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为提高过滤机效率和降低铁精矿水份,我们试验了两种调节方案:一是采用单一的反馈调节系统;另一是采用前馈一反馈复合调节系统。后者调节过程的指标显著高于前者。由于前者系统滞后时间较大(τ=40秒),向管道直接加水,无缓冲余地,而时间常较短(T=35
In order to improve the efficiency of the filter and reduce the iron concentrate moisture, we tested two adjustment schemes: one is a single feedback regulation system; the other is a feedforward-feedback composite regulation system. The latter adjustment process indicators were significantly higher than the former. Due to the lag time of the former system (τ = 40 seconds), water is added to the pipeline without buffer and the time is short (T = 35