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libration n.1.振動,擺動;平衡。2.【天文學】天平動。短語和例...

libratory

Owing to lack of auotmatic separation of led in our country , we borrow ideas from other countries and design a suit of equipment of automatic dection and separation of led . the equipment consists of several parts : led transportation setup ( disc libration setup , line libration setup ) , equidistant receving setup , detecting system and automatic separation of led . the equipment achieve automatic separation of led and pipelining . the research lay stress on machanical structural design and order action control which achieve automation separation by using pc and plc 可完成led波長和亮度的在線檢測、自動處理和自動分選,實現了led在線分譜檢測與自動分選的流水線作業。自動分選的機械結構設計、動作實現設計和順序動作控制是本論文的重點。自動分選的實現是通過pc與plc的結合完成對plc的順序控制。

Finaly , we provide a proposal of constructing foundation class libration of c + + according to semantic of capsule and protocol , as well as the method to construct the domain class derived from the foundation class . it enable us to construct a formal model for real - time system concurrency which is the foundation of generation of code and also to validate system by formal analyse method 從而使得我們能夠利用這些元素在模型層建立關于一個具體的實時系統的并發性的形式化的uml模型,并可以利用形式化的方法來分析和驗證系統的正確性,同時也對系統運行代碼的自動生產奠定了基礎。

And it has completed the construct of collectivity project and the basic principle of design , system scheme collectivity , item content , data collection of host and assist computer , analysis and data manage system , portable libration data analyse and collection , dcs net contact with mis net , and data longdistance transfers 完成了總體方案的構想及設計的基本原則、總體系統方案、項目內容、主機和輔機數據采集、分析及數據管理系統、便攜式振動數據采集分析系統、與dcs 、 mis聯網及數據遠程傳輸。

Simulation results test that the adaptive controller can eliminate dynamic asymmetry of the output , reduce the effect of the modeling error , restrain the bigger pressure break and libration of the system so as to improve the follow precision and ensure the stability of the system . the controlled system has good follow and repetition performance for these reasons . when we considering the dynamic characteristic of the servo valve , 仿真試驗結果表明:在系統中應用自適應控制器后,消除了系統輸出力正反向的動態不對稱;大大減小了模型化誤差的影響,有效的抑制了系統換向時產生的較大壓力突變和系統振動,提高了系統的跟蹤精度,保證了系統的穩定性,同時使系統具有良好的跟蹤能力和復現能力。

Thirdly , in term of the results of testing and calculation , the displacement and libration , the difference of altitude , the flexibility and strain of crane - beams are all generally analysed , especially the reason why the crane - beams are attaint is lucubrated , and the reasons why the trigging pole is ruptured , the upper wingspan is damaged , the orbital movement , the exceptional incline of colums are open out , which has instructional significances that improve the design of the steel frame of the coke made by dry flameout 第三,根據檢測和計算結果,對鋼框架的位移和振動、框架高差、吊車梁撓度和應變等進行了全面的分析,特別對吊車梁系統的損傷原因進行了深入分析,揭示了制動桿件斷裂、上翼緣磨損、軌道竄動、柱異常傾斜等一系列損傷現象的原因,對于改進干熄焦鋼框架的設計有著直接的指導意義。

Choose two nodes on the edge of the structural to compare the results calculating by the finite element program midas , then we can draw a conclusion that these kinds of space truss systems is sensitive to the libration of the dynamic wind loads . to consider this factor is very necessary in the process of design , we will use the pulsant augmentation coefficient to realize it 比較靜力風荷載和動力風荷載作用下的有限元軟件的計算結果,選取結構邊緣部分的兩個節點,對比它們在兩種方法計算下的最大位移的計算結果。經過比較可以看出重量輕、頻率低、阻尼小的柔性建筑物對風荷載的橫向振動是很敏感的,在進行工程設計時應該考慮這種因素,并可采用乘以風振系數等相應方法來加以體現。

On the part of the design of nine - component thrust vector stand , an automatic hydraulic pressure original position calibration system , a scheme of original position calibration , and the great rigidity universal flexible combinatorial underprop are designed . by using the scheme of “ universal flexible combinatorial underprop plus software digital filter ” , the inherent frequency of test stand is improved , and the problem of test stand libration is solved . then , the resolving method of the disturbance between underprops of the moveable frame is proposed , and the disturbance revise equation is deduced 在推力矢量試車臺設計方面,設計了自動液壓原位校準系統、原位校準方案以及大剛度萬向柔性組合支撐;采用“萬向柔性組合支撐+軟件數字濾波”的方案,提高了試車臺動架的固有頻率,解決了試車臺動架的振動問題;提出了動架約束互擾問題的解決方法,推導了互擾修正方程;研究了九分力推力矢量測量誤差分析方法,并計算了推力矢量測量精度。

Account for the motor control pragram to satisfy guideline of automatic biochemical analyzer . the aforesaid research and develop achievement ' s validity and practical value has been proved by laboratory simulation . the result testified that the system has satisfy great instrument ' s function , raise it ’ s measure definition , reliability , at the same time it depress the cost , restrain the libration and noise 上述研發成果通過實驗室仿真調試證實了其有效性和實用價值,調試結果表明,這種新型的全自動生化分析儀電機控制系統,能較好地滿足儀器功能要求,在提高其精度、可靠性的同時,又降低了成本,抑制了振動和噪聲。

The fractal theory application to fault diagnosis is tried in order to overcome the defec t of wavelet transform to nonlinear signal analysis and complicated machine diagnosis , including the concept , function and application about fractal dimension and the process of applying it to analyze the libration signal of rolling bearing and engine burning 針對小波變換分析復雜非線性機械系統時表現出的力不從心,又嘗試探討了分形理論在故障診斷領域中的應用,討論了分形維數的概念、物理意義和應用,并通過滾動軸承和發動機燃燒振動信號的分析例示探討和展示了應用分形方法進行故障診斷的方法和過程。

The assembly language program collects and processes the data real time . comparing kinds of method of filter and arithmetic of fft , the author select the fir filter to realize pretreatment of signal and radix - 2 fft to distill the characters of librations 通過對各種濾波方法和fft算法進行比較,本套數據檢測和校準處理系統采用fir濾波對采集到的信號進行預處理,利用基2fft算法來提取信號的頻率特征。

Despite the moon ' s rotational and orbital periods being exactly locked , we may actually observe about 59 % of the moon ' s total surface with repeated observations from earth due to the phenomena of librations and parallax 盡管完全地被鎖的月亮的回轉而軌道的期數,我們由于振動和視差的現象可能實際上用來自地球的重復的觀察觀察大約59 %月亮的完全表面。

Librations are primarily caused by the moon ' s varying orbital speed due to the eccentricity of its orbit : this allows us to see up to about 6 more along its perimeter 振動主要地由月亮所引起正在由于它的軌道的古怪改變軌道的速度:這讓我們沿著它的周長見到達大約6更多。

The features of metal screw gear is reducing noise and libration . what is noticeable is : the equivalent plastic straight gear may effectively reduce the noise and libration 金屬螺旋輪通常特點是能降低噪聲和振動值得注意的是,等效的塑料直輪可以更有效地降低噪聲和振動。

Through optimizing design to fulfill strong steel structure , and to ensure the machine weaving abb with high speed , strong power and small libration 通過優化設計而實現的高鋼性機架構造,保證了織機高速、強勁、低振動的穩定打緯。

Therefore it is essential to identify the problems cause by the model structure in the automatic ca libration 此在自動率定的過程中認識到模型結構所導致的問題是非常關鍵的。

Owing to the phenomenon of libration it is possible to observe up to 60 % of the total lunar surface 由于天平動的現象,我們可能觀測到月球總面積的60 。

5 . lessen libration , debase noises , avoid pollution , improve working condition 5能使機械減少振動降低噪音防止污染,改善勞動條件。

Owing to the phenomenon of libration it is possible to observe up to 60% of the total lunar surface . 由于天平動的現象,我們可能觀測到月球總面積的60。