旋製法 的英文怎麼說
中文拼音 [xuánzhìfǎ]
旋製法
英文
i ing-
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。This paper simply introduces the device of on - line monitoring for the thrust of the rotating maching, then discu ed the finite dement analyses on the on - line monitoring elastic dement for measuring thrust in detail, in order to develop the performance of the se or and the device, we calculated the distribution of the stre 、 strain 、 axial di lacement in the elastic element using the finite element method when the axial forces f = 3 104n, the result is very satisfied
簡單介紹大型旋轉機組軸向力在線監控裝置，然後詳細介紹軸向力測力彈性元件的有限元分析，為了提高所研製的測力傳感器的性能，採用有限元方法計算了彈性元件在軸向力f = 3 104n時的應變、應力、靈敏度及軸位移等的分佈情況，分析結果表明：所設計的測力傳感器完全符合廠方的要求及儀表性能指標。Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece
將液體火箭發動機燃燒室的冷卻通道設計為斜航線（等傾角螺旋線）槽形，可以大幅度改善燃燒室的冷卻性能.斜航線冷卻槽的槽寬尺寸較小而槽深尺寸較大，所以無法使用棒銑刀銑削、電化學等加工方式.針對這些特點，提出了五軸控制、四軸聯動的數控片銑刀銑削加工方法.由於燃燒室外表面的母線輪廓復雜，手工編制數控加工程序難度大.為了解決數控加工程序的編制問題，研究了斜航線的數學模型，開發了自動編程軟體系統.使用該系統，可以生成多種母線輪廓回轉體外表面上的斜航線數控加工程序.燃燒室收斂-擴張段的母線斜率變化大，加工難度大，是斜航線冷卻通道加工的最典型工件.經過理論分析和實際切削實驗，研究了針對該類型工件的片銑刀直徑選擇、銑削方式和方向、刀具調整和起刀點的設置等多項實際的加工方案.採用上述的一系列技術，已經成功地加工了數十個合格工件.經過兩年多的實際生產過程應用，驗證了所開發的斜航線冷卻通道加工方法的正確性和可行性.這些加工技術的研製成功，對其他相似類型零件的加工亦具有參考意義In this work, a new dual triangulate bluff body vortex flowmeter was developed, the flux lower limit value of which lower by 50 % that of the old single bluff body vortex flowmeter. the linear correlation of the correlation between the velocity pressures of fluid disturbs wave and that of vortex precession in vortex precession flowmeter was brought to light, and a spectrum phase discrimination method based on fft to remove the effect of fluid pulsating interference on vortex precession flowmeter was advanced
研製出比傳統單鈍體渦街流量計流量下限降低約50的新型雙鈍體渦街流量計；揭示出脈動流中旋進旋渦流量計流體振動特性，並在此基礎上提出基於fft相位判別的數字信號處理方法來消除流場脈動對旋進旋渦流量計的干擾的方法。A mathematic model of the motor is builded and emulated through matlab. the low - speed and constant - torque, high - speed and constant - power state is analyzed and researched, also the software approach of simulation to the driver has been done, a digital signal processor tms320lf2407 is developed successfully to control the perm square - wave bldcm driving airscrew of solar powered unmanned engine. it is useful to the further study
在matlab下建立了電機的數學模型，通過計算機模擬，驗證了數學模型的正確性，同時在理論上對低速恆轉矩高速恆功率運行進行了分析與研究，提出了一種用模糊控制的方法實現恆功率控制，並對驅動器進行了系統模擬，成功的研製了以數字信號處理控制器tms320lf2407為控制核心的驅動器，控制無刷直流電動機驅動太陽能無人飛機的螺旋槳，為後面繼續研究工作提供了參考。This essay takes the method of listing equations of gears " surface directly and installing them in appropriate coordinate system to establish the mathematic model for analyzing engagement of spiral helical gear. programs use this mathematic model to make numerical computation as well as to output the contact domains diagram and the relative velocity diagram on this foundation
本文採用直接列寫齒面方程、在適當的坐標系中安裝的方法，建立了螺旋齒輪嚙合分析的數學模型，編製程序利用該數學模型進行數值計算，並在此基礎上輸出接觸區圖和相對速度圖。The distributed plc system of the floodgate ' s opening measuring presented by the paper has many advantages such as high reliable operation, high measuring precision, having the network communication function, convenient installation and correction, etc. this thesis further studies the key device for the floodgate ' s opening measuring, the rotary encoder, selects the absolute rotary encoder adopting the binary cyclic code, studies the method for transforming the cyclic code to the binary data and according to the transforming formula designs the ladder diagram program
本論文研製的分散式plc閘門開度測量系統具有工作可靠、測量精度高、具有聯網通信功能、安裝和校正方便等特點。本論文深入研究了閘門開度檢測的關鍵器件? ?旋轉編碼器，選用了採用二進制循環碼編碼的絕對式旋轉編碼器，研究了將二進制循環碼轉換為二進制數的方法，根據轉換公式設計了plc的梯形圖轉換程序。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。Since high tc superconducting ( hts ) tapes for practical applications became commercially available over the past few years, the development of superconducting power technology has achieved significant progress. it is foreseen that superconducting technology will be the prevailing high technology of the 21st century, and that superconducting power equipment will be commercialized soon, enjoying a large - scale worldwide market before 2010. china ' s economy is expanding fast, and the demand for electricity is increasing quickly. at the same time, higher electricity quality will be required. traditional power technology will no longer be able to satisfy future requirements, so superconducting power technology would be the best solution, leading a revolution in the power industry. the history, present status and prospects of superconducting power technology as well as the economic benefits and basic physics problems involved are reviewed
人們認為，超導體在電力方面出現大規模應用的時間距離我們還非常遙遠.然而，隨著最近幾年來實用高溫超導材料的研製取得重大的進展，高溫超導電力技術的應用已經成為現實，預期將在2010年左右出現大規模的應用，並將帶來電力工業的革命.因此，下一個10年將是國際超導技術競爭最關鍵的10年.我國的經濟發展很快，電能需求量增加十分迅速，對電能質量的要求也越來越高.常規電力技術已經無法滿足我國電力發展的需要，超導電力技術是實現我國電力發展目標的必由之路.文章有代表性地介紹了超導電纜、超導限流器、超導磁儲能系統、超導變壓器和超導旋轉電機等的基本工作原理及研究發展歷史，並著重介紹高溫超導電力應用研究的現狀、應用前景、經濟可行性及基本物理問題This paper has studied the drying dynamics experimental law of vegetable seed respectively in a fixed bed and a spiral vibrofluidized bed model dryer and simultaneously analysed seed physiology variation characteristics, and thereupon expounded the mechanism of vegetable seed heat and mass transfer enforcement, developed a spiral promotion vibrofluidized bed dryer for vegetable seed dehydration with high efficiency and good quality, energy saving
綜合工程熱物理和種子生理的研究方法，選用白菜與菜豆種子在固定床與振動流化床中進行了乾燥動力學實驗研究以及種子生理的同步測試，闡明了蔬菜種子乾燥的強化傳熱傳質機理，並在此基礎上研製了輻射-對流-導熱-振動綜合傳熱的優質、高效、節能的螺旋提升振動流化床蔬菜種子乾燥機。Thermoplastic tanks made from blow or rotational moulded polyethylene - tanks for the above ground storage of chemicals - requirements and test methods
吹模或旋轉模製聚乙烯熱塑性罐.地上化學制劑儲罐.要求和試驗方法Thermoplastics tanks made from blow or rotational moulded polyethylene - tanks for the above ground storage of chemicals - requirements and test methods
吹模或旋轉模製聚乙烯熱塑性罐.化學製品地上存儲罐.要求和試驗方法Thermoplastics static tanks for above ground storage of domestic heating oils, kerosene and diesel fuels - blow moulded polyethylene, rotationally moulded polyethylene and polyamide 6 by anionic polymerization tanks - requirements and test methods
家用燃料油煤油和柴油的地上存儲用熱塑性固定儲油罐.通過陰離子聚合吹塑聚乙烯儲油罐旋轉模製聚乙烯和聚酰胺6儲油罐.要求和試驗方法The results show that crystal inhomogeneities and suitable contacts are critical to the fabrication of high quality cdznte spectrometers. the modified growth technique is a new and promising method for growing highly pure and perfect cdznte single crystals. good quality ohmic contact detectors are achieved when gold or indiumare deposited as electrodes on polished and chemically etched surface
結果表明：材料內部的缺陷和歐姆接觸是影響器件性能的兩個關鍵因素，採用改進的富鎘氣氛下坩鍋旋轉下降法生長的晶體具有較低的缺陷濃度，適合製作探測器，採用au 、 c可得到歐姆接觸。Lppp thin films were prepared by spin coating from a solution of lppp in toluene and alq was formed by vapor deposition. different configuration devices with lppp single - layer, lppp micocavity and lppp / alq heterojunction were fabricated
利用lppp甲苯溶液旋塗制備lppp薄膜，真空蒸鍍法制備alq膜和電極，分別製作了lppp單層無腔、 lppp單層微腔、增強型lppp / alq異質結結構的有機電致發光器。The thesis presents an effective method for the design and modeling of ltcc embedded capacitors and inductors, based on which the multi - layer capacitors and inductors are designed and realized. the measured results agree very well with the electromagnetic designed responses, which shows the validity of the design and implementation
提出了ltcc內埋式元件完善的設計方法和流程，據此設計和製作了平面曲折形和螺旋形電感以及多層垂直交叉型電容，測量與模擬結果的吻合驗證了設計和實現方法的正確性。Methods for determination of physical properties of tobacco and tobacco products - loss of tobacco from cigarette ends using a rotating cubic box sismelatophore
煙草和煙草製品物理性能測定方法.第8部分:用旋轉立方盒測定卷煙末端煙草損失The results showed that it was fibronectin which increased cell attachment so that cells could not be detached, and albumin did n ' t influent the cell detachment, but influented the adsorption of fibronectin, surface analysis demonstrated that the coated protein would not affact the wettability of azphpia. the function of azphpia could not resist the function of fibronectin so that the application of thermoresponsine biomaterial in serum cell culture system is limited. in section two, it was also first time to systhesis phycocyanin ( pc ) anti - tumor polymer
在第三章中，首次成功將具有抗腫瘤活性的藻藍蛋白、藻總蛋白、硒化藻藍蛋白，通過光化學固定法，共價接枝到聚苯乙烯膜上，製成新的光固定化抑癌生物材料，接著華南師范大學博土學位論文中文摘要研究藻藍蛋白光固定化聚苯乙烯膜對肝癌細胞7402生長的體外抑制作用及硒和螺旋藻中其它蛋白質對藻藍蛋白活性的影響。In condusion, the research of rotating converter will promote the progress of the synchronous generator brushless excitation system and illuminate a new direction of the power electric converter
為減少旋轉變壓器的散磁和漏磁，改善其性能，本文使用了新型的變壓器繞制方法?平面繞製法。The stability of micro - birefringence optical path difference measuring system based on electro - optic modulation method is studied
提出用旋轉半波片反射法測量半封閉玻璃製品應力，探討以電光調製法為基礎的微雙折射光程差測量系統的穩定性。分享友人