1、

A three-loop system is constructed for a vector control permanent magnet linear synchronous motor ( PMLSM). In the speed-loop and current-loop, an IP controller and a state feedback controller are used for high accuracy and rapid tracking and to restrain disturbance.

把一矢量控制的永磁直线电机构成一个三环系统,在速度环和电流环内采用IP速度控制器和状态反馈控制器,以实现电机的高精度快速进给,并抑制外部扰动对系统的影响。

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2、

When using particle filter we must assure through experiments the size of the feature rectangle and the particles' number, so that we can ensure the accuracy and efficiency of tracking.

在使用粒子滤波器时,对如何选取跟踪特征框尺寸和粒子数目进行了实验确定,保证了跟踪的精度和效率。

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3、

The velocity field measurement by use of the particle image velocimetry and particle tracking velocimetry ( PIV/ PTV) system in a tidal estuary model test has advantages of high speed and accuracy.

在潮汐河口河工模型试验中采用粒子测速(PIV/PTV)系统测量流场,具有快速、精度高的优点。

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4、

A tracking method with high accuracy for blob target

一种对斑点目标高精度质心跟踪方法

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5、

This paper presents a tracking method with high accuracy for moving blob target.

本文介绍一种对运动的斑点目标灰度质心进行高精度跟踪的方法。

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7、

In response to the problem with speed and accuracy of traditional current tracking control of SAPF can not be better co-ordination, the space vector control method is to draw into.

针对并联有源电力滤波器(SAPF)电流跟踪传统控制存在响应速度和精度不能较好的协调性问题,引入了空间矢量控制方法。

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9、
10、

The main error sources of satellite Doppler positioning, ephemeris error and refraction error, are correlated between stations simultaneously tracking a satellite pass. So satellite Doppler simultaneous observations can improve the accuracy of relative positioning between stations.

卫星多普勒定位主要误差源,星历误差和折射误差在同步跟踪一次卫星通过的两测站之间是相关的,因此卫星多普勒的同步观测能提高测站间相对定位的精度。

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11、

Because of the accuracy requirements of tracking radar, the beam width is very narrow.

跟踪测量雷达因其精度要求,波束宽度很窄。

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12、

The variable pump makes the open loop gain change and decrease, the tracking control accuracy is difficult to be achieved by traditional feedback control A/ O cascade control. Effective compensation to the change of open loop gain can be achieved with micro-controller and compound control methods.

变量泵源导致系统开环增益下降和动态变化,传统的反馈控制和串联校正很难使此类系统跟踪精度达到要求应用复合控制方法,可以对开环增益变化进行有效补偿,提高跟踪控制精度。

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