在无刷直流电动机高性能速度跟踪系统中，由于PI控制的滞后性，无法根据未来动态行为产生较为理想的PWM波形。
In the environment of high-performance drives, the PWM controller can't produce a fine PWM waveform according to the future dynamic behavior, due to the lag of PI regulator.
启用所有软件包的所有跟踪会导致服务器生成大量的数据，将明显降低系统速度。
Enabling all trace for all packages causes the server to generate large amounts of data, significantly slowing down the system.
加速度计被用于运动跟踪器以及统计步数和其它运动的应用程序。它们还被用于全球定位系统应用（GPS）程序。
Accelerometers are used in activity trackers and apps that count steps or other exercise. They also are used in global positioning system apps, also called GPS.
设计的灰色反馈线性化控制系统可以实现间接磁场定向感应伺服电机来跟踪速度给定。
The designed grey feedback linearization control system was implemented in an indirect field-oriented induction servo motor to track speed commands.
录像机中的跟踪系统只有在以标准速度运行时才能进行准确跟踪。
The tracking system in video tape recorders (VTR) can only track accurately at normal speed.
超精密数控车床加工精度的提高不仅依赖于数控装置的运算速度和曲线的拟合精度，同时还依赖于伺服系统的跟踪精度和点位控制精度。
The manufacture precision of super exactitude NC lathe depends on not only the operation rate of NC deviceand joined precision, but also the error of track and point location about servo system.
速度滞后补偿是一种提高光电伺服系统跟踪精度的有效方法。
The velocity delay compensation is a effective method to improve the tracking precisions of the photoelectric servo systems.
例如，可以使用跟踪条来控制系统的鼠标速度或光标闪烁频率。
For example, you might use the track bar to control the cursor blink rate or mouse speed for a system.
本文论述将滤波理论应用于机载雷达中对单个目标进行距离、速度、方位角和高低角跟踪的多环反馈系统。
In this paper, a filtering theory is applied to the multiple closed-loop feedback system for tracking a single target in range, velocity, azimuth and elevation in an airborne radar.
研究了分别以电机编码器和速率陀螺输出信号作为速度环反馈时，系统输出的跟踪特性。
The article also studied the tracking quality in which the system has used the motor encoder and the velocity gyro as the velocity loop feedback respectively.
实验结果表明，该方法的走廊图像识别和跟踪速度能够满足系统实时性的要求，并具有较高的可靠性。
The experimental results indicate that the high speed of corridor recognition and tracking, in this method can meet the real-time request of the system, and has high degree of reliability.
设计的反推控制可以实现永磁同步电动机速度跟踪控制，保证系统具有良好的速度跟踪性能。
The newly designed backstepping control is implemented for permanent magnet synchronous motor (PMSM) to track speed commands, at the same time the design can provide better speed tracking performance.
实验表明，此方案完全能够满足跟踪系统对跟踪速度和跟踪精度的要求。
Experiments show that this scheme can completely meets needs of tracking velocity and tracking accuracy of the tracking system.
纤维缠绕机控制系统中，缠绕台车速度跟踪控制是其关键技术。
Trolley speed control is one of the key techniques used in the control system of filament winding machine.
该处理方法效果好，处理速度快，能够满足跟踪系统的实时性要求。
It can get good effect and its processing speed is fast, which shows it can meet the demand of real time seam tracking system.
为了提高系统图像处理速度，利用卡尔曼滤波器对跟踪的特征点进行预测，并用窗口处理技术减小图像处理区域。
In order to improve the speed of image processing, the Kalman filter is used to predict the next place of tracked point.
试验结果表明，基于该算法的伺服控制系统在不同跟踪速度下均具有较高的控制精度和良好的动态性能。
The result of test shows that under different tracking speed, the servo control system using this algorithm all features high control accuracy and excellent dynamic performance.
随着目标速度的提高和光电跟踪设备自动化程度的提高，对电视跟踪器伺服系统的跟踪精度提出了越来越高的要求。
With the increase of both object speed and automatic tracking ability of the optoelectronic tracking equipment, higher precision is needed for the servo system in the TV tracker.
为进一步提高伺服系统的跟踪响应与抗扰能力，对原速度控制器提出了改进方案。
To improve the servo system's tracking response and anti-disturbance performance, the original speed controller is ameliorated.
本焊缝跟踪系统控制精度高、速度快、可靠性好。
This system has high control precision, fast response and good reliability.
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 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.
反馈系统包含了跟踪误差的未来信息，以便改善发电机的跟踪速度和控制效果。
To improve the tracking speed and control effects of the generator, the feedback system includes indirectly the future information of the tracking errors.
并通过静态目标锁定实验和动态目标跟踪对比实验，检验了该视觉跟踪系统和速度反馈pid控制算法的性能。
By the experiment of fixing static object and contrasting experiments of tracking moving object, the capability of the visual tracking system and the velocity PID control algorithm is tested.
高速高精度跟踪控制系统，其速度和加速度误差环节的加入对系统的速度和加速度品质因数均有影响。
The high speed and precision track control system adopts speed error and acceleration error compensation to make influence on quality factors of speed and acceleration.
最后给出了有、无加速度观测器反馈时系统跟踪晃动误差曲线。
Finally, the paper gives out the tracking ripple errors about the feedback system of the acceleration observer.
通过此方法设计的速度跟踪控制，在保证整个闭环系统稳定的情况下，提高速度跟踪的快速性。
By this linearization model, the speed tracking control law is designed to increase the celerity of speed tracking while keeping the whole closed loop system stable.
随着被测目标速度和加速度的提高，对光电跟踪伺服系统的快速捕获能力也提出了越来越高的要求。
The high ability of optoelectronic tracking servo system to tracking and acquiring fast moving targets is required , along with the rapid enhancement of target speed and acceleration .
由此数控系统使得机床定位和跟踪操作模式的速度、稳定性及精度都得到了保证。
The computerized numerical-control system ensures the speed, stability, and precision of machine-tool operation in both positioning and tracking modes.
通过对硬盘主轴马达的反电动势与马达转速之间关系的分析，提出一种利用马达的反电动势信号跟踪马达转动速度变化，产生系统伺服写入时钟信号的方法。
By analyzing relation between BEMF of the hard disk spindle motor and the rotate speed. This paper presents a new method of following the motor rotate speed by PLL to lock BEMF.
通过对硬盘主轴马达的反电动势与马达转速之间关系的分析，提出一种利用马达的反电动势信号跟踪马达转动速度变化，产生系统伺服写入时钟信号的方法。
By analyzing relation between BEMF of the hard disk spindle motor and the rotate speed. This paper presents a new method of following the motor rotate speed by PLL to lock BEMF.
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