北京航空航天大学学报 ›› 2017, Vol. 43 ›› Issue (12): 2530-2538.doi: 10.13700/j.bh.1001-5965.2016.0879

• 论文 • 上一篇    下一篇

基于数字虚拟飞行的民机复飞爬升梯度评估

涂章杰1, 王立新2, 陈俊平2   

  1. 1. 北京航空航天大学 大型飞机高级人才培训班, 北京 100083;
    2. 北京航空航天大学 航空科学与工程学院, 北京 100083
  • 收稿日期:2016-11-16 修回日期:2016-12-16 出版日期:2017-12-20 发布日期:2017-02-10
  • 通讯作者: 王立新 E-mail:wlx_c818@163.com
  • 作者简介:涂章杰,男,硕士研究生。主要研究方向:飞行动力学与控制;王立新,男,博士,教授,博士生导师。主要研究方向:飞机设计、飞行动力学与控制、飞行安全等。
  • 基金资助:
    国家“863”计划(2014AA110501)

Assessment of go-around climb gradient for civil aircraft based on digital virtual flight

TU Zhangjie1, WANG Lixin2, CHEN Junping2   

  1. 1. Large Aircraft Advanced Training Center, Beijing University of Aeronautics and Astronautics, Beijing 100083, China;
    2. School of Aeronautic Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China
  • Received:2016-11-16 Revised:2016-12-16 Online:2017-12-20 Published:2017-02-10
  • Supported by:
    National High-tech Research and Development Program of China (2014AA110501)

摘要: 飞机的爬升梯度反映了其越过地面障碍达到安全高度的能力,为保障民机复飞时的飞行安全,适航条款规定复飞爬升梯度应满足一定的数值要求。根据适航条款对民机复飞程序和复飞爬升梯度的规定,提出了一种基于数字虚拟飞行的复飞爬升梯度适航符合性评估方法。基于适航条款规定和驾驶员操纵特点,建立了复飞任务的数字化模型和驾驶员操纵模型,进而以中国某型涡喷支线客机为对象建立飞行动力学模型,构成了可进行复飞爬升任务仿真的数字虚拟飞行仿真系统。通过仿真计算完成了对着陆爬升和进场爬升的爬升梯度评估,并与真实试飞结果对比,评估相对误差在10%以内,验证了本文方法的适用性和准确性。本文方法可应用于民机的概念方案设计,为保证飞机复飞爬升性能的适航符合性和最大着陆重量的确定等提供支持。

关键词: 民用飞机, 爬升梯度, 复飞, 适航符合性, 数字虚拟飞行, 任务数字化模型, 驾驶员操纵模型

Abstract: The climb gradient of the aircraft reflects its ability of flying over the ground barrier to a safe altitude. To ensure safety of civil aircraft when going around, airworthiness regulations provide that the go-around climb gradient should meet certain numerical requirements. According to provisions of airworthiness regulations on go-around procedure and go-around climb gradient of civil aircraft, an airworthiness compliance assessment method of go-around climb gradient was proposed based on digital virtual flight. The task digitized model of go-around and pilot control model were established based on the airworthiness regulations as well as the characteristics of pilot control. Then the flight dynamics model of a certain domestic turbojet aircraft was established, which eventually constituted digital virtual flight simulation system for go-around task. The climb gradient evaluations of landing climb and approach climb were completed by flight simulation. Compared with the real flight test results, the evaluation errors are less than 10%, which verifies the applicability and accuracy of the method. This method can be applied to the design of civil aircraft, so as to provide support for determining the airworthiness compliance of go-around climb performance and the maximum landing weight of aircraft.

Key words: civil aircraft, climb gradient, go-around, airworthiness compliance, digital virtual flight, task digitized model, pilot control model

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