直接反饋系統 的英文怎麼說

中文拼音 [zhíjiēfǎnkuìxìtǒng]
直接反饋系統 英文
direct feedback system
  • 直 : Ⅰ形容詞1 （成直線的; 硬挺的） straight; stiff 2 （跟地面垂直的; 從上到下的; 從前到后的） erect; v...
  • 接 : Ⅰ動詞1 （靠近;接觸） come into contact with; come close to 2 （連接; 使連接） connect; join; put ...
  • 反 : Ⅰ名詞1 （方向相背） reverse side 2 （造反） rebellion 3 （指反革命、反動派） counterrevolutionari...
  • 饋 : 動詞（饋贈） make a present of
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 統 : Ⅰ名詞1 （事物間連續的關系） interconnected system 2 （衣服等的筒狀部分） any tube shaped part of ...
  • 直接 : direct; immediate
  • 系統 : 1. （按一定關系組成的同類事物） system 2. （有條理的;有系統的） systematic
  1. The modulating signals of firing delay angle at the rectifier and firing lead angle at the inverter, and the excitation voltage are chosen to be control variables. the offset of the current of dc line and the extinction angle and the power angle of generator are chosen to be control outputs. then a nonlinear controller is designed for the system under study according to direct feedback linearization theory

    以整流側觸發延遲角的調節信號、逆變側觸發超前角的調節信號以及發電機勵磁電壓作為控制變量，以直流線路電流、逆變側關斷角以及發電機功角的偏移量作為目標輸出，用直接反饋線性化方法設計了系統的非線性控制器。
  2. In the field of automatic control, the states feedback always is one of the most effective methods, however, the states are not available in the most practical systems, therefore the contradiction arises between the exclusiveness of the states feedback and it ' s impracticability

    在自動控制領域中，狀態反饋往往是最為有效的控制策略之一，但是一個系統的狀態往往是不可直接測量的，狀態反饋在性能上的不可代替性和物理上的不可實現性構成了一對尖銳的矛盾。
  3. Finally, a feedback control system of neural network was designed and a special learning method was produced to train the neural network which was applied in the non - linear model of semi - active suspension. the result of test showed ride comfort and handling was improved preferably after the control, and the semi - active suspension system harmonized the vehicle performance with the controller

    最後，設計了神經網路反饋控制系統，採用一種特殊學習（直接學習）方法對其進行訓練，並將其應用於半主動懸架非線性模型的模擬驗證，通過對多種路面激勵輸入條件下的模擬分析表明：該神經網路反饋控制系統可以較好地提高車輛的乘坐舒適性和操縱穩定性，採用這種神經網路反饋控制的半主動懸架，可以較好地協調車輛性能。
  4. A detailed study is made in this dissertation on the applicability of the classical perturbation methods to the dynamical systems with time delays, and on the global view of local bifurcations and the complex dynamical behaviors of several duffing systems under different delayed state feedback control

    本文詳細研究經典攝動法直接應用於時滯動力系統時的有效性及適用性問題，用不同方法系統分析了時滯狀態反饋下的duffing系統關于時滯的大范圍分叉模式和復雜動力學行為。
  5. The results of the experiment show this creative ac variable frequency speed - governing experiment system can realize the load relationship of direct electromagnetic torque between the motor group, get the continuous control process easily for the reaction load and potential energy load during four quadrant, achieve the total availability of the regenerate energy at any kind of load, and the system consumed power make up under 30 % of actual load power at any kind of load

    該方案研究獲得的實驗結果表明：這種具有創新特色的交流變頻調速實驗系統可實現電動機組之間直接電磁轉矩方式的負載關系，可方便地獲得電動機在反應或位能負載特性下四象限運行的連續控制過程，並實現了任意負載方式下再生能量的全部回饋利用，任意負載下系統消耗功率僅占電動機實際負載功率的30 %以下。
  6. In the course of modeling, we present multi - step generalized gradient method and multi - stage curve fitting technique, prove convergence of multi - step generalized gradient method by using differential equation stable theory, analyze the error of multi - stage curve fitting technique by using inner space, creat knowledge base of water network system by using the maximum subordinate principle of and near - select principle of pattern recognition. at last we make the optimal running scheme of water network system based on heuristic search technique of artificial intelligence and global feedback immediate coordination method of large scale system theory

    在建立系統模型的過程中，提出了多步廣義梯度法和多層曲線擬合的建模方法，並用微分方程穩定性理論證明了多步廣度梯度法收斂性，用內積空間的有關知識對多層曲線擬合進行誤差分析;應用模糊數學中的最大隸屬度原則和模糊識別中的擇近原則和人工智慧中狀態空間表示法建立注水系統的知識庫;用人工智慧中的啟發式搜索技術和大系統理論中的具有全局反饋的直接協調法制定注水系統的優化運行方案。
  7. The automation of coal flotation has been wandering for many years in china. the production efficiency is relatively low because of the feed forward control which adds the flotation reagent based on the fine coal in feed slurry, ignoring the quantity and quality of the products. aiming at this problem, method of measuring the flotation technical parameters was studied, the slurry level meter and the slurry ash - measuring device were worked out, and the computer control system of the coal flotation was designed. the feedback control was realized by using the fuzzy logic control control technology to regulate the reagent addition and the slurry level in the flotation tank according to the concentrate ash content detectedby the coal slurry ash - measuring device developed. the industrial experiment indicates that the performance inedxes of the coal slurry ashmeasuring device have come up to the advanced levek of the world. the application of the detection and control system in huaibei coal preparation plant results in a high concentrate recovery, a decrease of the reagent consumption, ensuring a highly efficient operation

    浮選自動化在我國多年來徘徊不前，一直採用根據入浮煤漿中的干煤泥量來確定加藥量的前饋控制方法，而不直接以產品的數質量指標作為控制目標，導致浮選生產效率較低.針對上述問題，研究了浮選工藝參數的檢測方法，開發了浮選漿位儀和煤漿測灰儀，設計了浮選計算機控制系統，它根據煤漿測灰儀旁線檢測的精煤灰分，運用模糊控制技術，通過調整浮選藥劑添加量和浮選機漿位，來實現浮選過程的反饋控制.工業性試驗表明，煤漿測灰儀的性能指標接近國外先進水平.煤泥浮選測控系統在淮北選煤廠的現場使用，使浮選生產在精煤灰分合格的前提下，得到了較高的產率，並降低了藥劑用量，從而保證選煤廠高效率地運行
  8. Abstract : the automation of coal flotation has been wandering for many years in china. the production efficiency is relatively low because of the feed forward control which adds the flotation reagent based on the fine coal in feed slurry, ignoring the quantity and quality of the products. aiming at this problem, method of measuring the flotation technical parameters was studied, the slurry level meter and the slurry ash - measuring device were worked out, and the computer control system of the coal flotation was designed. the feedback control was realized by using the fuzzy logic control control technology to regulate the reagent addition and the slurry level in the flotation tank according to the concentrate ash content detectedby the coal slurry ash - measuring device developed. the industrial experiment indicates that the performance inedxes of the coal slurry ashmeasuring device have come up to the advanced levek of the world. the application of the detection and control system in huaibei coal preparation plant results in a high concentrate recovery, a decrease of the reagent consumption, ensuring a highly efficient operation

    文摘:浮選自動化在我國多年來徘徊不前，一直採用根據入浮煤漿中的干煤泥量來確定加藥量的前饋控制方法，而不直接以產品的數質量指標作為控制目標，導致浮選生產效率較低.針對上述問題，研究了浮選工藝參數的檢測方法，開發了浮選漿位儀和煤漿測灰儀，設計了浮選計算機控制系統，它根據煤漿測灰儀旁線檢測的精煤灰分，運用模糊控制技術，通過調整浮選藥劑添加量和浮選機漿位，來實現浮選過程的反饋控制.工業性試驗表明，煤漿測灰儀的性能指標接近國外先進水平.煤泥浮選測控系統在淮北選煤廠的現場使用，使浮選生產在精煤灰分合格的前提下，得到了較高的產率，並降低了藥劑用量，從而保證選煤廠高效率地運行
  9. During the course of information recommending, the thesis combines content - based filtering with collaborative filtering to find particular information for each user, and it also presents different collaborative filtering strategies. in personalized information retrieval, the thesis takes advantage of the user ' s profile which describes particular user ' s information needs to filter useful information from the retrieval results for particular user and to enhance the accuracy of retrieval

    與以往系統不同，系統無需用戶直接反饋，而是通過其對文檔的訪問頻度、駐留時間及操作行為等來隱式獲取用戶的評價信息；同時，系統也利用用戶候選興趣特徵向量來記錄和累計用戶潛在的、非主要的興趣的變化過程，精度更高。
  10. This paper introduces a method of variable structure control based on the feedback linearization, which can solve the stability problem of the feedback linearization when there are some plots which relative degrees havent definition in the concerned state region

    在非線性系統反饋線性化方法的基礎上，採用了變結構控制，解決了當在所關心的區域內存在相對度無定義的點集時，直接採用反饋線性化方法不能保證系統的穩定這一問題。
  11. Abstract : this paper introduces a method of variable structure control based on the feedback linearization, which can solve the stability problem of the feedback linearization when there are some plots which relative degrees haven ' t definition in the concerned state region

    文摘:在非線性系統反饋線性化方法的基礎上，採用了變結構控制，解決了當在所關心的區域內存在相對度無定義的點集時，直接採用反饋線性化方法不能保證系統的穩定這一問題。
  12. Firstly, a new joint filterbank precoders and decision feedback equalizers structure is proposed, and the corresponding optimization result based on the maximal mutual information criterion is derived. secondly, the concept of dt canonical model is proposed, which is very suitable for the task of blind signal processing based on the second - order statistical of the observations. thirdly, the methods of blind equalization and identification of the tv dispersive channels are researched systematically based on the proposed dt canonical model, and a subspace blind identification algorithm of the time - invariant channel matrix is developed

    本文創新性的成果在於：提出了預編碼-判決反饋聯合均衡系統結構，並從理論推導得出了對應的最大互信息量最優化設計結果；首次提出了時變色散通道的離散正則模型概念，該模型適宜於利用觀察數據的二階統計量進行盲信號處理；基於離散正則模型對時變色散通道進行了系統的盲均衡和盲辨識方法研究，提出了對時不變通道矩陣的子空間盲辨識演算法；針對誤差傳播效應問題，提出了可以消除誤差傳播效應的兩級盲辨識演算法；提出了基於離散正則模型的直接盲均衡演算法；提出了基於特徵恢復思想的神經網路直接自適應盲均衡演算法。
  13. The condition of state feedback is that b is no - singular matrix. the so - called inner weakly coupled system can not be decoupled directly by employing state feedback

    本文揭示狀態反饋可解耦的條件是b ~ *為非奇異矩陣，對于detb ~ * = 0 ， detg 0的弱內耦合系統，不能直接用狀態反饋解耦。
  14. The approach is that we first calibrate the filter radiometer with cryogenic radiometer and measurement equipment of relative spectral responsivity and then calculate the absolute spectral responsivity. because the drift in blackbody temperature directly influnces measurement accuracy, so we adopt a feedback system to stabilize blackbody temperature through controlling the current of blackbody that improves measurement accuracy greatly

    該方法首先要用低溫輻射計及相對光譜響應度測量裝置對濾光輻射計進行標定，經計算可得到濾光輻射計的絕對光譜響應度；由於黑體溫度的漂移直接影響到測量精度，我們採用反饋系統通過控制黑體的加熱電流，來穩定黑體溫度。
  15. Applying the direct feedback linearization ( dfl ) method to design the aircraft automatic landing control system model that is overall non - linearization

    摘要應用直接反饋線性化的方法來設計非線性飛機模型自動著陸全面控制系統。
  16. At first, the original system with twelve - order differential equation is linearized to a six - order system by the dfl theory, and then control laws are designed by classical control method

    首先以飛機原始非線性十二階微分方程為對象，利用直接反饋線性化（ dfl ）理論對飛機原始非線性方程進行線性化，將原系統等效於一個六階的線性系統。
  17. According to this control model this text has already carried on the direct feedback control, conventional digitized pid control system analog simulation. determined the convention control mode controlled parameter and its the control effect. and uses the neural network inversion control method based on this, recognizing and controlling leveling system and has carried on the training and the computer simulation to it

    依據其控制模型，文中進行了直接反饋控制、常規數字pid控制系統的模擬模擬，確定了常規控制方式的控制參數及其控制效果，並在此基礎上採用神經網路逆控制方法，對調平系統進行辨識和控制，並對其進行了訓練和計算機模擬。
  18. Hydraulic elevator is a typical electrohydraulic control system, and the speed feedback control method is advanced technology

    液壓電梯是一種典型的電液速度控制系統，直接轎廂速度反饋控制是一項先進的技術。
  19. Firstly, for the intelligent structure ' s active bars, a constant output velocity feedback control law is dissipation energy due to control action and the optimal mathematical model with the reliability constraints on dynamic stress and displacement was built

    以直接輸出速度反饋作為閉環控制律，基於最大耗散能準則，建立了以主動桿配置位置和控制系統增益為設計變量，具有動力響應（應力響應和位移響應）可靠性約束的壓電智能桁架結構主動桿優化配置的數學模型。
  20. From the experiment and analysis, it can be seen that friction limits realization of high accuracy electro - hydraulic position servo system, movement of any gimbal brings disturbance moment to servo system of other gimbals and the disturbance moment causes error, and, resolution ratio error and setting error of feedback measurement element are directly added to servo system output

    通過實驗和模擬可以看出，摩擦阻礙了轉臺電液位置伺服系統商精度控制的實現，任何一個框架的運動都會對其餘框架的伺服驅動系統產生干擾力矩並引起伺服系統誤差，反饋測量元件的解析度誤差和安裝誤差直接反映在伺服系統輸出上，對伺服系統的精度有直接影響。
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