擺動值 的英文怎麼說
中文拼音 [bǎidòngzhí]
擺動值
英文
oscillating quantity-
Klingelnberg cyclo - palloid spiral bevel gear has construction cramped, excellent transmission quality, low noise and loaded vehavior, it ’ s the main form of gear drives in the bevel gear ’ s technology field. it ’ s cyclo - palloid system, two - part cutter head and high power gears ( hpg ), has certain technology particular than gleason spiral bevel gear. systemic analysing the manufacture principle and meshing principle of klingelnberg cyclo - palloid spiral bevel gear, for accomplishing design theory and analysis method, for enhancement manufacture precision and loaded behavior, for promotion and applied in engineering field, have important theory value and actuality meaning. main work of the paper is tooth form emulation and tooth contact analyse of klingelnberg cyclo - palloid spiral bevel gear
克林貝格( klingelnberg )延伸外擺線齒錐齒輪結構緊湊、傳動性能優良、噪聲小、承載能力高,是錐齒輪技術發展的主要齒制,其連續切削法,雙層刀盤技術和硬齒面刮削法( hpg )相對于格利森制齒輪有一定的技術特點。系統的分析這種齒輪的加工原理和嚙合機理,對完善其設計理論和分析方法,提高加工精度和承載能力,在工程中推廣應用具有重要的理論價值和實際意義。On the basis of this equation, the general differential equations of coupled bending, torsional and pendular nonlinear vibration about rotor with unbalance character and rubbing character are deduced. the bifurcation and chaos behavior especially the influence on bifurcation and chaos behavior of impact and rubbing fault rotor system
應用數值方法研究了碰摩轉子的彎扭擺耦合振動相應的復雜動力學行為,重點研究了轉子轉速、偏心量等系統參數對碰摩轉子彎扭擺耦合振動的分岔和混沌行為的影響以及扭轉振動和擺動振動對彎曲振動的影響。In this paper, the rotating machinery at high speed is studied. there are discussed about numerical calculating methods for non - linear dynamical system, the rotor system radial impact and rubbing dynamics behavior analysis having the nonlinear rigidity on the unsteady and non - linear oil film, the rotor system dynamics behavior analysis with bending - torsional - pendular coupling vibrations, application of wavelet, fractal and network in fault diagnosis. the main works in this paper are as follows : ( 1 )
本文以高速旋轉機械為主要研究對象,系統、深入地研究了非線性動力學系統的數值計算方法、具有非線性剛度的轉子系統在非穩態非線性油膜力作用下的徑向碰摩動力學行為、轉子彎扭擺耦合振動的動力學分析、小波和分形理論及人工神經網路在故障診斷中的應用問題。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。This arithmetic cast off serial addition idea, but entirely enumerate every pair of addends on a bit. and it also calculate two possible receiving carry value on each bit. so the addition can be operated through automatic selection, and complete collateral addition and carry operation
這種演算法擺脫了以往的串列加法運算思想,將每一位上兩個加數對的所有可能進行全列舉,同時考慮每一位上接受進位值的兩種可能,使得加法運算在自動進行選擇的過程中完成并行的加法和進位。In addition to the displays of beautiful flowers, artistic floral arrangements and landscape gardens of great aesthetic value, the show also provided a wide range of fringe activities that were both educational and recreational, covering horticultural seminars, floral art demonstrations, music and cultural performances, drawing competition for students, photographic competition, leisure activities, games for children and guided visits
會場除了展出極具觀賞價值的奇花異卉,以及各式各樣形態優美的插花擺設和園景布置外,還舉辦一連串教育與娛樂並重的活動,包括園藝講座、花藝示範、音樂演奏、文娛表演、學童繪畫比賽、攝影比賽、康體活動、兒童游戲及導賞服務等。An automated de - noising algorithm based on the energy of wavelet packet not donoho ' s threshold algorithm is established. a gear feature vibration signal extraction method using the wavelet packet energy is proposed, which can separate gear meshing vibration, noise vibration and gear fault vibration signal from the original gearbox case vibration signal. basis pursuit ( bp ) algorithm is introduced into the filed of mechanical signal de - noising and feature extraction for the first time
第三章擺脫了donoho的閾值消噪思想,從能量的角度建立了基於小波包的自動消噪演算法;提出基於小波包能量分佈的齒輪故障特徵信號提取方法,可以將齒輪嚙合振動信號、干擾振動信號以及故障沖擊振動信號從原始齒輪振動信號中分離出來;首次將基追蹤消噪演算法引入到機械故障信號的消噪與特徵提取上,通過對齒輪故障信號的消噪,表明了它的有效性,並對影響該方法實際應用效果的因素進行了全面的分析,同時也指出了該方法存在的局限性。The method using wavelet packet analysis is proposed to extract fault information from vibration signal obtained from testing jig of tilting train. the vector comprised of the energy of signal in all spectrum bands is input to a feed forward neural network
利用小波包分析,將擺式車體試驗臺上採集到的振動加速度信號分解在相互獨立的頻帶之p內,各頻帶內的能量值形成一個向量,將其作為神經網路的輸入特徵向量, 。The result of calculation shows that in that flood season of 1999, the flow of baini channel in networks was reciprocating flow for common ; it was in the extreme case of the storm surge, and affected by extreme velocity and topography, the flow in baini channel course and was rocking crookedly, this demonstrating the instability flow phenomena
計算結果顯示,在99年洪季時,河網內白坭水道流動為通常的往復流動;但在風暴潮極值狀態下,由於受極值流速及地形的影響,流動在白坭水道中彎曲扭擺,呈現出流動不穩定現象。Aimed at the equal - diameter cam mechanism with follower of planar movement, and according to two conditions of existing meaningful solution of the mechanism and of ensuring transmission angle of output swinging rod, the value selection ranges of cam motion angle, of swinging angle of out - put swinging rod and of its primary installation angle were analyzed and determined, and then proceed to plot the region graph of selectable value for motion angle of cam and swinging angle of swinging rod, thus provided convenience for the design and employment of that mechanism
摘要針對平面運動從動件等徑凸輪機構,根據機構存在有意義解和保證輸出擺桿傳動角兩個條件,分析並確定了凸輪運動角、輸出擺桿擺角及其初始安裝角的取值范圍,進而繪制了凸輪運動角與擺桿擺角的可選值域圖,為該機構的設計與使用提供了方便。On the basis of the known actual contour equation of cam in the disk typed cam mechanism with swinging oblique bottomed follower, this paper expounded another method for determining inversely the track equation of cutter center and the motion law of follower, and three key techniques in numerical inverse seeking were solved successfully by adopting the method of curve matching
摘要根據已知擺動斜底從動件盤狀凸輪機構的凸輪實際廓線方程,闡述了反求確定刀具中心軌跡方程和從動件運動規律的另一種方法,並採用曲線擬合等方法成功地解決了數值反求中的3個關鍵技術。Numerical calculation is applied to discuss the characteristic of bistable state of a revolving single pendulum, and the oscillation of revolving single pendulum in the large angle surround the steady equilibrium point is studied when single pendulum revolves with the angular velocity
摘要利用數值計算的方法分析了旋轉單擺以一定角速度旋轉時的雙穩態特徵及其圍繞穩定平衡位置的大角度振動。Second, the author introduced a new stability region, and programmed a trajectory of variable zmp, which was defined as a cosine curve ; the author also designed a cog - compensated method to keep the cog ’ s height ; based on dynamics of 3 - d inverted pendulum, the author educed the cog ’ s trajectory equation of the robot in the three - leg - support phase, and used third - order splint function to ensure the acceleration continuity of the robot ’ s cog in the four - leg - support phase. at last, walking patterns of the corresponding gait are generated through programmer design
然後,提出了一種新的支撐區域選取方法,採用了按餘弦規律變化的zmp運動軌跡;為了維持機器人行走時重心高度不變,採用了一套有效的質心高度保持方法;基於三維倒立擺模型,推導了機器人三腳支撐期質心運動軌跡方程;採用三次樣條曲線插值規劃了四足支撐期加速度連續的質心運動軌跡。Then as a typical example some results drawn by using the introduced methods of the vertical - axis cycloid turbine are given and compared with the experimental data. the purpose is focus on the validation of the introduced methods what are the foundations of the hydrodynamic performance calculation and the optimal method
然後以豎軸可調角直葉擺線式水輪機為例,計算了這種水輪機的各種水動力性能,給出了數值計算結果,對各種方法進行了分析並與已有的試驗結果進行了比較和研究,從而檢驗了各種理論計算方法的優缺點和可靠性。Op amps. output will swing in the direction that will force the inv - input level to try come closer to the non - inv input level
輸出朝一定方向擺動的運放將強迫反向輸入端的值更接近正向輸入端的值。Abstract : the paper shows the relative deformation function of the cam mechanism with a roller follower as a linear time - invariant system, and gives the detail about the response limitation for the dynamic design and modification of cam mechanisms. an example demonstrates this approach can improve the flexible cam mechanisms
文摘:以滾子從動件平面凸輪機構為分析對象,提出了相對變形函數這一新概念,並從理論上對其進行了研究,最後藉助於一凸輪機構在不同參數下其擺臂最大相對變形量的數值計算過程與結果,闡述了基於該理論的凸輪機構動態設計與修改的具體實現步驟與方法。In new state standard < < machining center testing items - accuracy testing > > [ refering to iso / dis10791 ], issued in 1999, the test of straightness accuracy has been changed. now it becomes more scientific and reasonable. in old state standard, the testing of straightness accuracy of kinetic part only focus on vertical and " horizontal plane, and it only includes two linear errors ; but in new state standard, we not only measure those two linear errors, but also measure the errors of pitching, deflecting, and inclining of the kinetic part, so it includes two linear errors and three angle errors
1999年公布的國標《加工中心檢驗條件?精度檢驗》 (參照iso dis10791訂)中,直線度等項的檢測做了更為科學的實質性更改,坐標移動的直線度以由只檢測垂直面和水平面內的兩個平移線值誤差,改為用移動坐標方向之外的另兩個坐標的平移線值誤差和移動部件繞三個坐標軸的俯仰,偏擺和傾斜三個角值誤差綜合表徵。In this article the aerial working platform of straight - arm mode is mainly studied on the basis of analytical mechanics, namely the system is described with lagrange equations and a mathematical model is built. then a certain aerial working platform is analyzed and some conclusions have been drawn that the effects on vibration when correlated parameters are changed
並針對具體實例,討論了各個參數在系統整體擺動中對臂架頭部,即操作人員的工作位置處振動的影響程度,及一些隨著參數值的變化,振動幅度的變化規律。This paper introduces the trolley - lifting load movement model and the revised model with damp for container crane operation simulator, works out swing angles of the load in different conditions by means of numerical analysis method and discusses effectiveness of the reducing swing by controlling trolley moving
摘要給出了在港口集裝箱起重機虛擬操作訓練系統中小車吊重的運動模型及加阻尼項后的修正模型,並採用數值計算方法求得了在不同工況下的吊重的擺動,且討論了控制小車運動時的吊重減搖效果。The theory of fuzzy reliability design is applied to study the anti - vibration design of the driving shaft of swing movable teeth reducer. the randomness of working frequency and the fuzziness of the critical speed bonder are discussed. the corresponding formulae of calculating the fuzzy reliability are presented
將模糊可靠性設計理論引入擺動活齒減速器輸入軸的抗共振設計中,分析了擺動活齒減速器工作頻率的隨機性和共振區邊界取值的模糊性,並給出了相應的模糊可靠度計算公式。分享友人