vtol

The development survey of world VTOL power plant for the past half century is presented and VTOL power plant type , evolution and further development prospect are discussed in this paper .

介绍了半个世纪以来世界垂直起降动力装置发展的概况，阐述了垂直起降动力装置的类型、演进情况并展望了其发展前景。

Its cruising performance is as good as turboprop . In VTOL stage , the control system , with strong interference , is nonlinear . So its control method is more complex .

在垂直起降阶段，由于受到较强干扰的影响，系统表现出了很大的非线性，其控制方案往往是很复杂的。

Evolution and Development of World VTOL Power Plant

世界垂直起降动力装置的演进和展望

Utilizing this method , the control system of the VTOL aircraft becomes a linear control system .

第三章是利用非线性动态逆方法研究了矢量推力飞机的控制律，并以此为基础作了初步的仿真试验来验证这个飞机控制系统的设计是合理的；

Finally , motion equations were established based on the characteristics of the new configuration of VTOL aircraft .

最后根据新型垂直起降飞行器总体方案的特点建立其运动方程。

VTOL aircraft is an under-actuated system with three degrees of freedom and two control inputs .

VTOL空间飞行器是具有三个自由度，两个控制输入的欠驱动系统。

The rotor wing produces lift during VTOL , using aerodynamics .

该旋翼产生的电梯在垂直起降，利用空气动力学。

The rotor wing gives flight direction during VTOL and forward flight , using aerodynamics .

该旋翼使飞行方向，在垂直起降和向前飞行，利用空气动力学。

Nonlinear Trajectory Tracking Control of Under-actuated VTOL Aircraft

欠驱动VTOL空间飞行器系统的非线性跟踪控制

Configurations and Control Strategy for VTOL UAVs

垂直起降无人机总体方案分析及控制策略综合研究

Internal Force Calculation of Crossbeams of Three Gorges Project Ship Lift Tower with 3D FEM fan-in-wing VTOL

三峡升船机塔柱联系梁三维有限元内力计算翼内升力风扇式垂直起落飞机

Robust Non-fragile H_ ∞ Control for VTOL Helicopter

VTOL直升机的鲁棒非脆弱H∞控制

Tilt-rotor aircraft is a new kind of flight vehicle which has the characteristics of vertical take-off and land ( VTOL ) .

倾转旋翼机是一种新型飞行器，它具有可以垂直起飞和降落的特性。而它的巡航性能又与固定翼飞机相同。

In the paper , according to the dynamics and kinematics principle of the four-rotor VTOL aircraft , non-linear and linear models were established .

文中根据四旋翼垂直起降机的动力学和运动学原理对其建立非线性模型和线性模型。

The trajectory tracking control for the under-actuated VTOL ( vertical take off and landing ) aircraft with any input coupling was addressed .

研究了欠驱动VTOL（垂直上升和垂直着陆）空间飞行器在各种输入耦合时的非线性跟踪控制问题。

The military sees a great need for small , lightweight aircraft that can be easily transported and support vertical takeoff and landing ( VTOL ) capabilities .

军方一直以来都希望能装备微型飞机，这种飞机体积小，重量轻，易于运输而且还具备垂直起降功能。

Compared with single-rotor helicopter , the four-rotor VTOL ( vertical take-off and landing ) helicopter has smaller propellers , which can reduce the risk of crashing into the surrounding objects . o it can make the flight safer .

四旋翼垂直起降机相对于一般的单螺旋旋翼式直升机可以采用更小的螺旋桨，不至于使裸露在外面的螺旋桨刮到周围物体，从而使飞行变得更加安全。

The ride-hailing company first signalled its interest in short-range " vertical take-off and landing " ( VTOL ) technology in October , when it published a white paper discussing the potential for " on-demand aviation " to transform the daily commute .

去年10月，这家叫车服务公司首次表现出对于短程“垂直起降”（VTOL）技术的兴趣，当时该公司发表一份白皮书，讨论利用“按需航空服务”转变日常通勤模式的可能性。

In a research paper published while at Nasa , he explained : " A zero emission , highly efficient , highly reliable , ultra-low noise VTOL capability would be a game changer compared with existing close proximity flight capabilities , for both unmanned and manned applications . "

在一篇他任职NASA期间发表的论文中，他解释说：“与现有的短距离飞行能力（无论是无人还是载人飞行器）相比，零排放、高效率、高可靠性、极低噪声的垂直起降能力将成为游戏规则的颠覆者。”