According to the controlling requirement of megawatt wind driven generator with variable propeller pitch of horizon axis, the hydraulic control system of a variable propeller pitch is designed.
针对兆瓦级水平轴变桨距风力发电机的控制要求，设计了变桨距液压控制系统。
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。
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。
The design of servo system for pitch attitudes of a mine hunting sonar array was made using frequency domain control and variable structure control respectively.
本文对猎雷艇声纳基阵俯仰角姿态伺服系统分别进行了领域法控制律的设计和变结构控制律的设计。
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。
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。
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。
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