differential force 中文意思是什麼

differential force 解釋
差動力
  • differential : adj 1 差別的,區別的;特定的。2 【數學】微分的。3 【物、機】差動的,差速的,差示的。n 1 (鐵路不...
  • force : n 1 力,勢。2 體力,氣力,精力,魄力。3 暴力,壓力;兵力,武力。4 〈pl 〉 部隊,軍隊,兵力。5 勢...
  1. It is difficult to ensure the steady suspension of the join - structure if the control method of the two suspension points is designed independently, so the coupling force between the two points must be taken into account. in this dissertation, the model of the join - structure is built. the model is decoupled and linearized by differential geometry method

    但是,同一搭接結構上的兩個懸浮點之間具有很強的耦合作用,在對搭接結構進行懸浮控制時,如果對兩個懸浮點獨立進行懸浮控制設計,很難使搭接結構穩定懸浮,因此必須考慮它們之間的耦合作用。
  2. This paper uses for reference with an example of frame - shear wall structure and studies the conceptual design and method for optimizationof structural system. through establishing frame - shear wall structure unisonous differential eguation and finding a result, the side shifting curve, moment and shear force distribution curve are obtained under inverted triangle load action on the frame - shear wall structure. after analyzing and comparing, the range of best rigid characteristics for such structure has be gotten

    本文結合框架-剪力墻實例,研討了結構體系的概念設計和整體優化方法。通過建立框-剪結構協同工作的微分方程及求解,得出框-剪結構在倒三角形荷載作用下的側移曲線、彎矩、剪力分佈曲線,經分析對比,得出框-剪結構最佳剛度特徵值區間。
  3. The differential equations of rigid body compound motion in analytical form were derived. the approach to solve dynamics equations one by one and corresponding means to analyze drive force were submitted, which was the basis for further study on kinematics and dynamics of the mechanism

    著重論述了反三角函數唯一值的求解方法,推導了解折形式的剛體復合運動微分方程,提出動力學方程組逐次求解的方法和與之配套的驅動力分析方法,為后續的運動學和動力學分析奠定基礎。
  4. A set of non - linear differential equation of this model is formulated based on lagrange ’ s equation. the tension of the cable, the control force of translation and the control torque of rotation are obtained by the method of newton ’ s laws in vector space. the tethered mass system is modeled as a spherical pendulum

    本文基於一種常見的繩系單體系統,運用lagrange方程建立了該系統的非線性運動微分方程,採用矢量法對該運動微分方程進行了校核,並推導出吊索的張力、變幅控制力和回轉控制力。
  5. Development and application of the differential pressure control valve of self - force type in the circulating compressor

    自力式差壓控制閥的研製及在循環壓縮機上的應用
  6. 2. dynamics analysis : by setting up jacon matrix differential coefficient sport is passed to descartes space. it makes terminal executing manipulator produce differential coefficient of acceleration and force in every different coordinates can be got. then the effective inertia, coincident inertia and gravity load of two manipulators are calculated by lagrange method. so generalized joint torque of each joint is got, and along with equivalent driving torque, actual driving torque of each joint can be worked out. 3

    動力學分析:建立雅可比矩陣將關節空間的各關節的微分運動傳遞到笛卡爾空間,使末端執行器位姿產生微分運動,以用於求加速度及力在不同坐標系間的線性變換,再用拉格朗日法計算兩機械手的有效慣量、偶合慣量、重力載荷,從而計算得到各關節的廣義關節力矩,並與等效驅動力矩共同算得各關節的驅動力矩。
  7. In chapter 2, author points out firstly that the elastic deformation of elastic units of a robot ' s wrist force sensor will be enlarged by the end - effector, the instruments and the work pieces, so the elastic deformation of the sensor will influence the location accuracy or kinetic accuracy of end point of a robot, under the condition of that the robot technology facing the developing of heavy load, light mass and high accuracy. it is discussed respectively that the relationship between the differential kinemics in the sensor ' s coordinate and the location accuracy or kinetic accuracy of the end point. error matrixes of location and kinemics of the end point are presented respectively based on the differential kinemics in the sensor ' s coordinate, and the on - line error compensation methods are introduced subsequently

    第二章首先指出機器人腕力傳感器彈性體的彈性變形經過機器人末端連桿、工具、工件等的放大后,會對機器人末端精確定位和運動產生的影響;然後分別研究了傳感器坐標系內的微分運動與機器人末端工件精確定位、運動的關系;在此基礎上,研究了基於腕力傳感器彈性體微分運動的機器人末端定位、運動誤差的誤差矩陣及其在線誤差補償方法;基於機器人動力學的機器人末端定位、運動誤差的誤差矩陣及其在線誤差補償方法;最後,以puma型機器人為對象,給出了基於腕力傳感器內微分運動的機器人末端定位、運動誤差及其在線補償方法的模擬實例:給出了基於機器人動力學的機器人末端定位、運動誤差及其在線補償方法的模擬實例;模擬結果表明, 1 )基於腕力傳感器的機器人末端定位誤差在腕力傳感器允許的載荷下可達十分之幾毫米級。
  8. A force - method equation about unknown nodal forces of the composite beams is proposed based on the governing differential equation

    在粘結剪力和滑移微分控制方程的基礎上,建立了關于組合梁單元桿端未知力的力法方程。
  9. In order to develop and consummate the analysis theory and calculation method of base - isolated structures, based on the research on restoring force model of isolation systems and the analysis on the nonlinear seismic response of base - isolated structures, the analysis on multi - dimensional and lateral - torsional coupled seismic response of base - isolated structures is developed in this paper. according to the mechanical performance of isolation systems, detailed analysis and improvement of the present research, an unilateral and a bilateral coupled visco - elastic hysteretic model for rubber bearings, an unilateral and a bilateral coupled visco - elasto - plastic differential hysteretic model for lead rubber bearings, an unilateral and a bilateral coupled modified visco - plastic differential hysteretic model for sliding friction bearings are proposed

    為進一步發展和完善基礎隔震結構分析理論和計算方法,本文以隔震系統恢復力模型研究及基礎隔震結構非線性地震反應分析為基礎,對基礎隔震結構的多維地震反應及平?扭耦聯地震反應開展了以下幾方面的研究工作:根據隔震系統力學性能的特點,在現有研究成果的基礎上,對隔震系統恢復力計算模型進行了改進和創新,提出了普通疊層橡膠支座單向及雙向耦合粘彈性恢復力計算模型,鉛芯疊層橡膠支座單向及雙向耦合粘彈塑性微分型恢復力計算模型,摩擦滑動支座單向及雙向耦合修正粘塑性微分型恢復力計算模型。
  10. To ensure the charging pump working reliably, the following measures should be adopted : ( 1 ) adopting modified circular casing to reduce the radial force of the impeller and decrease the seal clearance ; ( 2 ) using radical ribs on impeller and helical sealing on shaft to realize minor pressure differential ; ( 3 ) using back pressure stuffing box to ensure sealing under small packing force ; ( 4 ) adopting self - lubricant flexible graphite stuffing for absorption of solids entering in the graphite in case of leaking

    為確保灌注泵可靠工作,提出改進措施: ( 1 )採用改型環形泵體降低葉輪的徑向力,減小軸封間隙,抑制泄漏; ( 2 )採用背葉片降低葉片根部壓頭,獲得微壓,使軸封兩端承受較小壓差; ( 3 )採用螺旋密封降低軸封兩端壓差,在保持微壓的同時避免出現負壓,密封效果更好; ( 4 )採用反壓式填料密封結構,在很小的壓緊力下,即可保證密封; ( 5 )採用具有潤滑功效的柔性石墨填料,即使發生軸封泄漏,進入石墨內部的固相顆粒也將隨著石墨的消耗而被鉆井液吸收。
  11. Then, taking into account the effect of the compression of the approach roadway and the differential slope of the bridge slab, the author analyzes the dynamic response of man - vehicle - road system when the vehicle approaches and leaves the bridge by means of laplace transform, the curve of man ' s acceleration versus time, the vertical force between the vehicle and road versus time, the man ' s maximum transient vibration value and the maximum force between the vehicle and road are got, and the program about the calculating progress above are edited. based on the analysis above, the influence on the maximum transient vibration value of some parameters about the vehicle and road such as the movement direction and speed and weight of the vehicle, the differential slope of the bridge slab and the length of the approach slab, are studied, and some conclusion are given

    分上橋和下橋兩種情況,考慮車路耦合和橋面沉降坡差的影響,對車輛通過設和不設搭板的路橋過渡段時「人?車?路」系統的相互作用用拉普拉斯變換法進行了動力響應分析,得到了人的加速度及路面對車的垂直作用力隨時間的變化曲線、人的加速度最大瞬態振動值和路面對車的最大作用力,分析了車輛的行進方向、速度和載重,橋面沉降坡差和搭板長度等車和路各參數對計算結果的影響,並編制了相應的計算程序。
  12. Researching on the technology if reverse order is to study strains if pits, structural systems if basement, environmental surwey and underpinnings. on account of emphasizing developing methods if checking strength if pick - ets, modemizing machenes of excavation and studying methods of underpinning is put forward and is a way if controlling the quality of pickets in sites, which leads an active effect ; synthetic application if rankintheory, spatial and time effect theory to excavation tl aanalyze the state of soil force and strain is brought forward and the time effect should be considered in the zone of clay, the formation and development of soil plasticity are analyzed and the most dangerous zone to decide how to excavate and where to begin is found ; analyzing the cause of picket settlement during reverse order and the differential settlement and discussing hlw to solute it. duringh the temporary survey and the environmental warship, bringing rorward the theory of environmental vibration and analyzing the state of soil force and probability of losing stabilization of soil under the effect of environmental vibration ; analyzing the state offeree in underground concrete wall by the method of mathematics and pointing out the place of the maximum force and deformation. based on systematic illustrating the reverse order, problems about application and development of reverse order and suggestions also are expressed

    鑒于國內外的研究把重點放在大力發展工程樁的實驗室承載力監測方法與設備、如何使土方開挖機械現代化及對周圍建築的臨測方法上,本文提出了現場利用聲波層析成像技術監測鋼砼樁內部質量的方法與程序,並得出了聲波層析成像技術是砼樁的動態質量檢測的有效手段,這對指導施有積極、現實意義;提出了綜合運用朗肯土壓力理論、基坑空間和時間效應影響理論來分析逆作法施工過程中基坑邊坡土體應力及應變的變化情況,指出粘土地區也應考慮時間效應,並且進一步分析了基坑邊坡土體的塑性區形成和發展,找出邊坡最不利的區域,以確定地下室土體的挖掘的方式和順序,指出憑主觀臆斷與經驗來施工是不可取的;在分析、經較逆作法與大開挖順作法的地下室結構體系受力情況及施工順序的不同,提出了節點處理技術;分析了逆作法施工期間樁的沉降變化原因及由此而產生的差異,並探討了解決的方法;本文還提出了環境振動對土體邊坡穩定產生影響的觀點,並分析了在環境振動影響下,土體的應力狀態及土休失穩破壞概率,並且還運用彈性力學知識和數學分析的方法定量地分析了地下混凝土墻受力狀態,指出了被監測墻體的最大應力、應變位置。
  13. A more reasonable method to calculate soil ' s damage value is advanced, which bases on extrema of irregular dynamic shear stress. previously it bases on peaks of shear stress to calculate damage value, but by this method the destructive action of multi - point inputted earthquake is overestimated, especially in the second half section of responding shear stress " time history the shear stress caused mainly by differential force undulate slightly on one side of its zero line

    以往計算土體在不規則的動剪應力作用下的損傷值根據的是動剪應力的峰值,在時域內多點輸入分析中,由於差動力的的存在,使得時程後段動剪應力不穿零而在一側做幅度不大的波動,基於峰值的損傷值計算特別過高地估計了這段剪應力的破壞作用,過高的程度還隨延時增加而增加。
  14. In consider drilling rod state, hole state, creep into course influence foundation of parameter synthetically, the drilling rod model under acting on the pulling force and torsion together carries on the theory to calculate, receive drilling rod pulling force and torsion differential equation group, in order to benefit drilling rod strength further to analyse

    在綜合考慮鉆桿狀況、鉆孔狀況、鉆進過程參數的影響基礎上,對拉力和扭矩共同作用下的鉆桿模型進行理論計算,得到鉆桿拉力一扭矩微分方程組,以利於鉆桿受力的進一步分析。
  15. Cellular automata was applied to solve mechanical problem of plane truss, and the feasibility of which was discussed in this article. the characteristic of cell and the way of dividing cell were studied while presenting a program and its frame chart. the work load of the new method was not much because it neednt form a partial differential set or a general finite element robustness matrix. numerical computing results show that the new method has a rapid speed of convergence to nodal displacement and internal force of element, so it probably has a good prospect in solving solid mechanical problems

    嘗試用細胞自動機作平面桁架力學分析,探討了該方法的可行性.給出元胞的劃分方法和特性,列出計算框圖並編制了相應的程序,由於不必形成結構的偏微方程集或有限元的總體剛度矩陣,計算工作量小.算例表明,該方法對結點位移和桿內力的收斂速度均較快,是一種分析固體力學問題有前景的新方法
  16. Establish geometry model of hyperboloid clutch with rollers with differential geometry. we know that the line of tangent is beeline and validate it with matlab. in the base of above research, establish movement model of hyperboloid clutch with rollers and find the relation between force of outer race and moment of inner race

    在上述研究的基礎上利用運動轉化原理建立了內外環與滾柱之間的運動模型,並利用微分幾何的相關知識通過對施加在外環上的主動軸向力的分解及合成,求的其在內環上所產生的力學反應,建立雙曲面滾柱加載器力學模型。
  17. Firstly, based on n - s equation, the momentum differential equation ( contained centrifugal force ) is derived by simplification in boundary layer and then integrates the differential equation over the thickness of the boundary layer, the momentum integral equation is deduced. the dimensionless centrifugal factor is introduced, then the solution of the momentum integral equation is obtained. the dimensionless group is introduced to determined separation of boundary layer

    本文首先根據粘性流體力學的一般方程,通過在邊界層內進行量級比較,在所限定的范圍內得到了含有離心力的邊界層動量微分方程並給出其滿足的邊界條件,然後對該微分方程在邊界層內積分得到離心泵葉輪邊界層動量積分方程,在求解過程中引入了無量綱離心因子,並作了相應合理的假設,得出積分方程解的一般表達式,並引入以邊界層動量損失厚度為主要特徵量的無量綱參數對邊界層分離進行評價。
  18. When impact applies on a discrete system in which one of constraints is a constant with coulomb friction, the phenomenon of slip - stick at the point can cause the change of friction and the integration for frictional force during infinitesimal impulsive interval becomes impossible according to traditional impulsive dynamics of discrete systems. by introducing a new dimensional time parameter, first - order momentum - impulse differential equations are obtained and the discussion over infinitesimal impulsive interval is transformed into a piece - wise study on the finite region of impulse

    在引入新的無量綱的時間參數后,通過建立相應的動量-沖量的一階微分方程,在趨近於零的沖擊區間的討論變為在有限區間中來分段研究含滑動-黏滯的沖擊過程,得到了受到多點打擊的離散系統考慮庫侖摩擦時的動力學的求解方法,即根據沖擊前的初始狀態無需回到繁瑣的微分方程的求解便可以得到沖擊后系統的動力學響應。
  19. ( 1 ) based on two types of riccati equations, two kinds of new methods are proposed to obtain solutions of nonlinear differential equations. twelve families of exact solutions of wbk equation are found by using one of two methods ; ( 2 ) the homogeneous balance method is improved cind investigated to ( 2 + l ) - dimensional broer - kaup equation such that many families of new solutions are derived. ( 4 ) based on the isospectral lax pair of riccati form for generalized kdv equation with the force term, new darboux transformation and solitary - like wave solutions and rational solutions are obtained ; ( 4 ) by constructing darboux transformation and the superposition formula of generalized variable coefficients kdv equation with the force term, new single solitary - like wave solutions, double solitary - like wave solutions and rational solutions are found for ( 2 + l ) - dimensional generalized kp equation

    第二章和第三章考慮非線性偏微分方程的精確解的構造:首先給出了c - d對和c - d可積系統的基本理論,然後在第三章中具體研究了它們的應用: ( 1 )基於兩種riccati方程,提出了兩種新的求解非線性微分方程更多解的方法,利用其中的一種方法,得到了wbk方程的12組精確解; ( 2 )對齊次子衡法進行改進,以致於獲得了( 2 + 1 ) -維broer - kaup方程的很多新解; ( 3 )基於帶有外力項的廣義kdv方程的riccati形式的非等譜lax對,提出了該方程的一個新的darboux變換,利用該變換,得到了新的類孤波解和有理解; ( 4 )通過構造了帶有外力項的變系數kdv方程的darboux變換及疊加原理,獲得( 2 + 1 ) -維廣義kp方程的新的類單孤波解、雙類孤波解和有理解。
  20. According to the feature of base reaction and base settlement, the influence of soil treatment to maximum settlement and differential settlement of foundation as well as internal force of foundation have been computed and analyzed with the finite element method

    摘要針對實際工程中基底反力的分佈特點和基礎沉降特徵,用有限元方法,計算分析得出:當地基加固后,筏板下地基呈現中心剛度大,而邊緣剛度小時,可以有效減小差異沉降,繼而減小由於沉降差異而引起的基礎次應力。
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