直接數值控制 的英文怎麼說
中文拼音 [zhíjiēshǔzhíkòngzhì]
直接數值控制
英文
direct numerical control (dnc)- 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 ...
- 數 : 數副詞(屢次) frequently; repeatedly
- 控 : 動詞1 (告發;控告) accuse; charge 2 (控制) control; dominate 3 (使容器口兒朝下 讓裏面的液體慢...
- 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...
- 直接 : direct; immediate
- 數值 : numerical value; numerial number; figure; magnitude; value數值表 numerical tabular; 數值天氣預報 ...
- 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
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Our general products are : chicken fixed - value controller, cb series packing and batching controller 1 - 8 kinds, orthoptic electronics crane scale, single - hopper packing scale, multi - hoppers high - speed packing scale and filling scale. we also meet those special demand and specification
目前公司生產的常規產品有: chicken定值控制器cb系列包裝秤控制器配料秤控制器1 8種,直視式和數傳式吊秤,單頭包裝秤,多頭高速包裝秤及液體灌裝秤等,同時也承接客戶特殊規格產品設計製造。Avoiding the difficulties of detecting the difficult parameters in furnace control and of building up the models, integrated with fuzzy control and conventional pid control, abb ’ s control it system is used to predict the bloom surface and center temperature directly based on the temperature of furnace wall easily to be detected so that the temperature settings in various furnace sections can be self - corrected, the furnace temperature of each section self - adjusted and on - line parameters of combustion control self - optimized. in addition, the heating parameters and the operating status of the field plant can be monitored with alarm
採用abb公司的controlit控制系統,避開爐子控制中遇到的困難參數檢測及建模困難等因素,直接根據容易檢測的爐壁溫度來推知鋼坯表面溫度及鋼坯中心溫度,將模糊控制技術與常規pid控制相結合,實現各段溫爐設定值自修正、各段爐溫自協調、各參數在線自整定的自尋優最佳燃燒控制;對熱工參數、現場設備的運行情況進行監視、報警,實現爐膛壓力、管道壓力、換熱器的保護控制,並將重要參數送往廠級mis網路。Finally, we convert this optimal problem to a nonlinear parameter optimization problem by collocation method. these studies examine the collocation method in case of equally or non - equally spaced division points, and in case of different numbers of nodes
本文採用直接搜索法和節點配置,將連續動態最優控制問題轉換為靜態離散的數值優化問題,並對狀態和控制變量的約束進行轉化。Reinforcement learning algorithms that use cerebellar model articulation controller ( cmac ) are studied to estimate the optimal value function of markov decision processes ( mdps ) with continuous states and discrete actions. the state discretization for mdps using sarsa - learning algorithms based on cmac networks and direct gradient rules is analyzed. two new coding methods for cmac neural networks are proposed so that the learning efficiency of cmac - based direct gradient learning algorithms can be improved
在求解離散行為空間markov決策過程( mdp )最優策略的增強學習演算法研究方面,研究了小腦模型關節控制器( cmac )在mdp行為值函數逼近中的應用,分析了基於cmac的直接梯度演算法對mdp狀態空間離散化的特點,研究了兩種改進的cmac編碼結構,即:非鄰接重疊編碼和變尺度編碼,以提高直接梯度學習演算法的收斂速度和泛化性能。By analyzing the disadvantage of the parallel rendering load balancing methods based on geometry data analysis, a load balancing method based on time - space conversion is presented which uses time value as the measure of a rendering node ' s work load and uses space value to control the distribution of work load. a reasonable algorithm is used to convert time value to space value
在分析已有的基於幾何數據分析的并行繪制負載平衡演算法的基礎上,提出了浙江大學博士學位論文基於時空轉換的負載平衡演算法:以時間值直接作為繪制節點負載的度量,以空間值控制負載的分配,通過適當方法完成時間值到空間值的轉換。It adopts pc computer control, the high accuracy force value sensing test system, step - motor direct driving ball threaded screw methods it may set arbitrary numbers for the parameters such as gripped sample length stress rate, test times etc. the testing results would be output in forms of chinese characters reporting statistics through the printer
採用pc機控制,高精度力值傳感測量系統及步進電機直接驅動滾珠絲桿方式.對夾持試樣長度.拉伸速度.實驗次數等參數均能任意設定.測試結果由印表機輸出It adopts pc computer control, the high accuracy force # 118alue sensing test system, step - motor direct driving ball threaded screw methods it may set arbitrary numbers for the parameters such as gripped sample length stress rate, test times etc. the testing results would be output in forms of chinese characters reporting statistics through the printer
採用pc機控制,高精度力值傳感測量系統及步進電機直接驅動滾珠絲桿方式.對夾持試樣長度.拉伸速度.實驗次數等參數均能任意設定.測試結果由印表機輸出This thesis presents an effective way to design pid controller through a combination of adverse deduce and genetic algorithm. the relationship between pid parameter and the root of the characteristic equation of the closed loop control system has been found out directly
本文直接找出pid參數與閉環控制系統的特徵方程的根之間的關系,只要使特徵方程的根在z平面的單位圓內任意取值,然後再求出相應的pid參數,則閉環控制系統必然是穩定的。A transient mathematical model of the asynchronous motor is built taking core loss into account to improve the torque performance. a method is proposed to minimize the total loss according to the relation between the efficiency and the rotor flux. a dtc system using this method appear high efficiency in matlab - simulation
本文通過對電機損耗的分析,建立了考慮鐵損時異步電機的數學模型,推導出電機的損耗和轉子磁鏈的關系,通過坐標旋轉變換,得出損耗最小時的直接轉矩控制的定子磁鏈參考值。In this thesis, we have the rectangular composite plate with piezoelectric sensors and actuators as ours study object. methods of riz and fem are used to analyze the problem of the vibration control of the smart structures with the direct feedback gain
本文以壓電薄板為研究對象,採用解析法(里茲法)和數值分析法(有限單元法)研究了壓電智能結構的振動控制問題,其中採用的反饋控制策略為直接反饋。Both are used to separate the responsibility for rendering pages from the model and controller. both accept objects passed into them as an input argument, both allow inserting string values within code " expressions ", and allow direct use of java code to perform loops, declare variable, or perform logical flows " scriptlets ". both are good ways of representing the structure of a generated object web page, java class, or file while supporting customization of the details
Jet與jsp非常類似:二者使用相同的語法,實際上在後臺都被編譯成java程序;二者都用來將呈現頁面與模型和控制器分離開來;二者都可以接受輸入的對象作為參數,都可以在代碼中插入字元串值(表達式) ,可以直接使用java代碼執行循環、聲明變量或執行邏輯流程式控制制(腳本) ;二者都可以很好地表示所生成對象的結構, ( web頁面、 java類或文件) ,而且可以支持用戶的詳細定製。Because its largest singular value curve is identical before or after the unstable process is mirror - injected, and the closed loop gain shaping algorithm constructs directly the robust controller using parameters having engineering sense according to the shape of the singular value curves of the robust performance index, the designed controller has equally robustness to the unstable process
由於非穩定過程在鏡像映射前後的奇異值曲線相同,而閉環增益成形方法直接根據魯棒性能指標的奇異值曲線形狀用閉環系統具有工程意義的參數構造出魯棒控制器,故該控制器對非穩定過程同樣具有魯棒性。Numerical control, direct dn
直接數值控制Two perpendicular polarized light states and a no - light state are applied to express information in the ternary optical computer. the three states are transformed via two - dimension liquid crystal element and polarizators, and ternary arithmetic operation and ternary logical calculus completed directly in this way. the ternary optical computer will possess enormously number of bit ( easy to 104 ), light processor, light transmission path and electric control system
三值光計算機用相互垂直的兩個線偏振光和零光強三個獨立的光狀態表示信息;用二維液晶器件和偏振器實現此三個狀態間的轉換;採用三進制算術運算;直接處理三值邏輯運算;擁有巨大的數據位數(容易超過10 ~ 4位) ;具有光運算、光傳送、電控制等結構特色,具有很強的空間、時間并行性。In the computational methods of tpbvp, in order to reduce some difficulties involved in solving a tpbvp via adjoint variables, we discuss a direct method in which state and control variables are indirectly parameterized, the method employs a recently developed direct optimization technique that uses a piecewise polynomial representation for the state and control variables, thus converting the optimal control problem into a nonlinear programming problem, which can be solved numerically. it makes the initial iterative variable more easy to be determined
在數值解法中,為了減少解決兩點邊值問題共軛變量帶來的困難,主要討論了將狀態變量和控制變量進行參數化的一種直接方法,這種方法採用了近段發展起來的使用分段的多項式來代替狀態和控制變量的直接優化方法,然後最優控制問題就轉化成可以用數值方法解決的非線性規劃問題,使得迭代初值更加容易選取。According to the fault of complicated calculation - control, characteristics easily affected by the induction motor ' s parameters and the different result between practical function and theoretical analysis in vector control and the defect of the traditional dtc, i designed a new dtc which uses a three - value regulator to get quickly torque control and adopt the control scheme of invariable magnetic chain to improve the performance of adjusting velocity of the induction motor
由於矢量控制技術中出現的運算復雜、特性易受感應電動機參數的影響和實際運行結果難于達到理論分析的結果等缺點,以及傳統的直接轉矩控制方法的不足之處,設計了新的直接轉矩控制方案。這種方案是應用三值調節器來獲得快速的轉矩控制,並且採用磁鏈恆定的控制方法以提高異步電動機的調速性能。And more, a fuzing - decision data fuzion method based on fuzzy mathematics is put forward and simulated. it ' s been proved that this method could improve the robustness of the control system effectively
論文提出了不進行異常值預處理,而直接進行引信決策數據融合的模糊演算法,同時進行了數字模擬,結果表明該演算法能有效抑制異常傳感器、增強控制系統引信決策的穩定性。It has put forward a kind of method of self - adaptation based on motion characteristic to correcting error code. finally, based on the rtp protocol, real - time transmission of video and audio data is realized with software, and a bandwidth control algorithm based on rtp is introduced. the research results of this paper can be used in the long - distance education, video conference, videophone, video real - time control, and various kinds of communication systems
接著討論了糾錯編碼,採用rs編碼作為前向糾錯碼,提出了一種基於運動特徵的自適應誤碼掩蓋方法,並採用rtp協議進行視音頻數據的實時傳輸及帶寬控制,本文的研究成果可以直接用於遠程教育、視頻會議、可視電話、視頻監控等各種通信系統,具有較大的研究價值及廣泛的實用價值。Then a tentative plan was offered that, cfd numerical simulation techniques and direct running trials were adopted to validate and improve the design of the fuzzy controller applied on the combustion organizations of rbcc
並且提出了採用cfd數值模擬技術和直接試車試驗對這種燃燒組織技術進行驗證和改進模糊控制器設計的設想。分享友人