Vane axial fan with optional fan pitch control.
具有可选风扇节距控制的翼式轴流风扇。
Do you purchase or recommend Pitch Control Systems or Components?
您是否采购，或推荐采购变桨系统及零部件？
The pitch control is attained by the measurement of the pitch angle.
针对俯仰回路，利用测量的俯仰角实现了俯仰回路姿态控制；
Which Pitch Control Suppliers Systems or Components do you consider to be the best?
您认为最好的变桨系统或零部件供应商是？
The LVRT's dependence on pitch control systems and other state-of-art alternatives can be reduced with SDBR.
利用串联制动电阻可以减轻风电场低电压穿越对桨距控制等其他措施的依赖。
An improved pitch control scheme is presented by introducing a frequency deviation signal into the control system.
提出了一种改进的桨距角控制方案——将系统频率偏差信号引入桨距角控制系统。
In this paper, the research for the control system begin with studying controller of variable pitch control system.
本文以变桨距控制系统中控制器的研究为切入点，对控制系统展开了研究。
For extreme hard 3D pilots, every bit of force and speed in pitch control is appreciated and CCPM offers just that.
对极限3D飞行发烧模友来说，任何一点力量和速度对螺距控制都是珍贵的。CCPM十字盘控制提供了这些优势。
Study on the ideal model of blade, we can work out the primary parameters of 1.5MW wind turbine's pitch control system.
通过建立理想气动模型的计算，尽可能真实地确定1.5MW的双馈异步发电机组的变桨距设备的主要参数。
Although pitch control is used primarily to limit power in high winds, it also has a significant effect on various loads.
特别是随着风机容量和体积不断增大，变桨距控制对控制载荷会有很大的帮助。
Every hydraulic system consists of three pitch control cylinders and three pitch safety cylinders, distributed inside hub.
每套液压系统配备三只控制油缸和三只安全油缸，布置在轮毂内。
First, traditional PID variable variable pitch control system and conventional fuzzy variable pitch control system are established.
本文首先建立了PID变桨距控制系统和常规的模糊变桨距控制系统。
Therefore, to carry out research on the variable pitch control system of wind turbine and its drive system has important significance.
因此，开展对风力机变桨距控制系统及其驱动系统的研究具有重要的意义。
APPROACH MODE, An autopilot/flight director mode which is a combination of localizer for roll control and glide slope for pitch control.
进近方式，一种综合了控制横侧的航道信号和控制俯仰下滑信号的自动驾驶／飞行指引方式。
Based on the megawatt wind turbine generator system, the pitch control techniques for large scale wind turbines are deeply analyzed in this thesis.
本文以兆瓦级风力发电机为依托，对大型风力发电机变桨距控制技术进行了较深入的探讨。
The thesis makes a main study of submarines' depth and pitch control in vertical plane and researches on submarines' equilibria control performance.
本文将主要研究潜艇垂直面的深度和纵倾的控制，从而进一步研究潜艇的均衡控制性能。
In addition, Ming Yang's self-manufacturing and testing facilities to produce gearbox, generator and pitch control system are progressing as planned.
此外，明阳的自主制造和生产齿轮箱，发电机，变桨距控制系统的检测设施，是按计划进行的。
Based on the research of wind turbine aerodynamics characteristics, a model was established and the theoretical foundation of pitch control was built.
通过风力机空气动力学分析和模型研究，为变桨距控制提供了理论基础。
The torque control, pitch control and general wind turbine coordinate control strategy of variable speed adjustable pitch wind turbine were researched.
针对变速变距机组的转矩控制、桨距控制以及整机的协调控制进行了研究。
This paper describes the mechanism pitch control with enzyme. A lot of data from commercial paper machine have showed that enzyme have a striking effect in pitch control.
本文叙述生物酶控制树脂障碍的机理，并用生产数据说明生物酶控制树脂障碍效果显著。
First, wind turbine aerodynamics and variable pitch control process was discussed to provide theoretical studying basis for studying of the system design and control strategy.
首先对风力机空气动力学和变桨距控制过程进行了探讨，为系统的设计及控制策略的研究提供理论基础。
The method of modifying the minimum unsticks speed for airplanes having the limited pitch control authority is also given referring to the method of modifying the stall speed.
参照失速速度修正方法给出了受俯仰操纵效能限制的飞机最小离地速度的修正方法；
The system operates by a lever (28) which controls a pitch control unit (10) which in turn controls engine speed and also the pitch of propeller blades (12) of propeller (14).
系统通过控制螺距控制单元(10)的杆(28)操作，螺距控制单元依次控制引擎速度和螺旋桨(14)的螺旋桨叶片(12)的螺距。
This paper describes the mechanism of pitch control with lipase, and introduces the recent progress in the fields. Some related practical applications in mill are also presented.
本文叙述生物酶控制树脂障碍的机理，并介绍了脂肪酶在树脂障碍控制方面的现状及研究进展。
Then the piecewise PID pitch-controlled algorithm and the control strategy for transition between variable speed constant frequency (VSCF) and pitch control were used in the test-bed.
在此试验台上对提出的分段PID变桨距控制算法以及变速恒频和变桨距切换设定的控制策略进行试验研究。
Several pitch control agents, PEO, LS, CPAM and PAC, were evaluated in their performance of reducing resin deposits. All of them showed obvious control effects but different working mechanisms.
CPAM和PAC等几种控制剂具有明显的控制树脂沉积的作用，但控制原理有所不同。
System digital prototype is established by applying restrictions, then, the kinematic simulations of landscape orientation control, portrait control and collective pitch control are carried out.
通过施加约束建立系统数字样机，实现了横向操纵、纵向操纵和总距操纵的运动仿真。
With the stand-alone wind turbine capacity of large-scale, variable pitch control, a kind of wind power generation technology, is being more and more attention for its efficiency and practicality.
随着风力发电机组单机容量的大型化，变桨距控制风力发电技术因其高效性和实用性正受到越来越多的重视。
With the stand-alone wind turbine capacity of large-scale, variable pitch control, a kind of wind power generation technology, is being more and more attention for its efficiency and practicality.
随着风力发电机组单机容量的大型化，变桨距控制风力发电技术因其高效性和实用性正受到越来越多的重视。
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