機械自由度 的英文怎麼說

中文拼音 [jīxièzìyóudù]
機械自由度 英文
mechanical freedom
  • 機 : machineengine
  • 械 : 名詞1. （器械） tool; instrument 2. （武器） weapon 3. [書面語] （枷和鐐銬之類的刑具） fetters, shackles, etc
  • 自 : Ⅰ代詞（自己） self; oneself; one s own Ⅱ副詞（自然;當然） certainly; of course; naturally; willin...
  • 由 : causereason
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 機械 : 1. （利用力學原理組成的各種裝置） machinery; machine; mechanism 2. （死板; 刻板） mechanical; inflexible; rigid
  • 自由度 : ddegreeoffreedom
  • 自由 : freedomliberty
  1. Through comparison of new and old roving machines, the technique progress and development of new roving machine characteristic of simpler driving, more advanced controling, easy operating and well tension control and high speed are introduced from mechelectronic angle of view

    摘要通過新老粗紗機的對比，從機電一體化的角度介紹了新型粗紗機的技術進步的特徵，由此使機械傳動系統簡化，控制器和執行器更先進，操作和調換品種方便，自動控制最佳卷繞張力和實現高速紡紗。
  2. Laser - controlled ground leveling technology is the combination of normal ground leveling technology and laser control technology. the leveling shovel is driven by a tractor and its rising and dropping is controlled by automatic electric system, so the shovel will always operate in the same level. this leveling system also can be installed together with bulldozer and forklift

    激光控制土地平整技術是高科技激光控制技術與常規機械平地技術相結合的土地平整新技術，是由拖拉機帶動平地鏟，對土地進行平整，它的電控系統是對鏟土機的升降實時調整的自動控制技術，是鏟土機始終在同一水平面工作，該系統還可以安裝在推土機、鏟車上，可以廣泛地應用於新建公路、廣場、運動場以及房屋基地的平整，對于起伏不大的場地可以一次性平整到位，大大提高了生產效率和土地平整精度。
  3. There are several important issues to that attention should be paid in the design of test bed, such as the measurement of the temperature difference between the inlet and outlet of test section and the temperature of cooling water in the inlet and outlet of condensing tubes, filled volume of the steam boiler and its level control, the determination of the natural acting head of high temperature tank and design of the cooling water flow of measuring tank

    試驗臺由高溫工質自然循環子系統、冷卻水機械循環子系統和計算機監測控制子系統構成，試驗段進出口溫差及冷凝管進出口溫度的測試、蒸汽鍋爐充注量及液位控制、高溫水箱自然作用水頭的設計、冷卻水流量計量水箱的設計等是試驗臺設計中值得重視的問題。
  4. The development of the dynamic test - bed for fluid flow machine, one of the sub - projects within the " national 211 project ", can carry out the tests on the static and dynamic properties of not only both the hydraulic turbine units and water pump flits with the types of axial - flow, mixed - flow and inclined - flow, but also the centrifugal pump unit ; of which the testing process is automatically controlled by a pc with higher testing precision

    摘要流體機械動態試驗臺是國家「 211工程」建設項目之一，可以進行軸流式（貫流式） 、混流式、斜流式水輪機組的靜特性、動特性試驗，也可以進行軸流式（貫流式） 、混流式、斜流式、離心式水泵機組的靜特性、動特性試驗，試驗過程由微型計算機自動控制，試驗精度高，操作方便、靈活。
  5. The tap - changer is made with solid state relay as its working mechanism and controlled by microprocessor. this switch has totally cancelled the mechanical drive organization, by the microprocessor according to the voltage of second side microprocessor decide the working condition of solid state rely, high regulation speed, need not transition resistor, rush current is low. operating frequently ; there is no electric arc to produce, can put in the fuel tank of the voltage transformer directly ; the structure is simple, the fabrication cost is low, benefit and use widely among the voltages transformer of distribution

    其中的有載調壓分接開關，它是一種完全由固態繼電器作為分接開關執行機構，由單片機控制的有載自動調壓的變壓器分接開關。該開關完全取消了機械傳動機構，由單片機根據變壓器二次側電壓的高低，決定與變壓器各分接頭聯接的固態繼電器的工作狀態。調節速度快，改變分接頭時不需過渡電阻，沖擊電流小，可頻繁操作；無電弧產生，可以直接放在變壓器油箱中；結構簡單，造價低，便於在配電變壓器中推廣使用。
  6. With the development of modern technology, especially in the field of electronics, computer application and automate control theory, motor application has been promoted from simple start - stop control and as the source of power to precise control on speed, position and torque to make driven component meet the desire requirement

    隨著現代技術的進步，特別是電子技術、微機應用和自動控制理論的進展，電機在其實際應用中，已由過去簡單的起停控制、提供動力為目的的應用，上升到對其速度、位置、轉矩等的精確控制，使被驅動的機械運動符合預想的要求。
  7. Since 1960s, the mechanical strength reliability and structural system reliability, whose main failure modes are fatigue and service life, has achieved a great deal of development and been applied to engineering machine, aeronautical and astronautical engineering, electric apparatus, bridges, ship, civil engineering etc. with the developing of space technology and tendency of machine towards high speed, precision, automation, one realizes the importance of mechanism reliability based on the accuracy of motion, for the errors of mechanism occurred more often than that of structure, especially in the field of aeronautical and astronautical engineering and operate system of weapon

    上個世紀60年代以來，以疲勞、壽命為主要失效模式的機械強度可靠性、結構體系可靠性研究得到了很大發展，並迅速應用於工程機械、航空航天、電器設備、橋梁、船舶、土木工程等。隨著空間技術的發展以及機械的高速精密化、自動化發展，人們逐漸認識到以機構動作參數的準確可靠為主要指標的可靠性問題日益突出，因為在很多機械上機構的故障多於結構的故障，尤其是在航空航天及武器操縱系統方面。由於這些機構的運轉特性，振動可靠性的研究亦佔有突出的位置。
  8. It ' s a driving force and also a challenge to control in both theory and technology due to the more and more severe specifications imposing on it. a variety control theory have been developed, however, with limited performance in practical applications, especially in term of the relatively lower response speed when used in those machines which run fast. therefore, it is necessary to develop a new self - tuning algorithm for fast running plant of uncertainty so as to set theoretical base for controller design

    在科技飛速發展的今天，各種新設備、新工藝的出現促進了控制理論的發展，同時也對控制技術提出了越來越高的要求，雖然已有許多旨在提高控制性能的不同的控制理論，但由於其各自的局限性，在應用中仍然存在許多問題，特別是對于運行速度較快的機械設備等，其響應時間往往不能達到要求，因此，有必要開發一種新型、快速、能夠適應快速運行或變化的對象或過程的自調節演算法，以為控制器的開發作好理論支持。
  9. Biochemistry analyser is frequently used in the clinical testing of human body fluids in a variety of substances, such as blood sugar, blood lipid, inorganic ions, serum enzymes, hepatic function, protein and non - nitrogen compounds and other types of conventional biochemical index. because of the lag in the development experience and the overall level of domestic processing industries backward, automatic biochemical analyser production technologies are dominated by japan, the united states, italy and other medical equipment manufacturers

    由於國內廠商尚無成型的全自動生化分析儀生產技術，加之老式生化分析儀採用機械轉動式濾光盤的分光結構，測量速度慢、無法完成部分測量功能，因此我們設計了測量速度更快，技術上更接近全自動生化分析儀要求的新型半自動生化分析儀，為將來開發國產全自動生化分析儀做出一定的技術準備。
  10. In large rotating machinery using filmatic bearing ( turbogenerator, air compressor, etc. ) there is a potential trouble from impefect installation or running conditions, a metals " contact between rotors and shells. the trouble is usully called rubbing. the advantage of ae technologe in the rubbing diagnosis and early detection is showed. instead of classical ae characteristic parameters ( counts, amplitude, energy, duration and the other ones ) a new feature extraction by frequency analysis of ae envelop signals is discussed. both research of ae process and field experements indicate that periodic components in the envelop spectrum related to rotational speed increase evidently at the beginning of rubbing production, hence are highly sensitive to the rubbing fault diagnosis. according to the new design an acoustic emission equipment for the rubbing diagnosis named buaa ae testing system is developed and described

    汽輪發電機、空氣壓縮機等採用油膜支撐的大型轉動機械，由於安裝或運行中的原因，在轉子旋轉過程中，可能和器壁發生輕微的摩擦和碰擊，簡稱碰摩.聲發射技術在碰摩發生特別是故障早期診斷上有優越性.本系統的特點是沒有沿用傳統的計數、幅度、能量和持續時間等聲發射特性參數，而是在聲發射包絡信號的頻率分析中進行特徵提取.聲發射發生的過程分析和現場試驗都表明這種方法對碰摩檢測很敏感，在碰摩發生的起始階段，包絡譜中與轉速同步的周期性分量顯著增加.根據這種新的設計思想自行研製了buaa碰摩聲發射檢測儀並對此作了介紹
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