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- Discusses the average value and limiting error of straightness error. 讨论了直线度误差的平均值及其极限误差问题；
- The formula of straightness error of the machined surface was also founded through geometrical analysis. 通过几何分析，建立了加工表面的直线度公式。
- The straightness error can be evaluated by minimum zone method, linking two points and least squares method. 首先分别介绍了直线度误差的三种数据处理方法，两端点连线法、最小二乘法和最小区域法。
- From the simulation result, straightness error is affected by guideway parallel, and the suitable pre-load can improve the error effectively. 经由模拟结果得知，导轨圆轴平行度为影响直线度误差的主要原因，此外，适当的弹簧预压力能有效的减少直线度误差。
- Compiles the arithmetic codes based on MATLAB, analyzing and fitting the measurement data, assessing the straightness error. 编写了Matlab语言的算法代码,对当前测量系统采集的直线度数据进行拟合分析,进行直线度误差评定。
- The straightness error mathematics model has been built, then the measuring and controlling system of redirector rack automatic straightening machine has been developed. 建立直线度误差的数学模型，研制全自动校直机测控系统，并用于轻型汽车和轿车的转向器齿条的检测和校直。
- Illustrations show that PSO method is capable in evaluating nonlinear optimization problems such as spatial straightness error and can obtain optimal solutions. 实例表明该方法对于空间直线度误差评定等非线性优化问题能得到最优解。
- Because of many reasons in the course of straightness error measuring, many original observed data deviate from actual value and are difficult to process. 由于在直线度误差测量过程中的各种原因,导致许多观测数据与实际值偏离或者很难进行处理。
- This study is proposed to measure the straightness error, yaw error, pitch error of motion stage by using Quad Detector and Laser Doppler Displacement Meter. 摘要:本研究运用四象仪量测系统与雷射都卜勒位移器针对设计之摩擦式导轨移动平台进行直线度、偏摇度及俯仰度误差量测与分析。
- In ultraprecision machining, multi probe methods are widely used for measuring the straightness error of the workpiece to separate the straightness motion error of the carriage. 在超精密加工中,用多测头方法测量工件直线度时,需要采用误差分离的方法分离出溜板的运动误差,并用一定的算法重构工件表面的直线度。
- A high precise and effective measurement system of axis straightness error of long shaft based on virtual instrument interface is discussed in this paper. 提出了一种基于虚拟仪器界面供生产现场使用的高精度、高效率的大轴轴线直线度误差测量系统。
- The principle straightness error of cutting square in work-pieces can be controlled by choosing a suitable pitch diameter of the planetary gear in the machine tools. 选取适当的车头行星轮的分度圆直径，可以有效地控制车方原理的直线度误差。
- The measuring method for straightness error and the optoelectronic inspecting system were described in detail, the measuring accuracy of the system was verified by experiments. 详细论述了直线度误差的测量方法和光电检测系统，通过实验对系统的测量精度进行了验证。
- How to reduce the tactical missile hull straightness error produced in forming by the bender with three rollers is a difficult problem for the missile hull manufacturing technique. 如何减小战术导弹外壳板(简称弹壳板)滚弯直线度误差是目前导弹生产工艺中的难题.
- A method to evaluate spatial straightness errors adopting particle swarm optimization (PSO) is proposed. 摘要提出了一种满足最小区域法的空间直线度误差评价的新方法一粒子群算法。
- Spatial straightness error is one of the most complex geometric errors, and its evaluating algorithms are under exploration. 摘要空间直线度误差是最复杂的形位误差之一，其评定算法一直处于探索之中。
- To improve the volumetric accuracy of machine tools, it is necessary that squareness and straightness errors of machine tools are measured, compensated and calibrated. 摘要为了改善机床的几何精度，达到高精度的三维空间定位，必须对它的垂直度误差与直线度误差进行测量与校正。
- The system structure and the mathematic model of least square method to evaluate the straightness errors are introduced. 介绍了系统结构原理以及空间直线度误差的最小二乘评定法数学模型。
- Keep straight on until you get to the church. 一直朝前走就走到教堂了。
- It's three blocks straight ahead. 一直往前走过三个街区就是。
