隨動傳動力 的英文怎麼說
中文拼音 [suídòngzhuàndònglì]
隨動傳動力
英文
auxiliary force-
The control of beam halo - chaos becomes a critical problem in the development of high intensity accelerator. efforts to remove the halo by collimation have been largely unsuccessful since the halos almost always regenerate. the mechanisms of halos are complex, such as nonlinear resonances and chaotic behavior etc. considering this, professor fang jin - qing who works in china institute of atomic energy pointed out that the theory of chaos control can be used to control beam halos. he presented the method to control halos by using nonlinear functions, which means nonlinear function g is added to the right of ion radial self - edlctric force equation and some nonlinear function are selected to control beam halos in simulations. in paper [ 69 ], controllerg = - 0. 15sin ( rmax - am ) 2 was used and the halo intensity was decreased to 0. 1078, the halos are removed partly
束暈?混沌的控制是新一代強流加速器研製的關鍵問題，隨著強流離子束應用前景的日趨廣闊而日益成為研究的熱點。傳統機械限束器因無法解決束暈的再生而收效甚微，因為束暈的形成有著其內在動力學機制?非線性共振以及混沌等。基於此，中國原子能科學院研究員方錦清將混沌控制的理論和方法開創性的運用於束暈?混沌的控制上，提出了控制束暈?混沌的非線性控制策略，即在粒子徑向所受束自生場力方程的右邊加上非線性控制函數g ：並選取一些非線性函數如等進行了控制的模擬研究，將束暈強度控制在0 . 1078左右，取得了初步的控制效果。The usage quantity of chemical fertilizer and diesel 0 : 1take the first place in our province, the effective irrigated area is ninety percent of the cultivated area with the development of the economy and the improvement of the quality of the people who are engaged in agriculture, the agricultural production also changes : one aspect is the number of the labours who are engaged in agricultural prosecution is decreasing year by year. the labours of the rural areas are liberated from farming step by step and more and more labours take up the third industries and processing industries of the agricultural products and so on. the agricultural production calls for saving cost, racing against time and decreasing consumption. the other aspect is the quality of the people who are engaged in the agricultural production has some changes, that is the number of the labours whose ages are below 25 is
隨著經濟的發展和從業人員素質的提高農業生產也發生了變化，一方面人力投入糧食生產的比例在逐年下降，從事農業生產的農村勞動力逐年縮少，農村勞動力逐步從農業勞作中解放出來，走向農村第三產業和農產品加工行業等等，農業生產也隨時要求實現節本、爭時、減耗;同時，農業生產中一家一戶小規模生產經營方式和產業結構調整帶來的「插花地」的種植模式，使常規的保護性耕作措施不能完全適應現代農村農業生產的實際需要，結合秸稈還田以耙耕或旋耕代替傳統的鏵式犁翻耕是當前農業生產最為適宜的耕作方式。Based on the perturbation riccati transfer matrix method, the calculating program are developed. the program can be used to the perturbation analysis and the sensitivity analysis of the real and complex, the single and repeated eigenvalues and eigenvectors for lateral vibration of rod and beam structures, especially suitable to the perturbation analysis and the sensitivity analysis of eigenvalues and eigenvectors for rotordynamic systems ; 2. the perturbation riccati transfer matrix method was applied to identify the parameters of the rotor for a boiler supply pump, and the accurate dynamic model of the rotor was archived
該程序可以對桿、梁結構橫向彎曲振動的實數、復數的孤立和重頻特徵值問題進行攝動分析和靈敏度分析，特別是適合於轉子動力學系統特徵值和特徵向量問題的攝動分析和靈敏度分析； 2 、用攝動riccati傳遞矩陣方法解決了某電站鍋爐給水泵轉子的參數識別及動力模型修改的問題，並給出了該種型號的給水泵轉子的更準確的力學模型，為進一步的轉子動力學分析與設計奠定了可靠基礎； 3 、給出了攝動理論在相關領域如隨機特徵值分析、隨機振動響應分析、可靠性分析、靈敏度分析、優化設計以及參數識別中的應用公式。3, during the process of the gear teeth meshing, the film shape and pressure distribution have little difference. but, the temperatures have the distinctive changes as the engaged position is varied, which means that the temperatures as the increase in the rate of slide to roll
3 、在齒輪傳動嚙合過程中，壓力分佈和油膜形狀無明顯變化，但溫升隨嚙合位置的不同呈顯著變化，即溫升隨著滑滾比增大而增大;在單、雙齒嚙合交替處，摩擦系數達到極值，可達0 . 08 。Motion control is a comprehensive subject. modern ac drive is a important embranchment in the field of motion control. however, it is difficult to rea1ize high - performance ac drive systems because induction motors are a kind of strongly - coupled nonlinear system with many variables and the torque is not easy to control. with vector control technology decoupling and torque control of ac motor are solved. the basic idea of vector control is that three - phase system is equiva1ent to two - phase system by coordinate transformation and it realizes the decoupling between field current and torque current of the stator in order to control the flux and current respectively, thus induction motor can be considered dc motor and high performance is achieved easily. with the progress of electric and electronic technology and the development of computer, high - integrated special modules and high - precision digital signal processor ( dsp ) are applied to ac drive so that vector control has been developed rapidly
但是高性能的交流調速系統實現很困難，這是因為交流電機是多變量、強耦合的非線性系統，不易實現高性能轉矩控制。矢量控制技術則解決了交流電機解耦與轉矩控制問題，其基本思路? ?應用坐標變換將三相等效為二相，實現定子勵磁電流分量與轉矩電流分量之間的解耦，達到對交流電機磁鏈與電流分別控制的目的，交流電機等效為直流電機實現高性能調速。隨著電力電子技術的進步，計算機技術飛躍發展，高度集成的專用模塊和高精度的數字信號處理器應用於交流傳動系統中，促進矢量控制迅猛發展，日趨成熟。With the development of science and technology more attentions have been concentrated on the performance analysis of the following systems : variable speed drive system of ac machines with power electronics and control devices, power energy system composed of ac machines and power lines, electric machine system consisting of ac machines and excitation control devices
隨著科學技術的發展，交流電機與電力電子及其控制裝置組成的調速傳動系統、交流電機與電力傳輸線組成的電能系統、交流電機與勵磁控制裝置組成的電機系統等的性能分析越來越受到關注。In 6. 635, topics covered include : special relativity, electrodynamics of moving media, waves in dispersive media, microstrip integrated circuits, quantum optics, remote sensing, radiative transfer theory, scattering by rough surfaces, effective permittivities, random media, green ' s functions for planarly layered media, integral equations in electromagnetics, method of moments, time domain method of moments, em waves in periodic structures : photonic crystals and negative refraction
本課程所覆蓋的論題包括：狹義相對論、運動媒質的電動力學、色散媒質中的波、微帶集成電路、量子光學、遙感、輻射傳輸理論、粗糙表面上的散射、有效介電系數、隨機媒質、平面層狀媒質的格林函數、電磁學中的積分方程、矩量法、時域矩量法、周期結構中的電磁波：光子晶體和負折射率。The great tour purchasing power is the drive power of promoting the region ' s tourism developmentln the regional space, scale economic and regional separation are one of the basic characteristics of promoting tourism industry, so we must arrange the regional tourism industry with a systematic method and give prominence to the central city. for its outstanding area in the regional space, central city has evident superiority in the regional ecnomic development, and has echelon between central city and its periphery scennic spots, which is the inducement mechanism of tourism industry ' s arranging, developing and advancing step by step. for the law of diminishing marginal utility and the theory of equilibrium, the max utility equilibrium of tourism consumption be at the point of tangency of undiscrepancy curve and the cost budget curve
中心城市居民巨大的出遊力是拉動其周邊旅遊地發展重要的內在驅動力；由於地緣關系，區域規模經濟與地域分割並存，是旅遊產業運動的一個基本特徵，為此必須對區域旅遊經濟進行系統化布局，突出中心城市的產業中心性；因其區位條件獨特，中心城市在區域經濟發展中居於明顯的優勢，與周邊城鄉部位存在經濟發展上的梯次性，這種梯次性是區域旅遊生產力布局、產業發展梯次傳動，最終整體聯動的經濟誘導機制；根據邊際效用遞減規律和旅遊者最大效用均衡理論，旅遊消費效用最大化的均衡在無差異曲線與開支預算線的切點（即旅遊目的地選擇的最佳位置）上，且隨著邊際效用遞減，目的地選擇的最佳位置向遠離中心城市方向移動，這就是中心城市與周邊旅遊地互動關系的經濟學解釋。The honeycomb sandwich structure has been widely utilized in engineering field nowadays. however, due to the complex construction of this structure, it seems not quite easy to describe its dynamic characteristic clearly and completely via conventional methods. the purpose of this thesis is to analyze and identify the dynamic characteristic of honeycomb sandwich structure based on nonlinear methods to stochastic data in frequency domain
現今鋁蜂窩夾層結構廣泛應用於工程領域，但由於鋁蜂窩夾層結構復雜，使得應用傳統的辨識方法難以對其動力學特性給出清楚和完整的描述，本文的目的就是應用隨機數據的頻域非線性分析與辨識方法對鋁蜂窩夾層結構的動力學特性進行辨識。Earthquake and wind ), because of the damping matrixes of the two structures " motion equations are both non - classical, the dynamic equation ca n ' t be decoupled by the traditional real - mode analysis ( the mode - superposition method ). though, in this thesis the complex - mode analysis is used to solve the stationary and non - stationary random earthquake response of structures and their analytic expressions are got. on the basis of these expressions, the optimal parameters of the two structures " isolation & seismic decrease equipment are analyzed
目前，基礎隔震結構、 「加層減震」 （ tmd減震）結構正逐步應用於工程實際，由於這兩種結構在動力荷載（如地震、風）作用下動力方程中的阻尼矩陣為非經典情形，傳統的實模態分析方法（振型分解法）不能使動力方程解耦，因此本文運用復模態分析方法求得了結構在平穩和非平穩隨機地震激勵下結構隨機地震響應的解析表達式，在此基礎上進行了基礎隔震和tmd減震裝置參數的優化分析。With the rapid development of computational fluid dynamics and combustion theory, applying the computer to numerically simulate the complicated processes in the plasma ignition is possible. using numerical simulation can estimate the parameters which are not essay to measure and not doing so many experiments can improve its reliability and reduce the cost. so numerical simulation is a new pattern way to study the inner mechanism of the plasma ignition
隨著計算流體力學和燃燒理論的發展及計算機的廣泛應用，用數值模擬等離子點火器內部燃燒系統流動、傳熱、傳質、化學反應等復雜的過程已成為可能。應用數值模擬的方法可以對實驗難以測量的量進行預估，而不需要大量的試驗，應用數值模擬的方法來解決等離子點火器燃燒性能的分析和工程設計，有利於提高工作的可靠性和經濟性。The system and trouble are diagnosed, etc. the introduction of the new technology with electromechanical integration, especially the popularization application of the computer, and analyse through the supervision on operation conditions of the equipment, can get more intact load under various kinds of working states of handling machinery and compose, stress table and power transmit laws
隨著機電一體化系統和故障診斷等新技術的引入，特別是計算機的普及應用，通過對設備運行狀況的監測與分析，可以獲得起重運輸機械在各種工作狀態下的比較完整的載荷譜、應力譜和動力傳遞規律。Especially, with the requirement of the digital controlled machine tools increasing, the hyper speed, the hyper precision, the hyper reactivity, what is called zero mechanical gearing control theory, are easy to put in practice for the linear motor ' s servo system
特別是隨著數控機床加工技術要求不斷地實現高速和超高速化、精密和超精度化，高速反應能力地直線伺服進給技術一所謂地零傳動方式便應用而生。On the way to enlightenment, shambhalans acquire such powers a clairvoyance, - biolocation, the ability to move at great speeds - and the ability to materialize and disappear at will - telekinesis - and the union of the soul with the oneness of universe
在啟迪的道路上，香巴拉獲得這樣一個透視的能力， -生物定位，以極快的速度移動的能力-而且這能力隨意念任意物化和消失-心靈傳動-並且與宇宙的大一靈魂聯合。We apply fuzzy control theory to active control over engine body vibration, design fuzzy control system which combines intelligent control with feedback control. this control strategy mends the flaw of complexity, nonlinear and uncertainty when we use traditional control method. by measuring rotate speed and vibration speed of i. c
在主動控制的基礎上，採用了模糊控制的演算法，設計了內燃機整機振動模糊控制器，改進了傳統控制方法在處理振動復雜性、非線性和不確定性等方面的缺陷，通過測量內燃機轉速和內燃機整機振動速度信號，動態地改變動力減振器的剛度，使減振器的固有頻率跟隨內燃機整機振動激勵頻率的變化，達到降低內燃機振動的目的。With the development of computer aided engineering ( cae ) technology, cae software is used widely mechanics, automobile, aeronautics, astronautics etc. cae software can be used thermal fluent analysis, dynamical simulation of mechanism, whole vehicle simulation, metal sheet forming simulation etc. to satisfy the more and more requirement of engineering application, the models for cae software to construct and use is becoming bigger and more complicate
隨著計算機輔助工程（ computeraidedengineering ，簡稱cae ）技術的發展， cae軟體在機械、汽車、航空、航天等領域得到了廣泛的應用，用於熱流分析、機械動力模擬、整車模擬、大型板料沖壓成形模擬等。為了滿足工程應用對cae分析越來越高的要求， cae軟體構造和使用的模型越來越復雜、數據量越來越大，數據復雜度的提高不僅十分不利於存儲和傳輸，也影響了模型顯示的實時性。To ensure all segments under construction to approach corresponding construction segmental reasonable states in both configuration and mechanics states and good behavior of structure after completion, escaping from all kinds of accidents in whole process of construction with high efficiency, safety, excellent quality of engineering achieved, the grey prediction model ngm ( 1, 1 ) was proposed to fit prediction of any raw grey series by studying grey causes and whitening results based on the normalized mapping rules ; random perturbation method of genetic algorithms was proposed to raise efficiency of forward rolling optimization ; simultaneous analysis of strength and stability was carried out to ensure safety of strength and stability
摘要為了保證實際施工中結構各節段在構形和受力狀態兩方面逼近施工節段合理狀態，避免事故發生，確保工程高效、安全、優質，基於歸一化映射規則，研究灰因和白果，提出了適應任意灰序列的灰預測模型ngm （ 1 ， 1 ） ；研究遺傳演算法的隨機攝動法，提高向前滾動優化效率；研究強度、穩定性的同步分析技術，保證施工過程強度、穩定性安全。It is necessary to establish a new system for steering performance evaluation of electric power steering. this paper analyzes the effect of electric power steering on the steering performance based on it s configuration feature and then the object evaluation of steering performance of electric power steering is studied. the new system of evaluation includes steering maneuvrability, steering returnability, once enter handling performance, steering wheel vibration, servomotion sensitivity and assist characteristic
電動助力轉向是轉向系統中較新的技術，在國內發展很快，關于其性能和可靠性檢測還未有統一的方法及評價標準，本文研究的目的主要是對針對電動助力轉向的結構特點，分析了電動助力轉向對汽車轉向性能的影響，提出從轉向輕便性、轉向回正性、轉向盤中間位置區域性能、轉向盤振動、隨動靈敏度和助力特性等方面進行電動助力轉向系統轉向性能的客觀評價，並探討了相應的評價指標，以及對電動轉向系統的電機減速機構及其控制器、傳感器、提出相應的技術要求與試驗方法。As the home and foreign economists further research, they blaze new trails and make the theory of human capital perfect. at the mean time, the theory of new economic growth develops vigorously. many economic models, including " learning by doing ", are created on the foundation of human capital theory and bring the factor of human capital in
著名經濟學家舒爾茨首先提出了人力資本的概念，對經濟發展的動力做出了不同於傳統經濟理論的全新的解釋，隨著國內外眾多經濟學家進一步的研究，人力資本理論得到了不斷的完善與創新；同時，新經濟增長理論也蓬勃發展起來， 「邊干邊學」等理論模型都是基於人力資本理論而建立，把人力資本的因素納入到了經濟增長的模型中去的。With the coming of knowledge - economy and information - economy, great changes have taken place both in the domestic and in the international markets : uncertainty is increasing, customer adherence is decreasing, market demand is becoming too difficult to be forecasted. traditional comparative advantage theory based on the cheaper labor and capital could not explain the location choices of the modern firms and the development of certain districts
隨著知識經濟和信息經濟的到來，國內外市場發生了巨大變化:不確定性與日俱增、消費者忠誠度不斷下降、市場需求變化莫測，傳統的建立在廉價的勞動力或資本基礎上的比較優勢理論已經無法解釋今天的企業的區位選擇和區域發展。分享友人