tandem helicopter

Studies on flying qualities of a tandem helicopter at hover

纵列式直升机悬停飞行品质研究

Analysis for determining trim,stability and controllability of tandem helicopter

纵列式直升机配平计算及稳定性、操纵性分析

General parameter optimization of the tandem helicopter with twin rotors based on the genetic algorithm is presented.

研究纵列式双旋翼直升机总体参数的优化设计方法,在分析双旋翼气动干扰对旋翼气动特性影响的基础上,采用改进的遗传算法,以运输效率为目标、以飞行性能和重量效率等参数为约束条件,建立优化设计模型,优化纵列式直升机总体参数。

Modelling and exact linearization for an unmanned tandem helicopter;

纵列式无人直升机建模及其精确线性化方法研究

(2) The dynamics and motion equations of unmanned tandem helicopter are established by mathematical modeling.

纵列式无人直升机是一种很好的侦察平台,具有重要的军事和民用价值。

The nonlinear aeroelastic analysis model of tiltrotor in helicopter mode was founded in this paper,and nonlinear responses of tiltrotor to initial conditions in hover were computed with a combination data method of Newmark method and Neton-Raphson method.

本文建立了倾转旋翼机直升机模式的非线性气弹分析模型,采用数值方法——纽马克法和牛顿—拉斐逊迭代法相结合的方法计算了直升机悬停状态系统对初始条件的响应,通过响应考察系统从初始时刻到任意时刻之间的响应过程,同时判断出系统的稳定性。

Analysis for determining trim,stability and controllability of tandem helicopter

纵列式直升机配平计算及稳定性、操纵性分析

The Application of Quadratic Optimal Control to a Tandem Helicopter

二次型最优控制在纵列式直升机中的应用

Analysis on Twin-Rotor/Fuselage Interactive Flowfield for Tandem Helicopter Based upon Momentum-Source

基于动量源方法的纵列式直升机双旋翼/机身干扰流场分析

tandem rotors helicopter

纵列式双旋翼直升机

Modeling and Nonlinear Control of an Unmanned Tandem Helicopter;

纵列式无人直升机建模及非线性控制

Information Entropy-based Fault Tree Analysis of Unmanned Tandem Helicopter

基于信息熵的纵列式无人直升机故障树诊断

Modelling and exact linearization for an unmanned tandem helicopter

纵列式无人直升机建模及其精确线性化方法研究

Unmanned tandem helicopter is an excellent aerial platform for reconnaissance, surveillance and search.

纵列式无人直升机是一种很好的侦察平台,具有重要的军事和民用价值。

roller escapement

滚子式半直进擒纵机构

The helicopter landed with Joe at the controls.

直升飞机在乔的操纵下降落。

stowed rotor vehicle

旋翼收藏式组合直升机

helicopter liferaft

直升机空投式救生筏

hydraulic plunger elevator

液压柱塞直顶式升降机

intermeshing rotors helicopter

交叉旋翼式直升飞机

intermeshing-rotor helicopter

交叉双旋翼式直升机

Dauphin twin-engine helicopter

太子式双引擎直升机

The pilot can only used the joy stick to control the plane in all the flight time.

飞行员在整个飞行时间内都可以握杆操纵对直升机实施操纵。

Analysis of Unmanned Helicopter Hovering in Ship Flow Field over Flight Deck

舰面流场对直升机着舰时悬停操纵的影响