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ROBUST FLOW PARAMETER MODEL FOR COMPONENT-LEVEL DYNAMIC TURBINE SYSTEM CONTROL
ROBUST FLOW PARAMETER MODEL FOR COMPONENT-LEVEL DYNAMIC TURBINE SYSTEM CONTROL
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机译:组件级动态汽轮机控制的鲁棒流参数模型
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摘要
A system comprises an apparatus, an actuator and a processor. The apparatus defines a flow path through an aperture, the aperture defines a pressure drop along the flow path, and the actuator regulates fluid flow across the pressure drop. The processor comprises a flow module, a comparator, an estimator and a control law. The flow module maps a flow curve relating a flow parameter to a pressure ratio, and defines a solution point located on the flow curve and a focus point located off the flow curve. The comparator generates an error as a function of a slope defined between the focus and solution points. The estimator moves the solution point along the flow curve, such that the error is minimized. The control law directs the actuator to position the control element, such that the flow parameter describes the fluid flow and the pressure ratio describes the pressure drop.
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