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- The positioning error measurement and compensation of CNC machine tool by laser interference 数控机床定位误差的激光干涉法检测与补偿
- To solve this problem,a map-matching method is introduced,which uses a digital road map to correct the position error. 应用数字化道路图的地图匹配算法可以解决这一问题。
- The results of examination show that the application of the system increases t he efficiency of error measurement and improves the prec... 试验结果表明,应用此系统不仅能大幅度提高了精度检测的效率,而且能显著提高数控机床精度。
- Test results show that the DCSS has good dynamic stability and lest position error by using position-velocity closed loop control. 实验表明,以位置、速度双闭环控制的 全数字式直流伺服系统具有良好的动态稳定性和很高的定位精度。
- The mathematical model between position error and north seeking error is gotten through error theory and partial derivative principle. 运用误差理论和偏导数原理,推导出转位误差与寻北误差二者之间的关系模型。
- But the positioning error of INS accumulates along with time. 但惯导定位的定位误差会随着时间不断积累。
- The new method without movement paralleled with the axis of the gear makes the lead error measurement can share same generating system with profile measurement. 此方法不需要测头沿齿轮轴线方向的运动系统,利用齿形测量系统即可测量齿向误差。
- The fuzzification step categorizes the position error into five fuzzy variables, and the slope error into three fuzzy variables. 模糊化步骤把位置误差分成5个模糊变量,而把斜率误差分成3个模糊变量。
- Aimed at the spheric face of smaller diameter and sphericity of a higher-precision,a new method called "pneumatic measurement" is used in the area of sphericity error measurement. 针对被测球面轮廓的尺寸小、精度高的特点,采用“气动法”测量球度误差。
- It is set up a calculating model of which simplifies workpiece position error calculating within the machine tool's fixture. 得出简化工件在机床夹具中的定位误差的计算方法。
- If you were trying to describe how a gun-pointing servomechanism works, you might start out by saying, "Suppose I push down on the gun-barrel to create a position error. 如果你试图去描述用于火炮瞄准的伺服机制是如何工作的,你可能会从下面这种叙述开始:“假设我把炮管下压而产生了一个位置错误。
- A method of calibrating the sensors' position error, channel gain and phase uncertainties of equispaced linear array without phase delay ambiguity was presented. 摘要针对等距线性阵列天线的阵元位置误差和通道幅度相位不一致性问题,提出了一种采用单校正源分时多方位的无相位延迟模糊校正方法。
- The processing technique based on double channels of perpendicular retains information of the range and phase of signal. The no theory error measurement of audio sine signal active power with this method is achieved. 正交双通道处理技术保留了信号的幅度和相位信息,用这种方法可以实现无理论误差地测量音频正弦信号有效功率。
- Application of PSD in Error Measurement of Shape and Position PSD在形位误差测量中应用
- When machining a gear by using hobbing,the position errors between the tool and workpiece could occur. 滚齿加工中,滚刀与工件的相对位置会产生偏差。
- Obviously, the novel thermal errors measurement method based on the use of DBB is more efficient and effective compared to traditional measurement systerms. 本文的研究工作,拓展了球杆仪的应用范围,并且,应用球杆仪检测机床误差,尤其是对机床热误差的检测,相对传统测量方法,该方法操作简易,数据处理快捷方便。
- Element position error,mutual coupling between elements,and the difference in frequency responses of receiver channels influence directly the performance of array radar signal processing. 阵元位置误差、阵元间互耦的影响、接收机通道的频率响应的差异都直接影响着雷达阵列信号处理的性能。
- Numerical analysis and discussions of the position errors due to the joint clearances are given in the thesis. 将数值代入矩阵中,计算出因间隙而偏移的机构终点位置,讨论间隙对于机构的位置误差之影响。
- In this paper,artificial neural network is applied to a computer-aided the compensation and the forecasting of position error of CNC system in order to improve its manufacturing accuracy,fine experimental results are obtained. 为了提高机床数控系统的廓形加工精度,本文通过研究人工神经网络的加工误差预报补偿技术以提高计算机数控系统(CNC)的廓形加工精度,并且取得了良好的效果
- It is pointed out that the bevel gear integral error measuring technology, which was invented in China, is a powerful tool to realize the local interchange of bevel gears. 指出我国发明的锥齿轮整体误差测量技术是实现锥齿轮局部互换的有力工具。