Decoupling control method based on composite disturbance-rejection diesel engine VGT-EGR system
A VGT-EGR, decoupling control technology, applied in the control field of diesel engine air system, to achieve the effects of reduced modeling workload, improved transient response speed, and simple parameter calibration method
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[0040] Based on a VGT-EGR diesel engine simulation platform, the best embodiment of the present invention and simulation results are introduced below. Finally, the experimental verification results on the WP12-480 diesel engine test bench are given. For a more detailed parameter description of the VGT-EGR diesel engine simulation platform used, please refer to "Modeling diesel engines with a variable-geometry turbocharger and exhaust gas recirculation by optimization of model parameters for capturing nonlinear system dynamics," J. and L.Eriksson, in Proc.Inst.Mech.Eng.D, J.Automob.Eng., pp.1-27.May.2011.
[0041] Such as figure 2 As shown, the present invention proposes a decoupling control method for diesel engine VGT-EGR system based on composite anti-disturbance, including the following steps:
[0042] Step 1: According to the operating condition information of the diesel engine, including the engine speed N e , Fuel injection volume W f , Environmental press...
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