電子主動元件 的英文怎麼說
中文拼音 [diànzizhǔdòngyuánjiàn]
電子主動元件
英文
active electronic component-
Prime exports : garments, leatheroid bags, cloth toys, aluminum, copper wires, tractors, bike parts, power tools, electronic components, etc
當地主要產品：棉服裝、化纖服裝、人造革包、布絨玩具、鋁、銅絲、手扶拖拉機、自行車零件、電動工具、電子元器件等。This paper mainly described the research on rheological property, high thermal stability, flame retardant, the influence of catalyst and insulating heat conduction of organic silicon encapsulating materials, which greatly apply on electronic equipment and large scale integrated circuit and so forth
摘要本文主要綜述了國內外用於電子元器件、大規模集成電路等高科技領域的有機硅灌封材料在流動、耐高溫、阻燃和絕緣導熱等方面的性能以及催化劑對灌封材料的影響的研究應用進展。Hanno factory, shindengen electric manufacturing is located in an area of mountains, forests, and clean water, and as such is engaged in the following activities designed to maintain a clean and beautiful natural environment for future generations, while at the same time sustaining a society in which continued
位於山水、綠樹環繞的城市飯能的新電元工業飯能工廠通過包括以電子器件產品、通信用整流器、信息產業設備用電源、電子零件、集中管理系統、螺線管等開發、設計為主體的生產在內的業務活動，為能將豐富的自然留給未來而保護自然，以建立能夠堅持持續發展的社會為目標開展以下活動。Water, and as such is engaged in the following activities designed to maintain a clean and beautiful natural environment for future generations, while at the same time sustaining a society in which continued development is possible, and continuing the present course of development and design of electronic devices,
位於山水綠樹環繞的城市飯能的新電元工業飯能工廠通過包括以電子器件產品通信用整流器信息產業設備用電源電子零件集中管理系統螺線管等開發設計為主體的生產在內的業務活動，為能將豐富的自然留給未來而保護自然，以建立能夠堅持持續發展的社會為目標開展以下活動。This paper constructs fe models of srm in detail and analyzes the vibration mode and natural frequencies with the finite element analysis software package, and studies the influence of the stator structure of srm, such as stator poles, ribs, mounting feet, terminal block and structure parameters, restriction condition on the srm vibration behavior, the contrast to experiment result implies that the fea model is close to the real model for analyzing the vibration characteristics of srm
本文基於有限元分析方法，主要研究了定子凸極、底座、散熱筋，加強筋，接線盒等結構以及結構參數對定子固有頻率和振動模態的影響，並且研究了約束條件下的sr電機定子振動特性。本文比較了模態實驗與有限元分析結果，表明所建立的二維有限元模型對分析sr電機的振動特性有較好的精度。With import and export rights, the international exhibition, investment and financing, and other qualifications, mainly in the following areas : petroleum, chemical engineering ; paints, rubber and plastics. surface treatment ; energy, metallurgy, iron and steel ; wood ; medical, maintenance, pharmaceutical, medical ; textile and leather ; electronic components instrumentation ; communications, radio and television equipment, media programs ; hvac refrigeration, building materials, engineering and construction ; security, protection, fire ; hardware, tools ; iec electrical, lighting ; lamps and accessories, supplies and maintenance ; environmental protection, water treatment ; machinery and equipment industry ; paper, printing and packaging ; logistics ; secondary transfers ; gifts, toys, jewelry ; food, beverage, forestry, animal husbandry and fisheries ; household goods, hotels, beauty care ; it equipment, digital products, software ; office of books, educational equipment ; sports, leisure, sports goods ; wearing apparel, shoes, and hats, bags ; household appliances, audio - visual equipment, professional lighting ; international exhibitions ; transnational agent ; business services, advertising and other areas of international trade, international investment and financing
具有進出口權、國際會展權、投融資等資質，目前主要從事的領域有：石油、化工；塗料、橡塑、表面處理；能源、冶金、鋼鐵；木材；醫藥、保養、制藥、醫療；紡織、皮革；電子元器件儀器儀表；通信、廣電設備、傳媒節目；暖通製冷、建材、工程建築；安防、防護、消防；五金、工具；電工電氣、照明；汽摩及配件、用品、維修；環保、水處理；機械及行業設備；紙業、印刷、包裝；物流；二手轉讓；禮品、玩具、珠寶首飾；食品、飲料、農林牧副漁；家居用品、酒店、美容護理； it設備、數碼產品、軟體；辦公圖書、教育裝備；運動、休閑、體育用品；服裝服飾、鞋帽箱包；家電、影音設備、專業燈光；國際性展覽會；跨國代理；商務服務、廣告等領域的國際貿易、國際投融資。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。Constant stator magnetic linkage control frequency converter includes power devices utilizing igbt, drive circuit using three - phase drive ic with multiple protection functions. pwm signal formation circuit in the way of voltage space vector control and realized with pld ( programmable logic device ) devices and compensation for the influence of supply voltage variation and stator resistance voltage drop
其中，恆定子磁鏈控制變頻器的設計中主電路採用功率器件igbt ；驅動電路採用三相多功能集成驅動晶元； pwm脈寬調制信號產生電路採用電壓空間矢量控制方式，由pld器件實現；對電源電壓變化及電阻壓降造成的影響進行了補償。In the second part, the reliability research on electronic packaging was concentrated with finite element method ( fem ) on moisture diffusion in plastic materials, die cracking of flip - chip with no - flow underfill and thermal performance of high power electronic components. in the last chapter, the design tool for advanced electronic package was studied. the main conclusions in the second part are as follows
論文第二部分電子封裝可靠性研究包含對塑封材料中水汽擴散研究、填充不流動膠的倒裝焊晶元可靠性研究以及大功率器件散熱問題研究三方面內容，最後為實現封裝設計標準化和自動化，研究了若干最主要的電子封裝構型的參數化有限元建模、加載和相應的求解方法。With its excellent magnetic property, abundant raw material and reasonable prices, rare - earth permanent magnet can be used as an ideal magnet in mini - motor, permanent - magnet instrument, electronic industry, auto industry, petro - chemical industry, nuclear magnetic resonance, sound device, magnetic suspension system, magnetic transmission machine and magnetotherapy apparatus etc
稀土永磁體及元器件以其優異的性能，豐富的原料，合理的價格，正在得以迅速的發展和廣泛的應用。其主要應用在微特電機，永磁儀表，電子工業，汽車工業，石油化工，核磁共振裝置，音響器材，磁懸浮系統，磁性傳動機構和磁療設備等方面。The article put forward the general plan to realize intelligent pneumatic actuator and studied and analyzed on some of key technical questions : low power - consumption electrical - pneumatic converting unit and low power - consumption control circuit solution which is based on piezo ceramic principle and meet the requirements of intrinsically safe explosion - proof ( ib ct5 ) ; general software solution which realizes the goal of intelligence and hart communication function ; reliability design solution which answers the purpose of mtbf 16000 hours and regard electrocircuit, machine unit and software as main parts
本課題以氣動調節閥的智能化為研究目標，提出了實現氣動執行器智能化的總體方案。並對其中幾個關鍵技術難題進行了研究分析：以滿足本安型防爆要求（ ib ct5 ）的基於壓電陶瓷原理的電氣（ i / p ）轉換單元、低功耗的控制電路方案；以實現智能化和hart網路通訊功能為目標軟體總體設計方案；以mtbf 16000小時為目標和以電子電路、機械零部件、軟體為主體的整機可靠性設計方案。分享友人