高精度定位儀 的英文怎麼說
中文拼音 [gāojīngdùdìngwèiyí]
高精度定位儀
英文
hi fix- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 精 : Ⅰ形容詞1 (經過提煉或挑選的) refined; picked; choice 2 (完美;最好) perfect; excellent 3 (細)...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 定 : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
- 位 : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
- 儀 : 名詞1 (人的外表) appearance; bearing 2 (禮節; 儀式) ceremony; rite 3 (禮物)present; gift 4 ...
- 高精度 : high-accuracy; high-precision高精度測量 high-accuracy survey; 高精度機床 high precision machine tool
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In this system, the movement of the step - electromotor is controlled by computer, and then the dial pointer is drove by the step - electromotor. at the same time, these images of the analog instrument are took by high precision ccd video, and then these images will be processed by the computer, using some image - processing algorithms such as image segmentations, threshold identification, image binarization, areas labeling, dial center - point identification, useful areas identification & abstracting, and areas thinning, etc. followed this, the dial pointer of the “ circle ” is able to be located. at last, the dial pointer position will be recognized by the computer
本系統由計算機控制步進電動機的運動,進而驅動指針式儀表表針的運動,並且通過高精度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,包括圖像分割,閾值確定,圖像二值化,區域標記演算法,圓心擬合,有效區域識別提取,區域細化等,最終快速識別出表盤指針所處位置;最後,根據國家指針式儀表類檢定規程所制定的演算法計算出該儀表的相關誤差,檢定指針式儀表的各種精度,通過這些數據判斷該儀表是否合格,列印該儀表的檢定結果報表。Laser, ultrasonic beam and microwave are used in non contacting level measuring systems. laser systems suffer from dirt, ultrasonic sensors are strongly affected by changes of the velocity of sound and usually a pipe is needed to couple the ultrasonic waves into the liquid tank, which is difficult when there is a high pressure or when explosion protection is necessary
壓力式液位測量系統原理簡單、成本低,但測量精度和應用場合有一定的局限性,超聲液位儀精度較高,但設備復雜,一般需要用導管將超聲波傳到被測的液體中,因而安裝維護較麻煩,激光測距系統對環境要求嚴格。Therefore, the three fundamentals required to obtain high precise measurements are : 1 ) frequency stability and frequency difference stability of the double - frequency laser source as well as the stable equivalent length of bore ; 2 ) the measuring beam and the reference beam are placed very co - axially ; 3 ) capability of recording the sub - division of the period of phase change and a reversible counter system
因而干涉儀系統達到高精度的基礎是:頻率及頻差穩定的雙頻激光源、穩定的等效腔長;測量光與參考光合光後有很高同軸度的光路結構;能可靠記錄相位差變化周期數的細分及可逆計數系統三部分。Through experiments analysis, it is found that the integrated lts is the most versatile laser tracker available for dimensioning, tool building, alignment, and reverse engineering applications with the characteristic of high tracking precision and excellent dynamic capability. this paper also provided an effective new method and technique in the application of large workpieces and industry field measurement and orientation by using dual - frequency laser interferometer
實驗結果表西安理工大學碩士學位論文明這套跟蹤測量系統能夠適用於高精度、響應速度快和動態性能要求高的工業現場安裝與測量,具有廣泛的應用前景,同時也為雙頻激光干涉儀在大工件和現場測量、定位的應用提供了一種有效的方法與技術,並為三維空間的跟蹤測量方法的研究奠定基礎。In this dissertation, we studied the tcra1101plus total station position system, which introduced the principle and characters of the instrument ' s closed loop tracking system. also we explained the cause of prism ' s position error and brought forward mathematic model to correct, moreover, the good results has been drawn form the expenriments. the kinetic survey system have been realized, which the sampling rate attain more than 5hz and the position precision can be less than 2mm on condition that targeted - point moving slowly at the velocity below 2cm / s. having finished the survey system to examine whether the fine - tuning stewart platform in good status, we have finished mensurating the position reference of the fine - tuning stewart platform and the offset of the prism
在此基礎上研製了多臺儀器在線控制高頻采樣動態跟蹤測量系統,采樣率大於5hz ,在跟蹤小於2cm / s低速運動目標時,測量精度好於2mm ;完成對饋源二次精調系統的檢測,包括對二次精調平臺位置基準的標定和觀測棱鏡偏心差的測定;設計不同動態測量實驗,對全站儀動態跟蹤的誤差來源和特點進行了分析;從實驗角度,對全站儀的測量時滯及其穩定性進行了測試分析,給出了定量的結果;比較了全站儀和計算機的內部時間系統,發現兩者存在較大差異。2. firstly this paper introduce the whole machine balancing principle and method for dual - rotor systems with little rotating speed difference firstly, then discuss key points such as picking up base signal, picking up " pai " signal, measuring rotor speed, capturing the value of wave crest and through, calculating the phase values of unbalanced weight, processing odd phases and finding each rotor ' s amplitude. on the foundation of above theories, using signal process technique and chip microprocessors technique, we developed a portable intellectual instrument, the first domestic device. which can balance dual - rotor system with little rotating speed difference quickly and accurately
本文從不解拍整機動平衡原理出發,在詳細討論基準信號、拍振信號的提取;轉速的測量;拍峰、拍谷的捕捉:不平衡相位的求法、特殊相位角的處理;內、外轉子幅值的確定等關鍵問題的基礎上,應用信號處理技術和單片機技術研製成功國內第一臺性能穩定、操作簡單、成本低廉且平衡速度快,平衡精度高的便攜式微速差雙轉子現場整機智能動平衡儀。Automatic tester for dial gauges is an intelligent instrument unified mechanism light and electronic. the grating displacement sensor that has high accuracy ( length gauge ) and camcorder is image sensor consummately automatic sampling is adopted. it is controlled and handled data by computer. so it has realized the intelligence and automation of calibrating course. the instrument has features of high precision, efficiency, flexible and convenient in operation, and so on
指示表自動檢定儀是機、光、電一體化的智能化儀器,採用了具有高精度的光柵位移傳感器(長度計)和ccd攝像機作為圖像傳感器完成自動采樣,用計算機進行控制與數據處理,從而實現了檢定過程的自動化和智能化,使儀器具有高精度、高效率、操作靈活、使用方便等特點。On the base of the research, the function and principle of the superficial temperature on - line inspection of the many paralleled rotating kiln is designed, and the software and hardware of the intelligent control of the scanner is researched, and the change rule fuzzy control theory and technique is brought forward and put in practice. in order to improve the inspecting precision and reliability of the system, many ways to dispose the temperature data are researched
在對多平行回轉窯表面溫度紅外在線監測功能及原理的分析、設計的基礎上,著重對紅外掃描智能控制軟硬體進行了研究,提出、實施了紅外掃描儀跟蹤、定位的變規則模糊控制理論與技術;探討了溫度數據的多種預處理方法,提高了系統監測精度、可靠性。Pb8200 series silicon presure transmitters use the sensor elements wih high accuracy, stability and reliability and measure the pressure of the liquid or gas or the level of the liquid, then change into 420ma electric signal
Pb8200系列擴散硅式壓力變送器選用了高精度高穩定性和高可靠性的擴散硅壓力傳感器,外形小巧,主要用於測量液體氣體的壓力及各種液體的液位,並把壓力信號轉換成420ma或15v等電信號,是一種現場遠傳壓力測量儀表。Logging method and pre - processing method of logging data have been ascertained for the logging tool formed by coaxial line phase water cut meter and other function units such as temperature meter and flow meter. data of 10 oil wells obtained by the logging tool has been interpreted using the soft - measuring model, and the result is accordant with data of ground measurement. it indicates that the soft measurement model of coaxial line phase water cut meter has high interpreting precision
確定由同軸線相位法含水率計組成的組合測井儀的現場測井方法以及測井數據資料的預處理方法,並利用軟測量解釋模型對現場所測10口井的資料進行解釋,結果與地面計量符合較好,說明同軸線相位法含水率計的軟測量模型在現場測井解釋中具有較高的解釋精度。This system provides pulse signal and direction signal to step motor driver by computer ’ s controlling step motor control card, and makes motor and guage ’ s pointer rotate. computer gets the micro displacement measured by grating measuring system via rs232 serial port, and acquires guage ’ s image by high precison ccd camera, then processes the guage ’ s image by software, including pre - processing, graying, binarization, thinning and hough transform, so as to recognize the position of guage ’ s pointer, finally calculates all kinds of precision on basis of algorithm established by national detecting rules of gauges
本系統通過計算機控制步進電機控制卡來給出步進電機驅動器需要的脈沖信號和方向信號,進而帶動電機驅動儀表指針轉動,計算機通過串口實時採集光柵測量系統的微位移信號,並且通過高精度ccd攝像機實時獲取表盤圖像數據,同時通過計算機軟體實現表盤圖像處理,包括預處理、灰度化、二值化、細化和hough變換等,最終快速識別出表盤指針的位置,並根據國家表類檢定規程所制定的演算法檢定出指針式儀表的各種精度。It achieves the electrical measurement of no - electricity ( especially displacement ) through the variation of self - inductance of or mutual inductance of coil. inductive micrometer, with a low cost, high - resolution power, long life and high reliability, has been applied to the measurement of micro - displacement for a long time. it is common that the inductive micrometer is chosen as a preferred instrument in high - precision micro - displacement test
電感微位移傳感器是一種建立在電磁感應基礎上,利用線圈的自感或互感系數的改變來實現非電量(主要是位移)測量的低成本、高精度測量儀,因為其分辨力高、使用壽命長、工作性能穩定,應用於微位移測量己經有很長的歷史,進行高精度微位移測量時選用電感位移傳感器已經成為一種共識。The displacement device has two kind of power supply, dc and ac, which can insure the stability and adaptability in field application. mc1404b counter chip responding for accurate signal replacement was set in the internal circuit. the display component adopts the 7135 led display circuit with common cathode
測量儀採用交直流兩種形式供電,這樣既方便現場的使用又可以保證電源供電的穩定性,其內部電路中採用mc1404b計數器晶元,能夠準確的進行復位調零功能,顯示部分採用7135共陰極led的顯示電路,這種晶元精度高、解析度高、能準確檢出極性。Secondly, the implementation of each module of the software is discussed in detail. main content of this part includes the inplementation of the massive image data high - speed transferring from scanner to host by use of a large capacity fifo and a 32bit high - speed pci card, how to control the step motor for precise location of the cis image sensors, the techniques for utilizing the lm9830 to control scanning actions based on the cis ' s characteristics, the real time image data collection, the reconstruction of the image data sampled by the z - shape combined cis sensors, and the parallel and pipeline techniques used in the whole process helping to save time
然後詳細討論了掃描儀底層驅動軟體中各個功能模塊所解決的問題和具體實現方法,具體介紹的內容包括:如何利用大容量fifo和高速32位pci介面卡實現大量圖像數據的高速傳輸功能,如何對步進電機進行控制實現圖像傳感器的精確定位功能,如何針對cis傳感器的具體特性應用lm9830晶元控制cis的掃描動作,如何實時的採集圖像數據,如何對「 z 」型拼接傳感器掃描出的圖像進行重構以及如何應用并行和流水技術對整個掃描過程進行控制以提高掃描速度。Pb8500 series silicon pressure transmitters are high medium temperature industrial pressure transmitters, which use the sensor elements with high accuracy, stability and reliability. the products are the scene remote measuement metres that measure the pressure of he liquid or gas or the level of the liquid in the high temperature, then change into standard electric signal
其測量介質溫度可高達125 。選用高精度高穩定性和高可靠性的擴散硅壓力傳感元件。用於測量液體或氣體的壓力及各種液體的液位,並把壓力或液位轉換成標準電信號的現場遠傳壓力及液位測量儀表。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。According to the structure characteristics and motion rules of the new type nursing robot, the close loop control system of this new type nursing robot is designed and made with the virtual instrument developing software labwindows / cvi, mcu, piezoelectric ultrasonic motor and high precision optical incremental encoder, which can make the robot reset and rotate by the predefined tracks. at the same time, in order to make the nursing robots used more widely where intensity, precision and price are not high, another control system is designed with the step motor, virtual instrument developing software labwindows / cvi, multi - function daq card pci1711, linear power amplifier. in order to use the nursing robots in acupuncture therapy, a simple finger is designed
在對其結構特點和運動規律分析的基礎上,本文以虛擬儀器編程語言labwindows / cvi為軟體開發工具,以單片機為控制核心,以超聲電機為驅動元件,以高精度光電編碼器作為速度和角位移檢測裝置,實現了機械臂的復位以及預定軌跡的閉環控制系統的開發;同時為適應一些強度不大、精度要求不高的應用場合,也為降低成本,簡化控制裝置,推動新型護理機械臂短期內應用推廣的需要,以目前應用較為廣泛、控制技術較為成熟的步進電機為驅動元件,用labwindows / cvi開發環境、 pci1711數據採集卡以及線性功率放大器開發了一套控制系統,實現了手臂的復位、勻速運動以及預定軌跡的控制系統;為推廣護理機器人在針灸理療中應用,設計了簡單的手指機構並利用labwindows / cvi開發環境,以及智能材料驅動器? ?層疊式壓電驅動器,進行了手指的抓取以及對驅動對象的轉動控制。Pb8100 series silicon pressure transmitters are practically industrial pressure transmitters, which use the sensor elements whth high accuracy, stability and reliability. the products are the scene remote measurement metres that measure the pressure of the lipuid or gas or the level of the lipuid, the change into standard electric signal
Pb8100系列擴散硅壓力變送器是一種實用型工業用壓力變送器,選用高精度高穩定性和高可靠性的擴散硅壓力傳感元件用於測量液體或氣體的壓力及各種液體的液位並把壓力或液位轉換成標準電信號的現場遠傳壓力及液位測量儀表。Intelligent given manipulator have all characteristic of on - off control meter with universal division number, when automatic operating, measured value compares with given value, by which determine direction or reversion for manipulator output, double screen numeric tube display, up screen display measured value, low screen display given value
智能閥位外給定pid控制調節儀採用先進的微處理器進行智能控制,適用於需要進行高精度調節控制的系統,能根據被控對象自動演算出最佳調節參數。分享友人