電機的端環 的英文怎麼說
中文拼音 [diànjīdeduānhuán]
電機的端環
英文
resistance ring- 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...
- 機 : machineengine
- 的 : 4次方是 The fourth power of 2 is direction
- 端 : Ⅰ名詞1 (東西的頭) end; extremity 2 (事情的開頭) beginning 3 (門類; 方面) item; point 4 (原...
- 環 : Ⅰ名詞1 (環子) ring; hoop 2 (環節) link 3 (姓氏) a surname Ⅱ動詞(圍繞) surround; encircle;...
- 電機 : (任何產生和應用電能的機器 特指發電機、電動機) any power generating or power driven machine esp ...
- 端環 : end collar
-
According to the system technology require, adopting singlechip realize open loop digital control of hdclsm ; using v / f conversion and complex key - control method realize digital setting of system parameter, such as velocity ; using micro - stepping control insure the motor running more smoothly ; adopting debasing speed control method to eliminate the mechanical impact of distance termination effectively ; at the same time, analyzing main power circuits drive circuit and protect circuit of system, completing hardware design and facture and software programming and debugging ; at last, making a whole test in hybrid rotary step motor. the experiment result indicates that this control system reaches the qualities required and run smoothly also
根據系統技術要求,採用單片機實現了混合式直流直線步進電動機的開環數字控制;利用v f變換和復合鍵控方法實現了系統轉速等參數的數字設定;利用細分控制技術保證了電機運行的平穩性,並進行了波形分析和理論研究;採用單片機軟體降速控制策略解決直線步進電機行程末端的機械沖擊問題;同時對主功率電路、驅動電路和系統保護電路進行了分析,完成了硬體設計、製作和軟體編程、調試,最後在混合式旋轉步進電動機上進行了全面測試。For the 30. 2mm shaft, there are still larger over measure to load. the strength is increased by optimization. for ? 17. 4mm shaft, the strength is increased by enlarge the inner dimension of the spline ; for 30. 2mm shaft, the strength is increased by adjust the structure at the boundary between the key groove and the ring groove, the highest stress of the shaft is at bottom and terminal of the spline after optimization
其中對17 . 4mm泵軸的優化,通過增大花鍵內徑,提高了花鍵齒底的強度,降低了應力集中點附近的應力;對30 . 2mm電機軸的優化,通過在軸承鍵的環槽端增加倒角,有效降低了該位置的應力集中,使軸的最大應力點從軸承鍵與環槽的交界處轉變到花鍵根部與收尾的交界處,提高了電機軸整體結構強度的合理性。The current radar scout system has some problems for processing multiform signals, confronting the complex electromagnetic environment and various radar characteristic signals. the adaptive front - end in receiver can solve these problems, and this dissertation analyzes it
面對日趨復雜的電磁環境以及變化繁多的雷達特徵信號,現有的雷達偵察接收系統對多種信息的處理顯得力不從心,本文從接收機前端考慮,對其中的一種解決方法? ?自適應的接收機前端進行分析、研究。Analyses more than two years field - test data of the underground water - source & water loop heat pump air conditioning system applied to an apartment in beijing based on the computative method of calculating the electricity consumption of public - used air conditioning driven equipment and terminal heat pump units by the authors
摘要根據筆者提出的共用空調動力設備和末端空調水源熱泵機組耗電量的推算方法,對北京某公寓地下水源水環熱泵空調系統兩年多的實測數據進行了分析研究。In the whole system, the digital tv ( dtv ) front - end is an important part in the tv digitalization, and many key digital equipments and technology are introduced in it, like digital satellite receivers 、 mpeg - 2 digital encoders 、 ts multiplexers 、 digital modulators
在整個數字電視網路系統中,數字電視前端是電視數字化的重要環節之一,它包括了許多關鍵性的數字設備和技術,例如數字衛星接收機、 mpeg - 2數字編碼器、傳輸流復用器、數字調制器等。Cu - zn - cr - zr conducting bar alloy and cu - cr - zr end ring alloys used for superpower asynchronous traction motor rotor were prepared by ingot metallurgy. using hardness measurement, tensile test at room and higher temperature, electrical resistance test at room and higher temperature, optical microscopy, xrd, sem, and tem, the mechanical and electric properties and the microstructure of above alloys at different treatment were studied. them were also analysed and explained in theory
採用鑄錠冶金法制備了大功率異步牽引電動機轉子用導條合金和端環合金,通過硬度測試、室溫拉伸、高溫拉伸、電導率測定、金相分析、 xrd 、 sem 、 tem等方法研究了不同加工工藝和熱處理工藝對上述合金力學性能、導電性能及其組織結構的影響和變化規律,並從理論上進行了分析和解釋。Critical circuits in developing this board, such as tht modulation circuit, demodulation circuit, pll and filter, were analyzed in detail. parameters adopted in these circuits were also calculated. based on all that mentioned above, a rf board was implemented and related tests and experiments were successfully done as well
本文主要對cdpd移動終端數據機的硬體開發中的關鍵部分?高頻部分電路進行了研究,論文在cdpdv1 . 1規范的基礎上,提出了射頻部分電路的實現方案,選擇了合適的核心晶元,並對電路中的調制解調電路、鎖相環、濾波器等關鍵模塊進行了較為詳細的分析,對電路中的有關參數進行了計算。In the first part, the dissertation gives a full picture of foshan ' s background, ipas ' s technologic background, the conclusions of foshan branch ' s marketing investigation, the development of ipas network in foshan, the changes of competitors " strategies, and the development of xiaolingtong in the whole world
該部分介紹了佛山電信分公司所處的社會和經濟環境、小靈通的技術發展情況、設備供應商及手機終端供應商的情況、針對小靈通的市場調查結論、佛山電信ipas系統的建設情況、佛山移動通信市場,以及全球小靈通發展情況等。Due to its characteristic of plug & play ( pnp ), the bulk data transfer module has great advantage and potential to be applied to data transferring between mobile devices, such as notebooks, which do n ' t allow users to plug their own pci devices directly in
Usb數據傳輸介面的使用極大增強了x射線探測器標定分析系統的可移動性,使之不僅能夠方便地應用到個人微機、筆記本電腦等不同的計算機終端上,而且可以使標定分析系統方便靈活地轉移到不同的標定環境。This machine is designed for paint - dropping or rubber dropping epoxy resin end sealing of engine rotor winders such as mini - engine, series engine, motorcycle, vehicle starting engine, dc servo engine and electrical tools, etc. the local machine is of germany simenz programmable controller ( plc ) with the parameter of simenz latest chinese
本機專為微電機、串激電機、摩托車、汽車起動電機、直流伺服電機、電動工具等電機轉子(電樞)的繞組滴漆或滴膠環氧樹脂端部封裝而設計的專用設備。Incorporation of kone technology and its mms modular design, original kone full - computer intelligent control system, 32 - bit networking micro - computer control, professional group control for 8 elevators, absolute value memorization of cars displacement, all these configurations fully ensure our passenger elevators excellent performance and powerful function. elegant interior car decoration bringing comfortable riding can satisfy different occasion and individualistic customer demands. passenger elevators with geared machine perform well and reliably
引進通力技術,運用通力mms模塊化產品設計原裝進口全套通力全電腦智能型控制系統, 32位網路化微機控制8臺專家智能群控vvvf數字化變頻驅動轎廂位移絕對記憶,配置高端,性能卓越,功能強大能滿足不同場合和客戶不同偏好需要的轎廂裝潢與人機界面,精緻豪華,令乘坐舒適愜意傳統有電梯,經典可靠採用來自通力領先業界的永磁同步技術的小無機房電梯,節能環保,節省建築空間和造價。Regard how to structure the control system of sensorless bldcm with dsp - tms320f240 as the centre in this paper, the detailed argumentation course of the motor startup, bemf terminal voltage measurement and control strategy is given out, give and pay concrete details for the software and hardware realization and experimental result. in order to treat the bldcm control system with dsp clearly, the full paper divides into six chapters altogether : chapter one, introduceing the development course, the structure characteristic and operation principle, etc. of bldcm in the introduction ; chapter two, directed against the startup issue of bldcm, the chapter give and publish the rotor measure pulse orients technology for motor startup in detail ; chapter three, proceed with mathematics model of the bldcm, expounding the control schemes ; chapter four, two important devices introducing : dsp ( 240 tms320f ) and power invertor control chip ( ir2131s ) ; chapter five, give and publish the detail of hardwares of control system ; chapter six, by ccs ide of ti, realize the control schemes in the front chapters with software, offere the procedure flow chart of main subroutine and some key place of programming, the experiment result in addition
全文共分六章:第一章、緒論中介紹了bldcm的發展歷程、電機本身的結構特點和工作原理等;第二章、針對五位置傳感器bldcm的起動問題,文中詳細給出了檢測脈沖轉子定位起動技術;第三章、從電機的數學模型入手,詳細論述了反電動勢端電壓法和系統的控制策略;第四章、介紹了硬體實現中的兩個重要器件: dsp ( tms320f240 )和功率管逆變器控制晶元( ir2131s ) ;第五章、詳細給出了控制系統的硬體實現細節;第六章、利用ti提供的ccs集成開發環境,將前面章節的控制方案用軟體加以實現,給出了主要部分的程序流程圖和一些編程要點以及實驗結果。The asynchronous motor is widely used for its simple construction, ruggedness, high working reliability, relatively low cost, and high environmental adaptability. it is suit for the direction of high voltage, high speed and large capacity. vector control is its ideal speed modulation method. the harmonics of three - level inverter are less than the traditional two - level inverter ’ s, and it is convenient to realize high sinusoidal voltage output. the maximum voltage strength which each electric component bears is small, and it is easy for three - level inverter to realize large capacity. the research on the asynchronous motor vector control based on the three - level inverter is one novel work
異步電機結構簡單、堅固耐用、運行可靠、成本低、環境適應性強,容易向高壓高速和大容量方向發展,獲得了廣泛應用,矢量控制為其理想的調速方法;三電平逆變器輸出端諧波少,有利於實現輸出電壓的正弦化,且單個開關管承受的最大電壓小,適合向高壓大容量方向發展。對基於三電平逆變器的異步電機調速系統開展矢量控制研究,是一件有意義的工作。Abstract : the brazing technology for asynchronous traction motor is introduced from various aspects as the choosing of end - ring and conducting bar materials, solder and flux, brazing joint type and brazing technology
文摘:從端環和導條材料的選擇、釬料和釬劑的選擇、釬焊接頭型式的選擇及其釬焊工藝等方面介紹了異步牽引電動機端環與導條的釬焊技術。Utilizing the design of external shell, dual axis capacitive accelerometer was succeeded, and the sensitive properties were characterized and analyzed. with the assistance of signal processing circuit consisted of amplifier circuit and filter circuit, the signal from the sensitive chip is converted into the voltage signal that meets the product performance requirement. moreover, we employed micromechanical technique to fabricate the
後端信號處理電路通過放大電路及濾波電路,將敏感晶元輸出的電壓信號轉換成符合產品性能指標的電壓信號,經過電路模擬及實驗驗證了電路的可行性;利用精密機械加工技術製作的外殼使得傳感器整體化、小型化;對產品實際性能測試和環境試驗后表明,該傳感器主要技術指標滿足設計要求。Shaft ends with tolerance ring for small motors
帶公差環的小型電動機的軸端The first chapter, introduce the rf receiver ’ s devolop and current situation. the second chapter, introduce the effect of the exterior environment to the rf receiver. the third chapter introduce some different structure and the design parameters of each structures. the parameters of the rf receiver are introduce in fourth chapter. the fifth chapter design a s band rf receiver. this s band rf receiver use a structure of superheterodyne module
第五章,介紹了一種s波段射頻接收前端的設計,基於分析的結果對一種射頻接收機的低噪放大、下變頻、鎖相環( pll )頻率合成器、中頻agc電路進行了設計,並在第六章完成了接收機各組件及總體的測試。Firstly, i introduce the hardware and software platform of embedded system, and explain the basic hardware and software development, it ’ s a cooperate process. then i analyse the cross development method for embedded system, mentioned the “ host ” and “ target ” in the development of an embedded system. take e - book project as an example, follows the process to introduce a real embedded system project, including the mcu, periphery hardware and the integrated development environment which can provide the whole platform for an integrated development on the pc - - wb33. then i present 3 of the hardware of e - book. for lcd, i introduce the common feature of lcd, the ssct lcd as well as the design, actualize of its driver. for the rs232 serial port, the principle of the serial port and the main driver of it are introduced. for flash memory, i introuce the principle of nor flash and nand flash, and how their drivers implemented. in the end, the conclusion of this paper is generated, there is also a prospect for further research
以一個實際的嵌入式開發項目? ?電子閱讀器為例,按照項目開發流程,介紹了包括項目所使用的微控制器mcu及片內周邊電路;項目所使用的基於mcu的集成開發環境? ?能在pc機上提供完整集成開發的平臺wb33 ,使用它可以很方便的在pc機上模擬目標機的環境。詳細介紹了電子閱讀器的三個底層硬體:對項目中採用的ssctlcd的特性以及其驅動的設計和實現的過程進行了詳細介紹;對rs232串口驅動,介紹了接收端即電子閱讀器端實現串口驅動介面的主要函數;對flash閃存驅動,分別介紹了norflash和nandflash的原理以及它們的驅動實現。最後,對全文給以總結,並對以後進一步的研究做出了展望Based on the state space equations of acim, a simulation model of the control system of acim is designed by using matlab / simulink. the results of experimentation and simulation indicate that the method of rotor flux oriented vector - control for ac the induction motor is of good dynamic and stability performance. at the end of paper, the conclusion and further research expectation are presented
為提高系統輸入端的功率因數,減少注入電網的諧波,本文根據矢量控制的原理設計了基於功率因數控制的交流感應電機矢量控制的dsp試驗系統;並以感應電機狀態空間方程為基礎設計了在matlab / simulink環境下的感應電機模擬控制系統模擬模型。Mainly for the electrical parts, compressors, aluminium, iron, copper die - casting pieces, ductile iron disc, gangti, interior, piston ring, hydraulic parts, car wheels, and so on mechanical hardware components, production processes or processing terminals cleansing
主要用於電機零件壓縮機鋁鐵銅壓鑄件,球墨鑄鐵件缸體殼體活塞環液壓零件汽車輪等等機械五金零件,生產加工過程工序間或終端的清洗。分享友人