Theoretical Consideration of Possible Instability of Some Continuous Processes and How to Control It
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概要
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Some continuous processes are simulated by a mathematical model which consists of a pure lag and a transportation lag.<BR> The former- respresents the effect of crushing, mixing, reaction, etc. The latter is the time required to complete the process. By taking these two lags, it is revealed theoretically that the system becomes instable when the pure lag exceeds the transportation lag. This type of instability can be eliminated by introducing the analysis.<BR> An example of this type of process is a slurry tank in a viscose spinning plant. Experimental verification is hardly possible, but the theory satisfactorily explains some facts obtained through experience. However, it is very difficult to obtain stabilization by feed back control, because there are practically no detectors of slurry concent-ration.
- 社団法人 日本繊維機械学会の論文
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