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介绍了灰色预测控制的基本原理及灰色预测控制仪表在选煤厂跳汰机自动排料控制系统中应用的结果。研究表明，该控制器简化了排料自动控制系统的构成，提高了控制精度，稳定了跳汰产品质量。
The basic principle of gray forecasting control and the application of gray forecasting control instrument in automatic discharging control system of jig of coal preparation plant are introduced. The research shows that the controller simplifies the composition of the automatic control system, improves the control accuracy and stabilizes the quality of the jig products.