飞机总能量控制系统的研究Ⅱ─—非线性控制律综合与仿真

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 1994, Vol. 15 ›› Issue (9): 1043-1050.

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STUDIES ON TOTAL ENEERGY CONTROL SYSTEMS OF AIRCRAFT Ⅱ NoNLINEAR CONTROL LAW INTEGRATION AND SIMULATION

Wu Shufan, Shen Yongzhang, Guo Suofeng

FacuLty 301,Nanjing University of Aeronautics and Astronautis Nanjing,210016

Received:1992-09-28 Revised:1993-09-10 Online:1994-09-25 Published:1994-09-25

Abstract

Abstract: Based on the designed fundamental linear total energy flight control system,various nonlinear flight aItitude and speed control modes are further studied.First,the linear altitude and speed control loops are constructed and designed.Then,various nonlinear operational lim-itations are discussed and implemented in the system. The point-mass energy-state aircraft dy-namic characteristics when engine thrust reaches its limited value are studied,and the control priorities with different weights on either flight speed or flight path are implemented through adjusting the distribution of the certain total energy changing rate ability between flight speed and flight path control channels. Finally,digital simulations of this nonlinear muIti-variable control system are conducted with a Boeing-707 transport aircraft model,and satisfactory sys-tem performance is evaluated.

Key words: flight control, propulsion control, nonlinearity control

CLC Number:

V249.122

Wu Shufan;Shen Yongzhang;Guo Suofeng. STUDIES ON TOTAL ENEERGY CONTROL SYSTEMS OF AIRCRAFT Ⅱ NoNLINEAR CONTROL LAW INTEGRATION AND SIMULATION[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 1994, 15(9): 1043-1050.

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STUDIES ON TOTAL ENEERGY CONTROL SYSTEMS OF AIRCRAFT Ⅱ NoNLINEAR CONTROL LAW INTEGRATION AND SIMULATION

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