1) form and position error
形位误差
1.
Development of the system is of great value to software of three coordinate measuring machine,and lays foundation for on line measurement of form and position errors.
在分析回转类零件采样特点的基础上，给出了圆度、圆柱度、轴线直线度及同轴度等形位误差的数学模型。
2.
But it is often difficult to measure the form and position error by on-line measurement system nowadays.
但目前的在线检测技术通常难以对零件形位误差进行在线测量。
3.
Both the comparatively extensive and deep theoretical analysis and the experiments of the measuring technology of laser diffraction and CCD technology are performed in this thesis, by which the precision and non-contacting method used to measure the form and position errors for the rotary parts are also investigated.
本文在对激光衍射测量技术及CCD技术进行了较为广泛和深入的理论分析和实验的基础上,探讨了用激光衍射测量技术及CCD技术测量回转类零件形位误差的非接触精密测量方法。
2) Shape and position error
形位误差
1.
Through analyzing the entire process of shape and position error measurement,the primary factors which influence the shape and position error measurement result uncertainty are obtained,and some difficulties are simply summarized about researching the shape and position error measurement result uncertainty.
通过对形位误差测量整个过程进行分析,得出影响形位误差测量结果不确定度的主要因素,并简单概括了研究形位误差测量结果不确定度的一些难点。
2.
The shape and position error measurement uncertainty impacts the reliability of measurement result.
形位误差测量不确定度影响测量结果的可靠性程度。
3.
Straight welded pipe of geometric straightness and section circularity(shape and position error)were not solution well at home and abroad,but the on-line measuring of large Dia.
大直径直缝焊管形位误差的在线测量,包括钢管母线直线度和钢管截面圆度的测量国内外都没有很好的解决,而大直径焊管的在线测量是当今焊管校直的重要一环,也是焊管校直过程中需要面对的技术难题。
3) geometrical error
形位误差
1.
Measuring method for geometrical error of large cylindrical workpiece;
大型圆柱工件形位误差检测方法
2.
Comparative study of statistical process control to geometrical error based on rayleigh distribution;
基于瑞利分布的形位误差统计过程控制比较研究
3.
In this dissertation, the mathematic definitions of geometrical tolerances are presented and the mathematical models for evaluating geometrical errors are created; To the pr.
零件的形位误差往往是影响整台机器工作质量的关键。
4) form & position errors
形位误差
1.
Diameters and form & position errors are important technical indexes of cylindrical workpiece, which are obtained through processing the data measured by cylindricity or roundness measuring instruments.
直径和形位误差是圆柱体零件的重要技术指标,通常用圆柱度仪或圆度仪测量并经数据处理后得到。
2.
As roughness and form & position errors have an effect on evaluation result of cylinder diameters,it is necessary that roughness is filtered for evaluating cylinder diameters size.
针对表面粗糙度和形位误差对圆柱体直径评定结果的影响,在进行圆柱体直径尺寸评定时,需要对表面粗糙度进行滤波处理。
3.
The measurement and extraction of the section profile features of cylinders are the basis of the evaluation of their diameters,form & position errors and roughness.
圆柱体截面轮廓要素的测量与提取是圆柱体直径、形位误差和表面粗糙度评价的基础。
5) Form and position errors
形位误差
1.
Now the com-mon measuring instruments for form and position errors are coordinate measuring machine (CMM),round-ness measuring instrument,and form meter(form measuring system).
在机械制造业中,回转类零件占有很大比重,而这些零件的形位误差对其质量及使用性能具有相当重要的影响。
2.
The evaluation of form and position errors is the key technique in the field of manufacturing which belongs to non-linear optimization problems.
几何产品形位误差的计算是机械制造领域中的关键问题,属于非线性优化问题,应用遗传算法的全局优化能力实现了对误差问题的精确求解。
6) Error of Profile and Position of Kinematic Pair
运动副形位误差
补充资料：舰位误差
舰位误差
ship position error
海区、航行任务对舰位精度的要求，选用合适比例尺的海图，采用合理的定位方法，正确选择导航物标(陆标、天体、无线电导航台等)，认真测算，精心标绘，可减小随机误差；认真保养、精心维护各种航海仪器，保证其正常工作，可及时发现、准确消除和实时改正系统误差。在不存在粗差和大的系统误差条件下，残存的小系统误差，通常作为随机误差处理。此时，舰位误差的大小用舰位标准差(均方误差)表示。各种观测舰位标准差一般为：陆标舰位和雷达舰位l～2链，其中三标两角舰位几十米；天文舰位l～2海里；罗兰一C舰位1—5链；奥米加舰位2～4海里；导肮星全球定位系统(Navstar—GPs)舰位和全球导航卫星系统(GLONASS)舰位30米左右，差分GPs舰位数米；舰艇惯性导航舰位约1海里／天。推算舰位的标准差一股为航程的2％～3％，有风流时稍大。舰位误差散布范围用舰位标准差椭圆、舰位标准差圆和舰位标准差平行四边形表示，概率分别为39．4％、63．2％一68_3％、46．6％。常以2倍舰位标准差作为极限误差，概率简单表示为95％。现代舰艇多装备有综合导航设备，采用计算机、现代控制、现代滤波等技术，可减小舰位误差，提高舰艇定位精度。 (高善民)iiQnwei wuchQ舰位误差(ship position error) 观测舰位或推算舰位与真舰位之间的误差。正确掌握和处理舰位误差，是舰艇航海安全、准时准点完成肮行任务和战斗航海勤务的重要保证。 舰位误差由观测误差、计算误差、作图误差和航海仪器误差等综合影响而产生。与舰艇航行环境、观测条件、定位手段、定位方法、测者技术水平等有关。舰位误差包括粗差、系统误差和随机误差(偶然误差)。大的粗差或系统误差，会产生大的舰位误差，若不能及时发现和正确处理，会危及舰艇航海安全，甚至造成灾难性的后果。舰艇航行中，须使用最新航海图书资料，在一切定位测算中，认真细致，准确正规，避免发生粗差；根据航行
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条