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建立了采煤机自动调速过程的数学模型，并在计算机上模拟了恒功率调速特性及相关参数的动态变化情况，可为采煤机运行工况的自动显示与检测提供理论依据。
The mathematical model of the automatic speed regulation process of shearer was established. The dynamic characteristics of constant speed governor and related parameters were simulated on the computer, which could provide a theoretical basis for the automatic display and detection of shearer operating conditions.