機械傳動比 的英文怎麼說
中文拼音 [jīxièzhuàndòngbǐ]
機械傳動比
英文
register ratio- 機 : machineengine
- 械 : 名詞1. (器械) tool; instrument 2. (武器) weapon 3. [書面語] (枷和鐐銬之類的刑具) fetters, shackles, etc
- 傳 : 傳名詞1 (解釋經文的著作) commentaries on classics 2 (傳記) biography 3 (敘述歷史故事的作品)...
- 比 : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
- 機械 : 1. (利用力學原理組成的各種裝置) machinery; machine; mechanism 2. (死板; 刻板) mechanical; inflexible; rigid
-
Compared with traditional mechanical and optic gyros, hrg has such advantages as no high speed circumvolving or moving parts in structure, no warm - up time and short start - up time, wide signal band in frequency, low excursion noises, great endurance in over loading, nuclear radiation and short time power off, small bulk, light weight, low power cost and long life, which is suitable for space applications
與傳統的機械陀螺和光學陀螺相比,半球諧振陀螺具有如下優勢:結構上無高速轉子、無活動部件;不需預熱,啟動時間短;信號頻帶寬,漂移噪聲低;能承受大的機動過載;抗核輻射,並可經受短時間電源中斷的影響;體積小,重量輕,功耗低,壽命長,非常適合空間應用。This design absorbed the goods of traditional electric driven screw elevatory stages. lt followed the mechanical - electrical - hydraulic combined idea to analyze the key technic of the total mechanism. the history facts of elevatory stage were discussed. features of various stages were compared ; the developing trends of it and the utilization of hydraulic driving system were discussed
文中介紹了升降舞臺的歷史與現狀,詳細分析和比較了升降舞臺的各種傳動方式及其優缺點,探討了升降舞臺的發展方向與趨勢,闡述了機電液一體化技術在舞臺機械領域的應用前景,以及採用液壓傳動驅動升降舞臺的可行性與實用性。Digitai emulation on fluid drive system of sugarcane mill & plc integrated control on the productive line for grinding cane in sugar - refinery abstract the fluid drive system of sugarcane mill is adopted on the productive line in the sugar - refinery in broad and few used at home
液壓傳動甘蔗壓榨機與機械傳動甘蔗壓榨機相比,具有明顯的優勢。它在國外糖廠壓榨提汁生產線應用較多,在國內應用極少,研究更少。Being a sort of new principle micromotor in the fronitier of science. the ultrosonic motor ( usm ) is developed at recently twenty years. utilizing the stator surface particle elliptical motion excited by piezoceeramics, the usm is drived by friction force between the stator and rotor. compared with the conventional electromagnetic motor, the ultrasonic motor has the following features : high speed, high holding torque when power is off and so on. because of it ' s characteristics, the ultrasonic motor has obtained some widespread application in robots, precise instrument, house electronical appliance, sapceecraft automobile and micromechanism
超聲波電機( ultrasonicmotor )是近二十年來發展起來的一種新原理電機,其原理不同於傳統的電磁型電機,它是利用壓電陶瓷的逆壓電效應使定子的表面質點產生橢圓運動,通過定子和轉子之間的摩擦力驅動轉子運動。這種新型的電機與傳統電磁電機相比,具有響應快、不受電磁干擾、結構緊湊、低速、大扭矩、斷電自鎖等優點,因而在微型機械、機器人、精密儀器、家用電器、航天器、汽車等方面顯示出廣泛的應用前景。The most important feather in this design is that the number of motors have controlled only in two and de - scend the motors on the base. ( one motor used for turn motion of the base, whereby maked the manipulator motion in throughout space. another motor used to drive the manus ) excepted for adopped synchronization bell which have light weight and accu - rate gear ratio to reliefed relatively the weight of manipulator ' s device
在本設計中除了採用材質輕而又傳動比準確的同步帶傳動可以相對減輕手臂傳動機構的重量之外,最主要的特點足將電機數量控制在兩臺(一臺用於底座的回轉運動,從而實現機械手在整個空間的運動;另一臺用於驅動手臂的運動)並將電機下置於底座。This paper researches and analyses the developments of web technology and magnetostrictive transducers from world wide region. the paper also analyes the characteristics curve of magnetostrictive transducers based on its equivalent circuit and researches the method how to make sure its syntony frequency and its electric simulation network parameters. at the same time, by using jsp technology, a magnetostrictive transducer electric simulation application is designed based on b / s three - tier system structure. the experiment data is fitted by curve fitting module. the equivalent input impedance of it with stimulate loop is separated based on the results of curve fitting and the syntony frequency and electric simulation network parameters of magnetostrictive transducers is determined by the input impedance. the method presented in this paper can determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers with a better accuracy than the testing method of syntony & anti - synton y. further more, jsp, the advanced technology at current, has been used to realize a magnetostrictive transducer web electric simulation system. the system has good human computer interface and the function of resource sharing and information publishing. the research of this paper and its achievements have some practical merits in the researchful and applied fields of magnetostrictive transducer
用java編程語言編寫的曲線擬合模塊,對輸入的實驗數據進行了最小二乘法的曲線擬合;根據曲線擬合結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時由機械振動形成的等效輸入阻抗,並由此輸入阻抗確定磁致伸縮換能器的諧振頻率及電氣模擬網路參數。本課題提出的方法與傳統的諧振?反諧振法相比,能更準確地確定磁致伸縮換能器的諧振頻率及其電氣網路參數。同時,採用當前比較先進的web技術,實現了基於jsp的磁致伸縮換能器web電氣模擬系統,該系統具有良好的人機界面和資源共享、信息發布功能。It is reported that the mechanical failure accounts for most of the aviation accidents, and among them, the wear faults occupy a considerably large proportion rate. based on the traditional ferro - graph and spectral analysis technology, and with the introduction of computer vision and information fusion technology, this article focus on the study of aviation engine abrasion diagnoses in the fields of debris analysis and information fusion
據統計,導致飛行事故的主要因素是機械故障,其中,磨損類故障又占很大比例,本文就以傳統的鐵譜分析技術和光譜分析技術為基礎,引入計算機視覺與信息融合技術,開展基於磨粒分析和信息融合的航空發動機磨損故障診斷技術研究。2. dynamics analysis : by setting up jacon matrix differential coefficient sport is passed to descartes space. it makes terminal executing manipulator produce differential coefficient of acceleration and force in every different coordinates can be got. then the effective inertia, coincident inertia and gravity load of two manipulators are calculated by lagrange method. so generalized joint torque of each joint is got, and along with equivalent driving torque, actual driving torque of each joint can be worked out. 3
動力學分析:建立雅可比矩陣將關節空間的各關節的微分運動傳遞到笛卡爾空間,使末端執行器位姿產生微分運動,以用於求加速度及力在不同坐標系間的線性變換,再用拉格朗日法計算兩機械手的有效慣量、偶合慣量、重力載荷,從而計算得到各關節的廣義關節力矩,並與等效驅動力矩共同算得各關節的驅動力矩。Design engineers now selecting pmbldc motors over conventional dc or induction motor drives for the following reasons : 1 ) the absence of brushes results in an essentially maintenance free operation and eliminates the undesirable effects of commutation such as sparks, brush - loss, radio - frequency interference, etc. 2 ) the low inertia of the rotor enhances the quality of the mechanical response of the motor, shortening the acceleration and deceleration time. 3 ) utilizing rare - earth permanent magnet materials with high coercive force results in substantially higher efficiency than their counterpart with brushes of the same size. 4 ) because of the absence of commutation segments, the stator construction is simple
現在的工程師們更為青睞永磁無刷直流電動機是因為以下幾點原因: ( 1 )去除了電刷的永磁無刷直流電動機徹底地免除了維護而且消除了我們不希望的由於換向帶來的火花、電刷損耗以及無線電干擾等等; ( 2 )低轉動慣量的轉子提高了電機機械響應的質量,從而縮短了電機加速和減速的時間; ( 3 )高矯頑力稀土永磁材料的使用使得同樣尺寸的永磁無刷直流電動機比傳統的直流電動機效率高; ( 4 )由於沒有機械換向部分定子的結構簡單了。In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology
為使二維振動傳感器在兩主軸方向的靈敏度大致相同,敏感元件採用高度對稱的四梁結構,其中每個軸向上均採用帶折疊梁的雙側叉指電容結構,採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件,具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算,並利用有限元法進行了模擬分析,根據模擬結果得出了優化參數;在確定敏感結構的基礎上,研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析,利用差動測量技術得到由振動引起的微小電容變化量,經c - v介面電路進行相位調制處理,然後通過解調輸出與加速度成正比的電壓信號。With the development of multi - variable control technology and aero - propulsion technology, future excellent engine must have the character, which is high ratio in thrust and weight low fuel and long use life. therefore the control system of aero - engine has also been becoming more and more complicated. the precision of control system is also extra higher
隨著高推重比、低油耗、長使用壽命、高機動性航空發動機的研製,現代航空發動機需要控制的變量越來越多、精度越來越高,因此,航空發動機控制系統變得越來越復雜,傳統的航空發動機控制系統是採用機械液壓控制。Based on the analysis of the kinetic track of the scallion during planting, basic relationships ' among the characteristic parameters of the transplanter with two flexible metal disks, including the velocity of the transplanter, the rate of transplanting, the spacing between seedlings, the angle of releasing seedlings, the diameter and length of seedlings, have been set up in this paper, and then a mathematic model of optimum design for the transplanter with the final planting angle of seedlings ( y = 90 ) has been formulated and solved with good results. according to the optimum solutions, a new type of transplanter with two flexible metal disks has been developed and the field tests of the transplanter have been conducted
為了實現大蔥機械化移栽,作者分析了國內各種移栽機的結構特點,確定了以撓性圓盤式栽植器為研究對象,在分析撓性圓盤式栽植器的運動軌跡和特徵參數的基礎上,完整地確立了撓性圓盤式移栽機的基本參數:栽植頻率、栽植株距、機組前進速度、輸送帶上秧槽的間距、撓性圓盤半徑、撓性圓盤的轉速、夾苗株數以及傳動比之間的相互關系,並建立了以蔥苗栽植傾角= 90為目標的優化設計數學模型,提出了撓性圓盤式大蔥移栽機的優化設計方法。Tys165 bulldozer is of power shift, hydraulically controlled and track - type. it features good performance, flexible operation, good quality, high efficiency, especially used in waterlogged area
Tys165推土機系液力機械傳動、液壓操縱、低比壓履帶推土機。該機性能優良,操作靈活方便,質量可靠,工作效率高,特別適合沼澤地和含水量比較高的松軟地帶使用。Through comparison of new and old roving machines, the technique progress and development of new roving machine characteristic of simpler driving, more advanced controling, easy operating and well tension control and high speed are introduced from mechelectronic angle of view
摘要通過新老粗紗機的對比,從機電一體化的角度介紹了新型粗紗機的技術進步的特徵,由此使機械傳動系統簡化,控制器和執行器更先進,操作和調換品種方便,自動控制最佳卷繞張力和實現高速紡紗。Compared with routine hydraulic - mechanic transmission, it has many merits, such as excellent performance, compact structure, convenient handling and low price and so on. therefore, it has been used widely. in our country, as one of the key projects, it has been developed and researched
與常規的液力機械傳動相比,汽車金屬帶式無級變速傳動具有性能優良、結構簡單緊湊、操作方便、造價低等優點,因而在國外轎車上獲得了大量應用,我國也將轎車金屬帶式無級變速器的開發和研製列入國家重大科技攻關計劃。The forward axis and the back axis use a uniformity fluid system. except the motors and the pipelines of the two system, the others parts are consisted of a single mobile power station. this is a one advantage of fluid drive system comparing to mechanical drive system
壓榨機頂輥採用單獨的一套液壓系統,前後輥合用一套液壓系統(主要是共用液壓油箱) ,將上述兩個液壓系統組合成一個可移動的模塊式動力站,這種模塊化的結構也是液壓驅動系統對比機械傳動系統的優勢之一。Tys120llgp bulldozer is rigid suspended, power shift, hydraulically controlled and track - type. it is applicable for the extra requirement of the ground pressure
Tys120超濕地推土機系剛性懸掛、機械和動力換檔變速傳動、液壓操縱的結構型式,是一種能滿足使用工況對接地比壓有特殊要求的濕地型履帶推土機。 。Last, semantic analysis of prepositional phrases is applied to requirement analysis system for mechanical transmission. by system testing, it turns up trumps
最後,將介詞短語的語義分析應用於機械傳動需求分析系統,通過測試,結果比較令人滿意。In the calculating process. the function of liquid proportion control was discussed. especially to the synchronic control system and the dynamic character of synchronic error and the motor circuit. lt also discussed the relationship between the hydraulic system parameter and the transmission system. in the transmission unit. the mechanical function of main parts has been optimized and calculated. good results gotten. the stress and deformation of the frame joints and poles were calculated using structure mechanics method. the character of the screw pole were analyzed
同時,為提高設備整體的性能,對機械傳動單元中重要部件臺面框架與絲杠的機械性能進行了優化與計算,重點運用結構力學的分析方法對臺面框架各節點與桿件的受力與變形做了精確的計算,並對絲杠的耐磨性、剛度、穩定性進行了可靠性分析,保證了設備的總體精度,提高了設備的可靠性,得到了比較理想的結果。The bic method generalized from ar model was adopted to determine the number of input neurons in grnn prediction model. the grnn was applied to single - step and multi - step ahead prediction of the vibration time series of a rotating machine, and its performance was compared with that of 3 - layers perceptrons network with error back propagation training algorithm ( bpnn ). it is indicated that the grnn is more appropriate for prediction of time series than the bpnn, and the performance of grnn is qualified even with sparse sample data
研究了基於廣義回歸神經網路( grnn )的大型旋轉機械振動狀態預測,提出了應用bic準則確定grnn預測模型輸入神經元數目的方法,將grnn用於大型機組振動峰?峰值時間序列的預測,與採用誤差反向傳播學習演算法的三層前饋感知器網路( bpnn )的預測結果對比表明, grnn的預測性能優于bpnn ,而且,即使樣本數據稀少,也能獲得滿意的預測結果。分享友人