自動轉速計 的英文怎麼說
中文拼音 [zìdòngzhuǎnsùjì]
自動轉速計
英文
automatic tachometer- 自 : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
- 轉 : 轉構詞成分。
- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 自動 : 1 (自己主動) voluntarily; of one s own accord 2 (不憑借人為的力量) automatic; spontaneous 3 ...
- 轉速 : speed; revolution; rotation rate; speed of revolution; rotating speed; rotational speed轉速指示器...
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This drilling adopts crank connecting link and walking beam percussion mechanism, which make the drilling possess two percussive functions, normal drilling takes connecting link impact as main mode, when encountering special situation and the connecting link impact can not drill, it can transform into hoisting impact, the stroke length can be modulated, it realizes automatic percussive drilling due to continuous operating of connecting link percussive mechanism, these can enhance drilling efficiency and relieve labor intensity ; it adopts pumping reverse circulation to drain slag, which not only resolves the drilling difficulty in special stratum such as pebble and gravel stratum and hard stratum, but also resolves the problem that the percussive drill ' s efficiency is low ; it adopts spur gear differential mechanism as double cylinders lazy tongs of main hoist, which not only ensures the balance state of drilling tool, but also reduces the mechanical design, and reduces the cost ; the bottom plate traveling motion of this drilling machine adopts walking type ; the drilling tower adopts hydraulic pressure uprising, and reduces the assistant operating time
該鉆機採用曲柄連桿、游梁式沖擊機構,使鉆機具有兩種沖擊功能;正常鉆進以連桿沖擊為主,遇到特殊情況,用連桿沖擊不能鉆進時,可轉為卷揚沖擊,沖程可調,因連桿沖擊機構連續工作,所以實現了自動沖擊鉆進,可提高鉆進效率,減輕勞動強度;採用泵吸反循環的方式排渣,既能有效解決卵礫石地層、堅硬地層等特殊地層鉆進的困難,又很好地解決了沖擊鉆機效率低下的問題;採用直齒圓柱齒輪差速機構作為主卷揚的雙筒同步機構,既保證了鉆具處于平衡狀態,又大大簡化了該機構設計,降低了成本;該鉆機底盤行走移位採用步履式;鉆塔採用液壓起立,減少了輔助作業時間。Rev limit formula was put forward after the analysis and calculation of rev limit of measurement turnplate of the pellet full - automatic packaging machine on the base of the theory of mechanics and kinematics
摘要以力學和運動學為理論基礎,對顆粒型全自動包裝機計量轉盤的極限轉速進行了分析計算,並得到了極限轉速公式。Neural network control is an important mode of intelligent control, and it is widely used in branches of control science, first, the architecture and the learning rule ( error back propagation algorithm ) of multiplayered neural network which is widely used in control system are presentedo especially, the paper refers to the architecture of diagonal recurrent neural network and its learning algorithm - - - - - recurrent prediction error algorithm because of its faster convergence with low computing costo next, before introducing the neural network control to the double close loop dc driver system, the controllers of current and velocity loop are designed using engineering design approach after analysis of the system, simulation models of the system are created
神經網路控制是智能控制的重要方式之一,它廣泛應用於自動控制學科各個領域。本文首先敘述了控制系統中常用的多層前饋網路結構及演算法( bp演算法) ,特別提及了能夠較好描述系統動態性能的對角遞歸神經網路和在用遞推預報誤差演算法訓練drnn時取得了較快的收斂速度。其次,應用工程方法分析設計了tf - 1350糖分離機的電流、轉速雙閉環直流調速系統的控制器,作為引入神經網路控制的設計基礎,並建立了系統的模擬模型。Control system by using of japanese p. l. c system and servo electrical drive system by using of west germany basic design in order to the cutting length, square, tension control and sheet counting can be operated directly through operator and machine interface, are equipped with automatic shutdown function and also the speed, the amount of reams, the square of decurler, cutting size, breakdown can be dispayed clearly. easier for controlling the operation
控制系統採用日本系統及西德伺服電機設計理念,使紙張裁切的長度菱角的方正張力的控制及張數的計數可透過人機界面直接輸入,並有自動停機的功能設計,此外還可顯示速度令數反曲器之工作角度總切斷張數等數據,以及運轉故障之顯示,有助於機器維護工作的進行。Based on the basic analysis of the structure and power elements of the hybrid vehicle, this thesis presents a powertrain system with a metal pushing belt cvt, aiming to the development status and trend of the hybrid vehicle technology in our country. a rational control strategy and its work mode of this powertrain system are determined, and correlative parameters such as the engine power, the starting torque, and the differential ratio, the rated power and torque of the motor, and the ratio of the torque synthesizer are systematically designed for the changan star 6350b. at the same time, the design of these parameters is considered as the base of the simulation of the motor control system in next step
在對混合動力汽車的結構型式和動力元件進行基礎性理論分析后,針對我國汽車技術發展現狀和混合動力汽車技術的發展趨勢,設計了一種基於金屬帶式無級自動變速器cvt混合動力汽車動力傳動系統方案,根據該傳動系統方案制定了比較合理的控制策略和工作模式,並針對長安之星6350b設計了發動機功率和起始轉矩、主減速比、電機的額定功率和轉矩、轉矩合成器速比等相關參數,為下一步的電機控制系統模擬實驗打下基礎。Power - driven vehicles ; graphic symbols for tachographs
機動車輛.自記式轉速計用圖形符號From the paper, it can be concluded that it is necessary to make many intellectual electronic equipments access the internet in the new era, with the development of the computer, communication and the network technique, and the embedded network platform based on the advanced x86 microcontroller has the characteristics of simplity, clarity and high - adaptability in the applications, it can be widely applied to many industrial fields such as power automation, communication terminal, monitoring and measuring system on line, embedded web, network protocol transformation, intellectual instruments etc
縱觀全文,得出如下結論:隨著計算機、通信及網路技術的發展,實現大量智能電子設備與internet的結合,即電子設備web化是信息時代的新趨勢。基於本文方案構建的高端x86嵌入式網路平臺具有應用開發簡單快速、靈活適應的特點,可廣泛應用於電力自動化及各種電氣測控設備、通訊終端、在線監測系統、嵌入式web 、網路協議轉換、智能儀器儀表等眾多工業領域。In this thesis, based on activity based classification, there are three subjects to be researched, that is, how to build and express cost caculation rules, how to support many caculation methods and how to support more quick and accurate cost caculation. moreover, this thesis lucubrates a flexible cost cacaulation model. this model bases on advanced cost theory - - activity based classification, and it includes the building of abc ' s cost caculation model, the receptions " automatical accumulattion and transformation rules, the storage and use motivating causes rules, the diverse cost distribution and supporting many cost caculation methods. besides, the model brings forward rules about cost information transformation and accumulattion, rules about keeping business records, rules about motivating causes ’ accumulattion, rules about cost distribution and formula language. what ’ s more, it builds a rule engine, and all of these make this model meet enterprises ’ demand for using many cost caculation methods, and then simplify operators ’ operation. also, it can realize cost accumulated more accuratly, keeping business records more promptly and cost analysed more intensively, and then give supports to enterprises ’ further decision with related data. in the third chapter, it expounds the design and realization of this flexible cost cacaulation management system, and use one model case to validate its legitimacy, which explains that with j2ee technology and mvc design pattern, this system has good features of reuse and adaptability. at last, it introduces its application in china resource alcohol co., ltd
本文以作業成本法為理論基點,圍繞著如何建立成本核算規則並給予表達、如何支持多種成本核算方法以及如何提供更為快捷、精確的成本核算等三大主題展開深入的研究,並建立了多適應性成本核算模型。該模型以先進的成本核算方法作業成本法為理論基礎,涵蓋了從作業成本核算模型的建立到成本單據自動歸集轉換等規則的提取,從動因量存儲使用等規則的建立到成本多樣化分配以及支持多種成本計算方法等全部內容。在對成本核算規則進行分析和表達的基礎上,該模型提出了基於作業成本法的成本信息轉換存儲規則、記賬規則、動因量歸集規則、分配規則以及計算公式語言,並建立了基於這些規則的規則引擎,從而使得該模型能夠滿足企業多種成本計算方法的需求,簡化了企業人員的操作過程,並且實現了更為準確的成本歸集,更為迅速的成本制單,以及更為細化的成本分析,為企業的進一步決策提供了有力的數據支持。The speed of isa bus has become the bottleneck between high a / d converters where requests very high speed. isa bus interface card ca n ' t configure resource automatically. there will be no place for isa bus after the vanish of isa slots on computer mainboard
Isa總線有很多優點,但在某些方面已逐漸顯出不足:在一些速度要求高的場合, isa總線的速度上限已成為高速a / d轉換器與主機間的瓶頸; isa總線介面卡無法實現資源的自動配置;以及計算機主板的isa插槽在逐漸的消失,所以本文又提出設計基於pci總線的介面電路。Aimed at design index of input power 1. 5kw, most output rotate velocity 300rpm, and rating output rotate velocity 150rpm, considering factors of angle and ratio of transmission, on the basis of kinematics simulation, author optimized the kinematics parameters. in this paper, author has made some analysis and study to the primal assembly condition of transformer ' s sequential action in theory, designed structure dimension of the input and output transformer, and verified the corresponding strengthen. further, the structure, which is to key transmission components of velocity control system of the speed regulator, has been designed based on meeting operational sensitivity, precision and self - locking
本文針對輸入功率為1 . 5kw ,最大輸出轉速,額定輸出轉速的無級變速器的設計要求,並考慮到傳動角及變速比等因素,在運動學模擬的基礎上,對運動學參數進行了優化;本文對變換器連續作用的初始裝配條件進行了理論分析與研究,對輸入、輸出變換器作了結構尺寸的設計,並進行了強度校核計算;本文還對變速器調速系統中主要傳動構件在滿足操作的靈敏度、精度、自鎖性的基礎上進行了結構設計;最後採用workingmodel3d軟體,進行虛擬樣機的計算機輔助模擬設計及運動學和動力學計算。Driver ' s position : optimised layout, based on the latest ergonomic principles, considerably reduced vibration and noise, throunh insulating the operator ' s compartment from the vehicle itself by means of shock absorbes, seat adjustable to operator ' s height and weight, as well as being spring suspended and hydraulically damped. lindedouble pedal control system offers accurate reversing without. changing gear. linde central control lever operates all mast functions
駕駛室:根據人機工程學原理對駕駛室進行了優化設計.駕駛室與車身之間由減震墊隔離,大大地降低了震動和噪音,司機座下有彈簧和液壓減震裝置,並可根據駕駛員的身高和體重進行調整,以獲得最舒適的狀態.林德雙踏板控制系統具有無需切換即可實現靈敏向的功能:林德集中控制桿控制門架的提升,下隆和傾斜動作.發動機的轉速可根據提升和其它功能對輸出功率的需要而自動調節.護頂架與司機座聯成一體,並可裝配成舒適的全封閉駕駛室Transformed the six - bar guide - bar mechanism realizing linear displacement in automatic instruments into a basic rotating guide - bar mechanism, established the mathematical model of velocity approaching constant by the classical approximate synthesis theory and the modern error theory, discussedthe influences of the existent region of main mechanismic parameters on kinematic and dynamic properties, analysed the theoretical transmission ratio error, advances systematic, complete steps and methods for dimensional synthesis of this mechanism with computer aided design
將自動化儀表中實現線性輸出的六桿導桿機構轉化為基礎轉動導桿機構,應用經典的機構近似綜合理論與現代的誤差理論,建立了速度逼近常數的數學模型,討論了主要機構參數存在區域及對運動、動力性能的影響,分析了傳動比理論誤差,提出了系統完整的計算機輔助尺度綜合的步驟與方法。There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor
本文利用s7 - 200plc自身的特點設計了頻率測量單元,根據pid調節各個環節的特點,以及調速器動態特性、靜態特性對頻率測量的實時性和精度要求的不同,利用s7 - 200plc基本單元中內置的高速計數器以及相應的外圍放大整形、分頻電路,實現了水輪發電機組頻率的測量;在軟體上,對微機調速器的整個程序框架、並聯pid的離散化過程進行了分析,選用改進的pid演算法實現了變參數、變結構的pid調節模式;調速器的機械液壓隨動系統具有步進電機電液轉換元件,採用五相反應式步進電機,根據其驅動特性設計了變頻調壓驅動器,實現plc與步進電機驅動器之間數字介面。A rotary cell culture system was designed, which was composed of micromotor, rotate part, gear part and et al. in this system, tubular scaffold can rotate slowly around own major axis. by means of this, three - dimension tissues or organs can be cultured in vitro
我們還特別設計了旋轉培養裝置,通過微型馬達驅動,減速裝置作用使旋轉部分繞自身中心水平軸做緩慢轉動,從而使置於旋轉部件上的管形支架繞其正中長軸作緩慢旋轉,其原理與美國genzrpe公司的rccs ( rotarycellculturesystemrccs )系統相仿。Thermal stress control system actually gather the real - time data of unit sets , compute temperature fields , stress fields and maximum dangerous stress by the math modal , decide target and speedup rotation in every stage of startup process , and justify automatically to realize auto control a serial of processes of turbine , such as speedup , warm - up , connecting net , load changing , stop and unsteady condition etc , and improve automatic level of the unit sets. turbine auto startup ( tas ) system can automatically evaluate steam turbine ' s startup and load changing process according to thermal stress of
熱應力控制系統實際是對機組運行參數進行實時採集與監控,通過數學模型實時地計算高、中壓缸轉子的溫度場、應力場分佈,以及最危險熱應力,以確定啟動過程各階段的目標轉數及升速率,並進行自動調整,實現機組沖轉、升速、暖機、並網、升負荷、停機以及異常工況下的自動控制,大大提高了機組的自動化水平。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;為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便; ( 2 )選擇了8種生物質試樣作了等加熱速率( 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率因子和活化能參數,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速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 )為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間,在體視顯微鏡下對不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,解析推導出了不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率的熱解時間相一致的結果,為閃速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、建立了轉錐式閃速熱解反應器物料滯留時間( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉錐式閃速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率計算方法及臨界轉速理論等。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。In this paper, some off - line manual methods for regulation of flow equation have been compared and analyzed. based on pid speed governor of turbines, two kinds of governors are designed for adjustable - blade pump, which can perform autoregulation on water height of the fore bay and on pump output by adjusting the blade angle of adjustable - blade pump. the computation models of the two kinds of governors are also offered and the transient simulation can be done on pc
文中,比較分析了現有的多種離線手動調節流量平衡的方法,在水輪機pid調速器的基礎上,針對轉槳泵設計了兩種新型調節器,通過改變轉槳泵的葉片安放角,分別能對泵站前池水位和泵的輸出流量進行自動調節;提出了兩種新型調節器的計算模型,使轉槳泵在線自動調節動態模擬得以在微機上得以實現。The speed sensorless techniques for dtc system are very fascinating and challenging subjects recently, they are received wide attention in the literature. some brief description is provided. the proposed approaches are based on speed model of dtc, motor reference adaptive control, the instantaneous reactive power of motor and the extended kalman filter
無速度傳感器調速系統是直接轉矩控制研究領域內一個非常熱門的研究方向,本文介紹了無速度傳感技術的發展歷史及目前的研究狀況,分別利用直接轉矩控制的轉速模型方法,模型參考自適應方法、電機定子反電動勢以及擴展的卡爾曼濾波器等方法設計了無速度傳感器系統,對于其數學模型和系統構成作了比較詳細的推導。From its unique design, the honda multimatic is superior to conventional automatic transmissions using torque converters
從它的獨特設計看,本田的動力混合器優越于使用轉矩轉換器的自動變速器。分享友人