servo loop

At the same time, through analysed theoretical principle of CNC servo system, simplified the closed-loop system, established a mathematical model of the control system.

同时通过对数控伺服进给系统原理的理论分析，降阶简化了系统的闭环传递函数，建立了控制系统的数学模型。

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The text relates the fundamental principles, structures and designs of phase-locked velocity servo loop for threephase asynchronous motor, and introduces the result of tests.

论述了三相异步电动机锁相式速度控制系统的基本原理、结构及其回路设计。并介绍了研制试验的结果。

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Based on the real work process of coiler at worksite, an electro-hydraulic servo system including the inner position-adjusting loop and the exterior pressure-adjusting loop is developed in order that unit roller can evite the step automatically.

本研究参考实际现场卷取工艺，研制了压力调节为内环、位置调节为外环的双闭环电液伺服控制系统，以实现助卷辊对台阶的自动回避。

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Stepper motor is extensively applied in low precision position servo system with open loop control.

步进电机通常以开环方式应用于精度要求不高的位置伺服系统中.

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Adopting ac servo motor as the driving device, can the dc servo motor and a high precision, high performance as the half closed loop or closed loop control system.

采用交流伺服电机作为驱动器件，可以和直流伺服电机一样构成高精度，高性能的半闭环或闭环控制系统。

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As time domain response is slow of the servo loop and the ship affected by the wind, waves and other uncertain factors during voyaging. So used the fuzzy PID control and designed a fuzzy PID controller for this system.

由于舵机闭环时域响应缓慢，且船舶在航行过程中受风、海浪等不确定因素影响，所以采用了不依赖对象模型的模糊PID校正，设计了模糊PID控制器。

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Radar servo system is a full close-loop servo system.

雷达伺服系统是全闭环伺服系统。

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A kind of the pulse control mode, the drive and motor closed loop, but not to the numerical control system, the feedback device, in a sense, can open loop control called the servo control.

一种采用脉冲控制方式，此种驱动器与电机闭环，但不反馈到数控系统，这种驱动器在某种程度上可称为开环控制的伺服控制。

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On the other hand, close loop model fuzzy control is studied for a classical thrust vector electrohydraulic servo control system with low damping ratio and improves dynamic performance of the system.

此外，本文根据电液位置伺服系统阻尼比低的特点，采用闭环模型模糊控制，改善了系统的动态性能。

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This project that used indus-trial personal computer, PCI-1720, PCL-836 card, servo driver, servo motor to constitute a half closed loop servo-control system, so vibration of driver's chair is real-time controlled.

通过工控机、PCI-1720卡、PCL-836卡、伺服驱动器、伺服电机、电动缸等形成半闭环伺服控制系统，实现对驾驶员座椅的振动控制。

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A thorough study of the realization of nonlinear PI algorithm on fixed-point DSP is carried out. Finally, both linear PI regulator and nonlinear PI regulator of speed loop are implemented on the designed AC servo drive.

最后，实现了交流伺服驱动器速度环的线性PI调节和非线性PI调节算法。

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