北京航空航天大学学报 ›› 2000, Vol. 26 ›› Issue (1): 30-33.

• 论文 • 上一篇    下一篇

电传飞机人机闭环系统的诱发振荡

冯亚昌1, 李陆豫2   

  1. 1. 北京航空航天大学 自动控制系;
    2. 沈阳飞机设计研究所
  • 收稿日期:1998-07-06 出版日期:2000-01-31 发布日期:2010-09-27
  • 作者简介:冯亚昌(1935-),男,浙江宁波人,教授,100083,北京.

Induced-Oscillation of Man-Vehicle Closed System of FBW Aircraft

FENG Ya-chang1, LI Lu-yu2   

  1. 1. Beijing University of Aeronautics and Astronautics,Dept. of Automatic Control;
    2. Shen Yang Aircraft Design and Research Institute
  • Received:1998-07-06 Online:2000-01-31 Published:2010-09-27

摘要: 具有潜在危险、突发性的,可能导致飞行失控的严重人机闭环诱发振荡(PIO——Pilot Induced Oscillation)是电传飞机发展阶段频频发生飞行事故的首要原因.迫使人们去研究它产生的飞行动力学机理;查明引发它的飞行控制系统设计缺陷,寻找防范严重PIO的设计方法、工具和工作流程…….电传飞机的PIO事故,实际上在世界范围内推动了对人机耦合问题的新一轮的再认识,其中包括提出更确切的定义;提出更全面的多种分类方法;开发更有效的,考虑非线性因素、能辨识严重PIO振荡趋势的评估准则.

Abstract: Severe Pilot-Induced-Oscillation(PIO), which is potentially dangerous, paroxysmal and may lead to losing control of flight, is the principal cause of the frequent accidents in the development of FBW aircraft. This compels us to study its flying dynamic mechanism, find out the corresponding design defects of flight control system, figure out the design methods, tools and work procedures to prevent it. The accidents caused by the PIO of FBW aircraft have actually promoted a new round of consideration to the issue of man-vehicle coupling. This includes advancing more precise definitions and more all-sided method of classification, seeking more effective evaluation criterion which considers the nonlinear factors and can identify the tendency of severe PIO.

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