液動模擬 的英文怎麼說
中文拼音 [yèdòngmónǐ]
液動模擬
英文
fluid flow analog-
Various sensors that are besotted in the 3d world through vrml can effectively sense all kinds of operators " behaviors ; java byte codes that are besotted in the interface between vrml and java through the " script " node can finish difficult tasks. so the alteration can be concluded as follows : operators touch parts of the shelf, and the java byte codes execute the relative function, finally results are reported to the operators. ( 3 ) through detailed studying the working function of the throttling experiment, i constructed a mathematical model of the experiment and simulated the model
Vrml可以在瀏覽器環境中為3d實驗臺模型添加多種感知器，能夠良好地感知操作者的各種意圖；在vrml和java技術的介面中，可以利用java程序代碼來完成一些復雜的任務，從而實現了實驗的交互：實驗者感知實驗臺的各種儀器，程序完成相應的任務，然後返回相應的結果； 3 ）仔細研究了節流調速實驗的液壓迴路原理，對實驗過程建立了相關數學模型，進行模擬分析並獲得了模擬結果，實現了基於模型驅動方法的虛擬實驗； 4 ）實驗臺遠程訪問的實現。Seat back cushion sets at 14 massages head, the simulation massage technique cantle very good capture distribute in the bone ling two sides acupuncture points " rubs " the function, in the seat cushion sets at 4vibrators, the buttocks vibrates may promote the blood circulation, the improvement metabolism
靠背內置14個推拿按摩頭，模擬按摩師的按摩手法能很好捕捉分佈在骨梁兩側穴位的「揉搓」機能，座墊內置4個振動器，臀部振動能促進血液循環，改善新陳代謝。First this paper describes the composing and technics of drillers ; then the composing of control system based on s7 - 300plc is described ; then thinking of such characteristics of oil driller as complexity and long delay, this paper brings forward the control strategy of combining the fuzzy control with smith estimate control algorithm, and sets down the way of auto - driller based on discal hydraulic pressure brake. at last the experiment based on matlab by computer shows that the effect of this control mode is very good and all performance are famous
首先本文闡述了鉆機的組成與工藝特點，然後描述了基於西門子s7 - 300plc的控制系統組成，然後針對傳統鉆機自動送鉆控制策略落後的缺陷，同時考慮到鉆機的復雜性、大滯后等特點，提出了模糊控制演算法與施密斯（ smith ）預估控制演算法相結合的控制策略，給出了基於液壓盤式剎車的自動送鉆智能控制策略， matlab的模擬實驗證明該控制方式控制效果良好，各方面性能指標都達到理想要求。By comparing the dry plate pressures drop and distributions of velocities simulated on single valve with those of double valves, it was found that there was intense turbulence in the flow fields around fixed - valve, there were eddy areas between valve side orifices and tray wall, there were eddies above the valves too, these led to the complex behaviors of gas perforating valve, these had a great effect on the gas - liquid mass transfer process. at the same time, in order to prevent the disadvantageous effect of gas between one valve with another on the gas - liquid mass transfer, it was very effective to change the fields of gas perforating valve by folding the edges of valve
通過對數值模擬得出的單閥和雙閥塔板的干板壓降及流場速度分佈分析對比后發現，固定閥周圍流場存在較強的湍動，閥側孔與塔板壁面區域以及閥體的上方空間存在明顯的渦流區，使氣體穿閥后的行為變得復雜，並對氣液傳質過程產生重大影響；模擬結果表明，為防止和削弱固定閥間的對沖造成的「死區」對傳質帶來的不利影響，通過折邊來改變氣體的氣路是非常有效的，模擬值與實驗值基本得到吻合。The thesis centered on the topic. a fluid drive program of the sugarcane mill is made. it is a must to have the digital simulation study on the hydraulic system
本文圍繞研究課題，展開研究工作，制定了甘蔗壓榨機的液壓傳動系統方案，建立其數學模型，並對模型進行了靜、動態特性數字模擬研究。Dynamic simulation and experiment of a full power hydraulic braking system
全動力液壓制動系統的動態模擬與實驗Study on boiling heat transfer enhancement of forced liquid nitrogen flow in lunate narrow channel
低溫液體火箭發動機循環預冷模擬試驗In the prolegomenon, author makes a brief review on the history and technology development of hydraulic turn tables, their direct driving motors and their control systems
文章在緒論部分簡明扼要回顧模擬轉臺、液壓模擬轉臺直接驅動伺服馬達及液壓模擬轉臺控制系統的發展概況、關鍵技術等。According to the relation between sea sickness and ship motion, the mechanism and hydraulic system of a platform of ship motion simulating for testing of sea sickness is designed by the working set of researching subject
根據暈船病與船舶運動的關系，課題組已經研製了針對暈船病測試研究的船舶運動模擬平臺機械結構和液壓系統。On the basis of improving the dramatic characteristic of fluid drive system of the platform, the electro - hydraulic servo control system of simulating platform is designed, and its characteristic is analyzed, and the corresponding control algorithm is studied in this paper. what all do is in order to make the platform of ship motion simulating simulate the motion of ship, and realize the high precision motion pose of the platform, and achieve the motion performance index required by the testing of sea sickness
在提高平臺液壓驅動系統動態性能的基礎上，本文進行了模擬平臺電液伺服控制系統的設計、特性分析和控制策略研究，使該模擬平臺能模擬船舶運動，實現高精度的平臺運動姿態，達到暈船病測試所需的運動環境性能指標。Due to the electrohydraulic servo mechanism was used to drive the motion deck of the semi - physical simulator on the ground. therefore, the model of electrodraulic servo mechanism was built based on the fundamental equations of hydraulic jar and servo valve
由於空間對接機構地面半物理模擬系統採用電液伺服驅動機構，因此本文根據電液伺服驅動機構的基本方程，建立單缸電液伺服驅動機構的模型。The feedbacks of position, velocity, acceleration and dynamic pressure were applied to adjust the model, so the control system of single jar electrodraulic servo mechanism was built. to reduce the system error and interference error, the compound control was designed. the results of simulations showed that the magnitude attenuation and phase lag of the system come to the project demand
引入包括位置反饋、速度反饋、加速度反饋和動壓反饋在內的反饋控制技術對電液伺服驅動機構模型進行綜合校正，從而建立單缸電液伺服控制系統，並在分析系統誤差和擾動誤差后，加入復合控制減小系統誤差和抑制干擾，模擬結果表明復合控制系統的控製品質有了明顯改善，能夠滿足工程需求。Numerical simulation of drop deformation in stokes flow
流動中液滴變形的數值模擬Characterization of visco - elasticity and thixotropy for co2 foam fracturing fluids
泡沫壓裂液在三維縫中流動數值模擬Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled
（ 2 ）利用小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究，通過分析正弦荷載作用下的試驗資料，驗證了粉土的孔隙水壓力增長模式的合理性；從微分方程推導了基於土體振動臺模型試驗的相似律，並從模型實體、孔壓時程曲線和相似律等方面做出了分析，得出了如下結論：在小型振動臺試驗中，模型箱中的粉土都發生了液化，液化的時刻和輸入加速度幅值有關，而對頻率的變化不太敏感；粉土在相當於8 9度地震烈度的加速度幅值作用下可能產生嚴重的液化；孔壓的增長曲線形狀與施加的荷載有關：當施加荷載為由小到大的形式時，曲線形狀為上凹的曲線；當施加荷載為等幅的正弦荷載或荷載幅值由大到小時，曲線形狀為上凸的曲線，且逐漸趨于穩定。Basic safety publication ; environmental testing ; part 2 : tests methods ; test a : cold
內燃機全流式機油濾清器試驗方法第5部分:冷起動模擬和液壓脈沖耐久試驗Continuous revolving electro - hydraulic servo motors ( crehsm, for short ) are key parts of the hydraulic turn tables which are semi - object simulating equipments which are always driven by swing motors and have great value in our national defense
液壓模擬轉臺一般由擺動馬達驅動。模擬轉臺用連續回轉伺服馬達克服了擺動式模擬轉臺馬達的轉角限制，可以拓寬高性能液壓模擬轉臺的應用領域。Applying the key technique of concurrent engineering - design for function ( dff ), design for assembly ( dfa ) and design for manufacture ( dfm ) of the method of design for " x ", the virtual design of the torque converter is accomplished in catia v5. then the model constitution and the simulation of virtual process of the torque converter is done in catia v5, including the model constitution and the simulation of 5 - aixe nc virtual process of the vane, the model constitution ( material : pvc ) of the idler pulley rapid prototyping ( rp ) and the virtual assembly and the motion simulation of the torque converter, etc. 3 - d data exchange between various cad systems is realized by using step standard. the lever of classing the character model of the torque converter is given
應用并行工程的關鍵技術之一? ?面向產品全生命周期的設計dfx中面向功能的設計dff 、面向裝配的設計dfa和面向製造的設計dfm的方法，在catiav5中完成液力變矩器虛擬設計；在catiav5中對液力變矩器進行虛擬加工建模和模擬，包括液力變矩器導輪葉片五軸數控加工刀軌建模與模擬、導輪快速成型rp建模（ pvc材料） 、液力變矩器虛擬裝配和運動模擬等；採用step標準實現多cad系統之間三維數據交換，提出液力變矩器特徵模型的分級標準並對三維模型數據進行分級管理，制定相應的權限等級以規范合作廠家的產品數據管理層次。Application of opengl in the motion simulation of four - bar mechanism of powered mining support
在煤礦液壓支架四連桿機構運動模擬中的應用In order to promote the application and popularization of hydraulic simulation technique and to bring into play the advantage of bond graph technique in modeling, this dissertation carries out the researches on the visual dynamic modeling of hydraulic systems and its key techniques. the aim of the research is to relax the contradiction between the requirement of dynamic simulation and the faultiness of support software. moreover, a general purposed simulation software of hydraulic system based on bond graph technique which is more useful, easy to use and popularize would be developed
為了改變這種不利狀況，推動液壓模擬技術的推廣與使用，充分發揮出鍵合圖技術在建模方面所具有的優勢，本論文開展了液壓系統可視化動態建模及其關鍵性技術的研究工作，旨在進一步改善動態模擬需求與軟體支撐不完善性之間的矛盾，研製開發出具有較強的實用價值、更易於用戶使用與推廣的基於鍵合圖建模技術的液壓系統動態模擬通用軟體。分享友人