time delay mechanism 中文意思是什麼

time delay mechanism 解釋
延時裝置
  • time : n 1 時，時間，時日，歲月。2 時候，時刻；期間；時節，季節；〈常pl 〉時期，年代，時代； 〈the time ...
  • delay : vt 延遲，拖延，耽擱。 We ll delay the party for two week 我們要把會期延遲兩周。 The train was del...
  • mechanism : n 1 （機械）結構；機械裝置[作用]；（故事的）結構。2 【哲學】機械論 （opp vitalism）。 3 【文藝】...
  1. The future characterization and genetic analysis for candidate mutant were carried out and find that some candidate mutant ( such as roi30 doil - 1 doi0311131 ) have good phenotype by drought h2o2 aba - stressed treatment. at the same time we also observe the development of candidate mutant at different growth stages carefully. many modal difference between mutant an d wild type at the same period were found, such as more rosette layering fatty and big in leaves, advancment or delay for the flower period, rosettes living in the main stem, shorten in figure, the amount of seed little, sterilization etc. these physiological and modal changes may reflect with maladjustment in expressions of some gene and confusion on their inner control, . we will futher study concrete and detailed function mechanism

    我們對這些擬南芥侯選突變體進行進一步的鑒定和遺傳學分析，發現ro口口、 doil 、 doi口jlll3i等潛在突變株對aba 、過氧化氫及早脅迫有明顯表型，同時對潛在突變體的生長發育進行了詳細的觀察，發現多數潛在突變株與同條件下野生型比出現了許多明顯的形態改變，如:蓮座基葉增多、分層、肥大，花期提前或延遲，主莖生輪座，株型矮化，產籽量少，不育，敗育等，這些生理和形態上的差異很可能反映了它們內部某些基因的表達受到了影響、代謝調控發生了紊亂，具體和詳細的作用機制還需要進一步的研究。
  2. 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
  3. 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
  4. However, cfb technology itself is developing fast, and the combustion process of cfb is highly non - linear, with high uncertainty, large time delay and high multi - variable coupling, making the process complicated. so far, the research on the combustion mechanism and its fuzziness is immature, therefore, there is no good model for real - time control of the process

    但是，迄今為止循環流化床鍋爐仍然是一種工藝上不斷改進的新型鍋爐，它的燃燒過程具有高度的非線性、不確定性、時變和大滯后，及多變量耦合嚴重等復雜特性，尤其是目前對其燃燒機理和模糊化的研究不太成熟，還沒有能用於實時控制的完善的模型。
  5. One of the characteristics of gprs service different from real - time voice service is that it requires very low erroneous frame rate. the accuracy of packet data can be guaranteed through the mechanism of retransmission, which, however, leads to longer transmission delay and low payload in spite of busy channels

    Gprs業務不同於實時語音的一個特點是它要求有很低的誤幀率，這可以通過重傳機制保證分組數據的正確，但重傳將使傳輸時延大、通道盡管很忙但有效的負荷卻低。
  6. The especial mechanism of signal transmission over internet induces some problems, for instance, time - varying communication delay, dropout and synchronization. firstly, this paper presents some primary problems and related control schemes for internet based telerobotic systems, for example, supervisory control, predictive display control, event based control and passive control, and so on

    Internet網路系統由於其特殊的信號傳輸方式和機制，信號在傳輸過程中會出現時延、丟包、亂序和同步等問題，而且這種時延是隨機時變的，甚至是不確定的，這就使得網路遙操作系統的控制更具有復雜性和難度。
  7. 5. a adaptive multimedia synchronization control mechanism based on the leak - bucket algorithm is proposed. it estimates the range of delay according to the practical network load by making use of the time - stamp of the medium units, and adjusts dynamically

    提出了基於漏桶演算法的自適應多媒體同步控制方案，該方案利用媒體單元的時間戳，對延時及延時抖動進行動態估計，及時了解網路負載的變動情況。
  8. All the electric safe protection devices now being used function only one time protection when the equipment is out of order, i. e., they can ' t delay the on / off of 220v. once industrial equipment, household appliances and instruments and meters have troubles in mechanism or electronic elements because of overflow, overload, overheat or short circuit and furthermore, one time overheat switch can ' t start to function, there is no second protection device that will cut off the circuit timely, accurately and quickly, to protect the electric equipment

    根據消防部門統計，我國目前電器引起火災屢見不鮮（見1999年8月31日上海文匯報第12版報導經消防部門統計，我國目前電器引發的火災，高居火災起因為第一位） ，如以相同用量相比，我國觸電導致死亡人數是發達國家幾十倍甚至上百倍，而且這類事故的發生很大程度是與劣質電器元件有關。
  9. In distributed system which is created by the replication technology of sql - server, users can access, update both local data and remote replicative data. but because of the delay through network, local concurrency mechanism ca n ' t be aware of real - time operational status of other computers. even if there are conflicts in the system, each site ca n ' t gain real - time information

    利用sql - server的復制技術構建的分散式應用系統中，用戶可以訪問、更新本地的及復制到本地的數據，由於網路傳輸上的延遲，系統的並發控制機制不可能實時地了解其它計算機上的操作情況，即使發生沖突，也不可能實時得到反饋。
  10. Neural networks can be viewed as a universal approximator for nonlinear functions, but the multi - layer feed - forward neural network which be used usually is a static state network in nature, it is disagree with the real - time identification for dynamic system. moreover, recurrent neural networks can simulate the state memory mechanism of dynamic system, so it can be utilized as the model of dynamic time delay system

    神經網路具有逼近任意連續非線性函數的能力，但常用的多層前饋式反傳網路本質上是一種靜態網路，不適合動態系統的實時辨識，而遞歸神經網路能夠實現對動態系統狀態記憶機制的模擬，因此更適合於作為動態時延系統的模型。
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