Patent Document ID: 10087846
Application ID: 14769860
Patent Flag: 1

Claim One:
1. A control system ( 100 ), comprising: an actuator ( 124 ) for positioning a control device ( 130 ), the control device defining a flow path through an aperture, the aperture defining a pressure drop along the flow path, and comprising a control surface, wherein the actuator ( 124 ) positions the control surface in order to regulate fluid flow across the pressure drop based on a model state; a control law ( 111 ) for directing the actuator ( 124 ) as a function of a model output; and a model processor ( 110 ) for generating the model output, the model processor comprising: an input object ( 220 ) for processing model input and setting a model operating mode; a set state module ( 420 ) for setting dynamic states of the model processor ( 110 ), the dynamic states input to an open loop model ( 410 ) based on the model operating mode; wherein the open loop model ( 410 ) generates a current state derivatives, solver state errors, and synthesized parameters as a function of the dynamic states and the model input vector, wherein a constraint on the current state derivatives is based on a series of cycle synthesis modules interacting in accordance to laws of physics governing behavior of the control device ( 130 ), each member of the series of cycle synthesis modules modeling a component of a cycle of the control device ( 130 ) and comprising a series of utilities, the utilities based on mathematical abstractions of physical laws that govern behavior of the component, the series of cycle synthesis modules including a flow module for mapping a flow curve relating a compressible flow function to a pressure ratio and for defining a solution point located on the flow curve and a base point located off the flow curve, wherein the optimized mapping of a flow curve comprises establishing a transform for the relationship between pressure ratio and a compressible flow function yielding a first curve related to pressure ratio and a second curve related to the compressible flow function, wherein the optimization includes minimization of the curvature of the curve related to pressure ratio while minimizing a horizontal portion of the curve related to the compressible flow function; an estimate state module ( 440 ) for determining an estimated state of the model based on at least one of a prior state of the model, the current state derivatives, the solver state errors, and the synthesized parameters; and an output object ( 240 ) for processing at least the synthesized parameters of the model to determine the model output.