| 操纵系统非线性因素对飞机纵向驾驶员诱发振荡影响的探讨 |
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| 引用本文： | 高庆玉,方振平.操纵系统非线性因素对飞机纵向驾驶员诱发振荡影响的探讨[J].航空学报,2000,21(1):21-24. |
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| 作者姓名： | 高庆玉 方振平 |
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| 作者单位： | 北京航空航天大学509教研室,北京100083 |
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| 摘 要： | 采用描述函数法建立了含有非线性控制系统的人机系统数学模型,确定了系统的极限特性,探讨了极限环与驾驶员诱发振荡(PIO)之间关系和操纵系统非线性因素对PIO影响等。并以JJ7机为例通过人机系统数字仿真验证分析结果。
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| 关 键 词： | 人机系统 驾驶员诱发振荡 极限环 控制系统非线性 描述函数 |
| 收稿时间： | 1998-11-25; |
| 修稿时间： | 1999-03-02 |
INFLUENCE OF NONLINEAR CONTROL SYSTEM ON AIRCRAFT LONGITUDINAL PILOT-INDUCED OSCILLATION |
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| GAO Qing-yu,FANG Zhen-ping.INFLUENCE OF NONLINEAR CONTROL SYSTEM ON AIRCRAFT LONGITUDINAL PILOT-INDUCED OSCILLATION[J].Acta Aeronautica et Astronautica Sinica,2000,21(1):21-24. |
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| Authors: | GAO Qing-yu FANG Zhen-ping |
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| Institution: | Faculty 509, Beijing University of Aeronautics and Astronautics, Beijing 100083, China |
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| Abstract: | A pilot vehicle system (PVS) mathematical model containing nonlinear control elements of the flight control system is established by the describing function method; the limit cycle of PVS is determined; the relation between the limit cycle and pilot induced oscillation (PIO) and the influence of nonlinear control elements on PIO are explored. Numerical simulations of PVS verify the analysis results with JJ7 aircraft as an example. |
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| Keywords: | pilot-vehicle system pilot induced oscillation limit cycle nonlinear control element describing function |
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