1)  normal profile
法向齿形
1.
Based on the method of minimizing maximum workpiece errors,the circular parameters of normal profile of spline hobs are optimized to obtain optimal circular parameters of the hob by analyzing workpiece errors.
通过对工件齿形误差的分析 ,根据最大误差最小法的基本原理 ,对矩形花键滚刀法向齿形的圆弧参数进行优化 ,使滚刀加工出的工件齿形误差最
2)  normal gear shape of a hob
滚刀法向齿形
1.
Accurate graphic method for determing the normal gear shape of a hob;
精确图解法确定滚刀法向齿形
3)  normal
法向
1.
Analysis of normal heat transfer in multilayer insulation;
多层隔热体的法向换热分析
2.
For some disadvantages in the practice of existing radial spreading method,a new radial spreading approach with a concern of outside normal direction,which was based on geometric mapping method and triangle meshes,was developed to resolve blank design problem of sheet metal part with or without hole features.
针对射线法展开钣金零件的不足,以几何映射原理和钣金零件三角网格信息为基础,兼顾零件带孔情况,建立了考虑外法向的射线法展开算法。
3.
Generally,normal based shape histogram feature,such as Complex Extend Gaussian Image,is rotation-variant for 3D shape.
针对表面法向存在的姿态敏感问题,提出了以法向和极半径构造旋转不变的径向夹角几何特征。
4)  normal tracking
法向跟踪
1.
A new technology,which is called non-interference normal tracking for NC curve grinding was presented.
将快速点磨削技术引入到曲线磨削过程中,提出了曲线磨削中砂轮对工件轮廓实施法向跟踪磨削的新方法。
5)  normal vector
法向矢量
1.
The Median Theorem will be applied to determining the normal vector of the point on parabola and then using the technology of tip compensation to measure the parabola accurately.
确定抛物曲线面上所测量点的法向矢量,启动测量针半径补偿作精密测量,使用DEAPPL语言设计程序组,阐述进入CAD/CAM中的数据文件组生成,探讨等距值d对测量精度的影响,在测量机上快速完成二维曲线的测绘和检验,设计的程序组通过标准球实验,测量精度高,除能完成抛物线检验外,还能用于其它精密二维曲线扫描。
2.
In this paper, first introduces about normal vector and then deals with how the stylus regulating automatically its own level on contact complex surface and holds constant level with nominal deflection.
首先介绍了法向矢量在仿形扫描中的作用 ,然后提出了名义偏倾值 DN 的概念 ,及引入名义偏倾值 DN 后在解决扫描中脱模的原理及实现 ,最后介绍了仿形加工及数字化在模具加工中的差异和应注意的问题。
3.
Our method uses object surface normal vectors to obtain vector distances between 3D objects.
本文提出了基于B-Rep的计算三维物体间距离的方法,即利用物体的表面法向矢量直接计算三维物体间的定向距离。
6)  Normal Circular-arc
法向圆弧
1.
Study on Intervention in Normal Circular-arc Bevel Gears Processing;
法向圆弧锥齿轮加工干涉研究
2.
Study on intervention in milling normal circular-arc bevel gears;
铣削加工法向圆弧锥齿轮的干涉研究
3.
Study on NC Machining of Normal Circular-arc Bevel Gears;
法向圆弧锥齿轮数控加工技术研究
参考词条
补充资料:超改进控制加权形心单纯形法
分子式:
CAS号:

性质:结合了超改进单纯形法与控制形心单纯形法两者的优点而产生的一种单纯形优化方法。由除响应值最差的顶点w以外的其余各单纯形顶点的响应值计算加权形心点pw,引入控制参数γ调节加权形心点的位置,确定w的反射点pγ,以保证单纯形沿逼近梯度的方向推移。在确定的推移方向上,根据顶点w、加权形心点pw。和反射点pγ的响应值用二次曲线拟合求导,决定单纯形的新顶点,以保证新顶点在该推移方向上是最优的,从而加快了优化速度。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。