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Theory Study on Nonlinear Control of Ventilation Network Airflow of Mine

机译：矿井通风网络气流非线性控制理论研究

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摘要

The digital mine not only can improve work efficiency and reduce cost, but also upgrade the safety of mine. The control technologies cooperating with dynamic actual work conditions of mine can promote development of digital mine and increase ability to prevent and fight the disasters of mine. For the complexity of the climate and ventilation network of mine, the ventilation system of mine is the high-order nonlinear systems. Therefore, to study the theory of nonlinear controlling airflow of mine has theoretical and factual significance. This paper employs the basic conception and method of control theory to construct the physical model of airflow control system of mine and derives its nonlinear dynamic equations. Then this nonlinear state equation is linearized by the Taylor Series method. An appropriate controller is designed for the linear state equation with the theory of H_∞ optimal control. It shows that it is possible to control the airflow of nonlinear ventilation system of mine through linearizing and designing the controller. The result of theory study can provide the reference for the simulation and application of control technologies in mine.
机译：数字矿不仅可以提高工作效率，降低成本，还升级了我的安全。矿山动态实际工作条件合作的控制技术可以促进数字矿山的发展，增加预防矿井灾害的能力。为了矿井气候和通风网络的复杂性，矿井通风系统是高阶非线性系统。因此，研究矿井非线性控制气流理论具有理论和事实的意义。本文采用基本概念和控制理论方法来构建矿井气流控制系统的物理模型，源于其非线性动态方程。然后，该非线性状态等式由泰勒序列方法线性化。适当的控制器专为具有H_∞最佳控制理论的线性状态方程而设计的。它表明，可以通过线性化和设计控制器来控制矿井非线性通风系统的气流。理论研究的结果可以为我的控制技术进行仿真和应用的参考。

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