閉合誤差 的英文怎麼說

中文拼音 [chā]
閉合誤差 英文
closing error
  • : 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
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : Ⅰ名詞(錯誤) mistake; error Ⅱ動詞1 (弄錯) mistake; misunderstand 2 (耽誤) miss 3 (使受損害...
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • 閉合 : close; shutting; synizesis; synezesis; occlusio; closure; make; occlus-; occluso-
  • 誤差 : error
  1. 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, they are widely used in automation, communication, mechanics engineering, medicine field and so on

    而並聯機構具有運動鏈封、剛性好、無關節累積、運動精度高,且運動學逆解求解簡單等優點,因此非常適於用作微操作執行器機構,廣泛應用於自動化技術、機械製造工程、醫療技術等領域,具有廣闊的發展前景。
  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,並聯機構具有運動鏈封、剛性好、無關節累積、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系統具有現實的工程意義。
  3. Comparing and analyzing the synchronous control strategy, which brings up the new method to control the double un - symmetry jars proceed synchronously with the combination of proportional valve and servo valve, which forms closed loop control ; basing on the above methods, models are made to get mathematics models of position control system and to analyze system model theoretically by using pid controller, we can realize regulating parameters, minimizing synchronous errors and enhancing the dynamic performances ; the simulink tool box in matlab software is used to imitate the system according to the model, which not only makes the result visual and easy to adjust the parameters in interactive way but also lets us understand the effects of different parameters and optimizes the dynamic properties. the theory of plc control in dshp is discussed after advanced understanding of the system movements. hardware design and general regulation are given on the base of siemens company products s7 - 200 plc

    本文根據大量的國內外文獻,對研配液壓機的工作原理及設計結構進行了簡介;對位置同步的控制方法進行了比較分析,提出比例閥和伺服閥復控制的環結構來對非對稱雙缸進行同步控制電液比例同步控制方案;在此基礎上著重對比例閥控非對稱缸建模,最後得到位置控制系統的總體數學模型,從理論上對同步系統動態特性進行了分析,並用pid控制器進行參數整定,減小雙缸同步、提高系統的動態響應性能;其中控制性能的分析藉助于matlab軟體中的simulink工具箱,由已建立的數學模型形成模擬模型,得到可視化的模擬結果,從而利於交互方式下調整參數,了解不同的參數對系統的影響,優化同步系統的動態性能;在深入了解系統的動作特性后,對plc控制研配液壓機的原理進行了探討,針對siemens公司s7 ? 200型plc給出了硬體設計的總體規劃,編制出研配液壓機動作控製程序,在編程中著重研究位移傳感器與plc的通訊、雙缸同步運行的pid控制在plc上的實現及bcd碼撥盤輸入程序的植入問題。
  4. The steady - state errors of current closed loop system with pi current regulator in stationary and synchronous frames are compared using complex vectors. also, the corrector of rotor displacement control is studied by the root locus method

    應用復矢量概念,對比了靜止坐標系和同步旋轉坐標系pi電流調節器組成電流環系統的穩態,並用根軌跡法對轉子位移控制系統的校正環節進行了研究。
  5. Switch states of mc are obtained when the output voltage error function is minimized, thus the optimum combination of switch states is derived for the closed - loop control of mc

    根據最小函數確定矩陣變換器開關模式,實現了系統環控制時開關狀態的優化組
  6. It is shown that the proposed scheme guarantees the stability of the closed - loop system and achieves tracking performance idex, meanwhile the influences of external disturbance, neural network approximation error and the cross - coupling of input to output on the tracking error are reduced to a prescribed level

    該方法不僅保證了環系統的穩定,而且使外部干擾、神經網路逼近及輸入對輸出的交叉耦對跟蹤的影響衰減到給定的水平。
  7. And so on, the mathematical model and transfer function of the tracking system are built, and the feasibility of the tracking control system design is demonstrated. furthermore, the static error of the system with a unit incline input is deduced. a majority of model of unit is based on analytics, so the general model can apply to other optical intersatellite communications systems

    在此基礎上,將atp跟蹤控制子系統視為線性定常系統,通過解析法和實驗法對子系統的各個控制環節的單元器件進行理建模,得出整個環路總的開環及環傳遞函數,論證了本課題所設計的atp跟蹤控制環路的可行性及其視軸輸入為斜坡信號時的理論穩態
  8. Under rayleigh fading channel, we also simulated and compared ber in siso 、 simo and mimo systems. secondly, based on careful study the ber and the channel capacity under white noise channel under mpsk modulation when the channel is rayleigh fading, we duduced the expressions of stbc ’ s ber and channel capacity under rice and nakagami fading. and also analysed the performances through numerical simulation using matlab to testify the exactitude of the dudeced expressions. finally, there exists an error floor of stbc through studying on its performance on time - selectiv fading channel. we analysed the reason and proposed two new decode combination scheme to eliminated the error floor and the performance of stbc on time - selective fading channel is improved. and also compared the two scheme ’ s complication and snr gain

    這些結果大部分是式結果,能比較準確地衡量空時塊碼的性能,並對不同衰落的性能做了相互比較,其結果對空時塊碼的實際應用具有一定的指導意義。實際的通道是時變的,分析了空時塊碼在時間選擇性衰落通道中產生地板效應的主要原因是存在碼間干擾( isi ) ,在此基礎上提出了兩種能消除地板效應的譯碼併方案,並對這兩種方案的復雜度和信噪比增益進行了比較。
  9. Specifically, according to the w - w five parameters failure theory, the fracture criterion of crack is established, and the state of crack ( open or close ) is judged by the values of the crack strain. combining the two points, the predict - model about the failure of concrete material is established. this predict - model can predict 16 failure forms, and basing the different failure form predicted after crack, the stress - strain relationship matrix of concrete material is adjusted

    具體來講,根據w - w的五參數混凝土破壞理論,建立混凝土的開裂準則,根據開裂應變值來判斷裂縫是張開還是,從而在兩者基礎上建立了裂縫的開裂預測模式,總共有16種開裂模式;裂后根據具體的開裂模式及殘余抗剪能力來調整混凝土的本構關系矩陣,即用等效剛度代替原有剛度,考慮到垂直於裂縫方向的剛度為零,這樣會使裂后的總剛出現病態,為此文中通過引用鬆弛系數來對出現裂縫的單元進行預處理,一方面可解決因過大的舍入導致計算結果的不可信問題,另一方面就是可加速收斂。
  10. Comparatively, the instrument error of open system is bigger than that of closed system especially under the lower photosynthesis

    比較而言,開路系統的儀器路系統大得多,尤其表現在低光水平下。
  11. The algorithm of strapdown inertial navigation system is also discussed and then use the flight - track generator to give a simulation, since a closed loop feedback integrated navigation system is designed in this paper, and the output of the filter must feed back to the strapdown inertial navigation system, the analysis of the algorithm in strapdown inertial navigation system is important. the scheme to design the trajectory of gps and the simulation of gps constellation are then studied, the simulation of gps constellation is given from the calculation of vernal equinox base on the principle of celestial mechanics, this method of different from other methods given by other paper and is useful to the research of satellite navigation system. a new method to abstract noise modal in integrated navigation system is proved to be useful in practice, this method, which is given by use the principles of stochastic processes, statistics, time series analysis, and system identification, is suitable for the kalman filter in integrated navigation system

    如航跡產生器的設計,該航跡產生器是研究組導航問題的前提,從國外一些研究組導航系統的文獻中可以看出,設計這樣一個航跡產生器是非常必要的,所以本文自行設計了這樣一個系統;還討論了捷聯慣性導航系統中捷聯解算的方法,並進行了模擬研究,由於在本文設計的環反饋式組導航系統中,對捷聯慣導系統的平臺進行環控制,需要將濾波器輸出的校正量反饋到捷聯解算內部,所以必須對捷聯解算進行深入的研究和分析,更何況捷聯解算問題本身也是導航界的一個熱門研究課題;另外,本文還介紹了gps軌道及其星座模擬的設計思想和方案,與以往gps軌道和星座模擬不同的是本文從天體力學中計算春分點開始,逐步進行gps軌道及其星座模擬,這樣的設計方法對從事衛星導航的研究工作是有價值的;還對組導航中建模方法進行了研究,綜運用隨機過程、概率統計、時序分析及系統辯識等方面的理論提出了一套適導航卡爾曼濾波的建模方法,並運用實際研究工作中的測量數據對該方法進行了驗證。
  12. By use plc, system can complete function as follow : this auto - control system be applicable to the temperature and smoke and dust the deal the variety quick, control the process is difficult with the operation is ; by the temperature controlor can automatically follow to the wet tower " exit temperature, error in the ? 3 v including ; by to automatically spray fog to lower the electric resistance, with the function for full the electricity equipment accepting the dust ; because of adopting feedback closed loop, and come to a to respond to the speed quick, constant temprature control the accuracy is high ; because of adopting the sensors, and make the system circumstance to leak water quick ; system have many control parameter can set exit control temperature and adjust value low limit by key ; can communication with remote computer and have remote control

    通過使用plc ,使該自控系統可以完成如下功能:適用於溫度及煙塵量變化快、控制過程難以操作的場;通過溫控表自動跟蹤增濕塔出口溫度,達到3以內;通過自動噴霧來降低粉塵比電阻,以此充分發揮電收塵器的作用;由於採取了環反饋迴路,達到了響應速度快,恆溫控制精度高;通過使用各種檢測傳感器,使得異常情況泄水快;該自控系統具有多套控制參數,增濕塔出口控制溫度及調節閥下限值可通過按鍵設定;可與上位機通訊,具有「現控遠控」功能。
  13. On the other hand, inertial navigation must be integrated with extraneous information feedback to form a stable and closed - form integrated navigation system, so as to limit the error accumulation

    另一方面,慣性導航必須引入外部信息反饋,形成穩定的環的組導航系統,以抑制慣性導航的發散。
  14. One is, based on answering the above open problem on a finite dimensional euclidean space by means of partially ordered theory, to research the existence of solutions, global error bounds of proximal solutions and sensitivity of parametric unique solutions and present a class of variable - parameter three - step iterative algorithms for generalized set - valued variational inclusion problems by using - resolvent operator of set - valued mapping. two is to consider the convexity, closedness and boundedness of the solution set of general set - valued variational inclusion problems and the sensitivity of the parametric solution set by means of graphical convergence theory. three is to discuss directly the existence of solutions by using analytical methods for set - valued mixed quasi - variational - like inequalities and suggest a class of direct variable - parameter three - step iterative algorithms for solving generalized set - valued variational inclusions

    研究分有三個方面:一是藉助于偏序理論在有限維歐氏空間中解決了上述公開問題,在此基礎上利用集值映射的-預解運算元,研究了廣義集值變分包含問題解的存在性、逼近解的全局界、參數唯一解的靈敏性,並提出了一類變參數三步迭代演算法;二是藉助于圖收斂理論研究了一般集值變分包含問題解集的凸性、性和有界性以及參數解集的靈敏性;三是用分析的方法直接討論了集值混擬類變分不等式問題解的存在性並提出了一類求解廣義集值變分包含問題的直接變參數三步迭代演算法。
  15. Based on the obtained lower bounds on mean squared channel estimation errors, the limits on bit error rate ( ber ) for maximal ratio combining ( mrc ) with gaussian distributed weighting errors on independent and identically distributed ( i. i. d ) fading channels are presented

    通過對不同衰落通道多普勒譜的積分,求出了相應的通道估計均方下界的表達式,並在此基礎上得到了分集系統在獨立同分佈的衰落通道中採用最大比併時的碼率下界。
  16. The results show that although there are somewhat systematic errors in the coupled model, the model simulates the basic features of seasonal cycle and interannual variability of sea surface height to the considerable extent, in order to examine the impact of indonesian through flow ( itf ) on the seasonal cycle and interannual variation of sea surface height, a sensitivity experiment is accomplished, in which the indonesian passage is closed fully in the coupled model

    結果表明,盡管耦模式存在一定的系統,但仍然能相當程度上夠模擬出海面高度季節和年際變化的基本特徵。同時為檢驗模式中印度西亞穿越流( itf )對海面高度季節和年際變化的影響,本文還進行了印度尼西亞海道完全關的敏感性試驗,與控制試驗結果對比表明,印尼穿越流對季節變化的影響不大,但可以顯著影響熱帶太平洋和印度洋年際變化的特徵。
  17. The observed quantity of the sins / od is the velocity ' s differences between sins and od, and the sins / od also adopts a closed kalman filter to estimate and correct the errors

    用捷聯慣導系統解算出的速度量和里程計所測量的速度量之作為組導航系統卡爾曼濾波器的觀測量,利用環卡爾曼濾波技術進行估計與校正,並給出了系統模擬結果。
  18. It is known that flat areas and closed depressions often arise because of low quality input data, interpolation errors during dem generation et al.,

    Dem中的窪地和平坦區域是由於低質量的資料輸入、生成dem時的內插等引起的。
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