等效延性系數 的英文怎麼說

中文拼音 [děngxiàoyánxìngxìshǔ]
等效延性系數 英文
equivalent ductility factor
  • 等 : Ⅰ量詞1 （等級） class; grade; rank 2 （種; 類） kind; sort; type Ⅱ形容詞（程度或數量上相同） equa...
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. The conventional variable structure control technique for uncertain system requires that the uncertainty bound is known as a premise to assure robustness. the requirement creates an over - conservative controller and enlarges chattering. the proposed controller regards the influence of unknown disturbances and parameter uncertainties as an equivalent disturbance and generates an on - line estimation used in smc to cancel the slowly varying uncertainties by the mechanism of time delay. the reaching law approach is used to get the conditions and band of quasi - sliding mode. the new methodology offers a robust feedback control with much lower gains and reduces chattering without a prior knowledge of the uncertainty bounds or matched conditions

    常規變結構控制用於不確定系統，須利用不確定性界確保系統的魯棒性，控制器過于保守且抖振變大.本文把未知干擾和參數不確定性的影響等效為名義系統的外界干擾，利用時延技術對干擾進行在線估計，並將估計值引入到變結構控制中，從而抵消掉系統中的慢變不確定性，利用離散趨近律法，推出了準滑動模態的存在條件及其帶寬.該方法克服了以往控制方法中須已知不確定性界的限制，且不必滿足匹配條件，用較低的控制增益保證了系統的魯棒性，降低了準滑動模態帶即削弱了抖振
  2. Abstract : the conventional variable structure control technique for uncertain system requires that the uncertainty bound is known as a premise to assure robustness. the requirement creates an over - conservative controller and enlarges chattering. the proposed controller regards the influence of unknown disturbances and parameter uncertainties as an equivalent disturbance and generates an on - line estimation used in smc to cancel the slowly varying uncertainties by the mechanism of time delay. the reaching law approach is used to get the conditions and band of quasi - sliding mode. the new methodology offers a robust feedback control with much lower gains and reduces chattering without a prior knowledge of the uncertainty bounds or matched conditions

    文摘:常規變結構控制用於不確定系統，須利用不確定性界確保系統的魯棒性，控制器過于保守且抖振變大.本文把未知干擾和參數不確定性的影響等效為名義系統的外界干擾，利用時延技術對干擾進行在線估計，並將估計值引入到變結構控制中，從而抵消掉系統中的慢變不確定性，利用離散趨近律法，推出了準滑動模態的存在條件及其帶寬.該方法克服了以往控制方法中須已知不確定性界的限制，且不必滿足匹配條件，用較低的控制增益保證了系統的魯棒性，降低了準滑動模態帶即削弱了抖振
  3. There are many plants that have the character of time - varying, large delay, large inertia in the process of production of modern power station such as the superheated steam temperature, the reheated steam temperature, the water treatment of boiler and the load regulation. some of them have the strong character of nonlinear and some of them are multivariable coupling systems it is very difficult to obtain good effect of control by conventional pid control. it is necessary to set up the mathematics models of controlled plants if applying control means of modern control theory such as self - adaptive control, optimal control ， decoupling control and predictive control. and these control systems have large calculation and bad character of real time in general. these disadvantages make them be not able to meet the need of real production process and limit the application of them in modern power station. now the generator units are developing towards large capacity and high parameters. many new kinds of generating electricity means are coming into being. the characers of production units of power station become more and more complex but the demand to quality of control becomes more and more strict. the new control means are in bad need to control them effectively

    現代電站的生產過程中存在過熱汽溫、再熱汽溫、鍋爐水處理、負荷調節等許多大遲延、大滯后、特性時變的對象，它們中有些還是具有強非線性特性的對象或多變量耦合系統，採用常規的pid控制手段很難取得良好的控制效果。若應用現代控制理論中的自適應控制、最優控制、解耦控制、預測控制等控制手段，則需要建立被控對象的數學模型，而且往往控制系統的計算量大、實時性差。這些缺點使其很難滿足實際生產過程的需要從而極大地限制了其在現代電站中的應用。
  4. In order to evaluate system capacity. putting out system efficiency, update cycle of measure data, incident transmission delay. analyzed each parameters. deduced out calculation formula of each parameters

    為了對所設計的系統容量進行評價，提出了系統效率，測量量更新周期，事故傳輸延時等幾個系統性能參數，並對幾個參數的物理意義進行了分析，進一步推導出了性能參數的計算方法。
  5. The tingjing group is in putting into effect the course of mrpii system, a mrpii does not only regard one set of software to come to popularize and is regarding a management model to recommend ; by way of mrpii system and computer network, each department and post can be covered by the system on universal ground a staff can get any information that relates with oneself vocational work by way of the cross - domain communication at any time, gain the various policy decision supports of real time quantification, carrying on operation process imitates, not only can quicken the rate of progress planning the work such as formulation and cost accounting etc greatly, and still economize that the report form and data shortened whole vocational work period in the delay that the difference function circulated between the department, and retrenched the personnel of work, and raise the efficiency managing work conquer the solid foundation for business process reengineering ( bpr ), takes mrpii as the foundation, bpr has been in progress in the company and builded performance " s evaluation system

    引入mrp管理系統是提高管理水平的一個有效途徑。天健集團在實施mrp系統的過程中，不是把mrp僅僅作為一套軟體來推廣而是作為一個管理模式來引進的；通過mrp系統和計算機網路，各部門和崗位可以普遍地被系統覆蓋，員工通過網路隨時可以得到與自己業務有關的任何信息，取得實時量化的各種決策支持，進行業務流程模擬，不僅可以大大加速了計劃制訂、成本核算等工作的進度，還節省了報表、數據在不同職能部門之間流通的延誤，縮短了整個業務周期，精簡了事務性的人員，提高了管理工作的效率。還為實現組織的扁平化提供了條件，為流程重組打下了堅實的基礎。
  6. By analyzing the design principle, the paper devised an image source signal alternated with black and white strip and it has a good effect. meanwhile, the system demand of imaging link was analyzed, such as light source, lens and camera etc. in addition, the principles of both the correlation algorithm and generalized correlation time delay estimation based on adaptive technology were studied, and a comparison between them was made as well

    本文中分析了圖像源信號的設計原則，並設計了一種黑白相間的傾斜條紋圖案作為圖像源信號，獲得了良好的測量效果;分析了測量系統對光源、鏡頭、相機等成像環節的要求;研究了相關演算法和基於自適應技術的廣義相關時延估計法兩種數據處理演算法的原理，並對兩種方法的性能進行了比較。
  7. Core system 0 receives, processes and transmits data from monitoring and client terminals, including internet delay management, identity management, data validity, accuracy and reliance management ; internet accident management ( connection interruption, data timeout ) ; emergency data recovery

    核心系統- -用於接收，發送及處理來自監控端和客戶端的所有數據，包括:網路延時處理，身份認證，數據的有效性，準確性及可靠性的判斷;意外情況（如:連接中斷，數據超時）的處理;緊急數據恢復等
  8. In order to study the main effected factors of the aseismic performance of concrete dampers, experiment of dampers in forms of concrete ductile columns was conducted subjected to low cyclic loading, the damage pattern, hysteresis behavior, ductility factor and equivalent viscous damper factor of the dampers were obtained

    摘要為考察混凝土延性柱耗能器抗震性能的主要影響因素，通過對多根延性柱耗能器的低周反復荷載試驗，得到其破壞形態、滯回特性、延性系數、等效黏滯阻尼系數等參數。
  9. Details behavior as bellows : ( 1 ) the damping force of the damper with concrete ductility column is higher, and the final damping force smoothly decreases. ( 2 ) the ductility ratio of the damper with concrete ductility column is larger, so it has good ductility and its most level displacement is 1 / 14 ~ 1 / 8 of the column height. ( 3 ) the hysteretic curve of the damper with concrete ductility column is plumper

    具體性能如下: （ 1 ）混凝土延性柱耗能器的阻尼力比較高，後期阻尼力下降比較平緩; （ 2 ）混凝土延性柱耗能器的位移延性系數較大，具有較好的延性，最大水平位移達到柱高的1 / 14 1 / 8 ; （ 3 ）混凝土延性柱耗能器的滯回曲線飽滿; （ 4 ）混凝土延性柱耗能器中延性柱屈服后等效粘滯阻尼系數迅速增大，消耗地震能量的能力增大; （ 5 ）混凝土延性柱耗能器中每根延性柱的破壞形態基本一致，表現了良好的共同工作性能。
  10. This thesis introduces wireless senor network ’ s application and architecture, and then advances the request to wireless senor network ’ routing arithmetic, including correctness, simplicity, robustness, energy saving property, speediness, in addition, the author developed lose rate, data efficient rate, energy efficient rate, network life, delay in addition, the author developed time to represent feature. and give the basic structure of wsnsimuate program

    本文介紹了無線傳感器網路的實際應用和體系結構，並在此基礎上提出無線傳感器網路對路由演算法特性的要求，包括正確性、簡單性、健壯性、節能性、快速性，又提出使用丟包率、數據有效率、能量有效率、網路壽命、延遲時間等指標來表徵這些特性。然後給出wsnsimulate程序的基本數據結構。
  11. In terms of strength and ductility, the concept of specified yield point is put forward. based on the principle that under the same condition ( that is, the size of cross section, material strength and reinforcement ratio are identical ), the resultant ultimate moment must be identical, the compression failure of frp reinforced concrete beam is equal to the tension failure for the viewpoint of design and calculation

    從強度與延性兩方面的綜合考慮，提出了纖維增強塑料筋名義屈服點的概念，對發生受壓破壞的纖維增強塑料筋混凝土梁，按照同樣條件下（截面尺寸、材料強度、截面配筋率等均相同）截面承載力相等的原則等效轉化為受拉破壞進行設計與計算，以此確定纖維增強塑料筋的強度折減系數_ f 。
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