closed loop tracking 中文意思是什麼

closed loop tracking 解釋
閉環跟蹤
  • closed : adj. 1. 關閉著的,封閉著的;密閉著的;保密的。2. 〈美國〉準備好了的;定了契約的。3. 【語音】閉音節的。
  • loop : n 1 (用線、帶等打成的)圈,環,匝,框,環孔,線圈;【醫學】(常 the loop)宮內避孕環。2 環狀物,...
  1. Using lyapunov stability theory, it has been shown that the control scheme guarantees that all the variables of closed - loop system are bounded. moreover, the mean - square tracking error can be made arbitrarily small by choosing some design parameters appropriately

    Lyapunov穩定性分析結果表明,本文所提出的控制器保證了閉環系統內的所有信號都是有界的,通過選擇適當的設計參數,可以使跟蹤誤差的均方根任意小。
  2. As the application of rake receivers with multitaps is widely used in cellularcdma systems for exploiting path diversity, the closed - loop power control schemesshould make use of the multitap rake receivers for tracking the power variation dueto path loss, slow fading, and fast fading

    同時,本文給出的自適應變步長閉環功率控制演算法利用rake接收機跟蹤通道的變化,與傳統的固定步長閉環功率控制相比獲得了較小的ebi0標準差。
  3. In this dissertation, we studied the tcra1101plus total station position system, which introduced the principle and characters of the instrument ' s closed loop tracking system. also we explained the cause of prism ' s position error and brought forward mathematic model to correct, moreover, the good results has been drawn form the expenriments. the kinetic survey system have been realized, which the sampling rate attain more than 5hz and the position precision can be less than 2mm on condition that targeted - point moving slowly at the velocity below 2cm / s. having finished the survey system to examine whether the fine - tuning stewart platform in good status, we have finished mensurating the position reference of the fine - tuning stewart platform and the offset of the prism

    在此基礎上研製了多臺儀器在線控制高頻采樣動態跟蹤測量系統,采樣率大於5hz ,在跟蹤小於2cm / s低速運動目標時,測量精度好於2mm ;完成對饋源二次精調系統的檢測,包括對二次精調平臺位置基準的標定和觀測棱鏡偏心差的測定;設計不同動態測量實驗,對全站儀動態跟蹤的誤差來源和特點進行了分析;從實驗角度,對全站儀的測量時滯及其穩定性進行了測試分析,給出了定量的結果;比較了全站儀和計算機的內部時間系統,發現兩者存在較大差異。
  4. The global asymptotical tracking of given trajectories is achieved and the boundedness of all signals of the resulted closed - loop system is also guaranteed

    兩種設計方案都實現了對給定目標軌線的全局漸近跟蹤,保證了閉環系統所有信號全局一致有界。
  5. 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

    該方法不僅保證了閉環系統的穩定,而且使外部干擾、神經網路逼近誤差及輸入對輸出的交叉耦合對跟蹤誤差的影響衰減到給定的水平。
  6. The mrafc scheme employs a reference model to provide closed - loop performance feedback for generating or modifying a fuzzy controller ' s knowledge base. the adaptive compensation term of optimal approximation error is adopted. by theoretical analysis, the closed - loop fuzzy control system is proved to be globally stable, with tracking error converging to zero

    該方案利用參考模型作為閉環系統的反饋信號來產生、調節模糊控制器的規則庫,並通過引入最優逼近誤差的自適應補償項來消除建模誤差的影響,不但能保證閉環系統穩定,而且可使跟蹤誤差收斂到零。
  7. It was proved that the tracking error converges to the prescribed boundary layer and all the signals in the closed - loop system were bounded

    演算法保證閉環系統所有信號的有界性且使得跟蹤誤差收斂于任意設定的飽和層內。
  8. After analyzing compensation conditions for 3 - axis stabilization to overcome disturbance from ship surge, sway and yaw, two control strategies - feed - forward compensation and closed - loop feedback compensation - are given. these two strategies are applied to antenna stabilized tracking system with good performance. intelligent pid is used in closed - loop feedback compensation to get high tracking precision and rapid response

    重點分析了天線穩定控制系統的三軸補償條件,提出了穩定系統抑止載體擾動的控制策略:對于橫滾和俯仰系統採用前饋補償的控制策略;對于方位系統,在以步進電機為驅動元件的特定條件下,研究了變控制周期的閉環反饋策略,同時成功將智能pid演算法應用於實際系統,提高了系統的跟蹤精度和響應快速性。
  9. The state of closed - loop control system is proved to be bounded with tracking error converging to zero

    證明了閉環模糊控制系統全狀態有界和跟蹤誤差收斂到零。
  10. The state of the closed - loop control system is proved to be bounded with tracking error converging to zero

    同樣證明了閉環模糊控制系統全狀態有界和跟蹤誤差收斂到零。
  11. Combining, switching adaptive control and neural network, a new adaptive control algorithm which can adjust continuously is proposed. the tracking and convergence properties of the closed loop are proved

    摘要將開關自適應控制與神經元網路相結合,提出了一種新的能連續調整的自適應魯棒控制演算法,給出了其閉環系統的跟蹤收斂性證明。
  12. It is also shown that all the signals in the closed - loop are bounded and the resultant tracking error lies within the confined dead - zone, by which the complete tracking over a pre - specified time - interval is achieved

    提出初始修正吸引子的概念,構造的時變死區含這種初始修正吸引子,以使得閉環系統在給定時間區間上可實現完全跟蹤。
  13. This model was composed of a tracking process model based on activity network diagram and multi sub closed loop processes, a boolean matrix description model of tracking sections and associations among sections, a matrix style organization structure and a quality problem driven organization model

    該模型包含基於活動網路圖的多個閉環子過程的追蹤過程模型、追蹤過程節點及節點間聯系的布爾矩陣描述模型,以及矩陣式的管理組織結構和以質量問題為驅動的組織模型。
  14. Based on the built mathematic model for lunar robber a two - closed - loop tracking control strategy is proposed. this proposed strategy applies single neural sliding mode control method for nonhomonomic constraints, fuzzy control method for uncertain conditions and lagrange optimization calculation for the redundancy of the inputs

    考慮到系統模型中存在的非完整特性、參數不確定性和冗餘輸入,分別採用單神經元滑模變結構方法、模糊控制方法和拉格朗日極值法來設計控制器。
  15. Abstract : in this paper a new adaptive neural network controller is presented for a class of continuous - time nonlinear time delay systems subject to modeling uncertainty. the neural network model requires a priori knowledge about plant dynamics to provide prediction models for time delay systems. an adaptive controller based on neural networks was developed to produce the desired tracking performance in uncertain conditions. stability of the closed - loop system is proved by the lyapunov method. the effectiveness of the proposed scheme was demonstrated through its application to the control of a continuous stirred tank reactor

    文摘:針對模型不確定性的連續時間時滯系統,提出了一種新的神經網路自適應控制.系統的辨識模型是由神經網路和系統的已知信息組合構成,在此基礎上,建立時滯系統的預測模型.基於神經網路預測模型的自適應控制器能夠實現期望軌線的跟蹤,理論上證明了閉環系統的穩定性.連續攪拌釜式反應器模擬結果表明了該控制方案的有效性
  16. In the last part of this thesis, closed loop experiments, which is based on pd control strategy, have been made to verify tracking performance of the base joint cell

    最後,完成了基關節位置閉環控制實驗。採用pd位置控制演算法實現了基關節位置控制器,並通過實驗驗證其軌跡跟蹤性能。
  17. Abstract : iterative learning control is an effective approach to the control of processes that are repetitive in nature. in this paper, an open - closed - loop pi - type iterative learning control scheme for the precise tracking control of a class of discrete nonlinear time - varying systems over a finite time interval is presented. the scheme updates control input with tracking errors of both current and last iterations simultaneously. sufficient and necessary conditions which guarantee the convergence of the scheme are given and then proved with inductive method. finally, the conditions are verified with simulation results

    文摘:對于具有重復運動性質的對象,迭代學習控制是一種有效的控制方法.針對一類離散非線性時變系統在有限時域上的精確軌跡跟蹤問題,提出了一種開閉環pi型迭代學習控制律.這種迭代律同時利用系統當前的跟蹤誤差和前次迭代控制的跟蹤誤差修正控製作用.給出了所提出的學習控制律收斂的充分必要條件,並採用歸納法進行了證明.最後用模擬結果對收斂條件進行了驗證
  18. The controller can guarantee the global boundness of all closed - loop signals, tracking error to converge exponentially to a small bounded neighbourhood of zero

    所設計的自適應控制器既能保證閉環系統所有信號的全局有界性,又能使輸出跟蹤誤差以指數速度收斂到零的一個小鄰域內。
  19. Control objective is to design a control law so that all signals in the closed - loop plant are bounded and the tracking error e ( t ) = y ( t ) - ym ( t ) is small enough, where ym = wm ( s ) r, where r rm is a pieccwise continuous uniformly bounded signal, and r l,

    控命目標是設計控命律使得閉環系統的所有信號都有界,同時使跟蹤誤』差叫) g … )一巾)盡可肯地且,這里w ;二叭i (小其中, er 』 」是分段連續的參考信號,且, , 7 el 。
  20. Closed loop tracking

    閉環跟蹤
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