Aero-engine online optimization and multivariable control design method based on model predictive control
An aero-engine, multi-variable control technology, applied in the direction of adaptive control, general control system, control/regulation system, etc., can solve the problem that the real-time performance of the controller control system is difficult to take into account
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[0097] The specific implementation manners of the present invention will be further described below in conjunction with the accompanying drawings and technical solutions.
[0098] This embodiment is an online optimization and multivariable control design method for an aeroengine based on model prediction. The detailed design steps are as follows:
[0099] Step 1: Establish the aero-engine small deviation gain model with the current aero-engine actual input and external environmental parameters as the steady-state point; first obtain the steady-state point for calculating the linearized small-deviation model. In the present invention, the input quantity and environmental parameters at the last sampling moment of the engine are approximated as the steady state point to calculate the small deviation model at the current moment. The method of calculating the small deviation model of the engine near the steady state point is as follows.
[0100] During the working process of an a...
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