Based on the continuous casting device in the laboratory of our school, the theory of robust control is applied to position loop system driven by hydraulic servo.
本课题针对我校实验室结晶器连铸装置，将鲁棒控制理论应用于液压驱动伺服位置环系统的研究开发。
The double close loops of speed and current control is introduced in the system and the PI control is implemented in the current and speed loop, the position of rotor pole is detected by hall element.
系统采用电流、速度双闭环控制，电流、速度的调节采用PI调节，转子磁极位置通过霍尔元件检测。
Experimental results show that the system performance using the proposed control strategy is better than that using the control strategy with position control loop only.
实验结果表明：与仅有位置控制环的控制策略相比，该方法提高了系统的稳态精度和动态性能。
Although the general design method of the position loop composed of the position sensor is abnegate, but the information radar servo system has high orientation precision in this way.
采用该方法，虽然舍弃了由位置传感器构成位置回路的常规设计方法，但情报雷达伺服系统仍然有较高的定位精度。
The series control with the velocity loop and the position loop is an effective design method in the electro-optical tracking system which requires short respond time and little tracking error.
在光电实时跟踪系统中要求响应的时间短、跟踪误差小，采用速度环和位置环的串级控制是一种有效的设计方法。
The servo loops include speed control loop and position control loop plus feed-forward control, therefore the system is a compound control system.
该伺服系统包括速度环和位置环以及前馈控制，因此该系统是一个复合控制系统。
In particular, the three closed loops including position loop, current loop and speed loop, and the hardware structure of the control system were described in detail.
详细介绍了控制系统采用的硬件结构和位置环、电流环和速度环三闭环控制方法。
Based on cascade control strategy and nonlinear auto-disturbance-rejection control (ADRC) method, double loop (position loop and current loop) ADRC was designed for single-pivot levitation system.
双环(位置环和电流环)自抗扰控制器的设计，以单点悬浮系统为研究对象，采用分级控制策略和非线性自抗扰控制方法。
Analyzed the structure and mathematical model of linear servo system based on open-closed loop iterative learning position regulation in detail.
详细分析了开闭环迭代学习位置调节下的直线伺服系统结构与数学模型。
The servo control system combines position loop, speed loop, current loop with algorithm of space vector pulse width modulation(SVPWM).
系统采用位置、速度和电流环三环控制，并结合空间矢量脉宽调制（SVPWM）算法。
The position control loop composed of self-adjusting PI control based on Fuzzy inferences in AC servo system of permanent magnet synchronous motor was discussed emphaticaly in this paper.
主要分析了用模糊自适应PI控制构成永磁同步电机交流伺服系统的位置环。
In this system we apply the double closed loop theory to guarantee the accuracy of position control.
在本系统中，我们应用了双闭环控制理论，以保证位置控制系统的稳定性。
Adopting linearity disperse control technique, position ring, pressure ring, rate ring, current ring constitute the more closed loop pressure regulate system.
采用线性离散控制技术，由位置环、压力环、速度环、电流环多闭环构成线性离散压力调节系统。
The position loop use the PD control algorithm, to increase the system's phase margin, reduce the system's oscillation and ensure that the control system has good dynamic characteristics.
位置回路采用PD控制算法，以增加系统相位裕度，减弱系统振荡，保证控制系统具有良好的动态特性。
According to the motor mathematical model, control system is confirmed to dual loops feedback construction including position loop and current loop.
根据扫描电机的数学模型确定了位置反馈加电流反馈的双闭环负反馈控制结构。
A kind of closed loop timing control system based on position-sensorless control for axial blood pump of artificial heart brushless DC motor is introduced in this paper.
介绍一种用于人工心脏轴流式血泵的无位置传感器无刷直流电动机闭环调速控制系统的电路设计。
By the use of software EASY5, the electro-hydraulic proportional system of position close-loop is modeled and simulated, which provided the controlling parameters for experiment.
利用EASY5仿真软件对组合阀组成的电液比例位置闭环系统进行动态建模仿真分析，为实验提供了控制参数。
High accurate double channels rotary transformer is the position detecter of the launcher, feeding back the position information of the closed-loop control system.
采用高精度双通道旋转变压器作为发射架的位置检测装置，实现了闭环控制系统中位置信息的反馈。
Given the structure of position regulator of linear servo system and open-closed loop iterative learning position regulation algorithm with forgetting factor.
给出直线伺服系统位置调节器结构及带有遗忘因子的开闭环迭代学习位置调节算法。
Then the drive system of the fin stabilizer is analyzed. To give a control policy which AC motor is controlled by applying electric current loop, speed loop, position loop in this system.
然后对转鳍驱动系统进行了分析，确定了在系统中使用电流环、速度环、位置环的交流电动机控制策略。
According to all of these characteristics of the system, a three-loop fuzzy sliding control mode is adopted, the speed and position loop are outer loop, and the current loop is inner loop.
根据系统这一特点，采用三闭环模糊滑模控制策略，外环为速度和位置闭环，内环为电流闭环的方法设计控制器，并进行了仿真实验研究。
The closed -loop control system of position, velocity, current using Limited Angle Brushless DC Torque Motor is designed and simulated and its reliability is designed.
完成了有限转角无刷直流力矩电机的位置、速度、电流闭环控制系统的设计和仿真，并完成了控制系统的可靠性设计。
When a dual-arm manipulator carries an object from one position to another, the two arms and the gripped object constitute a closed loop system.
当双臂机械手搬运物体从一个位置到另一个位置时，机架、两个臂和被夹持物体构成一个封闭系统。
In order to realize rotor position control in the magnetic bearing system, a closed loop position feedback control system is needed to be established.
为了实现磁力轴承系统中转子的位置控制，需要建立一个闭环的位置反馈控制系统。
The current loop, speed loop and position loop of the system were designed with the help of engineering design method of automation system regulator.
按照自动控制系统调节器的工程设计方法，完成了位置环、速度环、电流环的设计。
With the application of mixed position closed-loop system in the high-speed precise laser sub-marker, the response has been increased greatly and constant error has been decreased.
将混合位置闭环系统应用于高速精密激光内雕机中，大大提高了系统的响应性，减少了系统的稳态误差。
The servo loop is a position stabilization loop of the platform. Revise loop help it to command the platform into alignment with the local present coordinate system.
稳定回路是控制平台姿态的闭环回路，它同修正回路共同作用使平台稳定跟踪当地地理坐标系。
Position loop servo system with sliding mode controller, improved accuracy of position tracking servo system, to further improved the system of permanent magnet servo control performance.
对伺服系统的位置环采用滑模变结构控制器，提高了伺服系统位置跟踪精度，进一步改进了永磁伺服系统的控制性能。
The system proposes the application of a closed loop position servo control and sets up a model and algorithm of er ror tracing and digital feedback.
系统提出采用闭环位置伺服控制，建立跟随误差和数字反馈的模型和算法。
The system proposes the application of a closed loop position servo control and sets up a model and algorithm of er ror tracing and digital feedback.
系统提出采用闭环位置伺服控制，建立跟随误差和数字反馈的模型和算法。
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