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定义了大型柴油发电机组进排气系统设备的积垢率，根据灰色系统动态预测模型的建模理论提出了大型柴油发电机组进排气系统积垢预测诊断模型和诊断方法，并以进排气系统中空气滤清器的积垢诊断为例，进行了运行试验和分析，用以监视设备运行中的积垢程度、预测积垢进展以及实现设备的清洗预报警。
According to the modeling theory of dynamic prediction model of gray system, the prediction model and prediction method of fouling for intake and exhaust system of large diesel generator sets are proposed. The model of intake and exhaust Examples of fouling diagnostics of air filters in the system were run tests and analyzes to monitor the extent of fouling during equipment operation, predict fouling progress, and achieve pre-alarm cleaning of the equipment.