Spatio-temporal Consistency Technology for Inertial Measurement of Guide Rail Straightness

doi:10.3969/j.issn.1004-132X.2023.08.005

China Mechanical Engineering ›› 2023, Vol. 34 ›› Issue (08): 916-922.DOI: 10.3969/j.issn.1004-132X.2023.08.005

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Spatio-temporal Consistency Technology for Inertial Measurement of Guide Rail Straightness

WANG Haitong1，2;REN Zixiao1，3;LIU Zhihua3;CAI Chenguang3;CAI Yonglin1，2

1.School of Mechanical，Electronic and Control Engineering，Beijing Jiaotong University，Beijing，100044
2.Key Laboratory of Vehicle Advanced Manufacturing，Measuring and Control Technology，Ministry of Education，Beijing，100044
3.National Institute of Metrology，Beijing，100029

Online:2023-04-25 Published:2023-05-16

导轨直线度惯性测量的时空一致技术

王海同1，2;任子啸1，3;刘志华3;蔡晨光3;蔡永林1，2

1.北京交通大学机械与电子控制工程学院，北京，100044
2.载运工具先进制造与测控技术教育部重点实验室，北京，100044
3.中国计量科学研究院，北京，100029

通讯作者: 刘志华（通信作者），男，1987年生，副研究员。研究方向为机器人测试方法。E-mail：liuzhihua@nim.ac.cn。
作者简介:王海同，男，1988年生，副教授。研究方向为数字化制造与智能制造。E-mail：htwang@bjtu.edu.cn。
基金资助:
国家自然科学基金（52005030，52075512）；北京交通大学基本科研业务费（2022JBMC030）；中国产学研合作项目(HFZL2020CXY014-1)

Abstract

Abstract: In order to solve the problems that CNC machine tools needed to measure the precision for a long time and the measurement signals of a single sensor could not correspond to the space of the guide rail， a spatio-temporal consistency technology for straightness inertial measurement of the guide rail was proposed. A guideway straightness error model in the form of sinusoidal superposition was established. Based on the spatial frequency of guideway straightness errors， a multi-speed measurement scheme was adopted to eliminate the guideway inclination error and intercept the errors signals of corresponding frequencies respectively. The limit sensor was used as the synchronous trigger of the acquisition card to measure the spatio-temporal consistency of the straightness errors of the guide rail. Compared with the laser interferometer and phase delay measurement data， the accuracy and effectiveness of the proposed measurement method was verified.

Key words: guide rail, straightness, inertial measurement, acceleration integral, spatio-temporal consistency

摘要： 针对数控机床需长期检测精度及单一传感器测量信号无法与导轨空间对应的问题，提出了一种导轨直线度惯性测量的时空一致技术。建立了正弦叠加形式的导轨直线度误差模型，基于导轨直线度误差空间频率，采用一种多速测量方案消除了导轨倾角误差并截取了对应频率的误差信号。将限位传感器作为采集卡的同步触发器，实现了导轨直线度误差时空一致性测量。与激光干涉仪和相位延迟测量数据的对比验证了所提测量方法的准确性与有效性。

关键词: 导轨, 直线度, 惯性测量, 加速度积分, 时空一致性

CLC Number:

TG659

WANG Haitong, REN Zixiao, LIU Zhihua, CAI Chenguang, CAI Yonglin, . Spatio-temporal Consistency Technology for Inertial Measurement of Guide Rail Straightness[J]. China Mechanical Engineering, 2023, 34(08): 916-922.

王海同, 任子啸, 刘志华, 蔡晨光, 蔡永林, . 导轨直线度惯性测量的时空一致技术[J]. 中国机械工程, 2023, 34(08): 916-922.

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Spatio-temporal Consistency Technology for Inertial Measurement of Guide Rail Straightness

导轨直线度惯性测量的时空一致技术

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