FIELD: physics.
SUBSTANCE: method is realised by generating control action consisting of two components, one of which is a forecasting component, which is proportional to the trend of change of the technological parameter. The time constant of industrial objects is used to determine elementary sampling rate; technological changes of the parameter are measured with a selected sampling rate until conditions are met; the range of the forecasting time is determined; standard deviation of technological changes of the parameter and the variation factor are calculated, and polynomial characteristics are used to find the forecast time value and the weight coefficient of the forecasting component, and the trend and forecast value of the technological parameter are then determined; the difference between the forecast and given values of the technological parameter is determined; the forecasting component and the component for the control action from a controller are calculated and control action on the actuating mechanism is generated via algebraic summation of two components from the controller, and the process of generating the control action is resumed every time the forecast time is reached.
EFFECT: broader functional capabilities of controllers.
5 dwg
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Authors
Dates
2012-05-10—Published
2011-04-28—Filed