選擇器電位計 的英文怎麼說
中文拼音 [xuǎnzháiqìdiànwèijì]
選擇器電位計
英文
selector potentiometer- 選 : Ⅰ動詞1. (挑選) select; choose; pick 2. (選舉) elect Ⅱ名詞(挑選出來編在一起的作品) selections; anthology
- 擇 : 擇動詞(挑選) select; pick; choose
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 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...
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 選擇 : select; choose; opt; election; choice; culling; alternative
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Electric - controller is nubbin in developping. we are based on designing to structure of circuit, we are dead against in time and stabilization for controlling and communications, precision and rapidity for transformation etc. we have completed to select on microprocessor, clock - frequency and a / d transfer. it carry out transformation for valve position signal, and select on solid - switch ac
在控制器的電路結構設計的基礎上,考慮到通訊、控制的及時、穩定、轉換的精度和速度等幾方面,主要完成對微處理器的選擇、時鐘頻率和a d轉換器的選用,閥位變送功能的實現,固態交流開關和顯示器的選擇等。It designed signal amplifying circuit, frequency tricking circuit, data sampling and keeping circuit. the choice of 12 bits high accuracy a / d integrated data sampling card made program simply, high flexible and expandable. and to each error which is likely to occur in high voltage capacity type equipment during the monitoring, analysis and judgement are given
在硬體電路實現上,注意選擇信號傳感器;合理設計了信號放大電路和濾波電路;設計了頻率跟蹤電路,數據采樣/保持電路;結合軟體控制選用了12位高精度的a / d轉換器,使軟體編程簡化且具有較高的靈和性和可擴展性。First, based on the analysis of the design method of two - valued shift counter, we use the multivaled circuit ' s property of high information density to put forward the design method of three - valued shift counter. by using this method module - n three - valued shift counter can be designed. and by selecting the best design method, the simplest circuit of control logic can be made
首先,在分析二值的移位計數器的設計方法的基礎上,利用多值電路的高信息密度,提出了三值移位計數器的設計,運用該方法可以設計任意狀態的三值移位計數器,並且通過選擇最佳設計方案使控制邏輯電路最簡。The paper first reviews the research background and actuality of the filter " s design in china and other country, introduces the meaning of the project and the work of the paper, narrates the theory of the switched - capacitor network and the basic switch building blocks, analyses the related factors of the design of sc filter. such as the selection of the architecture, the trade off of the opamp " s gain, bandwidth, phase margin, slew rate and setting time, the effect of the switch " s on resistor, how to reduce the charge injection and the clock feed - through, the power consumption and the selection of the sampling frequency and so on
本文首先回顧了濾波器設計的國內外研究背景和現狀,介紹了本課題提出的意義以及本文的主要工作,論述了開關電容網路原理和基本開關模塊,分析了開關電容濾波器設計的相關因素:電路結構的選擇,對運算放大器設計中高增益、寬帶寬、相位裕度、轉換斜率和建立時間等的折中考慮,開關的打開電阻對電路的影響,開關電容電路中怎樣減少電荷注入和時鐘饋通,以及整個電路的功耗問題和采樣頻率的選擇等。According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system
針對研製任務的要求,課題期間研製了下位機系統硬體和軟體,開發了上位機監控軟體,其中所作的具體工作包括:測量原理的研究和在系統中的實現,在本次設計中用三種方法來進行水位測量,分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法;主控晶元的選擇,我們選用了高集成度的混合信號系統級晶元c8051f021 ;實現了信號的採集和處理,包括信號的轉換和在單片機內的運算;高集成度16位模數轉換晶元ad7705在系統中的應用,我們完成了它與單片機的介面設計及程序編制任務;精確時鐘晶元ds1302在系統中的應用,在此,我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬,該晶元的應用給整臺儀器提供了時間基準,方便了儀器的使用;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測,該部分的實現是通過採用ad421晶元來完成的,本設計中完成了ad421與單片機的spi介面任務,協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系,並完成了程序設計;與上位機的通信介面設計,該部分通過兩種方法實現: rs232通信方式和rs485通信方式;系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。2 the design and manufacture of focs instrument system the foundation of commercial fiber optical chemical technique is to manufacture a fiber optical chemical instrument system. an instrument is assembled with xenon light as the source, bifurcate quartz fiber as the carrier for light, high precision photomultiplier tube for the conversion of light signal to electron signal and the 16 - digit multi - channels analog - to - digital card for collection of data
生產人作者選擇氖燈為光源、設計聚焦系統,以石英分支光纖作為傳輸光信號介質,高精度光電倍增管檢測, 16位多道數據採集卡為a d轉換,採用visualbasic編寫windows平臺操作軟體,菜單提示,窗口人機對話,研製成功單通道光纖化學過程傳感儀器系統。Electronic screen corresponding piecemeal in electronic screen and a certain area of the window of display of computer, show the real - time synchronism of display content, screen shine upon position can adjust, and can have been convenient to choose and show the size of the picture at will
1可實現1024x768顯示模式:以計算機為處理控制中心,電子屏幕與電腦顯示器vga窗口某一區域逐點對應,顯示內容實時同步,屏幕映射位置可調,並可方便隨意地選擇顯示畫面的大小。Firstly, the relationship of atomic force and distance is studied. the scan type of samples and the working mode of probe is confirmed, then pzt is chosen as actuator for micro scan displacement, and optical deflexion method is used to detect the deflexion value of cantilever. after all these work, the system light path design is finished, and its mathematical model is completed
首先,分析了原子力探針系統的中原子力?距離的關系,並確定探針系統的探針的工作模式和樣品的掃描模式,從而選擇壓電陶瓷作為掃描微位移驅動器;採用光學偏轉法檢測微懸臂偏轉量,並選用了psd作為傳感元件,並在此基礎上進行了系統光路設計及其數學模型的建立。And after the structure simulated by the aid of the finite element method ( fem ) software ansys, the optimal parameters are approached. a mems micro force sensor suitable for the microgripper is achieved which is based on piezoresistance effect of semiconductor. the operating principle of micro force sensor is presented, and modeling, analyzing the structure, achieving the best parameters
為滿足微夾持器的需要,設計了半導體壓阻式mems微力傳感器,分析了微力傳感器的工作原理,對其結構形式進行了建模、分析,求取了結構的最優參數;給出了壓阻式傳感器的基本設計原則,選擇了合理的材料,以力學分析為根據,確定了力敏電阻條的位置,並對電阻條進行了設計,介紹了微機械製作技術,給出了傳感器晶元制備流程。This project is sponsored by the limited liability electric implement company of heifei sanyang rongshlda. it will be used to adapt to the product line to product the newtppe microwave oven, to pour glues for the around of the micro wave oven ’ s lumen and panel the paper introduce the hardware composing and the designing of this system, introduce this system ’ s work principle of the route about gas and glues, the principle of the measuring, the measuring principle of the glues ’ location and the temperature analyse the selection foundation of the step by step electric machine key words : the automatic mixing pouring machine of the two different glues, step by step electric machine, singlechip, miero - wave oven
本課題來源於合肥榮事達三洋電器有限責任公司,是為了適應即將投入生產的新型微波爐的生產線,實現對微波爐的內腔和面板四周自動灌膠的產品研發項目。本論文介紹了全自動二維灌膠系統的硬體組成及軟體設計,介紹了本系統的氣路、液路工作原理、計量原理、液位及溫度檢測原理,分析了步進電機選擇的依據,步進電機運動的控制及加減速運動規律。The three - tank control system is consisted by two kinds of controlment that are the liquid - level control and temperature control. different control had different character, so we use different control strategy. in order to gain good quality of water level, we use fuzzy control strategy. in order to control the temperature of tank t2 quickly and smoothly, we use fuzzy pid strategy. at last we draw a interface of man - to - machine using rsview32, from which we can monitor the process in industry
溫度控制採用模糊控制演算法,液位控制採用模糊pid控制演算法。最後用rsview32編制了一個人機界面,可以從此界面中監視生產過程的運行情況。三水箱計算機變頻控制系統採用變頻器進行電機調速后,耗費電能大大降低,同時由於控制策略選擇適當,系統運行比較平穩。In the design of the circuit of hardware, the paper choose the suitable signal sensor, rationally designing the signal enlarging circuit by programme - controlled and signal filter circuit designing the sampling at datas / retaining circuit and hardware communications based on rs - 485 network. combining with software - controlled it select the integrated gathering - card of a / d datas of the high accuracy for the 12th precision, which simplify software programmings and have higher flexibility and can extensible
在硬體電路的實現上,選擇了合適的信號傳感器:合理設計了信號程式控制放大電路和濾波電路;數據采樣保持電路和現場基於rs - 485網路結構的硬體通信系統;結合軟體控制選用了12位高精度的a d集成數據採集卡,使軟體編程簡化且具有較高的靈活性和可擴展性。Chapter 2 in the design of sensors and switches based on photoinduced electron transfer, fluorescence was often used with high sensitivity and convenience. it is noteworthy that room temperature phosphorescence ( rtf ) has many advantages over fluorescence, e. g., large stokes shift, higher signal to noise ratio, good selectivity and easily measurable luminescence lifetimes etc., and it can be found as a helpful complementary method of fluorescence sensing
第二章在光誘導電子轉移傳感器和分子開關的設計中,熒光由於其靈敏度高、使用方便,受到人們的廣泛關注,相對于熒光室溫磷光選擇性好、信噪比高、較大的stokes位移、壽命易測定等優點,在許多方面與熒光互補。A fuzzy rule tab is formed. in hardware design, choicing 16 bit single - chip computer. designing singal input circuit. output driving circuit, power source circuit and forming an abs fuzzy control circuit. at last, linking the wheel modelling by virtue of 5196 simulation, experiment sesults ar e given
在硬體設計方面,根據系統選擇了16位單片機,設計出信號輸入迴路、輸出驅動迴路、電源部分,形成控制器電路圖並製成防抱死制動控制器,最後用串口通訊與雙輪車輛模型連接。分享友人