速動機構 的英文怎麼說
中文拼音 [sùdòngjīgòu]
速動機構
英文
quick acting mechanism-
Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor
在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運行方式以及外部特性的基礎上,通過系統建模和數字模擬分析,分別針對航空低壓直流( lvdc )和高壓直流( hvdc )兩種電動機構用永磁無刷電動機,在小范圍轉速連續調節下的閉環穩速控制技術進行了詳細理論研究,提出了利用轉子位置傳感器信號間接測量電機轉速進行電機轉速閉環穩速控制的策略。Derailleur for bicycles
自行車變速齒輪傳動機構Tachometer drive gear complement
轉速表傳動機構總成Tachometer drive gear wheels
轉速表傳動機構齒輪Design drive mechanism, such as gearbox, drum etc
驅動機構的設計,如減速箱,捲筒等。Ndfeb magnet is mainly made of neodymium iron and boron, with excellent magnetic property abundant raw material and reasonable prices, ndfeb magnet can be used as an ideal magnet in mini - motor permanent magnetic resonance sound device magnetic suspension system, magnetic transmission machine and iatrical apparatus and etc. for ndfeb, its surface is usually treatd with some special methods. the surface treatment method include zine nickel tin silver gold plating phosphor and spray epoxy resin etc
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。釹鐵硼磁鐵容易生銹、氧化,所以對釹鐵硼磁鐵,其表面通常需作電鍍處理,如鍍鋅、鎳、銀、金等,也可以做磷化處理或噴環氧樹脂來減慢其氧化速度。The feedbacks of position, velocity, acceleration and dynamic pressure were applied to adjust the model, so the control system of single jar electrodraulic servo mechanism was built. to reduce the system error and interference error, the compound control was designed. the results of simulations showed that the magnitude attenuation and phase lag of the system come to the project demand
引入包括位置反饋、速度反饋、加速度反饋和動壓反饋在內的反饋控制技術對電液伺服驅動機構模型進行綜合校正,從而建立單缸電液伺服控制系統,並在分析系統誤差和擾動誤差后,加入復合控制減小系統誤差和抑制干擾,模擬結果表明復合控制系統的控製品質有了明顯改善,能夠滿足工程需求。In this paper, the drive theory of the large ratio friction transmission is studied ; a new type elliptical cam wave generator is designed ; the large ratio friction transmission prototype is designed and manufactured ; based on the ansys finite element method software, structure of the elliptical cam is analyzed ; precision index of the manufactured large ratio friction transmission prototype, such as transmission accuracy, least step, stability of the least step, load capacity is measured by the absolute rotary encoder. by analyzing the measurement data and research content, it is think that the new elliptical cam wave generator could overcome a good many problems brought by processing errors, facilitate size precision adjustments, input moment can be achieved in the form of a pure force couple importing ; through this study, " the large ratio friction transmission prototype " could apply in practical engineering basically
本文研究了大速比摩擦傳動的傳動理論;設計了新型橢圓凸輪波發生器,設計製作了大速比摩擦傳動樣機;用軟體ansys對所設計的橢圓凸輪結構進行了有限元分析;用19位絕對式編碼器測試了大速比摩擦傳動機構的傳動精度、最小步距、最小步距的穩定性以及帶負載能力等各項精度指標;對測量數據和研究內容進行了歸納和整理,認為新型橢圓凸輪波發生器克服了加工誤差帶來的諸多問題,新型橢圓凸輪波發生器可以進行尺寸精度調整,能夠達到輸入力矩以純力偶的形式輸入;通過本項研究,基本可以使「大速比摩擦傳動機構」在工程中得以應用。Oscillator mechanism with four - eccentric axes is widely used in modem continuous casting machine. with the increase of operation speeds of the machine, elastic vibrations of the machine parts became much obviously. in order to design the machine reasonably, the complex dynamic property of the system must be studied deeply
結晶器四偏心式振動機構是大型連鑄機上廣泛採用的一種振動裝置,隨著拉速的提高,其彈性振動效應非常明顯,對其復雜彈性動力學性能進行深入研究是合理設計該系統的基礎。Virtual instrument ( vi ) technology and er technology are combined together. the measurement and control system of rera are set up based on vis. the establishing and controlling scheme of the system are introduced
波紋式電流變傳動機構是電流變技術在傳動機械學中的一項突破,它具有響應速度快、能實現無級調節和易於計算機控制等優點。Therefore if the closed planetary gear train and the differential plahetary gear train set up a multistage mixed gear train, we will obtain a winch on automobile crane which satisfy the request of double speed, great transmission ratio and small volume
因此將差動和封閉行星輪系組成多級混合輪系,就可得到一種滿足汽車起重機上的卷揚機雙速、大傳動比、小體積要求的傳動機構。In this paper, a rub disc movement decomposition organization is firstly analyzed and proved to be a nonholonomic system. in fact, it is a speed changing mechanism the radio of which is variable
本文分析了一種摩擦圓盤傳動機構的運動原理,證明了該結構的為非完整機構的條件,並總結出該結構的實際上為我們可以認為非完整傳動機構實質上就是一種變傳動的變速機構。As a new - style land vehicle, the magnetic levitation vehicles rely on electromagnetic forces to suspend the train on the railway and advance by linear synchronous motor. they can run placidly at high speed without wheels and transmission machines. since the magnetic levitation vehicles have low maintenance prices and circumstance pollution, they have favorable development foreground
作為新型的陸上交通工具,磁浮列車依靠電磁力將列車懸浮於軌道上,用直線電機推進,它沒有車輪及相應的傳動機構,與地面無機械接觸,可以高速、平穩地運行,並且運營維護費用低,無環境污染,具有良好的發展前景。The tap - changer is made with solid state relay as its working mechanism and controlled by microprocessor. this switch has totally cancelled the mechanical drive organization, by the microprocessor according to the voltage of second side microprocessor decide the working condition of solid state rely, high regulation speed, need not transition resistor, rush current is low. operating frequently ; there is no electric arc to produce, can put in the fuel tank of the voltage transformer directly ; the structure is simple, the fabrication cost is low, benefit and use widely among the voltages transformer of distribution
其中的有載調壓分接開關,它是一種完全由固態繼電器作為分接開關執行機構,由單片機控制的有載自動調壓的變壓器分接開關。該開關完全取消了機械傳動機構,由單片機根據變壓器二次側電壓的高低,決定與變壓器各分接頭聯接的固態繼電器的工作狀態。調節速度快,改變分接頭時不需過渡電阻,沖擊電流小,可頻繁操作;無電弧產生,可以直接放在變壓器油箱中;結構簡單,造價低,便於在配電變壓器中推廣使用。2. the splitting method, enclosed planetary transmission sketch method and structure sketch method are used to deduce the transmission ratio formulas on several structures of the single - stage and double - stage spatial - cycloid - ball gearing respectively. further more, the simplified calculating formulas on one - tooth - difference and two - tooth - difference spatial - cycloid - ball gearing are given
2 、分別運用拆分法,封閉行星機構的傳動簡圖和結構簡圖推導出單級和雙級的多種結構的傳動比公式,並給出一齒差、二齒差球面擺線鋼球傳動機構減速比的簡化計算公式。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。This series sealer is in the function on continuous carry, seal and print in one operation, and e nable to horizontally, vertically and with s tand, the machine adopts electronic constant temperature mechanism and stepless speed adopts electronic constant temperature mechanismand stepless speed adjusts transmission mechanism, it can seal plastic film in various kind of materials
本系列封口機具有連續輸送、封口、印字一次完成之功能、並可臥、立、落地式使用,採用電子恆溫控制和無級調速的傳動機構,用於各種材料的塑料薄膜。This paper presents structure, operation, performance of various variable apeed drives for in - use wire - rope driven belt conveyors, as well as application of explosion - proof variable frequency variable speed device on wire - rope driven belt conveyor in coal mine
摘要分析比較了在用的鋼繩牽引帶式輸送機調速驅動機構的結構組成、工作原理、性能,介紹了防爆變頻調速裝置在煤礦井下鋼繩牽引帶式輸送機上的使用情況、優點等。The satss is an antenna pointing servo system with ultra - low speed and high accuracy, driven by a rare earth permanent magnet ( repm ) brushless dc torque motor. to reduce torque ripple, the repm brushless dc torque motor has a slotless armature, and uses sinusoidal wave driven technology
衛星天線跟蹤伺服系統為超低速高精度天線指向控制系統,該系統使用稀土永磁式無刷直流力矩電機作為天線的驅動機構,為降低轉矩脈動,電機採用無槽電樞結構設計,並使用正弦波驅動方式。3 each critical component of the operation mechanism is researched from theory and practice : accumulation energy, driving motion, buffering, tripping. each acting force of the operation mechanism is considered, especially the dynamic mathematic model of the moving parts is established. with numerical calculating method, the speed character of opening and closing is also calculated
3 、著重從理論和實踐上研究操動機構各個關鍵部分:儲能、傳動、緩沖、脫扣等部分,充分考慮機構中各力的作用情況,特別是建立了運動部分的動力學數學模型,採用數值計算方法計算了分、合閘過程中的速度特性。分享友人