采用计算机实现了变磁阻电机的位置和速度闭环控制。
The closed loop control of the motor position and velocity are realized using the microcomputer.
同时利用霍尔传感器将电机速度转换成脉冲频率反馈到单片机中，实现转速闭环控制，达到转速检测目的。
At the same time using Holzer sensors will be converted into pulse frequency motor speed feedback to the MCU, realize the speed closed-loop control, to achieve speed detection.
通过速度与电流的双闭环数字PI算法结合DSP的优越性能来达到高精度，高可靠性的控制目的。
With speed and current close-loop control based on digital PI algorithm and the high performance of the DSP, high accuracy and high reliability control can be easily realized.
为实现翻转过程中薄膜的恒线速度、恒张力控制，采用转速和张力的闭环控制，将线速度作为主控制变量，进行综合控制。
In order to carry out the constant line speed and the constant tension for the rolling of plastic films during reversal, loop control of the rotating speeds and the tension is adopted.
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。
Adopting linearity disperse control technique, position ring, pressure ring, rate ring, current ring constitute the more closed loop pressure regulate system.
在控制方法上采用基于PID方法的速度闭环控制，实现了电机的稳定运转；
On control, speed closed loop controlling based PID is utilized and the stable run of motor is realized.
在张力波动范围窄、张力数值较小的控制系统中，采用矢量闭环控制，通过对收放卷速度的补偿，能收到较好的效果。
In the system with little tension fluctuation and numeric, by compensating the reeling in and out rate, adopting vector close-loop control can get better effects.
采用增量式编码器，通过速度及位置信号进行双闭环控制。
Double closed loop control is implemented with increment encoder through signal of speed and position.
在焊接过程中，对电弧电压、焊接电流、焊接速度实现闭环控制。
The loop circuit controlling of current, voltage and speed of welding can be realized in welding process.
交流矿井提升机的减速阶段，一般要求主要用动力制动，但速度闭环控制难实现。
Power braking is usually required when mine hoist is at reducing stage, but sPeed closed-loop control is difficultly realized.
研究了用位总线微机构成的液压阀控马达速度闭环数字控制系统。
This paper deals with a closed-loop digital control for a hydraulic valve, controlled motor speed system.
无传感器闭环控制模块包括换向调节、电流环调节和速度环调节、正反转速控制等功能。
Sensorless DC motor close-loop control module include reversing control, current loop regulating, the positive and negative rotational speed controls with speed ring etc.
系统采用速度开环、磁链闭环的矢量控制方案。
The system adopts vector control scheme of rate opening loop and magnetic linkage closed loop.
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。
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.
该添加系统以浓缩池自由区的煤泥水为检测对象，以沉降速度作为反馈量，构成闭环控制系统。
The adding system regards the slime water of the free district of the thickener as detecting target, sedimental speed as the feedback, form the close-circuit control system.
基于观测出的状态信息，构成了转差频率控制的转矩速度双闭环新型变频调速系统。
Utilizing the information observed, a new type of slip frequency controlled torque-speed double closed loop system is developed.
用TPY3系列调速器对牵引机的速度进行闭环控制，提高线速度的稳定性，从而提高生产效率和产品质量。
TPY3 series speed-adjusting system can realize closed loop control to speed of traction machine, the stability of line speed is increased, so production efficiency and product quality are improved.
对其速度闭环控制系统，应用了模糊pid控制策略，实现了摊铺机恒速控制。
The fuzzy PID control strategy is applied to the closed loop speed control system to realize consistent speed control.
针对扫描镜精密伺服系统，本文采用按照电流环、速度环和位置环等三个回路进行控制系统设计的开闭环复合控制方案。
The scanning mirror precise servo system is designed by the scheme of compound control of open and closed loops with current, velocity and position loops in this paper.
针对液压阀控马达模型建立困难而又不准确，路面凸凹不平造成冲击载荷时变等问题，设计了模糊控制器对行走马达的速度进行闭环控制。
As to the difficulty in constructing a model and variable impact because of uneven ground, a fuzzy controller is made to control the velocity of the hydraulic motor.
为了达到更优的制动效果，通过分析提出了气压反馈、减速度反馈的双闭环控制策略。
In order to reach more excellent result, we gave a control strategy of atmospheric pressure feedback and acceleration feedback.
送丝速度通过两个PI调节器进行双闭环控制，分别进行电枢电压反馈和电弧电压反馈。
Two PI adjusters were applied for wire feeding velocity control, one performed motor armature voltage feedback, the other one executed arc voltage feedback to determine the given velocity.
送丝速度通过两个PI调节器进行双闭环控制，分别进行电枢电压反馈和电弧电压反馈。
Two PI adjustors were applied for wire feeding velocity control, one performed motor armature voltage feedback, the other one executed arc voltage feedback to determine the given velocity.
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。
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.
本文对双闭环泵控式速度控制系统提供了一种简便而有效的分析方法及校正设计。
This paper advances a simple and effective analytic method and compensating design for the velocity control system of a double closed loop pump control.
实验表明：双闭环的永磁数字交流伺服系统拥有很高的速度和位置控制性能。
Experiments show that the two-loop Servo System has good performances in speed and position control.
由自感知电压引入速度负反馈闭环控制，并由假设模态法将位移按模态展开，求解了悬臂梁结构的动态特性；
The mathematical models based on the assumed modes method and a closed loop velocity feed back control law are developed to describe the flexural vibration dynamic behaviors.
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。
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.
论述了基于C8051的直流无刷电机控制系统设计，实现了速度、电流的双闭环控制。
Brushless motor control system design based on C8051 was introduced, speed and current double close loop control was realized.
论述了基于C8051的直流无刷电机控制系统设计，实现了速度、电流的双闭环控制。
Brushless motor control system design based on C8051 was introduced, speed and current double close loop control was realized.
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