羅文成， 林建輝
（西南交通大學(xué)牽引動(dòng)力國(guó)家重點(diǎn)實(shí)驗(yàn)室，四川 成都 610031）
摘 要：針對(duì)橋梁撓度檢測(cè)的特點(diǎn)，提出了一種基于嵌入式儀器技術(shù)的可以采用兩種傳感器件采集不同信號(hào)實(shí)現(xiàn)復(fù)用橋梁撓度檢測(cè)系統(tǒng)的實(shí)現(xiàn)方案。介紹了系統(tǒng)傳感器的選型原則和所選擇信號(hào)采集器件的特性，以高速ARM9芯片為核心實(shí)現(xiàn)了硬件電路設(shè)計(jì)。并具體介紹了最小平方卷積反演對(duì)撓度信號(hào)進(jìn)行恢復(fù)的數(shù)據(jù)算法原理和其快速嵌入式程序軟件的實(shí)現(xiàn)。
關(guān)鍵詞：撓度檢測(cè)；嵌入式系統(tǒng)；信號(hào)恢復(fù)；最小平方卷積反演；慣性基準(zhǔn)
中圖分類號(hào)：TP216 文獻(xiàn)標(biāo)識(shí)碼：A 文章編號(hào)：1672-4984（2007）01-0043-03
A kind of measurement multi-system for deflection of bridge
LUO Wen-cheng， LIN Jian-hui
(National Traction Power Laboratory，Southwest Jiaotong University，Chengdu 610031，China)
Abstract:This paper gave a kind of embedded test multi-system design which can measure the dynamic and static deflection of bridge conveniently.The least square deconvolution algorithm principle and its application in this system software were both introduced.The embedded hardware design which base on the high speed ARM core device and the selection of key system components were also presented.
Key words:Deflection measurement；Embedded system；Signal recovery；Least square deconvolution algorithm；Inertial base
