First, a one-dimensional steady model of the scramjet is established. Particularly for the combustion with three modes, the one-dimensional gas dynamic governing equations are introduced to describe the axial distribution of the flow. Second, a one-dimensional dynamic model is derived by considering the volume effect based on the steady model. The model running results show that the results of the model are in good agreement with the experimental data. Further, a three-input-one-output proportional-integral (PI) controller is designed. The simulations show that the model can meet the requirements of scramjet control system design.
YU Bingqiang, LIAN Zhiqiang, ZHOU Xin, QIU Xiaojie, LU Feng, HUANG Jinquan. Control-Oriented Study on Modeling for Scramjet[J]. Transactions of Nanjing University of Aeronautics & Astronautics,2023,(S2):18-25