重力加載 的英文怎麼說
中文拼音 [zhònglìjiāzǎi]
重力加載
英文
gravity loading- 重 : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 載 : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
- 重力 : [力學] gravity; force of gravity; gravity force; power of gravity; pull of gravity; gravitational...
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On the base of significantly study, the control strategy, the reason of the superabundant torque and the method of elimination of the superabundant torque was analyzed and discussed
在重點研究控制策略的基礎上,對加載系統中多餘力的產生及抑制方法進行了詳細的分析和討論。This paper presents our research in actuating in - vivo micro - robot based on the capsule endoscope platform by the external power. while seeking secure driving method we take several factors into account, such as driving environment, power transmitting and consuming, motion requirement and controllability, and locating technique. we mainly deal with driving the capsule with spatial gradient magnetic field, so we employ combined electro - magnetic coils, including gradient coils and homogenous coils, which have rotational dof around a translatable patient bed, to compose a controllable uniform gradient which act on the permanent - magnet embedded robot, thereby get an appropriate spatial force and torque to fulfill the anticipant locomotion such as move, stop, pitch and yaw
基於驅動環境、能量供給和消耗、驅動動作要求及驅動安全性與可控性,定位方案等多方面考慮,尋求安全可靠的腸胃檢查微機器人的外部驅動控制方法,並著重研究直接利用外磁場磁力驅動微機器人:在微機器人內部嵌入永磁性體,利用體外的組合電磁線圈產生加載電流控制的驅動磁場,其中外部的電磁線圈由多組梯度線圈和勻場線圈組合構成,通過繞病床的旋轉以及病床的平移共同控制微機器人所在位置的磁場強度及梯度,作用於微機器人內嵌磁體以獲得空間意義上的必要驅動力和調整轉矩,從而有效地完成驅動動作要求。Through developing the comprehensive experiment device with large - scale drum strength and stability, the stress - measuring experiments of various wall thickness of the normal drums of the cranes were performed. the law that the stress of the drums along the circumference and along the axis changes with the load increase of the wire ropes was studies for the first time
通過研製全比尺大型捲筒強度、穩定性綜合試驗裝置,對起重機常用規格的捲筒進行了各種壁厚條件下的應力測量試驗,首次對捲筒體周向和軸向應力隨鋼絲繩逐步加載過程變化的規律進行了研究,發現最大應力產生在鋼絲繩繞過后3 ~ 5圈截面處,該現象與理論分析結果也是符合的。The experiment procedure and analysis result about exteriorly extended end - plate connection with high strength bolt are introduced primarily ; each sample ' s dimension is given. the adding load equipment, measuring apparatus placed, measuring point established is detailed. adding load measure load and m - curve is produced ; the single span gabled frames horizontal displacement formula is deduced when the horizontal concentrated force is applied to it
重點介紹了外伸端板高強螺栓連接的實驗過程及實驗分析結果,介紹了各組試件的形狀尺寸、加載裝置、測量儀器安放、測點的布置等;給出加載方式及測出的m -曲線;計算出試驗節點的初始剛度;推導水平集中力作用下單跨門式剛架考慮節點半剛性的側移計算公式。With the development of space exploration projects, the atrophy and decreased function in antigravity skeletal muscles are one of major problems that need to be solved for the prolonged space flight. to understand the features of decreased contractile function and increased fatigability in unloaded hindlimb skeletal muscles will help to develop effective countermeasures during space flight, and contribute to the prevention and treatment of skeletal muscle atrophy in long - term bed - rest patients
隨著載人航天活動的發展,航天飛行時間越來越長,抗重力肌廢用性萎縮引起的強直收縮疲勞性增加,使航天員運動易疲勞的感覺更加明顯,限制了飛行時間和工作效率,在應急逃生時肌肉發生損傷的可能性增大,且影響返回地面重力環境后的再適應能力。Electro - hydraulic servo loading system ( ehsls ) is an important simulation system in hardware - in - loop flight simulation laboratory, which can simulate aerodynamic loads acting on flight vehicle, such as missiles, planes. it is one of most important devices in the whole flight vehicle simulation system
電液伺服加載系統是半實物模擬實驗室中模擬導彈等飛行器在飛行中舵面所受空氣動力載荷的重要設備,它是飛行器大迴路半實物模擬系統的重要組成部分。High energy explosive was used to create a powerful and planar shock wave for accelerating flyer plate to high velocity, and high pressure was produced when flyer impacting with the sample. in the experiments, the impactor was brass and target was ofhc copper. by measuring the shock wave velocities of hr2 steel, high - density glass, aluminium alloy ( ly12 / lf6 ), magnesium - aluminium alloy ( mb2 ), polymethyl methacrylate and air, shock pressure and release isentrope of ofhc copper have been obtained
採用化爆加載、平面波發生器和空腔增壓技術,以黃銅為飛片,無氧銅為靶板,測量了抗氫鋼( hr2 ) 、重玻璃( sio _ 2 ) 、鋁合金( ly12 lf6 ) 、鎂鋁合金( mb2 ) 、有機玻璃( pmma ) 、空氣( air )和無氧銅( ofhccopper )各阻抗匹配樣品中的沖擊波速度,上述材料的hugoniot狀態參數c _ 0 、均為已知,由此確定了無氧銅的沖擊加載壓力和等熵卸載后的狀態,得到了等熵卸載路徑。The ansys, a kind of fea program, was used to build model of small carriage. the procedure of gantry beam bump with secondary beam of bridge was reappeared by running nonlinear calculation and loading program which was written by apdl program language. the closest deforming result was gotten, and the deforming of main beam, secondary beam and end beam and inner stress distribution status were calculated
採用大型三維有限元軟體ansys對該起重機以及小車架等進行了建模、應用apdl語言編寫加載程序、進行非線性計算,再現龍門橫梁與起重機副梁碰撞過程,最後得到與實際變形結果最接近的一種狀態,得出起重機橋架主梁、副梁、端梁的變形以及其內部的應力分佈情況。Compared with non - slung - load flight, additional aerodynamic load, gravity load should be considered in the slung - load system. so the moment to the gravity center, flight mode and the natural frequency will change
直升機吊掛飛行,與直升機非吊掛飛行狀態相比,增加了新的氣動載荷、重力載荷,和因此產生的對直升機重心的力矩,其飛行運動模式、低頻振蕩固有頻率均發生改變。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。Owing to having the advantages of large size, good thermal conductivity, high precision of manufacturing and assembling, the all - metal slow - wave structures are widely used in the wide - band, high power traveling wave tube ( twt ) and relativistic twt. furthermore, the disc - loaded cylindrical waveguide is one of the most important slow - wave structures in the all - metal slow - wave structures ( sws )
全金屬慢波結構因其尺寸大、熱耗散能力強、整體性能好等優點被廣泛應用於寬帶、大功率行波管和相對論行波管中,而膜片加載慢波系統正是全金屬結構中最重要、應用最廣泛的一大類結構。Thus it is necessary to study moment resistance, rotation stiffness and rotation capacity of the joints. in this paper, six specimens on end - plate composite beam - to - column joints and two specimens on end - plate composite beam - to - column joints were designed to subject to static load. the factors of m - characteristics about semi - rigid composite joints, including bolts, profiled steel sheeting, beam, column, stiffen rib and reinforcement, are studied
本文設計了6個端板型鋼-混凝土組合樑柱節點與2個端板型純鋼樑柱節點,通過對這些試件的靜力荷載試驗,重點研究了端板型鋼-混凝土組合節點的彎矩-轉角性能的影響因素,包括高強螺栓、壓型鋼板、型鋼梁、型鋼柱、加勁肋,以及混凝土板內縱向鋼筋配筋率等。Loads are commonly applied with universal testing machines, hydraulic cylinders dead weights, or some form of pressure.
通常是用萬能試驗機、液壓缸重物或某種形式的壓力施加載荷。Airborne gravimetry is a new kind of technique for surveying the gravity acceleration over the earth ' s surface and is advanced in gravimetry history, which basing on aircraft, including gravimeter, gps, altimeter and attitude sensor etc.
航空重力測量是一種新型的重力測量技術,它以飛機為載體,綜合應用重力傳感器、 gps 、高度傳感器、姿態傳感器等設備測定近地空間重力加速度。航空重力測量是重力測量的一次歷史性變革。Moreover, the time - dependent stress in ribs due to the creep also has been measured for about one year since the static experiment case was over
在完成靜力加載工況后,對模型進行了一年的持荷觀測,實測鋼管混凝土徐變對結構應力重分佈的影響。Test results show that : ( 1 ) the amount of creep deformation during monotonic primary loading depends on strain rate before creep, creep stress level, and creep time ; ( 2 ) during monotonic primary loading, the stiffness increasing magnificently shortly after creep ; ( 3 ) the direction of creep will change from positive creep ; to neutral creep and negative creep during unloading, while during reloading, it will change from negative, to neutral and positive creep
試驗結果表明: ( 1 )在初始加載過程中,經過一定時間蠕變后黏土的強度有很大的提高; ( 2 )在卸載過程中,隨應力值下降黏土的蠕變表現出由正蠕變、中性蠕變到負蠕變的逐漸轉化; ( 3 )在重復加載過程中,隨應力值增加黏土的蠕變表現出由負蠕變、中性蠕變到正蠕變的逐漸轉化。The idiographic contents are listed as follows : 1 ) through the tests of the anchorage performances of steel column bases of 1 / 5 scale under uniaxial reversed loads, the tested ultimate loads, ductility, stiffness and reasonable modes of reinforcement design of two specimens are presented in this thesis
本文主要工作: 1 .進行了兩個1 / 5縮尺的鋼筋混凝土承臺-鋼柱腳試件單向重復加載下的錨固性能試驗研究,對試件的錨固承載力、延性、剛度以及合理配筋型式等進行了研究。Through the static and standard traffic cyclic loads, the responses of the pavement and subgrade have been attained. the studies on these responses such as elastic deformations, accumulative settlements and stress have been made under the changed characters of subgrade, such as moisture content, relative compaction of subgrade. the results of the experiments show that superfluous moisture content increases the vertical stress and the settlements of the construction under the similar relative compaction
通過靜力加載和模擬路面承受的豎向交通荷載的重復加載試驗,研究了路面路基結構在雙輪車輛荷載作用下的動靜態響應,分析了路面路基結構在浸水狀態(土層含水量增加)和壓實密度降低等不利因數的影響下,路面路基各結構層的動靜力學響應特性,如彈性變形、累積下沉、土壓應力等的變化規律。At first, this thesis analyzes the main causes in theory, which have effects on the redistribution of internal force and modulation of moment for the bonded post - tensioned partially prestressed concrete frame ( for short prestressed frame ), including the relative height of compressive zone of section ( ), secondary moment and types of load applying. then, this thesis analyzes the test of prestressed frame. then, a method, called curvature - force method, for nonlinear analysis of prestressed frame is put forward
本文首先從理論上分析了影響后張有粘結部分預應力混凝土框架(簡稱為預應力框架)內力重分佈和彎矩調幅的主要因素,即相對受壓區高度、次彎矩和加載方式等,並初步分析了兩榀只加豎向荷載和兩榀既加豎向荷載又加水平荷載的單層單跨預應力框架靜力加載的試驗。Through testing eight composite beams with partial shear connectors under dead load and repeated load, the effect that repeated load acts on composite beams is analyzed on the basis of the test process, phenomena, and result
摘要通過8根部分剪力連接組合梁的靜載和重復加載試驗,在對試驗過程、試驗現象以及試驗結果分析的基礎上研究了重復加載對部分剪力連接組合梁受力性能的影響。分享友人