連續滑動 的英文怎麼說
中文拼音 [liánxùgǔdòng]
連續滑動
英文
continuous slippage- 連 : Ⅰ動詞1 (連接) link; join; connect 2 (連累) involve (in trouble); implicate 3 [方言] (縫) ...
- 續 : Ⅰ形容詞(連接不斷) continuous; successive Ⅱ動詞1 (接在原有的后頭) continue; extend; join 2 (...
- 滑 : Ⅰ形容詞1 (光滑; 滑溜) slippery; smooth 2 (油滑; 狡詐) cunning; crafty; slippery Ⅱ動詞(貼著物...
- 連續 : continuation; succession; series; continuity; continuing; running; continuous; successive; contin...
- 滑動 : slither; slippage; slipping; slide; sliding; run; sliding movement [motion]; glide; slump滑動閘門...
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Nevertheless, in these approaches the contact intethee are charactered sboly ed stiffeess k. and k. " which is not perfect and rigorous in thc vitw of solid mechanics and rather rough for the description of the behavior of the idtfores. in collbet, taken as a contact problem, the principal chatrs of the idtcthees can be reflected : ( l ) the cbntact inifore is of shear strength which implies tha a generic pair of contact points on the inidse will displace coincidentally if the tangential fbrce at this point has not reahed the 1imit resistance, else, relative s1ide betwee the points will occur along the tangental direction. ( 2 ) no matter the relative slide occurs or not, the contact bodies cannot invade each other in any wise
本論文在對這兩種方法進行認真的分析后,說明它們對不連續面的描述並不合理,也無法反映出不連續面的主要力學特性,同時指出,將帶有不連續面的巖土工程問題作為接觸問題計算更為合理,它可將不連續面受力變形的主要特點反映出來,即: ( 1 )接觸面具有相應的「抗剪強度」 ,即當接觸面上某一點處的切向應力小於該點處的抵抗強度時,點對共同變形;達到強度時,則沿切向發生相對滑動; ( 2 )在整個變形過程中,發生接觸的變形體不能相互侵入。By placing the clutch on the driven pulley, the pulley can remain spinning even when the car is stopped
將離合器安裝在從動輪上,即使停車時滑輪也能夠連續旋轉。When a small window is selected, the local signals can be derived. when a large window is selected, the global information is calculated. using the wavelet de - noising techique, the isochore boundaries in human genomes are correctly located by combination of the information derived from two scale windows
本論文提出組合窗口模型方法識別人類基因組的isochore邊界,利用滑動窗口可以連續地提取基因組的g + c含量,小尺度窗口可以提取局域信息,大尺度窗口可以提取全局信息,組合兩方面的信息,並結合小波消噪技術可準確地識別人類基因組的isochore邊界。Morphing is the continuous smooth and natural transformation of a source object into a target object, where the object can be a numerical image, curve, surface, mesh, etc. morphing has very wide use in many areas, such as computer graphics, animation design, industrial modeling, science computation visualization, film stunt, etc. this paper makes researches on the morph of compatible planar triangulations and that of planar polygons, and the main results are as follows : 1 ) morph of compatible planar triangulations : this paper presents a convexity - preserving method for morphing compatible planar triangulations with different convex boundaries
變形,是指從初始物體到目標物體的連續、光滑、自然的過渡(這里的物體可以是數字圖像、曲線、曲面、網格等) 。變形在許多領域有著十分廣泛的應用,如計算機圖形學、動畫設計、工業造型、科學計算可視化、電影特技等。本文對同構平面三角網格的變形和平面多邊形的變形進行了研究,主要的研究結果如下: 1 )同構平面三角網格的變形:提出了具有不同凸邊界的同構平面三角網格的保凸變形方法。The total auto symbol recognition disposition method proposed in this paper can deal with the problem which converts papery of aircraft theory graphics or system graphics into vectorgraphs which can lose some useful information. furthermore, the display technique with multi - level buffer not only resolves the problem of high - speed for aircraft theory graphics or system graphics in cbt, but also ensures scrolling and zooming in / out smoothly and avoids the flashing phenomenon efficiently
目前紙質的飛機系統圖、原理圖矢量化方法用基本的矢量圖元按其位置來再現原始圖,從而導致矢量后圖中各符號整體信息丟失問題,該文提出的自動符號識別方法可有效地解決該問題,此外改進多級緩沖顯示技術不但可有效地解決cbt中系統圖、飛機原理圖的快速顯示,而且也保證圖形可連續光滑滾動和消除放縮拖動時屏幕閃爍現象。So the sliding mode variable structure controller was discussed, which has strong robustness against the disturbance, and the chattering phenomenon inherited from vsc was taken advantage to regular valve vibration for the purpose of avoiding coagulation on it, while precision of level control can be almost unaffected. but for the reason of control limitation, especially the acceleration insufficiency, the continuous time quasi - sliding mode vsc for one class of controllable system, as the substitution of ideal sliding mode control system, which was impossible to implemented, was researched, including the three essentials, reaching condition in particular, and the chattering ex - pression was given. furthermore, the effect to quasi - sliding mode motion and chatter - ing expression by extent disturbance was also analyzed
由於控制量相對受限制,並且主要體現在控制量加速不足方面,無法實現理想的滑模變結構控制,因此本文研究了一類能控系統在這種情況下的連續系統準滑模變結構控制,包括變結構控制三要素,尤其是到達條件;並且針對塞棒掛渣問題,給出了該情況下抖振的表達式;魯棒性方面,分析了外界擾動對準滑模運動的影響,並且給出了外擾作用下抖振的表達式。In actual engineering applications, its wear resistance reduces due to the high temperature resulted from the continuous and heavy load service, which cannot fit the demand of engineering applications. based on the recent research throughout the world, in order to improve mechanical properties and wear resistance at high temperature of za27 alloy, si and mn are added to modify its microstructure. its microstructure and mechanical properties are tested and the sliding friction at ambient temperature and sliding friction at high temperature of znalsi and znaimn are studied
本文研究了za系合金中應用最廣泛的za27合金,針對企業在工業應用過程中發現za27在中低速重載連續工作時,因溫升造成耐磨性下降,難以滿足工況要求的實際情況,為進一步提高其力學性能和高溫耐磨性,結合國內外研究現狀,在za27合金基礎上,添加si 、 mn合金元素調整合金的組織,通過顯微組織分析和常溫機械性能測試,以探索znalsi及znalmn合金常溫及高溫滑動摩擦條件下的摩擦特性。In the higher velocity, especially in the critical velocity, the continuous model is invalidity. 2, in this paper, assume that the track and wheels are ideally smooth and no carriage or wheel - axle bending vibrations occur. invoke the basic hypothesis of the bernoulli - euler theory of beams : namely, that plane cross - sections initially perpendicular to the axis during bending
2 、在對連續性模型的分析基礎上,假設軌道與車輪為理想光滑的、沒有車輛和輪軸激起的振動,引用bernoulli - euler梁理論的假設:即垂直於梁軸線的橫截面在彎曲過程中仍然垂直於梁的中性軸。Research on the sliding mode of semi - active control on vertical vibration for continuous beam bridge
連續梁橋豎向振動半主動滑動模式控制研究Hsieh, j. g. ;, su, j. p., and j. h. hwang, 1990, further generalization of robust stabilizer synthesis for uncertain systems, proceeding of national symposium on automatic control, hsinchu, taiwan, pp. 298 - 302
蘇仲鵬,黃井廷,林銘君, 1998 ,非線性系統參考模式模糊適應性連續型滑動模式控制, 87年全國自動控制研討會論文集Based on variable zmp and dynamics of 3 - d inverted pendulum, we educed the cog ( center of gravity ) ’ s trajectory equation of the robot in the single - support phase and transition of locomotion phase. and we used third - order spline function to ensure the acceleration continuity of the robot ’ s cog in the double - support phase. thereby, the smooth trajectory of cog was gained by planning
由基於可變zmp和三維倒立擺的動力學原理,推導出了單腳支撐期內和步行方式轉換期間機器人的質心運動軌跡方程;並採用三次樣條曲線來保證機器人在雙腳支撐期質心加速度的連續性,從而由規劃得到了光滑的質心運動軌跡。Standard specification for special purpose, smooth - tread tire, operated on fixed braking slip continuous friction measuring equipment
工作在固定製動滑移連續摩擦測量設備上的專用光滑輪面輪胎的標準規范After introduced its task and construct of the controller of the homing gliding missile, the longitudinal and lateral motion equations are provided. a continuous fuzzy - pid control system combined the advantages of fuzzy control and pid control is presented, and could be guaranteed the stability of the system using popov stability criterion. the results of simulation show that the fuzzy - pid control is able to provide a better relative stability and robustness, also have better dynamic and static characteristics than the pure pid control
將模糊控制和pid控制相結合,研究了一種基於模糊pid的連續控制器,利用波波夫穩定判據判定該控制器是漸進穩定的,並將其應用於制導滑翔彈俯仰角、偏航角、滾轉角穩定迴路中,設計模擬結果表明,該種連續控制器可使系統獲得很好的穩定性和魯棒性,動、靜態性能比單純pid控制都有較大提高。The control theory of chaotic dynamical system mainly contain learning control with distal teacher, adaptive state feedback control, sliding - mode synchronous control and passive equivalence control, with which we can realize the stable control of chaotic system
針對連續混沌動力學系統,採用遠程學習控制、自適應狀態反饋控制和滑動模態同步控制以及等效無源控制等控制策略,實現連續混沌動力學系統的快速穩定。The dissertation refers to comparatively full literatures in the field of vsc, and the development history and characteristics of vsc are summarized, and the elementary concepts, elementary definitions, elementary properties, elementary principles and design methods are particularly introduced, and the causes of the chattering phenomenon are systematically analysed, and the study status of the chattering phenomenon and the main methods to eliminate the chattering are elaborated. for the deficiencies of traditionary methods, three improved methods are developed, which are improved exponent reaching law solution, variable boundary layer solution and the solution by adding an auxiliary continuous control term. for uncertain linear systems, an adaptive fuzzy integral variable structure control stategy ( afivsc ) is put forward to eliminate the chattering around the sliding plane, which introduces fuzzy logic to soften the non - linear discontinuous sig nal in the control variable and utilizes adaptive theory to adjust output membership function according to how much the uncertainty of the system is
比較全面地查閱了關于變結構控制理論的文獻,總結了滑模變結構控制的發展歷史和特點,詳細介紹了變結構控制的基本概念、基本定義、基本性質、基本原理以及設計方法;系統分析了變結構控制系統抖振產生的機理,並闡述了國內外目前對抖振問題的研究現狀以及消除抖振的主要方法;針對傳統抑制和消除抖振方法的不足,改進了傳統方法,得到了三種新的消除抖振的方法? ?即改進的指數趨近律法、可變邊界層法和附加連續項法;針對不確定性線性系統,在變結構控制策略中引入模糊邏輯和自適應理論來消除滑動平面上的抖振,提出了一種自適應模糊積分變結構控制方案( afivsc ) ,利用模糊邏輯來柔化控制量中非線性不連續部分,採用自適應理論,根據系統不確定性大小在線調整模糊輸出量的隸屬函數,另外,鑒于模糊控制本質上是有靜差的,所以本文選擇了帶積分項的切換函數,由於積分項的存在使系統較正為無靜差系統。With different clearance value, displacement curves and velocity curves of generalized coordinates as well as slider displacement error curves in a motion period are obtained. these curves are discussed. results show that if manufacturing cost is kept invariableness, in order to improve precision of mould - cuting, fitting precision of joint connecting the crank and coupler has priority to be considered to increase
採用四階rong - kuta法求解連續接觸模型的動力學方程,得到了一個運動周期內運動副間隙取不同值時,各廣義坐標的位移、速度曲線和滑塊位移誤差曲線,並通過曲線分析,得出了要提高模切機主切機構精度,在相同加工成本條件下,應優先考慮提高曲柄與連桿鉸接處的配合精度的結論。Abstract : to facilitate the design, teaching and research of asphalt pavements, the article founded the models of displacement and tensile stress of three - layer system by using separation of variables, analysis and synthesizer. based on the analysis of common pavement structures and their equivalent conversion, the regression formulas of displacement and tensile stress are obtained successfully, furthermore the formulas applied in multi - layer system are checked. a great number of results of regression formulas show good accuracy for engineering application and theory research
文摘:為方便瀝青路面結構設計生產、教學、科研之用,本文採用分析綜合法與分離變量法建立了彈性三層體系應力位移顯式模型;並在分析常見路面結構層厚度及其當量換算和模量變化范圍的基礎上,成功求得了三層體系路表彎沉、上層滑動應力、上層連續應力、中層應力逼近公式;精度分析表明本文逼近公式精度很好,完全可推廣應用於多層體系,滿足工程設計和有關理論研究的需要The cycloid function is used to generate the horizontal and vertical foot trajectory respectively, and a modified cycloid function is used to make the acceleration curve of the joint more smooth and successive, the trajectory and drive moment of each joint is calculated by simulation
使用擺線函數分別產生足的水平和垂直方向的運動軌跡,用修正擺線函數使其加速度進一步平滑、連續,對各關節的運動軌跡和關節驅動力矩進行了模擬。In the dvscs the switching control is not ideal continuous and smooth any more, it is only a quasi - sliding mode
在離散系統變結構控制中的切換不再是連續的、光滑的,而只是一個準滑動模態。On the basis of displacement - time series of the slope, a nonlinear dynamic model is set up according to backus generalized linear inversion theory in this paper. due to the equivalence beween autonomous gradient system and catastrophe model, a standard cusp catastrophe model can be obtained through variable substitution. the method is used in analysis of displacement data of huangci landslide and wolongsi landslide and in understanding how slopes evolve before sliding. the result shows that the nonlinear dynamic model can make satisfactory prediction result. is it most important that there is a sudden fall of d, which indicates the occurrence of catastrophe ( when d = 0 )
研究表明,滑坡變形失穩過程具有混沌和分維特性,可以用分形理論來研究滑坡預測問題,基於對任一連續函數,至少在較小的鄰域內可以用多項式任意逼近的數學理論,運用改進的backus廣義線性反演理論,以斜坡位移時間序列為基礎,反演了斜坡演化的非線性動力學模型。並利用自治梯度系統與突變模型的等價性,通過變量代換得到標準的尖點突變模型。分享友人