1) poststall maneuver performance
过失速机动性能
3) post-stall maneuver
过失速机动
1.
Quantitative evaluation on characteristic index of post-stall maneuvers fighter;
战斗机过失速机动特征指标的量化评估
2.
This paper analyzed the characteristic of two typical methods of combination of control surfaces,the least energy control combination method and the chain combination method,according to the harmonization problem of aero/thrust vector control surfaces in post-stall maneuver.
针对在过失速机动中气动/推力矢量控制面协调问题,分析了最小控制能量和链式递增两种典型控制面融合方式的特点。
3.
Tactical advantages can be gained by use of post-stall maneuvering or super maneuvering in air-to-air combat situation.
在空中格斗中,使用过失速机动可获得显著的战术优势,而飞机在大迎角和高角速率的情况下,其动力学具有强耦合性和非线性,本文讨论了应用非线性动态道进行超机动飞机飞行控制系统的设计。
4) post stall maneuver
过失速机动
1.
The effects of unsteady free stream on the post stall maneuvering aircraft;
非定常自由来流对飞机过失速机动特性的影响研究
2.
For researching the flight test techniques of thrust vector controlled aircraft,dynamic models of thrust vector controlled aircraft were established,four post stall maneuver control laws were designed with the dynamic inverse method,tested and investigated according to a standard evaluation maneuver set(STEMS).
为研究推力矢量飞机的试飞技术,建立了推力矢量飞机的动力学模型,用动态逆方法设计了4种过失速机动控制律,并在地面飞行模拟器上参考标准评估机动动作集(STEMS)进行了飞行模拟试验研究。
3.
To improve the post stall maneuverability of aircraft, by reference to the flight control system design philosophy of X 31A, compensating the non linear factors such as aerodynamics, motional coupling and inertial coupling, a controller was constructed by the implicit model following technique for satisfactory flying qualities.
为提高飞机的过失速机动能力 ,参考 X-3 1 A飞机的飞行控制系统模型 ,对非线性因素如气动力、陀螺惯性耦合以及重力影响进行补偿后 ,按飞行品质要求采用隐模型跟踪法设计了某机的反馈控制器。
5) poststall maneuver
过失速机动
1.
A mathematical model of poststall maneuvering dynamics of aircraft was firstly set up, in which the controlling equations were based on the dynamic inverse method.
对过失速机动进行仿真建模,并以Herbst机动为例,进行了数值仿真。
2.
A flight control system is developed for an aircraft performing poststall maneuver.
应用非线性动态逆的目的就是对过失速机动飞行条件下高度非线性的飞机动力学进行线化 ;从而围绕线性的快逆回路应用结构奇异值综合方法设计相应的鲁棒控制器 ,以提供对驾驶员指令的鲁棒跟踪。
6) post stall maneuvers
过失速机动
1.
According to self study ability of neural network, this paper designed a fuzzy neural network controller to apply in one of the post stall maneuvers milestone70 degree angle of attack trimmed flight through train the fuzzy logic rules and membership functions of the traditional fuzzy logic controller, then we got satisfied results.
利用神经网络具有自学习能力的优势 ,采用反向传播学习算法 ,通过对传统模糊逻辑控制器中的模糊逻辑控制规则和隶属函数有关参数进行训练学习 ,设计了模糊神经网络控制器 ,应用于飞机的过失速机动“里程碑”之一—— 70°迎角定常飞行仿真计算 ,获得了令人满意的结果。
补充资料:过失速机动
过失速机动
post-stall maneuver
guoshisu jidong过失速机动(post.stall maneuver) 在远远大于失速迎角条件下操纵飞机,改变飞机状态和速度矢量的机动飞行动作。在过失速机动飞行过程中,飞机能迅速绕自身3个轴(纵轴、横轴和立轴)旋转,改变方向;以较大角度进入攻击,扩大攻击范围;增强对地攻击效果,减少被地面炮火击中的概率;增大瞬时盘旋角速度,增强规避机动效果。此外,过失速机动时的速度、过载都较小,飞行员体力消耗小于常规机动飞行,利于提高战斗力。能作过失速机动的飞机应具有极好的大迎角安定性;装有高效率、高可靠性的推力矢量发动机;装有推力全权限、多余度、数字控制的协调控制系统(协调控制气动舵面和矢量推力),以保证飞机在大迎角下仍具有足够的偏转和滚转能力。 1980年德国飞行员首先提出过失速机动的概念。1993年德国试飞员卡尔·兰驾驶X一3 1验证机首次实现过失速机动飞行。不久,俄罗斯匕行员也在苏一35飞机上完成了被称之为“金钟”、“倒钩”的过失速机动动作。机动飞行时的飞机迎角已经达到60“一70“。但是、过失速机动在飞机动态稳定性和操纵性、迅速增速等问题上还需进一步发展与完善。 (徐邦年)
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