轉速不等率 的英文怎麼說

中文拼音 [zhuǎnděng]
轉速不等率 英文
speed governing droop
  • : 轉構詞成分。
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 名詞[書面語] (剁物所用的木墩) a block of wood
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : 率名詞(比值) rate; ratio; proportion
  • 轉速 : speed; revolution; rotation rate; speed of revolution; rotating speed; rotational speed轉速指示器...
  1. Lc apparatus almost meet all the needs of space optical communication such as weight, size, power consume, life, cost, driving voltage, intergration of optics and electricity, programe, optically take ? over aperture, beam scanning, deflexional range and so on. switches, deflexional facilities and scanning equipments which made with lc have been used in the system of labor in space communication. the only bug of lc apparatus is that their answer speed only get microsecond rate or submicrosecond rate. but it is practical for them to be used in special beam capture, scan, deflexion controling which don ’ t concerned with code rate and code type

    液晶器件幾乎滿足空間光通信的所有大的指標要求如重量、尺寸、功耗、壽命、成本、驅動電壓、光電集成、可編程性、光學接收孔徑、光束掃描和偏范圍。液晶光開關、光偏器、光掃描器已經開始應用於光纖通信的實驗系統中。液晶類器件應用於光通信的唯一重大缺陷,是其響應度目前只能達到微秒級或亞微秒級,過,在涉及到碼型碼的空間光束捕獲、掃描、偏、控制方面,液晶器件完全可能進入實用化。
  2. This paper supplied a new way through variable frequency variable speed ( vfvs ) to change its output flow rate and adding a constant - pressure - drop valve, which could solve the defects in hydraulic pressure servo control system, such as low efficiency in control system, short life, poor ability in resisting pollution, low efficiency in driving system and flow rate, pressure pulse. and this way was proved to be effective

    本論文針對傳統伺服控制系統效高、元件壽命短、抗污染能力差、驅動系統效低、存在流量及壓力脈動缺陷,利用先進的交流變頻調技術改變液壓泵的容積調新方法,提出了在液壓系統中加一個定差減壓閥的新思路,較好地解決了液壓伺服系統存在的上述問題。
  3. 1, cut over a head : bring up to combine the applied technique most and early for the toshiba, and is also current usage to is the most extensive. he adopts a laser head, and prepare the different slice of 2 focal distances the sony for cut over, passing the conversion differently focusing the coming respectively reading dvd with cd, its shape looking with double head to resemble respectively, because can see two sets focuse the, laser head to interiorly can t see. he reads the signal quantity is higher, but because of want the conversioning to focuse the, therefore the cost belong to the inside and so forth of level, and recognize the dish speed slow, same the implicit mechanical trouble rate is high

    1切換雙鏡頭:為toshiba最早提出並應用的技術,也是目前使用最廣泛的。他採用一個激光頭,分別準備2個焦距同的鏡片切換,通過同的聚焦鏡來分別讀取dvd和cd ,它的外形看起來與雙頭的sony相似,因為只能看到二組聚焦鏡,激光頭在內部看見。他讀取信號質量較高,但由於要換聚焦鏡,所以成本屬于中水平,認盤度較慢,同樣隱含的機械故障比較高。
  4. A closed pulse width modulation ( pwm ) regulating speed system for dc servo - motor is presented, it is composed of avr microcontroller, pwm power driver, unit of speed detection using encoder and a serial communication interface, etc. fuzzy pid algorithm is employed to control the speed and position of wmr. the method can solve effectively some problems such as the uncertainty of wmr ' s model, the varieties demand, the change of situation

    其次,設計了基於avr微控制器( at90s8515 )的移動控制系統,其中主要包括pwm功驅動、測單元和串列通訊模塊:對機器人度、位置控制採用模糊pid演算法,較好地克服了移動機器人模型的確定性、位置控制要求的多變和環境改變因素的影響。
  5. In the process of threshing, the significance of factors, which influence threshing performance, not only include some certain factors such as feed quantity, cylinder rotary speed, distance between cylinder and concave, thresher concave radian but also include some uncertain factors such as the crop ' s variety, water content and the proportion of cereal straw. for this reason, the seed - husking plant is system with a character of uncertain, multi - input - output and complex nonlinear

    脫粒裝置的工作過程極為復雜,影響脫粒性能的因素很多,除了喂入量、滾筒、凹板長度與入口間隙確定性因素外,還有作物品種、作物含水以及穀草比一些確定性因素,因此脫粒裝置是一個具有確定性、多輸入多輸出的復雜非線性系統。
  6. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃熱解液化裝置能量計算和生物質能量利用計算提供了依據和方便; ( 2 )選擇了8種生物質試樣作了加熱( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程,並採用goast - redfem積分法和p函數對其動力學參數進行了求解,解析出各種生物質的頻因子和活化能參數,進而建立了各種生物質的熱解動力學模型,為科學確定反應器的閃熱解工作溫度范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定同尺度的生物質顆粒中心達到全熱解的時間,在體視顯微鏡下對同粒度的生物質顆粒的長徑比進行了實驗觀察和測定,得出生物質的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究,解析推導出了同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間( t ) ,得出了理論推導的充分熱解時間與最大產油的熱解時間相一致的結果,為閃熱解反應器固相滯留時間設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運用工程力學、工程材料、機械設計學原理,推導、建立了錐式閃熱解反應器物料滯留時間( )與(或頻)合理匹配理論; ( 6 )提出了錐式閃熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功計算方法及臨界理論
  7. In the production process of beta - cypermethrin, the overall yield was improved from 60 % to 93 % and the content of the final product was increased from 90 % to 95 % by optimizing technical conditions in the aspects of various starting materials, temperature control, reactant ratio, the mode of discharge, stir type, stir speed and etc

    摘要在高效氯氰菊酯的生產過程中,通過同原料合成氯氰菊酯的選擇、溫度控制、投料比、出料方法、攪拌類型及的選擇方面的工藝探索,產品收由60 %提高到93 % ,含量由90 %提高到95 % 。
  8. The cmp experiment was carried out systematically on litao3 wafer. the polished surface foughness and material removal rate in different polishing conditions were measured and the effects of polishing pad material and its condition, pressure, rotating speed of the polishing plate, the type and size of abrasive, and the properties of the polishing slurry on the surface routhness and material removal rate were analysed in details

    通過對鉭酸鋰晶片的化學機械拋光過程的實驗研究,通過測量鉭酸鋰晶片在同拋光條件下的表面粗糙度和材料去除,詳細分析了拋光墊材料和狀態、拋光壓力、拋光盤、磨料種類及粒度、拋光液組成幾個因素對拋光表面質量和材料去除的影響規律。
  9. On the basis of investgation on the related literature of electronic speed governor at home and abroad, this proper control parameters are obtained through the experimental research of the pid digital control parameters with the orthogonality method and through the analysis of the speed change of gasoline engine rev. the electronic speed governor designed hereby performs its controlling fuction through programs, the stable rev and static timing rate of which are also set and controlled by software, has, therefore large universality and function flexibility. so for different types of gasoline engines, the obtainment of relevant parameters and the designing of relevant programs suffice to realize the control functions of the electronic speed governor

    本文在分析研究國內外有關電子調器的基礎分析方法及其研究狀況的基礎上,採用pid數字控制,並用正交試驗方法對pid數字控制的控制參數進行試驗研究,得到了合適的控制參數。所設計的電子調器是靠控制軟體來實現調節和控制功能,穩定、穩定調都可以進行程序設定控制,具有很強的通用性和功能擴展能力。對同型號的汽油機,只要經試驗取得合適的控制參數,編制出相應的控製程序,就可以使用此電子調器進行控制。
  10. Since financial reforms were brought out in china 20 years ago, the state - owned commercial banks have a expansion in financial assets and liabilities during this period. with the sharp increase of financial assets gross, the domestic banks are encountering a series of difficulties, such as high ratio of default loans, the slower turnover ratio of funds, the lower profitability, and the weak ability of self - development

    金融改革二十年來,國有獨資商業銀行金融資產與負債總量經歷了一個迅猛的擴張期,在量的擴張背後也存在深層次的問題,特別是國有獨資商業銀行良貸款比較高、資金周度減慢、經濟效益下降、自我發展能力問題。
  11. Various drying factors of the cylinder dryer can be adjusted, such as density of feeding aerialsthicd - ness of materials film, temperature of heating medium, rotating speed of the cylinder etc. which can change drying speed of the under dryer, as these factors have no interrelations each other, it brings about great convenience to dry operation. and makesit applicable to lng of various materials and to meet different requirement of production

    如進料的濃度、塗料料膜的厚度,加熱介質的溫度,滾筒的,都可以改變滾筒乾燥機的乾燥效,且諸多因素互無牽連。這給滾筒乾燥操作帶來很大方便,使之能適應多種物料的乾燥和同產量的要求。
  12. Abstract : tensile reducer is one of the necessary apparatuses during the pipe production process at present. this paper deduces a multi - variation formula by using the energy principle and adopting upper limit method. the formula can be used to calculate the parameters such as the drive power, tensile coefficient, roll speed, depth of exit pipe wall, hole type ellipse etc. the existence of minus drive power has also been theoretically calculated

    文摘:張減機是鋼管生產中可缺少的設備之一.本文從一般能量原理出發,採用上限法推導出一個多變量公式,利用該公式可求解電機功、張力系數、軋輥、出口鋼管壁厚、孔型橢圓度參數,並且從理論上計算出電機負功的存在
  13. We apply fuzzy control theory to active control over engine body vibration, design fuzzy control system which combines intelligent control with feedback control. this control strategy mends the flaw of complexity, nonlinear and uncertainty when we use traditional control method. by measuring rotate speed and vibration speed of i. c

    在主動控制的基礎上,採用了模糊控制的演算法,設計了內燃機整機振動模糊控制器,改進了傳統控制方法在處理振動復雜性、非線性和確定性方面的缺陷,通過測量內燃機和內燃機整機振動度信號,動態地改變動力減振器的剛度,使減振器的固有頻跟隨內燃機整機振動激勵頻的變化,達到降低內燃機振動的目的。
  14. Studies have shown, lead impeller nozzle it forms the hole to be equal to size of the nozzle, gush out from light, difficult to arrange bits and realize it cut one layer of advantages effectively ; under the equal condition, rotate the nozzle by oneself, can be designed in accordance with the actual need while vary the size of aperture of hole, gush out the distance longer effectively, it is apt to give play to the role of its pulse broken rock

    以此設計出限部分的參數,且初步討論射流功之間的關系。研究表明,內導葉輪噴頭形成鉆孔孔徑與噴頭大小相當,有效噴距小,易排屑和實現其切向剝層優勢;同條件下,自旋噴頭,成孔孔徑大小可依實際需要設計,有效噴距較長,易於發揮其脈沖破巖作用。
  15. There are different thrusts and torques corresponds to difference trailing edge cutting value at different advance coefficients. combined with the real hull ' s resistance and the real engine ' s power and revolution, the matching point between hull - propeller - engine and the value of trailing edge cutting can be calculated

    在得到同的進同的切割量下螺旋槳的推力、矩的情況下,結合實船的阻力和主機的功資料就可以計算出使船?槳?機匹配的切割量。
  16. It can also determine the fault spot and reason. this technology has been used in some technological fields and proved efficient. it has promoted the revolution of maintance system and the historial protection is replaced by preventive maintenance. with this technology, we can improve the reliability of machine and decrease the maintance fee. recently, reserch has pick up a fervent pace in the area of fault diagnosis of electrical machines. the paper simply analyzes the fault reason of electrical machines, stressly describes and explores the methods of condition monitoring and fault diagnosis such as partial discharge, stator current, rotating speed, vibration etc. fault prognosis is now include diagnostic feature, reason, spot. prodigious improvement in signal processing hardware and software has made this possible. primarily, these techniques depend on locating specific harmonic components of the fault. these harmonic components are usually diffirent for diffirent types of faults. automated tools such as fuzzy logic based system is also simply presented in the paper

    本文從絕緣結構的故障機理入手,以絕緣結構故障的典型特徵? ?局部放電為研究對象,重點討論局部放電的在線監測方法、適用場合併比較它們的優缺點;在分析籠型異步電機子斷條在線監測的定子電流監測方法后,根據其缺陷,本文探討了溫升平衡法、希爾伯特變換數字濾波、小波包分析法的原理及優點;以電機軸承、氣隙偏心故障為研究對象,通過對電機振動和的檢測,診斷電機的故障類型;本文的重點工作是將人工智慧技術中的模糊技術應用於電機的狀態監測和故障診斷中,力求使電機故障診斷更接近人工智慧化;最後,本文對電機狀態監測和故障診斷系統進行了硬體和軟體初步設計,為實現預測維修提供了有效的技術手段。
  17. The traditional molecular pump with popular bearing can not meet the challenge of semiconductor manufacturing because of the vibration, short life, unpure vacuum and so on. so it is very important to design the magnetic bearing and power amplifier for molecular pump

    本課題研究的目的是,解決傳統軸承型分子泵應用在半導體製造行業時出現低、壽命短、真空潔凈問題,設計分子泵的磁懸浮軸承結構和功放大器,對實現分子泵在半導體工業中的良好應用有著重要的意義。
  18. Also ac exited generator have many excellent characteristics, it may improving the stability of electric power system, its rotor speed may adjustable, it have abilities for active and reactive power regulating in self - help ways, it not lose steps even when operated in deep lead phase, so it especially applied in wind electric power plant and pumped - storage hydraulic power plant

    交流勵磁發電機作為發電機運行的風力發電系統,利用變恆頻技術后可大大提高風能的利用。交流勵磁發電機可改善電力系統穩定性,可變,具有獨立的有功無功調節能力,可以深度進行運行而失步,特別適用於風力發電、抽水蓄能電站場合。
  19. A time - frequency analysis method is presented to solve paper machine press section bearing vibration signals of unstable and complication, applying wavelet function to the unstable signals for faulty bearing according to paper machine press section roll bearing characteristic, and process the vibration signals by means of decomposition and reconstruction, obtaining the vibration signals in different frequency bands, the statistic in frequency domain of relevant frequency bands is served as monitoring feature

    摘要針對紙機壓榨部滾動軸承尺寸大響應弱、運度低、低頻信號容易淹沒、調制源多、振動信號非平穩性特點而導致常規的傅立葉分析診斷故障效果佳的情況,提出了一種應用小波變換的時頻分析方法,對振動信號進行分解和重構處理,獲得了振動信號在同的頻段的分量,提取相應特徵頻段重構分量的功譜的頻域統計值作為特徵參數,從而實現對軸承故障診斷。
  20. To make high quality video streamable and playable in mobile devices we need to perform transcoding to adapt the bit rate, spatial resolution and / or temporal resolution to match the mobile network and device capabilities

    要在流動器材中播放高品質視像,我們需要透過碼方法來配合視像源同的編碼傳輸、解像度和畫面
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