three-step control 中文意思是什麼
three-step control
解釋
三位控制-
Objective the present study was to investigate the effects of endotoxin on capacitation and acrosome reaction ( ar ) of mouse, golden hamster and human sperm, on the sperm - oocyte fusion in mouse, and on the development of 1 - cell, 2 - cell and zona - free 2 - cell mouse embryos in vitro. the purpose was to definite the committed step and the mechanism during in vitro fertilization ( ivf ) on which endotoxin affected, and to distinguish the sensitivities to endotoxin of three developmental systems of mouse embryos. all these data would provide the reference to clinical and laboratory quality control
目的研究內毒素對小鼠、金黃地鼠及人精子的體外獲能和頂體反應、小鼠精卵結合及小鼠1 -細胞、 2 -細胞和去卵透明帶2 -細胞胚胎體外發育的影響，探討內毒素影響體外受精結局的環節及可能的機制，確定三個體外培養系統對內毒素的敏感性，以期為臨床和實驗室質量控制提供參考。 -
Step - nc ( iso14649 ) expends step into the area of cnc and renews the data interface between cax and cnc, which helps cnc system to use data models of products in three dimensions according with step directly in order to output nc programs then control machines directly, eliminate choke points of the information stream between cax, such as cad, capp, cam, cae, ped, erp and so on, connect the design product information and manufacturing product information on the base of step in the form of object - orientation, and change the traditional movement and switch control - orientation numerical programs into object - orientation programs
Step - nc （ iso14649 ）將step擴展至cnc領域，重新規定了cax與cnc之間的介面，其目的是: cnc系統能夠直接使用符合step標準的cad三維產品數據模型，直接產生加工程序來控制機床;在step的基礎上以面向對象的形式將產品的設計信息與製造信息聯系起來，消除cax （如cad 、 capp 、 cam 、 cae 、 ped 、 erp等）與數控系統之間信息流瓶頸;將傳統的面向運動和開關控制的數控程序改變為直接面向加工對象的數控程序。 -
The hardware circuit design include : industrial control computer configuration, selection of industrial control board type, design of the power supply and monitoring interface circuit, design of signal processing interface circuit ( the constant current source circuit, the time base signal processing circuit, the processing circuit for the signal to be measured ), design of panel control circuit, design of the system self - checking circuit, and etc. the program flow hart include : main program flow chart, system boot - strap self - checking program flow chart, manual static testing program flow chart, semiautomatic static testing program flow chart, automatic static testing program flow chart, dynamic testing program flow chart, transient testing program flow chart, source voltage and current monitor program flow chart, investigate function testing program flow chart, and etc. the measure system offers six working power supplies, the signal of time base, the signal of constant current source, sine wave signal and step to leap signal, and measures the frequency of the output pulse signal of the wide range pulse convert circuit accurately under three kinds of different test state ( static form, dynamic form and transient form )
硬體電路設計包括：工控機配置、工控板卡選型、產品電源及監控介面電路設計、信號處理介面電路（恆流源電路、時基信號處理電路、被測信號處理電路）設計、面板控制電路設計、系統自檢電路設計等。程序流程圖包括：主程序流程圖、系統開機自檢程序流程圖、手動靜態測試程序流程圖、半自動靜態測試程序流程圖、自動靜態測試程序流程圖、動態測試程序流程圖、暫態測試程序流程圖、電源電壓和電流監控程序流程圖、研究功能測試程序流程圖等。測試系統提供六路工作電源、時基信號、恆流源信號、正弦波信號和階躍信號，並對三種不同測試狀態（靜態、動態、暫態）下大量程脈沖變換電路輸出脈沖信號的頻率進行精確測量。 -
The three dimensional flow field of the step cylinder in hydraulic control rod driving system ( hcrds ) is calculated and analyzed with the computational fluid dynamics program cfx5 in detail
摘要應用計算流體力學程序cfx5對水力驅動控制棒步進缸內部的三維流場進行了計算和分析。 -
The innovative ideas in this paper is to replace the linear fixed - gain pid controller for a nonlinear pid controller. based on the step response curves of conventional control system, we analyze the ideal variety of three gains in different times and construct the simulated curves of proportional, intergral and derivative gain. the controllers has considered all sorts of imperceptible factors affecting the servo performances in a lpmsm servo system, which include the parametric uncertainties brought by the changes of the mobile mass, the dynamitic performance of the system and the size of input. to solve the problem of so many unknown parameters, we use transmit arithmetic to find the parameters which are fit for the system. to keep the robust and stable performance
本文的創新之處在於，將傳統的固定增益的pid控制器用非線性pid控制器來代替，並在此基礎上，就一般控制系統的階躍響應曲線，分析了在不同響應時間階段pid的三個增益調節參數的理想變化情況，並根據這些理想變化，分別給出了比例、積分、微分增益參數的一種連續的非線性擬和函數。在分析雙位置環時，仔細考慮了能使系統性能變壞的各種因素，如系統的動態性能及控制出入能量的大小等等。 -
Illuminate the principle of using joystick controlling three - dimensional worktable displacement, design and implement the project of using joystick controlling the micromanipulation in three - dimensional way. and choose the velocity model of the step motor to control the displacement, which improves the control effect much better
對操縱桿控制三維工作臺定位的原理進行研究，設計控制方案，完成操縱桿控制工作臺三維定位，並進行實驗驗證，調整參數設置，選擇步進電機速度控制模式，改善操縱桿控制效果。 -
Gubei slope locates in the middle structure area of bohaiwan basin which stretch toward near north and south, and the faults which tend towards east and west spread all over of the whole district. three huge faulty trap whic h control the sediment formation growth distribute in order, which result in the stratigraphy dropping in step along the slope
孤北斜坡帶地處于渤海灣盆地中部近南北向伸展的構造區上，近東西走向的斷層及其斷裂帶縱橫全區，三階大斷裂沿斜坡規律性分佈，基本上控制了全區地層的發育，使得地層沿斜坡坡降式分佈。 -
According to the space vector modulation method of the equivalent structure of the ac - dc - ac transformation, the transformation relations of the matrix converter are deeply investigated. the ac - ac direct conversion control and the double - space - vector pwm scheme of the matrix converter are deduced, the four - step current commutation strategy of matrix converter is expatiated, the design method of input filter and over voltage protection circuit is analyzed, and the modeling and simulation of a three - phase matrix converter are implemented
從等效交-直-交變換的空間矢量調制方法出發，深入分析了矩陣式變頻器的變換關系，導出了交-交直接變換控制規律和雙空間矢量脈寬調制技術，闡述了矩陣式變頻器的換流控制策略，分析了輸入濾波器和過電壓保護電路的設計方法，實現了矩陣式變頻器的建模和運行分析。 -
Input pulse signal can be directly transformed into micro - step linear motion by use of linear pulse motor, which have found wide applications in the digital linear servo systems with high positional accuracy and high reliability. taking slpmu - 025a, a two - phase hybrid lpm manufacturing by shinko motor company ltd, as an specimen, the study on the drive control system is carried out in this thesis, which contains : ( l ) three kinds of drive circuits are designed and comparison analysis in theory is done ; ( 2 ) introduction to at89c51 microchip as controller and special micro - step constant current driver, a great variety of running modes driver control are developed ; ( 3 ) experimental testing and theoretical analysis of current waveforms and displacement graphs and velocity graphs are carried out in case of different micro - step constant current driver
本文以日本神鋼電機株式會社生產的兩相混合式直線脈沖電機slpmu - 025a為樣機，對直線脈沖電機的驅動控制系統進行了研究，內容包括： （ 1 ）設計了幾種直線脈沖電機驅動器電路，從理論上進行了對比分析研究； （ 2 ）用at89c51單片機作為控制器，採用專用的恆流細分驅動器sh ? 2h057m ，實現了開環控制方式下對slpmu ? 025a樣機各種運行方式的驅動控制； （ 3 ）對不同細分數下恆流驅動的電流波形以及各種運行方式下的位移圖、速度圖進行了實驗測試和理論分析研究。 -
Three - step control
三位控制 -
Three step control
三段控制 -
Part three clearly defines literacy - oriented education and information literacy education, subjectivity instruction and constructivism teaching theories as the theoretical basis of constructing the four - step classroom instructional model of it course in elementary schools, further points out the literacy and subjectivity are the two indivisible parts of human development, introduces and analyses the two major problems existing in the current teaching models of it course : unsuccessful task - oriented instruction, and the difficult control of the differentiation among students. in order to resolve the problems, the four - step classroom teaching model set the following three teaching objectives : general development, everyone development, and characteristic development. also, the four steps, " situated task, teaching and exercising, activity groups, works evaluation ", the actual instructional process and concrete implementation principles are systematically elaborated
第三部分，明確了中小學信息技術課四步課堂教學模式的理論基礎是素質教育與信息素質教育，主體性教育思想與建構主義教學論，並指出，素質與主體性是人的發展的兩個方面；提出並分析了現有信息技術課課堂教學中存在的任務驅動法難以貫徹、學生差異難以兼顧的問題；針對信息技術課堂教學中存在的問題，中小學信息技術課四步課堂教學模式確立了全面發展、全體發展、個性發展的教學目標；系統闡述了「情境任務?講練結合?活動分組?作品評價」的四步教學過程及其具體實施要求。 -
The adaptive setting algorithm and realizing strategy of adaptive protection function use local information of adaptive protection device, information of substation, status messages and topology connection relations coming from scada system offered by centralized control center to adapt to changes of topology structure, system impedance and fault type by amending the settings on line. the adatpvie protection algorithm of the device is adaptive three - step current protection
所提出的自適應整定演算法、系統級自適應保護功能實現策略綜合利用供配電線路自適應保護裝置本地信息、變電站站內信息與集控中心藉助scada系統提供的一次、二次設備狀態信息及拓撲連接關系，自動在線計算並修正保護整定值，實現了對電力系統拓撲結構、運行方式及故障類型變化的自適應。 -
Cost control is the key step to improve competitiveness. the dissertation consists of three parts : part one it extends the general cost control theories into commercial banking, analyze the notion and particularity of commercial cost control and its implementation, concludes the significance and relative principles of commercial banking cost control, offers solutions for commercial banking cost control, and illustrates categories of cost control methods
文章共分三個部分：第一部分將一般的成本控制理論引伸到商業銀行，提出商業銀行成本及對其實施成本控制的內涵和特殊性，總結了對商業銀行實施成本控制的意義和相關的原則性，並就商業銀行的成本控制問題提出了解決方案，列舉了成本控制的方法類別。 -
To test the new autopilot performance, author designs a simulation program by matlab / simulink. in the simulation process, author makes comparisons among three systems - the pid autopilot, fuzzy control autopilot and the fuzzy self - turning pid parameters autopilot. in this stage, author gives some step signals to simulate heading orders given to three systems without any interruption
模糊控制所整定的兩個參數論域無成熟例子的可以借鑒，本文提出基於實船設計的pid控制器的參數調整，使控制參數分佈於一個正態曲線上，再適當擴大論域范圍，作為設計整定對象的模糊控制論域。
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