loop function 中文意思是什麼
loop function
解釋
循環操作-
This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions
首先對加速度計及其測試技術的發展歷史和現狀，液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹，然後確定了以二元調寬脈沖再平衡測試迴路為設計方案，並從控制理論的角度進行了分析，著重研究了系統中各部分的傳遞函數，利用系統開環傳遞函數分析了系統的穩定性，同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題，並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路，驗證了電路的正確性，最後按照測試系統的要求，採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具，利用該圖形化編程語言完成了測試系統軟體部分的設計，實現了測試功能。 -
This paper researches and analyses the developments of web technology and magnetostrictive transducers from world wide region. the paper also analyes the characteristics curve of magnetostrictive transducers based on its equivalent circuit and researches the method how to make sure its syntony frequency and its electric simulation network parameters. at the same time, by using jsp technology, a magnetostrictive transducer electric simulation application is designed based on b / s three - tier system structure. the experiment data is fitted by curve fitting module. the equivalent input impedance of it with stimulate loop is separated based on the results of curve fitting and the syntony frequency and electric simulation network parameters of magnetostrictive transducers is determined by the input impedance. the method presented in this paper can determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers with a better accuracy than the testing method of syntony & anti - synton y. further more, jsp, the advanced technology at current, has been used to realize a magnetostrictive transducer web electric simulation system. the system has good human computer interface and the function of resource sharing and information publishing. the research of this paper and its achievements have some practical merits in the researchful and applied fields of magnetostrictive transducer
用java編程語言編寫的曲線擬合模塊，對輸入的實驗數據進行了最小二乘法的曲線擬合；根據曲線擬合結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時由機械振動形成的等效輸入阻抗，並由此輸入阻抗確定磁致伸縮換能器的諧振頻率及電氣模擬網路參數。本課題提出的方法與傳統的諧振?反諧振法相比，能更準確地確定磁致伸縮換能器的諧振頻率及其電氣網路參數。同時，採用當前比較先進的web技術，實現了基於jsp的磁致伸縮換能器web電氣模擬系統，該系統具有良好的人機界面和資源共享、信息發布功能。 -
At first, the dynamic mathematic model is created in the light of the known dimensions and structure. then base on the mathematic model, dynamic analysis of the system is studied by drawing the open - loop bode diagram closed - loop bode diagram and step response curve using the analysis and calculating function of matlab. the influence factor on frequency character steady and performance of the system is also analyzed
首先，根據已確定的尺寸參數和結構需要，計算並建立起系統的動態數學模型，然後在已知系統數學模型的基礎上，利用matlab語言強大的分析計算功能，對系統進行動態分析，通過畫出系統的開環bode圖、閉環bode圖及系統的階躍響應曲線，分析了系統的頻率特性、穩定性及系統性能的影響因素。 -
For all admissible uncertainties and possible controller gain variations, the desgined controller can guaranteed that the closed - loop system is asymptotically stable and the upper bound of cost function value is not more than a constant
所設計的控制器對于所允許的不確定性和控制器增益的可能變化，能保證閉環系是統漸近穩定的且性能指標上界不超過某個常數。 -
Being one king of half - long idioaome, 563 has strange performance, it has both the characteristics of normal idioazome and the despun property of long idiozome, having the following characteristics : good elasticity, quick speed, high friction and spinning. it has the property of batting and lowening. having a certain function of guarding against loop drive
563生膠是半長膠粒的一種，性能怪異，具有正常膠粒特點，也有長膠粒反旋轉的性能，彈性大，速度快，磨擦力大，有旋轉，有擊球下沉的性能，對弧圈球有一定的防禦作用。 -
Based on researching the function of every kind of eliminating arc loop, new concept was brought up in this paper, and the protective device for eliminating arc and overvoltage was researched and manufactured. when the arc light connecting the ground emerges, the chip synthesizing controller control the vacuum contacter which can be operated with dividing phase and make its fault phase earthed so that the arc light can be dissolved thoroughly
本文在研究各種消弧線圈的基礎上，提出全新的概念，研製出了消弧及過電壓保護裝置，該裝置在出現弧光接地時，通過單片機綜合控制器控制一組可以分相操作的真空接觸器，使故障相接地，達到徹底消除弧光的目的。 -
On basis of the development of modern control technology and apply of the network technology and locale bus - mastering technology ， this text analyzes the essential element for produce of wire - roll mill : principle of assign for speed ; expatiates in detail on the network structure and communication protocol of ethernet and profibus - dp ; concretely describes the forms of control system configuration ， the function and features of its software and hardware designs ; also, introduces mainly control function of control system, ， for example ， sequence control 、 loop control 、 fly shear control and operation and monitor function etc
基於現代控制技術的發展、網路技術以及現場總線技術的應用，本文分析了線材生產的基本要素：速度的分配原則；分析了工業以太網ethernet和現場總線profibus - dp的結構和通訊協議。主要說明plc控制系統的組織結構形式，系統的軟硬體設計的功能和特點。同時，詳細介紹了控制系統的主要控制功能，如邏輯控制、活套控制、飛剪控制以及操作監控功能等等。 -
With the generalized algebraic riccati inequality ( gari ) approach, a sufficient and necessary condition for the existence of dynamic output feedback h controllers is presented, such that the resulting closed - loop sy stem is admissible with its transfer function satisfying h norm constraint
利用廣義代數riccati不等式，給出離散廣義系統存在正常動態輸出反饋h控制器，使得閉環系統是容許的且其從外界干擾輸入到受控輸出的傳遞函數矩陣具有h范數約束的充分必要條件。 -
Ricin a chain ( rta ) is an active chain and has specific n - glycosidase activity, which excises a specific adenine residue ( a4324 in rat ) from a highly conserved loop of 26 or 28s rrna in 60s ribosomal subunits. this cleavage of adenine can lead to the disruption of ribosomal function, thereby, inhibits the protein synthesis and then cause the death of cells
A鏈是活性鏈，具有n -糖苷酶活性，可催化切斷真核生物60s亞基28srrna中第4324位腺嘌呤與核糖分子之間的糖苷鍵，使其脫去一個腺嘌呤，使核糖體60s亞基失活，從而抑制蛋白質的合成。 -
A method of fuzzy optimization design based on genetic algorithm is presented as a new method of parameter optimization design for dc double closed loop speed adjusting system. the method covers three steps. firstly, speed overshoot rate and settling time are chosen as performance indice according to the demand of engineering. these indice are normalized by using fuzzy membership function and then weighted to form objective function of optimization model of the system. secondly, the dynamic response curve of the system with corresponding parameters and peoformance indice are obtained by computerized numerical calculation and simulation. finally, parameters of engineering design are expanded as searching space ; and parameters of speed regulator and current regulator are taken as genes in chromosome. these genes in searching space are optimized to get best solution by way of genetic algorithm. as shown by experimental results, the parameters designed by this method are capable of significantly improving performance indice of the system, which proves that it is a practical and effective method
提出一種基於遺傳演算法的直流雙閉環調速系統參數優化設計方法.根據工程技術的要求，選用速度超調量和過渡時間作為參數優化性能指標.將該指標用模糊隸屬度函數歸一化，再加權平均形成系統優化模型的目標函數.採用計算機數值計算方法，通過模擬獲得系統對應參數的動態響應曲線及其性能指標.最後以工程設計的參數為搜索范圍，以速度調節器和電流調節器的參數為染色體中的基因，通過遺傳演算法在搜索范圍中優化這些基因，獲得優化解.實驗結果表明，所設計的參數能使系統性能指標有顯著提高 -
Function with an infinite loop when it is called from the immediate window
若從「即時」窗口調用帶有無限循環的函數， -
On the other hand, the function of the rough regulation is the same as the open loop system. the a / f controller adopts the approaching increment method in the smooth regulation and the pi controller for non - oscillation or stable increment method for low - speed oscillation in the micro - regulation
噴氣占空比粗調階段為對map圖執行取值操作；細調階段為執行增量逼近法的階段；微調階段為執行pi環節或執行低速振蕩微調。 -
The advanced evolution algorithm presented in this paper extend the topological function to querying loop network and querying connection line, which make a foundation for data check - up and data correction of radial analysis software
基於本文的改進演算法，在實現網路拓撲分析的基礎上，還將其功能擴展，進一步實現了環網查尋功能、聯絡線查詢功能，為配網分析軟體的數據檢查和修改打下了很好的基礎。 -
Switch states of mc are obtained when the output voltage error function is minimized, thus the optimum combination of switch states is derived for the closed - loop control of mc
根據最小誤差函數確定矩陣變換器開關模式，實現了系統閉環控制時開關狀態的優化組合。 -
From different sides such as troops establishment reformation, digitalized army establishment, appearance of new technology, new equipment, new material, etc. the paper analyzes the situation faced with arms development and current situation of external suppression weapon, summarizes and analyzes the development trend of suppression weapon, concludes and abstracts six ways of development trends of fire control system as message integration, system modularization, system architecture subsection, function integration, fire control firing control closed loop and rapid and real - time resolving to realize accuracy, rapid, coordinated integrated weapon control
摘要從部隊編制體制變革，數字化部隊建設，新技術、新裝備、新材料的出現等多方面分析壓制兵器發展面臨的形勢，以及國外壓制兵器發展現狀，總結分析壓制兵器的發展趨勢，並歸納提煉出火控系統應從信息綜合化、系統模塊化、系統體系結構分佈化、功能一體化、火控射擊控制閉環化和快速實時解算等6個方面發展趨勢，以實現精確、快速、協同的綜合武器控制。 -
Not applying this function attribute to the profiling functions results in an infinite recursive profiling loop and a lot of useless data
不要將這個函數屬性應用到分析函數上，這樣會導致無限遞歸分析循環和大量的無用數據。 -
In the body of the dissertation, different performance indexes are defined and analyzed based on the analysis of different types of fwl errors in digital controller, and different fwl digital controller design and realization problems are considered and solved. the major contributions of this dissertation are as follows : considering the fwl errors of controller coefficients, define and analyze the closed - loop transfer function sensitivity measure with respect to the controller coefficients, obtain the optimal controller realizations via minimizing the transfer function sensitivity measure
本論文首先對數字系統，特別是數字控制器設計與實現中的有限字長問題和非脆弱控制器設計的背景、歷史發展情況等作了簡單介紹，然後通過分析數字控制器中不同來源的有限字長誤差，定義不同的性能指標，較系統地分析並討論不同的有限字長數字控制器設計和實現問題。 -
Compared with normal weight selection method, the new method can reduce the iteration times of weight function selection, and ensure the synthetical performance of the resulting h ( subscript ) loop shaping controller
與常規的權重函數選取方法相比，該方法能夠減少權重函數選取時迭代的次數，保證控制器的綜合性能。 -
Based on the introduction and analysis of the approach of h ( subscript ) loop shaping, aiming at the problems that the weight functions are chosen by trial and error, and the synthetical performance index of the controller is hard to meet the frequency and time domain performance requirements, an improved weight function selection method is proposed based on engineering design and chaos optimization
摘要在介紹和分析h （下標）迴路成形基本設計力法的基礎上，針對權重函數選取需要反復迭代、過程繁瑣、所得控制器難以同時滿足時域和頻域性能指標等問題，提出了一種基於工程設計、輔以混沌優化理論的權重函數選取方法。 -
The stress is basing coal - fired boiler inflammation system feature and control demand to design a kind of fuzzy - pi controller on based of genetic algorithm to control it. the controller refers the error and its variety rate as its inputs. and, in order to make the control qualities much better, concerns them as the performance index to optimize the membership function of the fuzzy variables and the pi ' s controller parameter by means of online adjujsting the genetic algorithm, inflammation system steam pressure loop and economic inflammation loop
重點是針對燃煤鍋爐燃燒系統的特點和控制要求，設計了一種基於遺傳演算法的模糊- pi復合控制器對其進行控制，該控制器以偏差、偏差變化率作為輸入量，通過遺傳演算法在線調整模糊控制器的模糊變量隸屬度函數和pi控制器的參數，從而達到優化模糊控制規則和pi控制器參數的目的，實現燃燒系統的蒸汽壓力迴路和經濟燃燒迴路的控制要求。
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