煤矿带式传送机实时反馈式控制方法研究

    Research on the real-time feedback control method of coal mine belt conveyor

    • 摘要: 煤矿带式传送机即带式输送机,是煤矿煤流连续运输的设备,由于其运行工况的强非线性和时变性,导致煤矿带式输送机的实时工作参数难以被精准检测,影响输送机的控制效果。为此,提出煤矿带式输送机实时反馈式控制方法。检测转速、负荷、功率、张紧力等煤矿带式输送机实时工作参数,作为控制初始值。考虑输送机负载情况,设定实时控制目标。通过初始值与控制目标的差异分析,结合输送机工作原理,计算煤矿带式输送机控制量。生成并执行控制指令,将控制信号的执行结果反馈到控制终端,调整实时工作参数的具体取值,进而实现对控制指令的调整。当控制初始值与控制目标取值相同时,完成煤矿带式输送机实时反馈式控制。实验结果表明,在空载和负载2种工况下,该方法控制下,煤矿带式输送机的转速、功率、张力的控制误差以及控制信号反馈耗时明显降低。

       

      Abstract: The coal mine belt conveyor, also known as the belt conveyor, is a device for continuous transportation of coal flow in coal mines. Due to its strong nonlinearity and time-varying operating conditions, the real-time working parameters of the coal mine belt conveyor are difficult to accurately detect, which affects the control effect of the conveyor. Therefore, a real-time feedback control method for coal mine belt conveyors is proposed. Detect real-time working parameters of coal mine belt conveyors such as speed, load, power, and tension as initial control values. Consider the load situation of the conveyor and set real-time control targets. By analyzing the difference between the initial value and the control target, combined with the working principle of the conveyor, calculate the control quantity of the coal mine belt conveyor. Generate and execute control instructions, feedback the execution results of control signals to the control terminal, adjust the specific values of real-time working parameters, and thus achieve the adjustment of control instructions. When the initial control value is the same as the control target value, real-time feedback control of the coal mine belt conveyor is completed. The experimental results show that under the control of this method, the control errors of the speed, power, tension, and control signal feedback time of the coal mine belt conveyor are significantly reduced under both no-load and load conditions.

       

    /

    返回文章
    返回