On the basis of analyzing the control process completely, the thesis designs yaw control system for WTGs using 89C51 single-chip computer as a main control unit.
在详细分析偏航控制系统控制要求的基础上，采用单片机89C51作为主控单元，设计了风电机组的偏航控制系统。
参考来源 - MW级风力发电系统单机电气控制技术研究——无功补偿和偏航控制系统·2,447,543篇论文数据，部分数据来源于NoteExpress
Main control Unit, two-channel electrometer and servo controller.
主控制器单元，带有两通道静电计和伺服控制器。
The hardware circuit comprises three parts: inverter, detecting circuit and main control unit.
硬件分为三大部分，逆变器、检测电路和主控单元。
The paper introduces the procedure of development of the DVT prevention apparatus taken the AT89C51 as the main control unit.
研制了以AT89C51单片机为主控单元的深静脉血栓预防仪。
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