dynamics off 中文意思是什麼
dynamics off
解釋
動力學關-
In this paper, ackerman steering linkage of double - wishbone suspension is taken as the study object, choosing the splitting joint and steering lever joint to carry out the design of optimization the mathematics models are established based on the multi - body system dynamics, applying its analysis method of kinematics to study the mechanism kinetic principles owing to more spatial factors considered, and calling off many hypotheses affecting the accuracy, compared with the traditional methods, the models are better to reflect the realistic motion principles, the results are more exact and applicable moreover, the force analysis is applied to the conduct mechanism the analysis method of dynamics in the multi - body dynamics is applied to study the forces applied on every component, working out the constraint reaction force of up and down ball joints, and developing the current computation program in the end, produce the upper wishbone geometry model in the ansys software package, meshing and carrying out the fea, testifying if the intensity of the wishbone meet with the requirements
本文以雙橫臂獨立懸架的轉向傳動機構作為研究對象，選擇對斷開點和節臂球銷的位置進行優化設計，在此基礎上建立了基於多體系統動力學的導向機構和轉向傳動機構的數學模型，運用該學科的運動學分析方法研究機構的運動規律，編制了通用優化設計軟體。由於考慮了更多的空間因素，取消許多影響準確性的假設，因此建立的數學模型與傳統的方法相比更能反映實際運動規律，得到的優化結果也更加精確實用。此外，本文還針對導向機構進行受力分析，在建立該機構的空間動力學模型后，運用多體動力學中的動力學分析方法研究各個桿件的受力，計算出上下球鉸的約束反力，並開發出了相應的通用計算程序。 -
This paper relies on country 863 project " taking off levelly, two stage to orbit and transatmosphere flight vehicle system design ", research towed flight dynamics primarily, development for our country air launch technology of carrier rocket, offering the essential technological reserve
本論文以國家863項目「水平起飛兩級入軌跨大氣層飛行器總體設計」為依託，對牽引飛行動力學進行初步研究，為我國研究運載火箭空中發射技術提供必要的技術儲備。 -
In this dissertation, according to the theory of mechanical dynamics and multi - body dynamics, a simulation model of nj2046 light off - road vehicle including suspension system, steering system and tires is built with the software carsim and so the vehicle steering characteristics are analyzed with the step angle input of steering wheel. it is found that the steering characteristics are different when the velocity and load are different, and the relationship between steering characteristics and velocity and load is presented
本文根據機械繫統動力學、多體動力學理論，運用動力學模擬軟體carsim建立了包括懸架系統、轉向系統和輪胎等模型的nj2046越野汽車整車模擬模型，在此基礎上分析了nj2046越野汽車在方向盤轉角階躍輸入時的轉向特性，通過對不同車速、不同載荷條件下的模擬計算，得出了在這些條件下該車具有的不同表現特徵，揭示了轉向特性與車速、載荷和輪胎的內在關系。 -
Meanwhile, fundamental principles about electroless tin plating by reducing agent and disproportionation reaction were explained. function of every component in the bath was explained that complexing agent can effectively change the potential of copper and tin, and accelerate the beginning of replacement reaction favorably ; reducing agent can increase the rate of chemical reaction and has the effect of promoting reaction dynamics too ; antioxidant can effectively prevent sn2 + in the bath from being oxidated ; additive agent a can improve the stability of the bath ; additive agent b has such effects as refining and brightening for the tin deposits, and it enlarges the range of brightening section ; additive agent c used as leveling agent can not only make the depostis level off, but also improve the dispersive ability of the bath ; surface - active agent can solve bubble problem which gathered on the surface of the deposits, and improve the surface quality of the deposits and the bath stability
闡述了鍍液中各組分的作用：絡合劑能有效地改變銅、錫的電位，促使初期的置換反應順利進行；還原劑能加快化學反應速度，對反應動力學有積極的促進作用；抗氧化劑能有效地防止鍍液中sn ~ （ 2 + ）的氧化；添加劑a能提高鍍液的穩定性，添加劑b對鍍層能有細化和光亮作用，擴大了鍍層光亮區的范圍；添加劑c作為平滑劑，不僅能增強鍍層表面的平整性，而且能提高鍍液的分散能力；表面活性劑較好地解決了化學鍍過程中汽泡在鍍件表面聚集的問題，提高了鍍層的表面質量和鍍液的穩定性。 -
4. a novel three spring - mass structure is designed to close off the cross - axis coupling, the simplified dynamics model of which is worked out
4 .針對機械耦合誤差，提出了一種隔離耦合的三質量塊結構，建立了該結構的簡化動力學模型。 -
Secondly, towed system is considered as many rigid body systems. according to research approaches of many rigid body systematic dynamics, the towed systematic engagement calculating models is derived ; according to actual course of the towed flight, deriving mathematics model of the course of taking off and towed flight of the towing plane and of carrier rocket, and corresponding parameter calculate models
其次將牽引系統作為多剛體系統宋考慮，根據多剛體系統動力學研究方法，建立牽引系統約束方程，由此推導出約束力計算公式；根據牽引飛行實際過程，推導出載機、運載器在起飛階段，巡航飛行階段的數學模型，以及相應的參數計算模型。 -
In this paper, the three level fortification criterion, two stage design method and the elastic response spectrum theory are adopted, and the program of nba ( the program of nonlinear - aseismic analysis for beam bridge ) is used to calculate. through gathering, analyzing and calculating a lot of bridge design materials, this paper induces a simple way to calculate the relative displacement of the beam and the pier, and then according to the current design method, it concludes a better design principle of the supporting length of the beams. at the same time the dynamics is adopted to put forward the design method of the carrying capacity and the lengthen of prestress wire ( steel bar ) falling - off prevention structures of highway bridges
本論文採用三水準設防、兩階段設計方法、彈性反應譜計算理論，運用橋梁結構非線性地震響應分析程序nba （ theprogramofnonlinear ? aseismicanalysisforbeambridge ）進行計算；通過收集大量的實橋設計資料，經分析計算，歸納總結出計算上下部結構相對位移的簡便計算方法；並綜合國內外的經驗值，提出梁的支承長度se的設計原則；同時運用動力學突加荷載的原理，推導分析了預應力鋼絞線式（鋼棒連接式）落梁防止裝置設計承載力的計算方法和設計伸長量s _ f的取值；最後本文通過實橋計算，說明了落梁防止系統設計的方法。 -
Exploiting the long jump technique parameter and treading strength in the planting step - time curve, and analyzing the kinematics and dynamics reasons for the loss of approach velocity, taking - off rapid supporting and stretching in the generating mechanism of vertical velocity during long jump take - off, the essay puts forward a new view of generating vertical velocity and offers a new thought for creating training of long jump
摘要利用世界優秀運動員的跳遠技術參數和跳遠踏跳階段踏跳力時間曲線，剖析助跑速度損失量、起跳快速支撐和蹬伸在跳遠起跳垂直速度的生成機制中的運動學和動力學原因，對跳遠垂直速度生成提出了新的見解，並為創新跳遠訓練提供了一條新的思路。 -
The existence of such mechanism in urban construction system driven by real estate is proved. the mechanism is a " double - edged sword ". when dynamics inside the system is off balance as now, it causes global polynary convergency ; but if the localizing factors can be strengthened in the dynamics, it should be possible to achieve integrity of urban architectural scene via the same mechanism, thus benefits urban identity
第三部分針對其中之一種可能性，即城市建設中建築風貌的自組織機制進行了個案研究，並指出它是一把"雙刃劍" :由於宏觀機制的不健全和相互作用的不均衡，致使城市在這套機制的作用下走向全球化的多元趨同;反之，如果能夠加強其中的本地化作用因素，則有可能利用這套機制實現城市建築風貌的整體性，進而有助於塑造城市特色 -
In the research of non - liner variable control methods, the paper brought forward a kind of variable structure control machine with time - changing, non - liner, " standard time optimization " on - off super curved surface. the automatic system designed had quick dynamics - respondence, little, powerful robu
在非線性變結構控制方法研究中，本文提出了一種具有時變、非線性、 「準時間最優」開關超曲面的變結構控制器，由此所設計的控制系統動態響應速度快，超調小，魯棒性強，無穩態誤差。 -
Lastly, establish the rigid - body spaceship attitude kinematics and dynamics equations, and primarily design the spaceship attitude law including limit loop parameters and two kind switch curves. analyze the astronaut ’ s disturbance moments. put the disturbance moments of typical astronaut ’ s push - off act as the input datas of the control system simulation, and analyze the response of the attitude control system after disturbed
最後，建立剛體飛船姿態運動學及動力學方程，並對飛船姿態控制律進行了初步的設計，包括極限環參數的設計和兩類典型的開關曲線的設計;對航天員擾動力矩進行了分析;以典型的航天員推離動作對飛船的擾動力矩作為控制系統模擬的輸入參數，分析姿態控制系統受到擾動后的響應。 -
The value rationality of cultural dynamics and the subjective consciousness of complete well - off society
文化力建設的價值理性與全面建設小康社會的主體自覺
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