基于片光的貨車(chē)側面防護欄安裝尺寸測量

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基于片光的貨車(chē)側面防護欄安裝尺寸測量
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作者單位:(中國計量學(xué)院 計量測試工程學(xué)院, 杭州 310018)
作者簡(jiǎn)介:孔 明(1978-),男,江蘇吳江人,教授,碩士研究生導師,主要從事機器視覺(jué)、精密儀器、光電檢測方向的研究。 趙 軍(1960-),男,黑龍江哈爾濱人,教授級高工,碩士研究生導師,主要從事精密儀器、光電檢測方向的研究。[FQ)]
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基金項目:國家質(zhì)量監督檢驗檢疫總局公益性行業(yè)科研專(zhuān)項 (201310116)。

Measurement of Truck Side Guards Based on Sheet-of-Light

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(College of Metrology & Measurement Engineering, China Jiliang University, HangZhou 310018,China)

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摘要:

提出了一種基于片光的貨車(chē)側面防護裝置安裝尺寸的測量方法；將線(xiàn)激光光源和攝像機固定在線(xiàn)性傳動(dòng)機構上,通過(guò)裝置的線(xiàn)性移動(dòng),使激光光束在貨車(chē)側表面上產(chǎn)生移動(dòng),并用相機采集運動(dòng)過(guò)程中的圖像,利用激光三角法原理,對采集到的時(shí)序圖像進(jìn)行處理,實(shí)現對貨車(chē)側表面輪廓的三維重建,從而實(shí)現對貨車(chē)側面防護裝置安裝尺寸的測量；該方法避免了在普通視覺(jué)二維測量過(guò)程中,由于防護欄與前后輪胎不共面而造成的測量誤差；通過(guò)對搭建的實(shí)驗平臺進(jìn)行的研究表明,測量誤差小于1 mm,遠小于原二維測量方案測量精度10 mm,完全滿(mǎn)足系統設計的要求。

Abstract:

JP+1]A method of measuring the installation size of the truck side guards based on the sheet-of-light is presented. The laser line projector and the camera are fixed on the linear transmission mechanism. Through the linear movement of the device, the laser line moves on the side of the trucks. The images in motion collected by camera are processed to reconstruct the surface of the truck side guards, by using the laser triangulation principle. As a result, the measurement of the installation size of truck side guard is realized. This method avoids the error of measurement caused by the side guards not coplanar with the front and rear tires in the ordinary visual two-dimensional measurement process. The research on setting up the experimental platform shows that the measurement error is less than 1 mm, is far less than 10 mm which is the measurement precision of the original two-dimensional solution. It completely satisfies the requirements of system design.

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孔明,王英軍,單良,趙軍,王道檔.基于片光的貨車(chē)側面防護欄安裝尺寸測量計算機測量與控制[J].,2016,24(1):28-30, 34.

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收稿日期:2015-07-13
最后修改日期:2015-08-25
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在線(xiàn)發(fā)布日期: 2016-07-26
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