FIELD: automatic regulators.
SUBSTANCE: invention relates to automatic regulators. A jet-pneumatic semi-permanently operating proportional-integral-differential controller consists of two circuits of a PI controller and a differentiating link with sensitive elements. The elements are made in the form of plates suspended on gas supports, with reading devices represented by “nozzle-shutter” units covered by two compensation nozzles located before and after pneumatic membrane power amplifiers, forming a regenerative feedback with a gain greater than one. To turn off the controller when the signs of the error and speed change, it is supplemented with two jet-membrane threshold elements and one preliminary block connected to the output of the proportional-integral-differential controller.
EFFECT: invention increases the speed of the controller.
1 cl, 1 dwg
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|
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| JET-PNEUMATIC PRELIMINARY AND DIFFERENTIATION UNIT | 2021 |
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| JET-PNEUMATIC SYSTEM FOR CONTROLLING RATIO OF TWO PARAMETERS | 2023 |
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