4-10
Control or Change?
Authors: Garri G. Azgal'dov, Aleksandr V. Kostin

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The Russian technical literature defines notion control as a slight change of object property values (or their combination) in desirable direction. Unfortunately, some valuable parameters of these changes, essential for the control process are not clearly set. For example, the amount of such change as time, in the course of which it should occur, is not set. As a result, the object undergoes some changes, but not control in the full sense of the word. To prevent confusion, the article has analyzed 13 types of changes, which the object can undergo and only two of them are really regarded as control.