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   output sampling 在 电力工业 分类中 的翻译结果: 查询用时:0.465秒
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output sampling
相关语句
  输出采样
    This essay mainly analyze and design the controlling circuit, including output sampling circuit, close loop feedback circuit and driving circuit.
    主要对控制电路进行了分析与设计,其中包括输出采样电路、闭环反馈电路以及驱动电路;
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  output sampling
In this paper, two approaches are developed for directly identifying single-rate models of dual-rate stochastic systems in which the input updating frequency is an integer multiple of the output sampling frequency.
      
Unlikestatic output feedback, fast output sampling feedback always guarantees the stability of the closed loop system.
      
The reason is that the output may be on a different sound card with a noninteger ratio between input and output sampling speeds.
      
The output sampling rate was correspondingly chosen to allow 15 noise samples for every data transition.
      
Since separate crystal oscillators generate the input and output sampling rates, the resampling rate will change with time.
      
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This study introduces a method of modeling and parameter-identification over large turbine based on PLPF in time domain. PLPF is a method of solving multi-integral problem in model function fitting through piecewise linearization after turning transfer function into differential equations. The method builds mathematical models, and identifies parameters according to the input-output sampling data under the disturbance dynamics. The models are continuous time ones with specific physical significance on...

This study introduces a method of modeling and parameter-identification over large turbine based on PLPF in time domain. PLPF is a method of solving multi-integral problem in model function fitting through piecewise linearization after turning transfer function into differential equations. The method builds mathematical models, and identifies parameters according to the input-output sampling data under the disturbance dynamics. The models are continuous time ones with specific physical significance on parameter. The method has the features of simplicity, fast and accuracy. It has been successfully applied into the research of modeling and parameter identification on practical power system. The field tests were carried, out on several plants, and plenty of experience and first-hand data have been obtained. The results verify the validity of the method.

文章提出一类基于时域分段线性多项式函数(PLPF)的辨识方法用于大型汽轮机的数学建模和参数辨识。PLPF是一种将传递函数模型经微分方程转化为多重积分,并利用动态响应的离散观察数据构造拟合函数进行分段处理的方法。根据系统模型输入输出时域动态响应数据,采用该方法直接进行有关参数的辨识,建立具有明确参数物理意义的连续时间模型,方法简洁快速准确。该方法成功应用于实际系统的建模和参数辨识,在多个厂站进行了参数辨识的工业试验。

This essay is based on the development of a practical Three - phase high frequency chopping AC/AC converter , which replaced traditional basic frequency compensation techniques with a high frequency PWM technique. This technique can not only minimize the size and weight but also raise efficiency and reaction speed. This essay mainly analyze and design the controlling circuit, including output sampling circuit, close loop feedback circuit and driving circuit. It also analyzes the stability of controlling...

This essay is based on the development of a practical Three - phase high frequency chopping AC/AC converter , which replaced traditional basic frequency compensation techniques with a high frequency PWM technique. This technique can not only minimize the size and weight but also raise efficiency and reaction speed. This essay mainly analyze and design the controlling circuit, including output sampling circuit, close loop feedback circuit and driving circuit. It also analyzes the stability of controlling circuit and gives a system frame, transporting function and Poter diagram. The essay adopts some methods as followings: a). using stable RMS data to realize the stability of output voltage, b). Using active filtering technique to reduce the higher harmonic wave interference in controlling circuit, c). Utilizing positive temperature character of Zener diode to reduce the temperature instability and compensate negative rectifying diode in sampling circuit d). adopting driving circuit of programmable adjusting dead time to completely meet the needs of interval and time order of three-phase chopping AC/AC converter.

分析与设计基于一种实用的三相高频斩波式AC/AC变换器的研制,以高频脉宽调制(PWM)技术取代了传统的基频电压补偿技术,不仅减小了体积和重量,且提高了效率和响应速度。主要对控制电路进行了分析与设计,其中包括输出采样电路、闭环反馈电路以及驱动电路;并对控制电路的稳定性进行了分析,给出了系统框图、传递函数以及波特图。在分析与设计中,通过稳定RMS值实现输出电压的稳定;采用有源滤波技术,减小了控制电路中的高次谐波干扰;利用齐纳二极管正温度特性,减小了系统的温度漂移,较好地补偿了采样电路中整流二极管的负温度特性;采用可编程调节死区的驱动电路,完全满足三相斩波式AC/AC变换器四路驱动信号的电器隔离和时序要求。

 
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