相关实验视频

Updated: Jun 17, 2025

Easy and Accurate Mechano-profiling on Micropost Arrays

Easy and Accurate Mechano-profiling on Micropost Arrays

Published on: November 17, 2015

基于粒子群算法识别方法,确定坐标测量机的最佳测量区域

Hongfang Chen¹, Huan Wu¹, Yi Gao¹

¹Beijing Engineering Research Center of Precision Measurement Technology and Instruments, Beijing University of Technology, Beijing 100124, China.

The Review of scientific instruments

|August 8, 2024

概括

本研究提出了一种粒子群优化方法,以确定大型坐标测量机 (CMM) 的最佳测量区域. 该方法通过优化CMM的空间定位和测量参数来提高测量精度.

科学领域:

计量学和测量科学计量学和测量科学
机械工程机械工程
计算智能是一种计算智能.

背景情况:

坐标测量机 (CMM) 对于精确的维度验证至关重要.
在CMM中优化测量空间对于最大限度地提高准确性和效率至关重要.
现有的方法可能无法完全解决大型CMM中复杂的体积误差分布.

研究的目的:

开发一种智能方法,以确定大型CMM的最佳测量区域.
通过智能优化测量空间来提高CMM测量的精度.
用实验数据和高精度标准验证拟议的方法.

主要方法:

利用激光追踪器多站技术绘制体积误差分布图.
使用逆距离权重 (IDW) 算法进行体积误差插值.
应用了LASSO算法来解决半刚体模型并获得几何错误.
开发了一个错误优化模型,并使用粒子群优化 (PSO) 进行区域识别.

主要成果:

在特定的CMM空间坐标内,PSO算法成功地确定了一个 (35 × 35 × 35) mm3物体的最佳测量区域.
确定的最佳区域进一步细化为精确的范围 (例如,280 mm < X < 315 mm).
使用高精度球体进行实验验证,证实了拟议的基于公共服务任务的方法的准确性和可靠性.

结论:

提出的粒子群优化方法有效地确定了CMM的最佳测量区域.
这种智能方法通过优化CMM空间利用来提高测量精度和效率.
这些发现为改进精密计量学应用提供了有价值的工具.

更多相关视频

Picometer-Precision Atomic Position Tracking through Electron Microscopy

Picometer-Precision Atomic Position Tracking through Electron Microscopy

Published on: July 3, 2021

Author Spotlight: Introduction to Active Probe Atomic Force Microscopy with Quattro-Parallel Cantilever Arrays

Author Spotlight: Introduction to Active Probe Atomic Force Microscopy with Quattro-Parallel Cantilever Arrays

Published on: June 13, 2023

相关概念视频

Area Computation by the Alternative Coordinate Method

Area Computation by the Alternative Coordinate Method

The alternative coordinate method, also known as the Shoelace Formula, is a technique for determining the area of a traverse using Cartesian coordinates. This method relies on the sequential arrangement of x and y coordinates for each point of the shape, ensuring accuracy and ease of application.In this approach, each corner's x and y coordinates are listed as fractions, with the x-coordinate as the numerator and the y-coordinate as the denominator. These coordinates are arranged sequentially...

Design Example: Measuring Distance Between Two Points with Obstructions

Design Example: Measuring Distance Between Two Points with Obstructions

When measuring distances in areas with physical obstructions, such as a lake in a field, surveyors must employ techniques to calculate accurate lengths without direct line measurements. One effective method is the offset technique, which allows for precise distance estimation over inaccessible stretches.In this scenario, a surveyor must measure a side of an area that crosses a lake. Since the measuring tape cannot span the lake, the surveyor begins by establishing a baseline that aligns with...