矩陣調制 的英文怎麼說

中文拼音 [jǔzhèndiàozhì]
矩陣調制 英文
matrix modulation
  • 矩 : 名詞1. （畫直角或正方形、矩形用的曲尺） carpenter's square; square2. （法度; 規則） rules; regulations 3. [物理學] moment
  • 陣 : Ⅰ名詞1 （作戰隊伍的行列或組合方式） battle array [formation]: 布陣 deploy the troops in battle fo...
  • 調 : Ⅰ動詞1 （配合得均勻合適） harmonize; suit well; fit in perfectly 2 （使配合得均勻合適） mix; adju...
  • 制 : Ⅰ動詞1 （製造） make; manufacture 2 （擬訂; 規定） draw up; establish 3 （用強力約束; 限定; 管束...
  • 矩陣 : [數學] matrix; array
  1. Modern control theory has arisen with the advent of high - speed digital computers and characterized by the state variable concept with emphasis on matrix algebra and with analysis and design principally in the time domain

    現代控制理論是隨著高速數字計算機的出現而產生的，主要特點是使用狀態變量的概念並強調矩陣代數和主要在時間域進行分析和設計。
  2. In this thesis, studies are focused on as follows : ( 1 ) based on analyzing the general transfer - matrix, the conception of the generalized double layer soil model is proposed, and the transfer - matrix ( r ) of half - infinite elastic mass is introduce - d to the analytic expressions of stress and settlement under the uniform circular, rectangular and strip vertical loads in multi - layered soil ; ( 2 ) according to the analytic expressions of the additional stress and settlement under unifo - rm circular in multi - layered soil, rectangular and strip vertical loads, the programs are develop - ed to resolve and debugged. the results show that the programs are correct ; ( 3 ) through calculating the coefficient of additional stress on the central axis of uniform circ - ular vertical loads, under the corner point of the uniform rectangular vertical loads, and on the central axis of uniform strip vertical loads, and the settlement on the center of uniform circular vertical loads and uniform rectangular loads in double - layered soil, the characters of stress and settlement are discussed ; ( 4 ) a case, as an example, is studied with different calculation methods, such as traditional theory, fem. the results obtained are compared

    本文在已有研究成果的基礎上進一步開展了以下幾方面的研究： （ 1 ）在對層狀地基傳遞矩陣法中的總傳遞矩陣分析的基礎上，提出了廣義雙層地基模型的概念，並把半無限體的傳遞矩陣r引入到多層地基在圓形垂直均布荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應力與沉降的解析式中； （ 2 ）根據多層地基在圓形荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應力與沉降的解析式，編制了程序，調試通過並驗證了其正確性； （ 3 ）通過對雙層地基圓形垂直均布荷載中心軸線上的附加應力系數和荷載中心沉降，矩形垂直均布荷載角點下的附加應力系數和荷載角點沉降及條形垂直均布荷載中心軸線上的附加應力系數進行的計算，探討了雙層地基中的附加應力與沉降特性； （ 4 ）應用本文的層狀地基體系理論對一個工程實例進行了計算分析，並與傳統的計算方法的計算結果和有限單元方法的計算結果進行了對比分析，結果表明利用層狀地基理論計算更能反映地基中附加應力分佈的實際情況。
  3. A niched - penalty approach is used to transform this optimal kinematical design problem to an unconstrained one. a kinematic accuracy comparison of the genetic designed fine - tuning stewart platform with the quasi - newtonian designed one is made. the comparison results have shown that the kinematic accuracy of the genetic designed fine - tuning stewart platform has a much higher accuracy and a compact structure than that of the quasi - newtonian designed one, which guarantees the accomplishment of high precision trajectory tracking and reduces the disturbance of wind to the feed - supporting system

    以並聯機器人jacobian矩陣的條件數為優化設計的目標函數，提出了基於遺傳演算法的並聯機器人最優運動學性能結構參數優化設計方法，採用實值遺傳演算法，對精調stewart平臺進行了優化設計，得到了最優運動學的精調stewart平臺結構參數，為實現新一代大射電望遠鏡饋源指向跟蹤系統高精度軌跡跟蹤控制奠定了堅實的基礎。
  4. Mc closed - loop control method based on dsvm is presented, in which the rms value of output line voltage is taken as feedback and pi regulator is adopted

    提出了雙空間矢量調制矩陣變換器的輸出電壓有效值閉環的控制方法，將矩陣變換器輸出線電壓有效值作為反饋值，採用pi調節器實現系統的閉環控制。
  5. Based on the output - voltage error function, a novel time discrete modulation technique is proposed for matrix converters ( mcs ) and time - discrete difference equations of a mc circuit are derived

    摘要針對矩陣變換器調制方式的特點，提出了基於輸出電壓誤差函數分析的矩陣變換器離散調制技術，推導了基於時間離散和差分原理的電路方程。
  6. Formulas are given for changing from any kind of parameters to the other three kinds of parameters. the model for attitude stabilization is established using quaternion or rodrigues parameters, and the model for attitude tracking is established using error quaternion or error rodrigues parameters. ( 2 ) attitude stabilization and attitude tracking are then studied

    本文的主要工作和貢獻有以下幾點： （ 1 ）系統地研究了剛體姿態的參數化描述方法，給出了描述剛體姿態的姿態矩陣、歐拉角、四元數和rodrigues參數的相互轉換關系，建立了基於四元數和rodrigues參數的剛體姿態調節控制模型，和基於誤差四元數和誤差rodrigues參數的剛體姿態跟蹤控制模型。
  7. Firstly, based on a modified lyapunov function and the approximation capability of the first type fuzzy systems, two new design schemes of decentralized adaptive fuzzy controller for two class of similar multivariable nonlinear continuous systems with a triangular matrix function control structure is proposed in this paper, respectively

    本文首先對兩類結構相似的具有下三角形矩陣函數控制增益的多變量非線性連續系統，基於一種修改的李亞普諾夫函數，並利用第一類模糊系統（即具有線性可調參數的模糊系統）的逼近能力，分別提出一種分散自適應模糊控制器設計的方案。
  8. The paper makes simulation for each type of electro - hydraulic regulating system of turbine. the results of simulation show that for the francis and kaplan turbines the contradiction between regulation time and pressure increasing can be solved by logical chosen of feedback adjustment coefficient and control cost - weighting matrix. for tublar turbine the dynamic matrix pi control scheme can effectively solves the difficulty of speed stabling of this type turbine

    本文對各種機組調節系統進行模擬，結果表明，對于混流式和軸流轉漿式機組，通過反饋校正系數和控制權矩陣的正確選擇，可以解決調節時間和水擊壓力上升的矛盾；對于貫流式機組，提出了動態矩陣pi控制方案，可以較好的解決此類機組轉速難以穩定的問題。
  9. Suppression of common - mode voltage for matrix converter based on svpwm

    空間矢量調制矩陣變換器共模電壓的抑制
  10. He zero - output commutation strategy for reducing common - mode voltage of matrix converter

    可有效降低共模電壓的矩陣變換器調制方法研究
  11. The article based on the rural development program - chenjiao cow breeding program in huang yuan county, qinhai province. through collecting second - hand information. using tools of pra, such as questionnaires, key informant interview, matrix ranking. organizational chart, individual interview to investigate the program ' s construction, beneficial result, and problems. after that using problem analysis tree to analyze the information and find that : the up - down extension systems through beneficial inducement did not change farmers " ideas, the fanners have owned the program funds but did not breed cow. the extension systems of our country is not perfect, short of funds, no advanced equipment, dual leadership, multiple function lead to inefficient extension work. the separation of teaching, research and extension lead to unskilled extension workers. the farmers lack of skills. consultation and funds. the above deficiencies caused the inefficient extension work

    本文通過對湟源縣城郊鄉納隆口村的「 2002年農業綜合開發多種經營城郊養牛項目」項目的跟蹤調查，通過二手資料的收集，應用問卷調查法、知情人（村長）訪談法、矩陣排列、機構關系圖、個體訪談等pra的方法了解項目的建設情況、項目實施后的效益及存在的問題，再應用參與式的方法進行綜合分析，發現：從上到下的推廣體系通過利益誘導並沒有使農民的行為發生改變，出現了項目戶擁有項目款而不養殖牲畜的情況；推廣體制不順，經費短缺、設備落後、雙重領導、職能繁多導致推廣工作乏力；教科推脫離使農學院未發揮作用導致推廣人員素質低、農戶缺乏技術、咨詢、資金。
  12. Abstract : in this paper, the characteristics of production system have been analyzed and the production economic functions have been set up in mine. the matrix of two - dimension alternately action is analyzed for mining process and factor in open - pit mine. it is made algorithm for matrix of two - dimension alternately action. under the conditions of binding, mine system is optimum running by optimal program, optimal coordination and optimal control

    文摘:分析了礦山生產系統的特點，建立了礦山生產經濟函數，對露天礦生產工藝、生產因素進行了二元交互作用矩陣分析，提出了求解二元交互作用矩陣的演算法，通過最優計劃、最優協調、最優控制使礦山生產系統在一定約束條件下最佳運轉。
  13. Based on the investigation with several voltage control methods, such as venturini method, instantaneous double - voltage synthesis method and space vector modulation method ( svm ), three new control strategies are put forward. firstly, a time - varying modulation coefficient svm method is proposed to improve mc ' s anti - disturbance performance under the asymmetry input voltage. secondly, a 5 - state switching strategy is presented for mc controlled by the svm method, which reduces the commutation number and switching losses remarkably

    在分析了venturini控製法、瞬時雙電壓法、空間矢量法等電壓控制方法的基礎上，提出了在非對稱輸入條件下矩陣變換器空間矢量法的時變調制比改進控制策略，提高了變換器的抗干擾性能；對空間矢量法的開關策略進行了研究，提出了新型5狀態開關策略，在保證其他性能不受影響的條件下，減少了變換器的換流次數和開關損耗；提出了一種矩陣變換器單電壓合成的新方法，它不僅使得變換器的控制簡單，計算量減少，而且使得開關損耗達到最少。
  14. Based on the system engineering theory, and through detailed analysis of economic techniques of the engineering work plan examples of the common used long span steel truss structures, utilizing the sequenced layer analysis, the current paper will establish the long span engineering work plan index system. also by the fuzzy mathematical principles, it builds multi - layer fuzzy complex mathematics judgment and calculate the weight coefficient of each index by application of fuzzy power duality method ; and based upon the experts investigation method builds each index judgment matrix. finally applying the current popular update system tool - power builder 8. 0 developed the " optimization system of ( construction ) fuzzy work plan " to solve and carry out the multi - layered fuzzy combination judgment ; then step on the analysis and research on the reliability of the optimal solution for further achievement of the final objective of the fuzzy optimization in selecting the construction work plan of long - span steel truss realization

    本文以系統工程學的理論為基礎，通過工程實例對常用大跨度鋼桁架結構施工方案進行詳細的技術經濟分析，運用層次分析法建立起大跨度鋼桁架結構施工方案的指標體系，利用模糊數學原理建立了多層次模糊綜合評判數學模型，採用模糊權重二元對比法計算出各指標的權重系數，並採用專家調查法建立各指標的評判矩陣，利用目前最流行的工具系統- powerbuilder8 . 0編制了《建築施工方案模糊優選系統》求解計算，進行多層次模糊綜合評判；調整權重和隸屬度，對數學模型最優解的可靠性作了進一步的分析和研究，從而達到模糊優化選擇大跨度鋼桁架結構施工方案的最終目的。
  15. Dynamic matrix control ( dmc ) can directly treat with objects with pure delay, has strong adaptability to large inertia, approved tracking performance and better robustness, but primary steam temperature object and boiler fuel regulating object are both intricate objects with large inertia and time delay, which are difficult to obtain perfect control effect using routine pid cascade control

    由於動態矩陣控制（ dmc ）能直接處理帶有純滯后的對象，對大慣性有很強的適應能力，有良好的跟蹤性能和較強的魯棒性，而主汽溫對象和鍋爐燃料調節對象均是具有大慣性大延遲的復雜對象，用常規pid串級控制難以取得理想的控制效果。
  16. In the constructing of the diagnosis module using the technology of the combination of the fuzzy logic and neural network, which based on the fuzzy adaptive learning control network, a simple kind of capable method for consummate the structure and performance of network is introduced, which includes the rules extraction based on the maximum weights matrix and the parameters amendment based on genetic algorithm by floating - point coding. during the monitoring of the parts condition, the output of the condition monitoring system shows the good working condition of the executing agency by fuzzily deducing from the control instruction send by the auv ' s controller and motion status, and so offers the proof to complete mission and return safely

    在珍斷模塊建模中採用模糊邏輯與神經網路結合的技術，以模糊自適應學習控制網路為核心，提出了一種簡單可行的基於最大權值矩陣的規則提取及基於浮點數編碼的遺傳演算法的參數調整的，完善網路結構與性能的方法，並在狀態監測過程中，通過對由控制器輸入的水下機器人運動控制量以及運行狀態的模糊推理，得到執行部件（推進器或舵）的工作狀態優劣程度，為保證水下機器人完成任務，安全返回提供控制依據。
  17. Then, sage adaptive filtering usually used in kinematic gps navigation and positioning and its shorcoming are analyzed. the weights of measurement residuals and state correction residuals are modified according to the self - correlation property of colored noise and robust estimation. the procedure of weighte d prediction of covariace matrix not only resists the influence of outlying kinematic model errors, but also controls the effects of measurement outliers

    然後，分析了目前常用於有色噪聲處理的sage自適應濾波及其在動態gps導航定位應用中的缺陷，並依據有色噪聲的自相關特性和抗差估計調整觀測殘差和狀態改正數的權比，再通過加權預報控制殘留在其中的異常對協方差矩陣自適應估計的影響。
  18. The paper improves the arithmetic of dmc and applies it in electro - hydraulic regulating system of turbine and studies on many types turbine

    本文將動態矩陣控制演算法進行了改進，並將其應用於水輪機調節系統，對多種型式的機組轉速調節進行了研究。
  19. As a result, the control algorithms in this article can be designed properly and have good dynamic quality on coordinated control system

    結果表明，多變量動態矩陣控制演算法和多變量雙值動態矩陣控制演算法設計簡單並且在單元機組協調控制系統中有良好的控製品質。
  20. In this paper the algorithms of multi - variable dynamic matrix control ( mdmc ) and pair of value dynamic matrix control ( pvdmc ) and their applications are proposed on the unit coordinated control system

    本文的主要工作是研究多變量動態矩陣控制演算法，提出多變量雙值動態矩陣控制演算法，並把它們應用於單元機組協調控制中。
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