共查询到17条相似文献,搜索用时 78 毫秒
1.
2.
3.
4.
介绍了滚珠丝杠激光动态测量系统的设计,包括动态测量原理,激光测量系统的布局,主轴伺服电动机的控制等;并制定了滚珠丝杠激光动态测量仪的检定规程,对该测量仪进行动态测量,给出了测量数据与结果统计分析。该系统检测效率高,操作性强,性能可靠,已在陕西汉江机床有限公司稳定运行。 相似文献
5.
滚刀重磨后前刀面导程误差通常要在专用导程仪或万能工具显微镜上测量。但生产现场或一股小厂不具备这种专用精密测量仪器。现介绍一种简易测量装置。如图1所示。检测方法如下:将滚刀置于两顶尖之间,转动拨盘6使定位销5与标准块2接触,使定位销下侧面位于两顶尖轴线的 相似文献
6.
具有实时误差综合修正功能的动态测角仪 总被引:2,自引:0,他引:2
介绍了一种可对系统误差和随机误差进行实时综合修正的动态测角仪的结构原理和电气原理,阐述了动态测量实时误差修正技术在该仪器中的具体应用。 相似文献
7.
8.
动态测量中的温度变化会使测量结果产生温度误差。采用插入高精度标准信号的误差实时分离方法无法将温度误差从测量信号中分离出来 ,因此必须在动态测量误差修正灰色模型中加入测量仪器的温度误差项 ,以提高模型的误差修正精度 相似文献
9.
10.
11.
12.
13.
14.
15.
The main cause of dynamic errors is due to frequency response limitation of measurement system.One way of solving this problem is designing an effective inverse tilter.Since the problem is ill-conditioned,a small uncertainty in the measurement will cause large deviation in reconstructed signals.The amplified noise has to be suppressed at the sacrifice of biasing in estimation.The paper presents a kind of designing method of inverse filter in freqtency domain based on stabilized solutions of Fredholm integral equations of the first kind in order to reduce dynamic errors.Compared with previous several work,the method has advantage of generalization.Simulations with different Signal-to-Noise ratio (SNR) are investigated.Flexibility of the method is verified.Application of correcting dynamic error is given. 相似文献
16.