kinematic theory 中文意思是什麼

kinematic theory 解釋
運動說
  • kinematic : adj. 【物理學】運動學(上)的。adv. -ically
  • theory : n. 1. 理論,學理,原理。2. 學說,論說 (opp. hypothesis)。3. 推測,揣度。4. 〈口語〉見解,意見。
  1. Analyse the tooth geometry of klingelnberg cyclo - palloid spiral bevel gear., according to the relative position and kinematic relation of the cutter heads, virtual crown gear and the processed wheel blank, established the system of coordinates of the gear cutting, dedcuced the tooth face equation of the virtual crown gear, according to relations of the gear cutting and space theory of engagement, deduced the tooth face equation of klingelnberg cyclo - palloid spiral bevel gear, and drawing the three - dimensional graphs of the virutal crown gear and klingelnberg cyclo - palloid spiral bevel gear according to the design and setting parameters

    對克林貝格擺線齒錐齒輪進行齒面幾何分析。根據銑齒加工中刀盤、搖臺和輪坯的相對位置和相對運動關系建立了切齒嚙合坐標系,由矢量的旋轉推導了產形輪齒面方程;根據空間嚙合原理和切齒嚙合關系推導了被加工齒輪的齒面方程;由設計參數和銑齒調整參數計算得到齒面離散數據,繪制了產形輪和擺線齒錐齒輪的三維齒形。
  2. Traffic accident simulation and control technology are simulating the environment and driving process, simulating the operation situation of accident vehicle on the road, making kinematic analysis based on data such as vehicle collision, stop location and collision narks, to determine the normally running line and the speed of vehicle before the accident, presume the collision speed course reversely, use 3d graphics technology to reappearance accidents process, provide scientific theory for the analysis of the cause, make corresponding protect safety technology and strategy

    交通事故模擬與控制技術是對駕駛環境與駕駛行為進行模擬,模擬車輛在道路上發生事故的運行情況,根據車輛碰撞位置和停止位置、車身碰痕等事故現場數據進行運動學分析,確定車輛在事故前正常行駛時的速度和路線,逆向推定碰撞車速及事故過程,應用三維圖形技術再現交通事故過程,為分析事故成因,提出相應的交通安全保障技術和策略奠定科學理論依據。
  3. The main work includes : the kinematic properties of a planner 4 - bar linkage are researched deeply using the assur group theory. the displacement, velocity and acceleration of each joint point in a motion period are put forward and their curves of the relevant points are plotted

    通過運動學分析,得出平面連桿機構在一個運動周期中各鉸接點的位置、速度和加速度以及各桿件的角速度、角加速度等運動學參數,並繪制出相應的變化曲線。
  4. Since these theoretical analyses are based on inviscid potential flow theory, theoretical calculation and computational simulation may complement each other. the hydrodynamics and undulating propulsion of specimens were studied using three dimensional computational fluid dynamics ( cfd ) modeling. the cfd analysis using kinematic model of undulatory dorsal / median fin draws a series of conclusions, which include that the body drag increases significantly with the lateral body oscillation ; the body drag is minimum while the start point of

    計算結果表明游動過程中的形體阻力隨側向周期性擺動而增大;當背鰭前端位於身體側向最寬處時,形體阻力具有局部最小值,結論與實驗觀測結果相吻合;在實驗觀測的典型運動參數下,波動面的運動方程中的非對稱因素的出現使推進力增大約1 . 10倍。
  5. 1 ) based on the theory and application of gps, the construction and application of the rtk ( real time kinematic ) - gps carrier phase measurement ( so called rtk ) are studied. the differences between messages type 18 / 19 and type 20 / 21 are compared by analysing rtcm sc - 104 messages, and the advantages and disadvantages of using those types are pointed out. 2 ) the various factors, which influence positioning accuracy, are analyzed in this paper

    論文的主要內容和研究成果如下: 1 )簡要介紹了gps的原理和應用,論述了rtk ( realtimekinematic ) - gps載波相位測量(通常簡稱為rtk )系統的組成和工作原理,通過對rtcmsc - 104電文的分析,比較了rtk電文type18 19與type20 21的差別,指出分別使用這兩電文實現rtk的利與弊。
  6. Transformed the six - bar guide - bar mechanism realizing linear displacement in automatic instruments into a basic rotating guide - bar mechanism, established the mathematical model of velocity approaching constant by the classical approximate synthesis theory and the modern error theory, discussedthe influences of the existent region of main mechanismic parameters on kinematic and dynamic properties, analysed the theoretical transmission ratio error, advances systematic, complete steps and methods for dimensional synthesis of this mechanism with computer aided design

    將自動化儀表中實現線性輸出的六桿導桿機構轉化為基礎轉動導桿機構,應用經典的機構近似綜合理論與現代的誤差理論,建立了速度逼近常數的數學模型,討論了主要機構參數存在區域及對運動、動力性能的影響,分析了傳動比理論誤差,提出了系統完整的計算機輔助尺度綜合的步驟與方法。
  7. Finally, the values of kinematic parameters in typical swimming are estimated for theoretical calculation and computational simulation. based on the kinematic formulation, this paper applies large - amplitude elongated body theory to propulsive performance of undulatory dorsal / median fins and establishes a set of equations for estimation of the propulsive force and the propeller efficiency. the calculations based on experimental data coincide with blake ’ s result in 1980

    從波動運動的參數方程出發,本文基於大擺幅伸長體理論對背鰭/背臀鰭波動模式的推進性能進行了分析,推導推進力和推進效率的計算公式,利用實驗觀測典型運動參數對仿生對象的推進力和推進效率進行了理論估算,結果與blake的計算結果相吻合,從而驗證了所建運動學模型的有效性。
  8. Based on bionic experiments in gymnarchus niloticus and rhinecantbus aculeatus, this paper presents a parameterized description of undulatory dorsal / median fin propulsion modes. by referring to large - amplitude elongated body theory and computational fluid dynamics simulation, this paper also provides an explanation of the external morphological and kinematic phenomena that are closely related to propulsion characteristics

    本文以「尼羅河魔鬼」和「鴛鴦炮彈」為仿生實驗對象,建立背鰭/背臀鰭波動推進模式的參數化描述,對與推進性能密切相關的若干形態學及運動學特徵進行研究。
  9. The acceptability our rejection and the depiction of some content in the course " mechanisms and machine theory " is discussed, ( e. g., group dividing, solving steps of the graphical method for vector equation, versions and methods for analytical kinematic analysis, inversion design for linkage mechanisms, crank angle between the two limiting positions, design formulae for cam mechanisms, classification of combined mechanisms, formula of the radius of addendum circle of gear, balancing of machinery, etc. ) and some new opinions are presented

    摘要就《機械原理》課程的某些內容(如:拆桿組的方法、矢量方程圖解法的解題步驟、運動分析解析法的版本和方法、連桿機構的反轉法設計、極位夾角、凸輪機構設計公式、組合機構的分類、齒輪齒頂圓半徑公式、機械的平衡等)的取捨和敘述進行探討,提出一些新的看法。
  10. The structure of knowledge base for mechanism kinematic schemes, screw theory and dual vector representation are introduced briefly

    摘要簡要介紹了機械運動系統方案設計知識庫的結構和螺旋理論及對偶矢量表達。
  11. The kinematic synthesis equations for rrr and rpr groups have been established, respectively, based on the single - opened - chain ( soc ) theory and displacement matrix method. combining two kinematic synthesis equations for rrr groups, this paper presents the unified kinematic synthesis equations for hinged 3 - bar groups which are applied in function synthesis of planar watt, stephenson, and 6 - bar linkages

    基於單開鏈理論,應用位移矩陣法,分別建立了rrr和rpr兩種級桿組的運動綜合方程,再將兩個rrr級桿組的綜合方程聯立,得到watt型及stephenson ,型六桿函數發生機構中鉸鏈三桿組的統一運動綜合方程組。
  12. Automatic design theory and realization of kinematic schemes for mechanism system

    機構系統運動方案自動化設計原理與實現
  13. This paper presents the trajectory planning of five - bar hybrid driven mechanism based on inverse kinematic theory and spline interpolation function, analyses the effect of rotational speed of real time non - adjustable motor on the acceleration of the manipulator end point and real time adjustable motor, and then derives the mathematic relationship between them

    摘要運用逆運動學原理和樣條函數給出了混合驅動五桿機構的軌跡規劃方法,並討論了常速電機的轉速末端執行器和伺服電機加速度的影響,得出了他們之間的數學關系式。
  14. In order to make the mechanisms possess high efficiency, high stability, and low cost, a thorough study for constraints and overconstraints in the linkage mechanisms, self - adjusting mechanism and self - adjusting structures of the mechanisms, the degree of the influences of errors in different kinematic pairs on performance of the mechanisms, and the theory and method of designing for the mechanisms without overconsstaint was carried out in this dissertation. on the basis of the generalized constraints and on principle of designing and controlling the constraints advantageously, the conceptions such as basic constraint, statically constraint, and over - statically constraint were put forward for the first time

    論文的主要研究成果及創新點有以下幾部分: ( 1 )基於廣義約束的概念,從有利於設計和控制約束的原則,對機構及機械繫統中的常見約束進行了分類,首次提出了「基本約束」 、 「靜定約束」及「超靜定約束」的概念和分類定義;並首次將虛約束、重復約束、消極約束、多餘約束、過約束等概念,從本質上統一起來進行定義,將其都統一稱為「過約束」 。
  15. The estimation theory and methods on colored noises in kinematic navigation and positioning are systematically discussed in this dissertation

    本文系統地討論了動態導航定位中的有色噪聲估計理論及方法。
  16. At first, this paper briefly introduces the background and significance of research on estimation theory of colored noises. the influence function ( if ) ot the colored noises on the kinematic positioning is derived and analysed

    首先,簡要地介紹了有色噪聲估計理論的研究背景及意義,分析了有色噪聲的影響函數、變化規律和兩種傳統處理方法的優缺點。
  17. Consulting about foreign study, the research showed that the speed of firing can be improved by modifying the machanism of the automatic, and at the same time two problems must be solved, one is that more mechanisms should act at the same time to reduce the time of the whole actions of automatic mechanisms, the other is that the time of each mechanism ' s action should be reduced. the time can be reduced by several ways. the first one is to reduce the mass of mechanism, the second one is to increase the force applied on the mechanism and reduce the resistance, the third one is to shorten the working distance, the fourth one is to give abstention and cushion to mechanism before action ends. this thesis includes the following topics : discussion of the theory of the automatic and shell - swing design, establish the kinematic and dynamic models of the main structures in automatic and perform the corresponding mechanical analysis, set up a compendious cyclical diagram for the automatic ; the computer simulation to the navy gun ' s firing parts

    由現有艦炮自動機循環圖可知,制約射速提高的幾個因素是:後座、復進佔用的時間較長,約占總循環時間的三分之一;供彈機的動作單獨佔用循環時間,且較長;輸彈機的輸彈時間較長;各機構動作重疊少;參考國內外的研究情況,本文提出了在採用改進完善現有自動機機構來提高射速時,必須考慮以下兩點: ( 1 ) 、力求在同一時間內能使更多的機構參與工作,並處理好各動作之間的銜接(即介面技術) ,以便縮短整個自動機的動作循環時間。
  18. Based on the theory of mechanical optimization and finite element analysis, elbow - bar mechanism of the mp1040b moulding machines made by beiren group is investigated in the dissertation. firstly, a kinematic model representing the bar mechanism is built and the nonlinear system of equations is solved through the method of gradient. meanwhile, the angular displacement, angular velocity, angular acceleration and the corresponding curves of each component in a motion period are obtained

    本文以北京人民機器廠mp1040b型模切機肘桿機構為研究對象,以機械最優化理論和有限元技術為基礎,首先對模切機肘桿機構建立數學模型,通過梯度法求解此非線性方程組,並得出機構在一個運動周期中各構件的角位移、角速度、加速度等運動參數及曲線。
  19. Studying on the shakedown theories and plastic deformation of contact surface layer the shakedown of contact surface layer is related to the strain - hardening models of materials, such as isotropic hardening, kinematic - hardening, and mixed - hardening. the existing results based on experiments and theory show that the shearing strain behavior of contact surface layer caused by friction can be comparatively described with kinematic - hardening

    研究中,圍繞強化後接觸表面疲勞問題,從強化模型選擇、接觸表層安定性存在的條件及其失效規律,進行了詳細的概念定義、定理證明及推論演算等理論工作,為接觸表面層安定性的數值模擬和疲勞分析奠定了理論基礎。
  20. In this paper, the auv is the object of the research. in order to overcome the negative effects of the non - linear part of kinematic model, sea current and wave during motion control, a new type of neural network : fuzzy cerebellar model arithmetic controller ( fcmac ), together with an on - line learning scheme based on the lyapunov stability theory, has been adopted in designing the new motion control system. the simulation results have been compared with those generated by a classic pid controller

    本文以auv為對象,針對其運動控制中模型非線性部分對控制性能影響較大及有海流、海浪等外界干擾等特點,採用一種新型神經網路:模糊小腦模型關節控制器( fuzzycerebellarmodelarithmeticcontroller )並結合基於李雅普諾夫原理而推導出的學習演算法設計auv的運動控制系統,並與傳統pid控制器進行了模擬比較。
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