Trimming and maneuvering control of a helicopter flight near the ground

SU Yuan; CAO Yi-hua; FANG Zhen-ping

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Trimming and maneuvering control of a helicopter flight near the ground

更新时间：2026-07-07

- Trimming and maneuvering control of a helicopter flight near the ground
- Vol. 25, Issue 2, (2010)
- 作者机构：
  
  北京航空航天大学航空科学与工程学院,北京,100191
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2010
- 稿件说明：
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SU Yuan, CAO Yi-hua, FANG Zhen-ping. Trimming and maneuvering control of a helicopter flight near the ground[J]. 2010, 25(2).
DOI：

SU Yuan, CAO Yi-hua, FANG Zhen-ping. Trimming and maneuvering control of a helicopter flight near the ground[J]. 2010, 25(2). DOI：

摘要

在单旋翼带涵道尾桨直升机的非线性全量飞行动力学模型的基础上

提出了求解配平和机动操纵问题的一种混合算法

研究了地面效应对配平和机动操纵的影响.以某直升机为算例

在近地飞行和考虑不同速度与高度时

分别进行了直升机稳定飞行时的配平计算

然后以侧向紧急转弯机动为例

对机动操纵规律的问题进行了计算分析

计算结果与地面效应的理论相符合

机动过载和操纵变化规律可以为飞行试验提供借鉴.所建立的理论方法可以为直升机近地飞行时的动力学和控制分析提供参考.

Abstract

Based on a nonlinear flight dynamics model for a single rotor helicopter with ducted tail rotor

a mixed(Newton method/Gradient method) numerical method was proposed to solve helicopter trimming and maneuvering control laws.The effects of ground on trimming and maneuvering control were studied.Taking a typical helicopter as an example

the trims for steady flight with different velocities and altitudes were first solved.Then control laws for lateral jink maneuver were obtained for helicopter NOE(nap of earth) flight.The calculation results conform to the ground effect theory

and load factor and control variation of the maneuver can be used for reference.The theoretical method here can provide the references for the analyses on dynamics and unsteady control in helicopter maneuvering flight near the ground.

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Related Institution

School of Aeronautic Science and Engineering, Beijing University of Aeronautics and Astronautics

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National Laboratory of Science and Technology on Rotorcraft Aeromechanics, Nanjing University of Aeronautics and Astronautics

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