液壓工程學 的英文怎麼說

中文拼音 [gōngchéngxué]
液壓工程學 英文
oil hydraulics
  • : 名詞(液體) liquid; fluid; juice
  • : 壓構詞成分。
  • : Ⅰ名詞1 (工人和工人階級) worker; workman; the working class 2 (工作; 生產勞動) work; labour 3 ...
  • : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
  • : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
  • 液壓 : hydraulic pressure液壓泵 hydraulic pump; 液壓表 hydraulic pressure gauge; hydraulic pressure indi...
  1. Transmission of sap pressure and air pressure is one important compulsory course for both enginery and machine - electrical students in science colleges or universities

    生在專業習中又掌握了計算機技術。 「與氣傳動」是科院校機械類及機電類專業的一門重要的必修課
  2. On the basis of the characteristic of the industry waste slag, which is high added to the hsfab, different kinds of catalyzing methods are adopted to make the waste residue more active. the additive f, developed by the author can obviously improve the mechanics characteristic and durability of hsfab, especially the restraining of the drying shrinkage. based on the study of technics parameters and the problems in the manufacture, hf - 1100 series full - automatic hydraulic pressure wall brick presses is chosed to solve the problems, such as low molding pressure, low efficiency and the certified product ration

    在hsfab的研究方面,通過兩種體系hsfab (即「水泥?鋼渣?粉煤灰?爐渣」和「石灰?鋼渣?粉煤灰?爐渣」體系)的配方優化設計,使之具有良好的社會、經濟和環境效益;在高摻量業廢渣的前提下,根據各種原料的特性,對其採用不同的活化技術,使其具有較高的活性;自研的外加劑f ,對hsfab製品的物理力性能和耐久性能均有明顯的改善作用,尤其是對製品的乾燥收縮性能有顯著的抑制作用;通過對藝參數的研究,結合實際生產普遍存在的問題,選取了hf - 1100系列全自動墻體磚機,有效地解決了傳統制磚過中常見的成型力低、生產效率低、產品合格率低(即「三低」現象)等問題。
  3. Through consulting lots of relevant references, present research of direct drive volume control hydraulic servo system is summarized in this paper, the principle and character of this system are expatiated, the principle of vector control is introduced. at the same time, the mathematical model of ac asynchronous motor is set up based on the vector control theory. the mathematical models of both the pump controlled motor and pump controlled cylinder are set up and simulated in this paper

    在查閱大量國內外相關文獻的基礎上,本文綜述了國內外對該系統研究概況,闡述了該類系統原理和特點;闡述了矢量控制的基本原理,並基於這一原理建立交流異步電動機的數模型;分別建立了泵控馬達系統和泵控缸系統的數模型,並給出了模擬分析;設計了用於泵控馬達系統的集成閥塊,加了密閉力油罐;針對現有直驅式電伺服裝置所存在的問題,本文主要針對系統作過中所產生的噪音與爬行問題進行了一定的研究。
  4. Comparing and analyzing the synchronous control strategy, which brings up the new method to control the double un - symmetry jars proceed synchronously with the combination of proportional valve and servo valve, which forms closed loop control ; basing on the above methods, models are made to get mathematics models of position control system and to analyze system model theoretically by using pid controller, we can realize regulating parameters, minimizing synchronous errors and enhancing the dynamic performances ; the simulink tool box in matlab software is used to imitate the system according to the model, which not only makes the result visual and easy to adjust the parameters in interactive way but also lets us understand the effects of different parameters and optimizes the dynamic properties. the theory of plc control in dshp is discussed after advanced understanding of the system movements. hardware design and general regulation are given on the base of siemens company products s7 - 200 plc

    本文根據大量的國內外文獻,對研配機的作原理及設計結構進行了簡介;對位置同步的控制方法進行了比較分析,提出比例閥和伺服閥復合控制的閉環結構來對非對稱雙缸進行同步控制電比例同步控制方案;在此基礎上著重對比例閥控非對稱缸建模,最後得到位置控制系統的總體數模型,從理論上對同步系統動態特性進行了分析,並用pid控制器進行參數整定,減小雙缸同步誤差、提高系統的動態響應性能;其中控制性能的分析藉助于matlab軟體中的simulink具箱,由已建立的數模型形成模擬模型,得到可視化的模擬結果,從而利於交互方式下調整參數,了解不同的參數對系統的影響,優化同步系統的動態性能;在深入了解系統的動作特性后,對plc控制研配機的原理進行了探討,針對siemens公司s7 ? 200型plc給出了硬體設計的總體規劃,編制出研配機動作控製序,在編中著重研究位移傳感器與plc的通訊、雙缸同步運行的pid控制在plc上的實現及bcd碼撥盤輸入序的植入問題。
  5. Driver ' s position : optimised layout, based on the latest ergonomic principles, considerably reduced vibration and noise, throunh insulating the operator ' s compartment from the vehicle itself by means of shock absorbes, seat adjustable to operator ' s height and weight, as well as being spring suspended and hydraulically damped. lindedouble pedal control system offers accurate reversing without. changing gear. linde central control lever operates all mast functions

    駕駛室:根據人機原理對駕駛室進行了優化設計.駕駛室與車身之間由減震墊隔離,大大地降低了震動和噪音,司機座下有彈簧和減震裝置,並可根據駕駛員的身高和體重進行調整,以獲得最舒適的狀態.林德雙踏板控制系統具有無需切換即可實現靈敏向的功能:林德集中控制桿控制門架的提升,下隆和傾斜動作.發動機的轉速可根據提升和其它功能對輸出功率的需要而自動調節.護頂架與司機座聯成一體,並可裝配成舒適的全封閉駕駛室
  6. Mechanical impact dynamics is used to analyse the production and spread of stress wave when hydraulic pile hammer hammerblows piles, the stress wave influence the course of driving pile. slender hammer that is equal to wave resistance of the pile can bring ideal stress waveform. when the hammer weight is constant, efficiency of driving pile can be increased by means of selecting drive cap and cushion pad of different rigidity to match the hammer according to various geological condition and the pile. the structure and principium of hydraulic system of double - acting hydraulic pile hammer with double cylinders is studied in detail in the paper, the hydraulic system and electric control system of six - ton - double - actin hydraulic pile hammer with double cylinder is designed on the basis of it

    本文應用沖擊機械繫統動力分析打樁過中錘體與樁撞擊時應力波的產生、傳播以及該波對沉樁過的影響。認為與樁等波阻的細長狀錘體能夠產生理想的應力波波形;在樁錘重量一定的情況下,可針對不同的地質情況和樁,通過選擇不同剛度的樁帽和樁墊與其匹配來提高打樁效率。本文對雙缸雙作用打樁錘系統的結構和作原理進行了深入的研究,並在此基礎上設計出六噸雙缸雙作用打樁錘的系統和電控系統。
  7. These deviations are not acceptable for typical calculations in hat. similar problems occur for caes plants. in order to meet the demands of engineering design, the humid air must be regarded as a kind of real gas and more accurate thermodynamic properties of the humid air are acquired at high temperature and high pressure

    本文針對新型熱力循環中對高溫高濕空氣熱力性質參數的需求,以濕空氣透平和縮空氣蓄能系統中的質為研究對象,在維里狀態方的框架下,運用對應態原理,提出一個適合計算高溫高濕空氣熱力性質的對應態維里方,並利用兩種方法對濕空氣的汽相平衡進行計算。
  8. With the retrospection of the developing course of the bored pile foundation and combining with my practical experience, the paper expatiates upon the design principle of percent of fit of the stone - fill grouted concrete and the main factors of the influence strength target, and the final pile technique introduction of the hollow pile of the stone - fill grouted concrete and the precast prestressed concrete ; baesd on the theory of slurry hydraulics, empirical calculation formulas of the radis and height of diffuse slurry are deduced in this paper ; it analyzes the test pile materials of the hollow pile foundation, such as luoyang yi river bridge and dangwang jian river bridge ; the new technique of the hollow pile, which provides the generalization and application with base materials, expounds its feasibilities, adaptabilities and economy

    本文通過綜合分析國內外鉆孔樁基礎的發展歷及研究現狀,重點討論了填石漿混凝土空心樁、預制預應力混凝土空心樁的成樁藝、填石漿混凝土的配合比設計原理及影響強度指標的主要因素;根據泥漿水力原理,導得了考慮各種因素的水泥漿在預填骨料中的流動影響半徑和上升高度;結合河南省洛陽伊河大橋、黨灣澗河大橋實踐,討論了填石漿混凝土空心樁基礎的質量檢測方法及標準;並在此基礎上,深入分析了樁側、樁端承載能力,提出了填石漿混凝土空心樁的設計計算理論和方法。最後,論證了空心樁新藝的可行性、適應性、經濟性,為大力推廣應用空心樁新技術提供了可靠的技術資料。
  9. In the light of its special property being not easy to gain strength, through mechanics researches on different methods to stabilize this kind of low _ liquid _ limit silty soil as subbase material, evaluated both technically and economically, we have got a cement lime stabilization plan to meet the index requirements for non _ side _ limit strength of compression of subbase of class2 road stipulated in the specification ; by means of improving the workmanship, thickening the loose layer of soil, adding soil on covering weave fabric before compaction, such problems can be solved as very poor compaction, loose surface during compaction, roughness and unevenness, coats of layer and shear damages

    本文針對黃河沖積而成的低限粉土其粘粒含量極低、土的不均勻系數很小、膠體活性差的特性,通過採用不同方法穩定該類土作底基層材料的力性能研究,從技術、經濟角度綜合評價,得到滿足規范抗強度指標要求的水泥石灰穩定方案。通過對原材料、試驗配合比設計、施、等方面進行優化,從而顯著減輕了基層的早期及長期縮裂度,從而提高了路面的耐久性。
  10. The experiment table equips a number of spare instruments, and plc also have a number of logic element. students can corporate some spare instruments to constitute more closely actual industry cycle, and compile the corresponding plc program, and fix the electric cycle to complete the auto - control of the hydraulic cycle

    該實驗臺備有一定數目的備用元件,同時可編式控制制器也留有一定數目的備用開關量,生可以自己增加元件組成更加接近實際業應用的迴路,並自己編制其控製序,並動手接線實現該迴路功能。
  11. This paper includes : on the basis of ty160c bulldozer made in tianjin construction machinery works, completing the design and intensity verifying of dgsy - 25 pipe crane ; using high - grade 3 - dimensional plotting software ug ( unigraphics ) to sculpt ; using adams ( automatic dynamic analysis of mechanical systems ) to establish virtual prototyping model and do dynamic simulation, and verifying the feasibility of this design precept and provide the basis for trial - manufacture of physical prototyping. at the same time, still simulating all kinds of danger operating mode in the course of production, which provides the theoretical foundation for rationally selecting ballast type to prevent the occurrence of overturn accidents

    本文在天津建築機械廠生產的ty160c推土機的基礎上,完成了dgsy - 25型吊管機的改裝設計及強度校核;使用三維實體建模軟體ug建立了模型;使用機械繫統運動/動力模擬軟體adams建立了? ?機械一體化的虛擬樣機模型,並進行了動力模擬,驗證了設計方案的可行性及結構設計的正確性,為物理樣機的製造提供了參數依據;對生產作業過中的各種危險況進行了模擬分析,為科地選用配重類型以防止傾覆事故的發生提供了理論依據。
  12. The physical meaning of the fuzzy neural network parameters and their influence on the model performance are discussed through the research of composite liquid - solid extrusion model, and the reasonable method of evaluating the network parameters is confirmed which can quicken the training speed. some problems and the influence of the evolution operator on the optimization course are discussed, arid the reasonable range of the evolution parameter is concluded

    通過對復合材料-固擠成形藝系統建模的研究,探討了模糊神經網路參數的物理意義及其對網路習速度的影響,確定了可加快網路習速度的參數賦值方法;結合-固擠藝特點探討了利用遺傳演算法進行參數優化過中一些問題的處理方法及遺傳操作運算元對優化過的影響,確定了參數選取的合理范圍。
  13. To control the oil contamination, the mathematical model is set up on the lubrication and hydraulic system and simulated the dynamic proceed in the real circumstance

    摘要為了控制油的污染,建立了潤滑系統簡化后的污染控制系統的數模型,推導出了理論平衡計算公式,並在實際考核應用背景下研究了其污染動態平衡的過
  14. The leak - off mechanism in the course of acid fracturing is analyzed, the various common methods controlling acidizing fluid leak elf are put forward from such two aspects as acidizing fluid system and acid fracturing technology, acidizing fluid leak - off has considerable influrnec on the results of acid fracturing design, the acidizing fluid flotation model is still an important composite pact in acid fracturing design, hut the model of accurately calculating aciding fluid leak off is still in the midst of uninterrupted perfection, usually the ordinary model of fracturing fluid is used in the acid fracturing design, the domestic and overseas sell data steely about the model of calculating aciding fluid leak - off is introduced

    摘要分析了酸中酸的濾失機理,從酸體系和酸藝兩個方面提出了各種常用的控制酸濾失的方法;酸濾失對酸設計結果影響較大,酸濾失模型是酸設計中的重要組成部分,但準確的計算酸濾失的模型仍在不斷的完善之中,通常仍將一般的濾失模型用於酸設計,介紹了國內外者關于酸濾失模型的研究。
  15. In this paper, the preparing technological parameters, formation mechanism and structures of ( lithium ) vanadium oxides ( nanocrystalline vo2, amorphous v2o5, layered li1 + xv3o8 and inverse spinel linivo4 ) are systematically studied and discussed, and some properties of the products are measured as cathode materials for lithium ion batteries. the main results are as follows : ( 1 ) nanocrystalline vo2 has been successfully synthesized by a solution chemical reaction method in normal temperature and pressure. the procedure involves v2o5 reacts with koh to form k3vo3 in water and then k3vo3 is reduced with kbh4 around ph = 4 forming vo2 precipitation in aqueous

    本文從實驗與理論分析相結合的角度對(鋰)釩氧化物(納米vo _ 2 、非晶態v _ 2o _ 5 、層狀li _ ( 1 + x ) v _ 3o _ 8及反尖晶石型linivo _ 4 )制備過藝參數、結構和形成機理等方面進行了系統深入的研究,對(鋰)釩氧化物電性能進行了初步測試,取得的主要結果如下: ( 1 )成功的在常溫常下通過溶反應直接制得具有納米結構的vo _ 2粉。
  16. Llw is compressed into steel drums, sealed and stored temporarily at the nuclear power station and eventually be transported to the repository for disposal. intermediate - level waste ( ilw ) consists of radioactive resin and chemical sludge, spent filter cartridges etc. collected from waste treatment process and maintenance work

    低放射性廢物會被縮及裝入金屬罐內,加以密封。中放射性廢物包括在廢氣及廢處理過或維修作中,所收集的帶輻射的樹脂和化沉澱物、過濾器等。
  17. In this thesis the theory and method of intelligent fault diagnosis for a large turbo - pump fed liquid - propellant rocket engine ( lre ) is innovatively proposed and developed, based on the hybrid reasoning strategy and the hybrid knowledge models including mathematical model, logic model, graphic model and qualitative model. the theory and method are constructed in the way of intelligent modeling technique and creative application of knowledge engineering, and focus on the difficult problems and critical techniques such as the unified treatment of lre knowledge ( experience, facts, rules, graph, system structure, behavior, model knowledge and measured data ), the integration and translation of qualitative and quantitative knowledge, and the knowledge - based intelligent fault diagnosis reasoning methods. firstly, besides the correlation of different knowledge, the concept and the types of lre diagnosis knowledge are systematically described

    本文以某大型泵體火箭發動機為研究對象,以智能建模技術和知識的創造性應用為主要技術手段,圍繞著發動機知識(經驗、事實、規則、圖形、結構、行為、模型知識與測量數據信息等)的統一處理技術、定性定量知識的集成與轉化和基於知識的智能故障診斷推理等關鍵技術和難點,創新地研究發展了發動機基於混合知識模型(數模型、邏輯模型、圖形模型及定性模型)和混合推理策略的智能故障診斷理論和方法。
  18. Liquid - solid extrusion of composite material is a new kind of metal forming process, which has been developed in recent years with a promising practical application prospect for its simple working procedure, low cost and good workpiece performance. but it is difficult to set up an accurate mathematical model because the process is a multivariable nonlinear time varying system. so this process ca n ' t be put into practical uses for the difficulties in process parameters control

    復合材料管、棒材-固擠成形藝是近幾年發展起來的一種金屬成形新藝,具有序少、成本低、製件性能好等特點,應用前景廣闊,但該藝是一多變量非線性時變系統,很難建立精確的數模型,過參數難于控制,限制了該藝的實際應用。
  19. Finally, according to the mode of two - roles in teaching, which should give play to teachers " leading role and also fully reflect students " cognitive subject. and on the basis of following the course teaching design principle of the network, carry on the website design and develop of the course of " hydraulics & pneumatics ". firstly utilize frontpage2000 of the developing instrument of web page to designed and develops website ' s overall style, the interface, style of navigating and studying the supplementary function that courses need ; then utilize jsp and javabeans discreteness technology to carry on real procedure making, in order to reach the function of various kinds of websites and teaching purpose, such as the operation to backstage supporter ' s data base, realize website ' s registration and log on, realize the search and study offered for studying and is tracking the studying ; then imbed the network packs in the corresponding web page, and regulate the linking of these web pages, make it reach anticipated request, and debug running in campus network

    最後,按照雙主教模式(即發揮教師的主導作用和生的認知主體作用) ,並且在遵循網路課設計原則的基礎上,進行「與氣傳動」課的網站設計與開發:利用網頁開發具frontpage2000進行網站總體風格、界面、導航風格以及習課所需輔助功能的設計與開發;利用jsp及其, tavabeans組件技術進行實際的序開發,以達到對后臺數據庫的操作、實現網站注冊及登錄、實現為習提供的搜索和習跟蹤等等各種網站功能及教目的;把網路打包好的課件嵌入相應的網頁中,並對這些網頁的鏈接進行調節,使其達到預期的要求,並在校園網上進行調試運行通過。
  20. In order to study active vibration control with hydraulic servo deeply, the theory model of actual two - stage isolation mounting with hydraulic servo is set up. the force transfer rate of the system is deduced by the transfer function analytical method. the computer simulation of active vibration control performance is made for various control parameters and inhere parameters

    為了深入研究伺服振動主動控制,針對實際柴油機伺服振動哈爾濱博士位論文主動控制實驗臺架,建立了伺服振動主動控制系統模型,並進行了數字模擬研究,討論了各種控制參數的引入對力傳遞率的影響,另外討論了系統的固有參數的變化對力傳遞率的影響,為以後的伺服振動主動控制臺架的改造和振動控制提供了有益的參考依據。
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