閉鏈系 的英文怎麼說

中文拼音 [liàn]
閉鏈系 英文
cloged chain series
  • : Ⅰ動詞1. (關; 合) close; shut 2. (堵塞不通) block up; obstruct; stop up Ⅱ名詞(姓氏) a surname
  • : Ⅰ名詞1. (鏈子) chain Ⅱ動詞(用鏈栓住) chain; enchain Ⅲ量詞(計量海洋上距離的長度單位) cable length
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  1. The first one : fitting together ultimate values of every dimensions in one dimension - chain one by one, educing many equations by itself, calculating results, and comparing these results of close dimension to find maximal and minimal values. the second one : projecting all dimensions on two preestablished axis, then providing the solutions to analyze whether every projected dimensions is increscent or decreasing, and synthesize the effect of every projected dimensions to close dimension, educing many equations by itself, at last calculating the result of close dimension. the third one : according to monte carlo analysis, getting every dimensions " values from every dimensions " tolerances at random time after time, simulating the actual circumstances of mass production using these dimensions, and calculating reasonable results of close dimension economically

    鑒于這類統在各大中小型企業的廣泛應用與相對滯后的研究水平,本文提出了三種新的能切實地解決目前尺寸計算機輔助分析解算中存在的各種難題的設計方案,第一種方案將尺寸中各組成環能取的極值組合起來,自動列方程組,求解每個組合情況下的封環尺寸,最後比較這些結果,得出封環的最大最小值;第二種方案將尺寸各組成環向預先設定好的兩個方向投影,之後再分析各尺寸環投影分量的增減性,並且提供了組成環兩個方向上的投影分量增減性不一的復雜情況下的解決辦法,綜合組成環各投影分量的增減性,然後自動列出方程組,最後根據各組成環的投影分量以及所列的方程組來確定尺寸環的尺寸;第三種方案以蒙特卡洛法為原理,在尺寸各組成環的取值范圍內使用計算機產生大量隨機數,模擬實際大批量生產中的零件尺寸分佈情況,以更經濟更合理的方式分析、計算封環尺寸。
  2. On the contrary, in - parallel actuated micromanipulators have the advantages of more rigidity and accuracy, higher load capacity, and simple inverse kinematics, therefore they can be used to replace conventional serial ones to meet the rising need for higher precision in this dissertation, position kinematics of a micromanipulator with serial - parallel structure is studied

    相反,並聯機構具有運動、剛性好、無關節誤差累積、運動精度高,且運動學逆解求解非常簡單等優點,使得這類機構非常適合於用作微操作機器人機構,因而,研究基於並聯機構的微操作機器人統具有現實的工程意義。
  3. This paper also use non - linear feedback decoupling theory to decouple die vector - control close - loop system into linear decoupling of rotor speed and rotor flux linkage subsystems. the speed regulator and flux linkage regulator of these two linear subsystems can be designed with classical linear theory

    本文同時還應用非線性反饋解耦理論將矢量控制的統分解為線性化的轉速子統和轉子磁統,兩個子統中的速度調節器和磁調節器可按線性理論設計。
  4. Besides the design of the hardware construction for shape meter, the software system written in visual basic 6. 0 is also developed. the real - time data acquisition and conversion system worked in interrupt mode is accomplished by means of loading dynamic linkage library of pcl - 812pg enhanced multi - lab card. the converted data processing will be operated then, for example, scale operation, comparison, graphic display, data storage, etc. the adjusting values for the shape control are also calculated in it

    本文在參考大量帶材標準板形、軋制初始量設定、調節量計算研究的基礎上,確定了標準板形模型、設定模型、調節控制模型等數學模型;並給出了其相應的演算法;完成了板形儀計算機控制統的硬體設計,並在此基礎上,應用高級開發語言visualbasic6 . 0 ,通過加載pcl - 812pg多功能數據採集卡的驅動程序后,調用動態接庫( dll )中的函數的方法,完成了信號中斷方式下的實時數據採集,採集的數據經計算機作標度變換、對比、圖形顯示、存儲等處理,並提供了用於板形環控制的調節量。
  5. Single speed motor drive connected to a helical worm gear and a totally enclosed connecting gear box with heavy duty chain drive to the rolls and with fixed friction ratio according to customers request ( normally 1 : 1, 2 )

    統帶有同螺旋渦齒輪以及全封齒輪箱的單速馬達,它帶有重型傳動統並可根據客戶的需要固定摩擦比(通常為1 : 1 . 2 ) 。
  6. Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail

    針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向,本論文重點做了以下幾個方面的工作,目的在於提高dtc統的綜合性能: ( 1 )提出一種新型的速度磁觀測器,新型的速度磁觀測器採用自適應環磁觀測器代替傳統的積分器從而提高磁觀測的精度,並且根據popov超穩定性理論推導出轉速的新型自適應收斂律; ( 2 )改善統的低速運行性能,主要從提高低速時對定子磁的估計精度入手,提出了一種提高定子磁觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子電阻參數; ( 3 )採用數字信號處理器dsp實現統全數字化硬體控制,結合ti公司生產的tms320lf2407晶元,設計了直接轉矩控制統的實驗裝置; ( 4 )提出了基於sercos總線網路化分散式的直接轉矩控制統, sercos ( serialrealtimecommunicationsystem )是目前最適合同步和協調控制的串列實時通信協議; ( 5 )基本勾勒出整個控制統的硬體和軟體設計基本框架,詳細描述一些實驗中的具體的細節問題。
  7. Abstract : a new data structure that one link - list was composed of polygon - surface table, edge table and vertex table was proposed to describe the geometry information and topology information of control polyhedron m in the rese arch of modeling with closed surface. compared with other structures which were a pplicable to the work, the structure was understandable, economize and conveniently to modify. after describing the detail of the geometry information, topology inf ormation included in the tables of polygon - surface, edge and vertex, and the poin t - link form of the adjacency multilist between the tables, a concise instance was given in clanguage array

    文摘:介紹了在曲面造型研究中,為描述控制多面體m的幾何信息和拓撲信息而設計使用的一種單三表的數據結構.與其他適用與描述控制多面體的數據結構相比,該結構在結合了鄰接多重表方法后的特點是:關描述清楚,節省存儲空間,方便查找和交互修改形體.在介紹單中三表(面表、邊表、頂點表)所含的幾何信息細節、以及單的三表之間的表示面、邊、頂點拓撲關的指針的鄰接多重連接方式之後,本文給出了以c語言數組方式簡明描述的數據結構實例
  8. In this paper point to point control, constant frequency control and up and down frequency control are studied, in which current lagging loop control method is used to restrict over currents. and using flux tracking method, position open loop, position close loop control system are also studied. and research results indicate that larger current ripples are restricted by means of subdividing space vectors

    本文以永磁同步電動機為研究對象,分別對同步電動機的點動控制、恆頻控制以及升降頻控制進行了分析與研究,研究中採用了電流滯環控制方法,可有效地限制過電流現象;此外採用磁跟蹤法對位置開環和位置環的步進控制統分別進行了探討與研究,研究表明,採用矢量細分后,可有效地減小電流波動。
  9. In the process of close - loop vector - control system, the author designed a model of current delay - loop pwm vector - control wvf system which includes speed and magnetic double close - loops and rea lized it in simulink

    環控制統的模擬中,設計了一個速度、磁環的電流滯環型pwm變頻調速統,並且使這個統在simulink中加以實現。
  10. In this paper, the casimir energy for various string loop systems, such as closed bosonic strings, multiloop strings and connected string loops is calculated. we compare the results of different systems and discuss some related topics

    本文在前人探討的分段均勻玻色子弦的基礎上,計算了幾種不同弦體的casimir能量,特別對多圈弦、接環等弦體進行了討論。
  11. In this paper emphasis is put on the application of the wavelet technique into the system and the local segmentation problem preliminarily solved existing in the extant bone - age recognition system. the traditional chain - length concept is dixcarded and the percentage concept of the chain is proposed. no related reports can be found in the literature. the chain is proposed

    隨后,筆者重點研究了小波技術在微機骨齡診斷統中的應用,初步解決了目前骨齡統中存在的局部分割問題,拋棄傳統的長觀念,提出了的百分比概念,國內外文獻未見有相關報道;針對分割結果的不封性,採用邊緣點生長的方法,有效地解決了區域的封性。
  12. Finally, these departments ca n ' t establish the information system and logistic system which can quick respond to the customers relate to cost. quality deliverable our country economy system is changing, it is changing from socialism planning economy to market economy. it is very important for us to research the supply chain management, we can learn from the foreign country " s enterprise practice. our goal of use of scm is controlling inventory, improving supply quality and strengthening the competitive capability

    我國航空企業特別是材料采購在傳統計劃體制與運作模式下,多數是自成一個封統,不重視對供應的管理;製造商、供應商和經銷商缺乏長期合作的戰略夥伴關,相互之間缺乏以信任和共同獲利為基礎的價值,沒有形成滿足顧客在成本、質量、交貨時間等方面的要求而反映敏捷的物流和信息流。我國正在由計劃經濟體制向市場經濟體制轉變,研究國外近來發展迅速的供應管理理論與方法並應用於gj航空公司的實際,對控制庫存、提高服務水平、增強市場競爭能力,有重要的現實意義。
  13. Furthermore, under the vector control strategy of stator field - orient, a vector control model will derive from the generator, which form a close control system with the generator model

    本文利用定子磁定向的矢量控制方法,將同步坐標下的雙饋電機數學模型簡化后得到矢量控制統的模型;矢量控制模型與雙饋電機模型一起構成環控制統。
  14. The design of the new mis must be thought systematically. be more specific, it should base on the factual situation that the enterprise is facing within its industry, identify the factors of the formation of the corresponding scm system and the principles of the re - design for the business process. human force should be emphasized, mis in anyway is eventually a managerial tool

    本文認為:企業自身必須擁有核心的產品或服務;企業環內的信息統應用必須有相當的基礎;根據企業經營在產業中的實際情況,首先確定出相應供應管理組織統的構成要素以及業務流程重新設計的原則,然後採用統思考的方法設計出企業管理信息統;管理為先,信息統終究是服務于管理流程重組的工具。
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