By predicting the noise in the loop the delay of noise signal in digital feedback loop is compensated effectively, thus the control capability of the system on disturbance is enhanced.

通过在回路中对噪声进行预测，有效地补偿了数字反馈回路造成的噪声信号的延迟，从而改善了系统的扰动控制性能。

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The speed adjusting system with field weakening with voltage feedforward, current closed negative feedback and speed closed loop was designed by adopting digital signal processor (DSP).

采用数字信号处理器（DSP）控制器，设计了具有电压前馈和电流截止负反馈的转速闭环弱磁调速系统。

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The paper takes advantage of a single close-loop control method based on voltage feedback, and enables the inverter to produce steady sine waves by the digital PID adjuster designed.

本文采用电压反馈的闭环控制方式，设计完成了数字PID调节器，使逆变器输出稳定的正弦波。

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Every schoolkid since the late 1950s probably remembers a self-study reader program just like this, from SRA. All that's really different in the digital age is the feedback loop.

FORBES: Instant feedback in the classroom