive adjustment the price system will fall into chaos; delay feedback control can control and eliminate the phenomenon of chaos in the system of price competition.
Applying the game theory and nonlinear dynamics theory, the game model of price competition for coal enterprises is constructed, and the equilibrium solution and stability of the model are discussed. The price competition situation and dynamic evolution process of the enterprises under the changing of the coal market demand are simulated. Finally, the chaos of the system is controlled by the method of delayed feedback.The results show that the change of coal market demand and enterprise price adjustment will affect the stability domain of the price competition system, and showed the reverse changes in the relationship in the stable domain of market demand and price adjustment parameters; coal enterprise price adjustment in the stable region of the system, the system can maintain stable and enterprise profit, but excessive adjustment the price system will fall into chaos; delay feedback control can control and eliminate the phenomenon of chaos in the system of price competition.
引文
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[5]丁志华、冯猜猜、刘振华.我国煤炭价格波动及其因素研究[J].价格理论与实践,2015(9).
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