closed loop circuit

The digital part includes closed loop oscillator, frequency divider, combinational logic circuit, non-overlapping clock generation circuit.

数字部分包含环形振荡器、分频器、组合逻辑门、非交叠时钟产生电路。

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Taking the DCS retrofit for a domestically-made 600 MW unit as an example, the design and application of APS to retrofit for aged units are presented, and the essential technical issues such as function group design and the automation of closed loop control circuit are emphatically discussed.

以某国产600MW机组DCS系统改造为实例，介绍了在老机组改造项目中设计和应用APS系统的方法，并重点探讨了功能组设计和闭合控制回路投自动等关键技术问题。

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Closed Loop Circuit Control of High Pressure Ammonia Liquor for Smokeless Charging

高压氨水消烟装煤的闭环控制

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Research of Open Loop System of Three-phase Inverting Circuit Use for Closed Loop System

三相逆变电路中开环调节用于闭环系统研究

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Through feed back signal in closed loop circuit, PLC controls speed of feed roller, and adjusts feed amount, so that iron ore layer can be controlled between high and low probes.

同时通过PLC闭环控制进料辊转速，调节进料量，控制料层保持在高低探针中间。

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This design selects the closed-loop control method, receives the keyboard entry and mechanics sensor inputs under controls of the monolithic integrated circuit, actuates electrical machinery impetus hauling organization realization hauling, simultaneously outputs demonstration of the input of the parameter and the running statu.

采用了闭环控制方式，在单片机的控制下接收键盘输入和拉力传感器输入，驱动电机带动牵引机构实现牵引活动，同时将输入参数和运行状态输出显示。

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First of all, a Z direction closed-loop control approach had been achieved in the AFM nano-machining system by using the adder circuit, through which the closed-loop control method and the open-loop control method can be switched.

首先实现了AFM纳米加工系统的Z向闭环加工方式，运用研制的加法器电路实现开环加工方式与闭环加工方式的切换。

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