pointer gauge 中文意思是什麼
pointer gauge
解釋
指針表-
In these years, image measuring has been used in every walk of life gradually. this paper discusses the characteristic, the virtue and the application of digital image measuring. in this paper. after analyzing the practical situation and theory, it has confirmed the project that identify automatically the pointer and the reticle of the pressure gauge with technique of optic photographic system, image process and automatic identification
近年來，圖像測量逐漸應用到各行各業。本文討論了數字圖像測量的特點、優點及應用范圍，結合實際情況和理論分析，確定了利用光學攝像系統和圖像處理、識別技術，自動識別壓力表的指針和刻線的方案，解決了壓力表示值的自動檢定問題，研製了一套集計算機、圖像處理和識別、自動控制和光學等技術於一體的壓力表示值的自動檢定系統。 -
The computer acquires the image of dial gauge by high precision ccd video, after that the computer will process the dial gauge image by some image - processing algorithms such as image segmentations, edge searching, area segmentations and locating the pointer by the " circle ". at last the computer will recognise the dial pointer position and work out the precision of dial gauge in accordance with nation criterion of dial gauge. this study presents several optimum algorithms to realize quick recognition of the pointer and calibration lines of detected dial and improve the accuracy and real time quality of detecting
本系統由計算機控制步進電動機的運動，進而驅動指示表表針的運動，通過高精度ccd攝像機實時獲取表盤圖像數據，同時進行表盤圖像的相關處理，包括閾值分割、邊緣檢測、圖像銳化以及區域分割和定心圓檢測等，最終快速識別出表盤指針所處位置，最後根據國家指示表類檢定規程所制定的演算法檢定出指示表的各種精度，本系統所採用的圖像處理演算法運算量少，速度快，從而大大提高了系統的實時性。 -
As one of the measurement instruments, the gauge with pointer is generally used in the manufacturing process at present
指針式儀表是一種在工業中廣泛應用的儀表，其種類繁多，例如：百分表、千分表、汽車航空儀表等。 -
Electric alarm contacts open and close circuits in response to the position of the pressure gauge pointer
電警報接點根據壓力表指針的位置開啟和關閉電路。 -
The contacts open or close electrical circuits in relation to the position of the pointer on the pressure gauge
接點根據壓力表上的指示位置打開或關閉電路。帶有電警報接點的接點壓力表用於控制和調節工藝步驟。 -
But, usually, detecting of the gauge with pointer is by manual work, after long time for vision work, eyes will get tired, and this leads to low detecting precision and long detecting period
現在，對很多沒有計算機操作界面的指針式儀表的檢定通常都是由人工來讀數和調節，然而，人的眼睛在大量的視覺工作之後會出現視覺疲勞，造成了檢定精度低，檢定周期長。 -
An auto - detecting method of the gauge with pointer that is based on digital image processing technique, high precision grating technique and step motor control technique is presented. there are advantages of high precision, high efficiency and auto - detecting for apply digital image processing technique to detect precision of the gauge with pointer ; moreover, it ’ s helpful to improve system ’ s resolution when high precision grating technique is applied to measure micro displacement ; also it makes system more automatic to control step motor in computer via step motor control card
本文研究的指針式儀表的自動檢定方法是基於數字圖像處理技術、精密光柵測量技術以及步進電機控制技術的，將數字圖像處理技術用於指針式儀表的檢定，具有精度高、效率高、易於實現自動測量等優點;另外，將精密光柵測量技術用來測微位移，有利於提高系統的解析度;還有，通過步進電機控制卡來實現在計算機上對步進電機的控制，提高了系統的自動化程度。
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