輸片機構 的英文怎麼說
中文拼音 [shūpiānjīgòu]
輸片機構
英文
film drive mechanisms-
In oilfield, feeder line of 6kv often has many branches. the pole high voltage automotive capacitor compensation system controlled by single chip computer is designed for this situation. in the system, we separate the measure position and compensation position and realize the supervision of reactive load in local area
文章以油田6kv輸配電線路為例，針對多分支樹狀結構線路的特點，研製出由單片機系統控制的戶外術上型高壓電容器自動補償系統。This paper introduces the development process of wastewater disposal, it ' s auto control system, the level of nowadays and several new techniques of china and foreign countries. the immanent structure, control rules, main features and design methods of auto control systems in wastewater disposal process are studied in this paper. aiming at four typical parameters, such as temperature, dissolved oxygen, ph and the planes of water, the distributed control system is designed, composed by pc called epigyny computer and scm 8098 called hypogyny computer, and some sensors, shift deliver utensils and related meet orifices of parameters gathering and figures communication
本文介紹了國內外污水處理及其自動控制系統的發展過程、當今水平和提高自動化程度的若干新技術；研究了污水處理自動控制系統的內在結構、控制規律、主要特點和設計方法；選取污水處理中的典型參數溫度、溶解氧、 ph值和液位等為控制對象，設計了以個人計算機為上位機、以8098單片機為下位機，並輔之以傳感器、變送器及相關介面單元所構成的二級集散控制系統（ dcs ） ；介紹了幾個主要程序模塊的設計思路、工作過程，這些程序模塊是：用高級語言visualbasic6 . 0開發的上位機人機交互界面程序、數據處理和圖表輸出程序，用執行效率高的匯編語言開發的下位機數據採集與系統監控程序、上位機與下位機之間的數據通信程序，匯編語言與vb之間的轉接程序，等等。This paper mainly focuses on the noise limiting by means of the direct sequence spread spectrum ( dsss ) and the analysis of the transmission performance of the plc and some digital modulation technology. the contents of the paper is as follows : 1 ) the technical feasibility is proved after simulating noise limiting principle of dsss by means of systemview, the simulation software ; 2 ) a kind of band pass filter ( bpf ) is realized according to the requirement of filter and the principle of butterworth approximation, which satisfies the index of performance of dsss. 3 ) the low voltage plc system includes the sc1128, the specific modulation / demodulation ic, the bpf filter and other circuit components, furthermore, the control function of system is realized by means of the personal computer and the microcontroller
本課題在對低壓電力線的傳輸特性和數字調制技術進行分析的基礎上，將通信理論中的直接序列擴頻技術（ dsss ）用於解決低壓電力線通信的干擾問題，主要研究內容如下： （ 1 ）用通信模擬軟體systemview對dsss技術的通信和抗干擾原理進行模擬分析，分別對時域和頻域下採用dsss技術前後接收信號的頻譜進行分析，驗證dsss技術在本系統中的可行性； （ 2 ）由dsss技術對濾波系統的要求，根據濾波理論分析了巴特沃思型濾波器的逼近原理並設計了合適的濾波電路； （ 3 ）用調制解調晶元sc1128和自行設計的濾波器加之輔助外圍電路，構造出低壓電力線載波通信系統，並採用atmel公司的單片機設計了接收和發射電路的微控制器； （ 4 ）分別對採取抗干擾措施前後輸入和輸出信號進行對比實驗，並對結果進行分析，驗證了dsss技術對干擾信號的抑制作用。It is a vane pump with high head, small flow and low specific speed, which is smaller, flight and simpler in structure than positive displacement pump mulfistage centrifugal pump, and may handle liquid of high gas or steam content
該泵是一種高揚程，低比速的葉片泵，比容積式泵和多級離心泵體積小、重量輕、機構簡單等優點，並可以輸送氣體或蒸氣含量較輕的液體。Picture including any subjects or components depicted thereon submitted to the client cannot be copied, reproduced, posted, published, uploaded, transmitted or distributed or resold or offered free of charge or with monies to any person or organisation in digital, slide, print or any other format by any means electronic, mechanical, micro - copying, recording, storage retrieval system or otherwise or media unless otherwise agreed in writing on the suppliers form
客戶獲提供的圖片包括其描繪的任何題材或組成部份，不得採用任何方法電子機械縮微復印錄制存取系統或其他方法或媒體，以數碼幻燈片印本或任何其他格式復印復制張貼刊印上載傳輸分發轉售或提供不論免費或收費提供予任何人士或組織，除非供應機構的表格上另行書面同意者，則不在此限。The dissertation introduces the structure and theory of feeding device ; compressing chamber and packing mechanism. the author makes economic analysis and benefit perspective of the packer on the expense of transportation and storage
本文介紹了木片壓縮打包機的進料裝置、壓縮室結構和打包機構等各部分的結構及原理；並從壓縮費用和運輸費用方面對木片壓縮打包機做了經濟分析及效益展望。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。In the dissertation, a novel hybrid excitation constant voltage synchronous generator is adopted to improve the system performance, which takes the advantages of both electrical excitation and permanent magnet machines. a parted configuration is presented in order to design the structure of the generator. the adaptive digital adjustment is settled in principle using the single chip microcomputer 80c31 as the control core of the voltage regulator and adopting the proportion - integral - differential control as the control arithmetic, then a sample is made
論文對同步發電機的工作原理、性能特點、電機本體以及電壓調節器的硬體和軟體設計進行了研究，針對稀土永磁同步發電機變載、變轉速情況下輸出電壓不可調的不足之處，採用一種新穎的電機型式? ?自適應復合勵磁恆壓同步發電機，綜合了永磁發電機和電勵磁發電機的優點，提出一種磁路分開的結構進行電機本體的設計，並選用單片機80c31作為電壓調節器的控制核心，比例?積分?微分控制（ pid ）作為其控制演算法，從原理上較好地解決了其電壓的自動數字調節，並試制了一臺樣機。Space camera consists of camera lens, shut, camera body, film transport system, control system and so on. film transport system as one of the most important components, requests large capacity to carry film, short circle working period, and high dependability. so film transport system ' s well or poor quality directly affect space camera ' s function
航空航天相機一般由鏡頭、機身、快門、輸片機、相機控制系統等部分組成，其中作為成像的重要組成部分之一的輸片機構，它要求載片量大、工作循環時間短，高可靠性的工作，因此輸片機構的優劣直接影響到整個相機的工作性能及功用，合理設計開發高品質的輸片機構具有非常重要的意義。The power supply module is made of sg3525a, which supply current for pipeline cp. the data collection module is made up of single chip, which collect the nature eroding voltage, protection voltage and current on the spot and transport these data to pc by com. pc constitutes master control module, which inspects work state of the whole cp system, control the system start and exit, display data out of the single chip
本系統採用sg3525a晶元構成開關電源模塊，提供管線陰極保護電流；採用單片機系統做為數據採集模塊，採集管線現場自然腐蝕電位、保護電位、保護電流等數據，並把採集的數據通過串列口送往pc機； pc機為主控模塊監控整個電源系統的工作狀態，控制整個模塊的投入和退出，完成人機對話；利用顯示器顯示系統輸出電壓、電流。Scm as control core applied in the variable axial piston pump is introduced briefly in the paper, including structure and work principle
摘要本文介紹了基於單片機控制的數字變量軸向柱塞泵的結構組成、工作原理，並理論推導了數字泵的輸出流量與輸入脈沖信號呈線性關系。This new system followed diesel engine from manufactory to ship takes both performance moniting in real time and technical state analysis of diesel engine. the usage of the collecting - distributing data collecting structure, the communication net conbined rs - 232 with rs - 422 and object - oriented programme language makes this new system easy to develop and reliable to use both hardware and software
本系統的數據採集採用集散型結構，上位機採用pc機，下位機採用6個單片機數據採集模塊既柴油機燃油噴射和燃燒過程數據採集模塊、柴油機排氣溫度數據採集模塊、柴油機滑油壓力和溫度數據採集模塊、柴油機冷卻水系統數據採集模塊、柴油機輔助設備數據採集模塊、數據輸出模塊。Because the gas station has many fuel machines and the computer exchanges frequently data with fuel machines, we must design a communication controller made up of mcs - 51 microprocessor to manage the communication of the network, and to complete distributing instructions of computer and gathering data of fuel machines
因為加油機數量較多，各加油機與主機之間的數據傳輸比較頻繁，我們在主機與加油機之間設計了一個由mcs - 51單片機構成的通訊控制器。在該系統中，連接pc機與加油機的通訊控制器擔負著控制命令傳輸與數據採集的任務。Firstly, the current testing localization in the detection of electric bow is analyzed and the new system ' s whole construction developed in this thesis is introduced ; in the 2rd chapter, the embedded 110v dc power supply is analyzed and constructed, and with experiments, some dissonant results such as the fluctuation of output pwm ( pulse width modulation ) pulses, the power noise added to output voltage, and the drop of output voltage have been analyzed and the problems have been broken down one by one ; in chapter 3, stepping motor ' s drive has been systematically dissertated, and combing stepping motor ' s subdivided drive technology, the author develops an intelligent mini - step driving circuit using a main - sub microprocessor structure, which is validated in the hybrid stepper based system ; in the 4th chapter, liquid crystal driving and displaying technology is specified in detail, with one sort of lcd modules ( tlm12864h ), the author develops an feasible circuit for the new testing system, designs a menu mode based program struc ture and brings here some programming codes using franklin c51 programming language ; in chapter 5, the above built system is used in the electric bow ' s practical detection, and the differentiating rate of this system is analyzed
論文首先分析了目前機車受電弓檢修方式存在的局限並概述了本論文研製的受電弓測試系統的體系架構；第二章對系統內置110v直流控制電源進行了分析和設計，結合試驗對輸出pwm振蕩、輸出電源噪聲大、輸出電壓下跌等現象進行了分析並提出解決措施；第三章論述了步進電機的驅動，結合步進電機微步驅動技術研製了基於上下位單片機組的混合式步進電機智能驅動電路，並在試驗中得以驗證；第四章詳述了液晶驅動及顯示技術，利用一款液晶顯示模塊tlm12864h研製出本系統用液晶顯示電路，設計了菜單式的程序結構並以franklinc51編程方式給出部分子程序代碼；第五章則將以上構建的整個系統應用在機車受電弓的實測中，並對測試解析度進行了分析。It can interface with single chip computer expediently and transmit data by rule and line. oscillator in the infrared transmitting circuit that consisted of ne555, and can used to modulates the output from serial port of single chip computer. the integrated infrared receiver can demodulates, filter and transmit the signal to single chip computer
紅外線西北口二j匕大學悶成d匕學位咭侖文發送電路的振蕩器由ne555構成，它可對串列口輸出信號進行調制，一體化的紅外接收頭對紅外信號進行解調、濾波和整形，再送單片機處理。This paper have some reference value in designing and analyzing space camera ' s film transport system
本文對航空航天相機輸片機的結構設計及分析有一定的應用參考價值。It is so necessary to design high - level film transport system. the objective of this thesis is to design and analyze fixed quantity intermittent film - transport system
本文的目的是探討一種適用於航空航天相機的定量間歇輸片機構的設計及分析。The research object here is a high - level film transport system of space camera. main contents are following : design and analyze fixed quantity intermittent film - transport system with tension - control, invariant tension - control system in the point of view of structure ; conduct dynamic property of fixed quantity measuring film roller and deduce the film ' s dynamic property and film tension
本文以某型高級航天相機的輸片系統為研究對象，從結構設計的角度出發探討了帶有張力控制的定量間歇式輸片機構的設計與分析，介紹了定量間歇輸片系統的結構設計及恆定張力控制系統的結構設計。Based on film - tension analyses, the machine of film tension to be measured and controlled during the whole course was designed ; and also expatiate the idea of preventing scratching film in this paper ; finally, the experiment of film - transport machine proved it correctly and this machine satisfied space camera ' s technology standard
從膠片傳輸路線中的定量輸片機構的供片量片輥和收片量片輥的運動特性出發，分析膠片的運動特性，研究了輸片力的變化規律，以此為依據進行了張力感測與張力控制機構的運動分析。Film transmission machine consists of film supply system ， film receipt system and film measuring system. both film supply system and film receipt system are tension servo systems. film measuring system is system of controlling film length ， this three systems are independent and relative one another. film measuring operation of film measuring system disturbs both film supply system and film receipt system as an extra - interference and it is very heavy
等量牽引式輸片機構由三部分組成? ?供片系統、收片系統和量片系統，供片、收片系統均為一個張力伺服系統，量片系統是一個畫幅控制系統。三個系統各自獨立又彼此聯系，量片系統的量片操作對供片、收片張力伺服系統是外來的干擾，且擾動力很大。分享友人