The author describes the fuzzy control towards high-pressure air valve in raw coal separation system, including fuzziness of input, setting-up of fuzzy control rules and certainty of outputs.

• 论述了如何对原煤分选系统中的高压气阀进行模糊控制，其中包括输入量模糊化、模糊控制规则的建立及输出量的清晰化。