Constructing the model of closed-loop control system based on function packet sets
- DU Yingling, WANG Jimei, SU Yan, LI Jinxia, SHAO Changbo
JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE). 2015, 45(6):
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To recognize the disturbance source existing in the closed-loop control system, and to eliminate the disturbance law hidden in the system, Inferring and minding further about the dynamic characteristic and law characteristic of function P-sets(function packet sets), the concepts of F-shrinking law, F-extending law,(F,F)-two directions law pair, F-shrinking law clusters, F-extending law clusters, and(F,F)-two directions law clusters were proposed, and definitions of shrinking degree, extending degree, shrinking degree set and extending degree set were given, which were used to identify the disturbance law existing in closed-loop control system. The disturbance recognition rule of(F,F)-two directions law was presented, and the model of closed-loop control system basing on function P-sets was constructed. After experimental verification, it could be found that the given method was effective, while it provided a new theoretical tool for the recognition and cancellation of disturbance law in the actual production and living.