負位移 的英文怎麼說
中文拼音 [fùwèiyí]
負位移
英文
negative displacement-
Then a vsc controller using on - off valve and two potentiometers are designed for cushioning control system. it can realize the balanced, no shock, no reversing cushioning. experiments under different air pressure, load mass are carried out, and the results prove that the vsc controller can be used in pneumatic cushioning
第五章首先介紹了變結構控制的原理和應用發展情況，然後針對本實驗系統設計了一個使用開關閥和端位位移傳感器的變結構控制方案，實現緩沖過程的平穩無沖擊和無回彈要求，並在不同氣源壓力、不同負載質量下分析了控制性能的變化，實驗結果證明緩沖控制採用變結構控制是可行的，並具有很強的魯棒性。Then pid flow rate control algorithm is introduced. all experiments made in this chapter are about measuring the valve parameters according to spool positions, single actuator flow rate control by the calculated flow rate feedback control method, free flow rate dividing control under the sufficient pump discharge flow rate situation, proportion flow rate dividing and flow rate dividing based on meter - in flow rate feedback control method under insufficient pump discharge flow rate situation. the results of all experiments proved that the method presented in this thesis is an effective way to overcome the unreasonable flow rate dividing when simultaneously operating multi - actuators with different inertia loads
第四章介紹了多執行器復合控制實驗系統和實驗方法；介紹了實驗採用的流量控制的pid演算法；並測定了執行器控制閥和閥芯位移相關的系數；做了單個執行器計算流量反饋流量控制、流量足夠情況下多執行器流量任意分配、流量不足情況下多執行器按比例調節流量分配和多執行器進油側流量反饋分流控制實驗；通過實驗說明了論文提出的分流控制方法能實現大小慣性負載復合操作時的合理分流。The improvement system is made up of the pressure sensor, flow sensor, displacement sensor, electro - hydraulic proportional flow control valve, power amplifier, data gathering board and computer. the platform can carry out testing the hydraulic parameters, processing the tested data, saving the processed data and drawing, adjusting the pressure automatically
改造后的測控系統主要由壓力傳感器、流量傳感器、位移傳感器、比例節流閥、功率放大器、數據採集卡和計算機組成。改造后的實驗臺具有自動採集實驗數據、自動處理實驗數據、自動保存實驗數據、自動調節液壓系統負載壓力等功能，大大提高了實驗臺的工作效率、測試精度和智能化水平。Thirdly, it simulated the pumping circuit & dividing circuit with the widely used software matlab / simulink. the displacement of the rod piston and the impact of hydraulic are analyzed in the different input flow ( frequency of pump ) and different reversing time. it found out the cause of hydraulic impact ( one - to - one incorrespondence between the response time of dividing circuit and the operation time of rod piston ), and gave some methods to weaken hydraulic impact. in the final part of the paper, the reliability of the theory analysis is further verified by the experiment of hydraulic system
首先在流變學原理的基礎上，深入分析混凝土在輸送管道內的流動狀態，得出混凝土泵的負載特性方程；然後根據功率鍵合圖的建模方法，建立泵送迴路和分配迴路的數學模型，並運用模擬軟體matlab simulink對泵送和分配迴路模型進行了模擬，分析了在不同的輸入流量（泵送頻率）和換向時間下，活塞桿的位移和系統的液壓沖擊情況，找到了引起液壓沖擊的根本原因（即分配迴路的響應時間（固定值）與活塞桿的運動時間（變化值）不相匹配） ，並提出了相應的改進方法。Implants for surgery - wear of total knee - joint prostheses - loading and displacement parameters for wear - testing machines with displacement control and corresponding environmental conditions for test
外科植入物.全部膝關節假肢的磨損.帶位移控制和相關試驗環境條件的磨損試驗機械的負載和位移參數Implants for surgery - wear of total knee - joint prostheses - part 1 : loading and displacement parameters for wear - testing machines with load control and corresponding environmental conditions for test
外科植入物.全膝關節假體的磨損.第1部分:試驗用有負荷控制和相應環境條件的磨損試驗機的負荷和位移參數There was marked and extremely marked linear positive relativity among condylar elastic - limit load, largest load, stiffness and bone density, in which all relative coefficients exceeded 0. 862
其彈性極限負荷及位移、最大負荷及位移以正常組為最高，而剛度及骨礦含量則以切削組為最高，減徑組各項指標均最低。Footing or anchorage for scaffolds shall be rigid, and capable of carrying the maximum intended load without settling or displacement
腳手架的地腳或固定地必須穩固，能夠在承載預期最大負載的情況下不發生沉降或位移。The numerical results indicate that the deformation within the solid inner core is very small. however, in the fluid outer core, the changes of the displacement with relatively low spherical harmonic degree ( n < 10 ) is very complicated via the radius, due to the resonance near the eigenfrequenies of the core long - period oscillations. while the spherical harmonic degree of the loading is larger than 10, the deformation and the gravitational perturbation in the core are very small, and the earth ' s deformation response is dominantly represented as the radial displacement in the elastic mantle
研究了地球在日月引潮力和表面負荷作用下的形變特徵，數值計算結果表明，在固體內核中的形變很小，由於在長周期核模本徵頻率附近的共振，液核中低階（ n 10 ）位移隨半徑的變化非常復雜，當負荷階數超過10時，地核中的形變和擾動位都很小，地球的響應主要表現為彈性地幔中的徑向位移，且隨深度增加急劇減弱，地表負荷love數與信號頻率的依賴關系很弱，給出了體潮love數計算的一種有效的近似處理方案。The optimal cp potential shifted to negative direction in seamud containing active srb, - 1030 mv ( vs. saturated cu / cuso4 electrode, cse ) or lower potential was needed. accordingly, the cp current density was about 11 ma / m2
在srb存在下，最佳陰極保護電位移向更負的值， - 1030mv （相對銅/硫酸銅電極， cse ）甚至更低的電位是需要的。在- 1030mvcse保護電位下，保護電流密度約為11ma / m2 。Implants for surgery - wear of total hip joint prostheses - loading and displacement parameters for wear - testing machines and corresponding environmental conditions for test
外科植入物.全部髖關節假肢的磨損.磨損的負荷和位移參數.磨損試驗機和相應環境條件Implants for surgery - wear of total hip - joint prostheses - part 1 : loading and displacement parameters for wear - testing machines and corresponding environmental conditions for test
外科植入物.全髖關節假體的磨損.第1部分:試驗用磨損試驗機和相應環境條件的負荷和位移參數Implants for surgery - wear of total knee joint prostheses - loading and displacement parameters for wear - testing machines with load control and corresponding environmental conditions for test
外科植入物.全部膝關節假肢的磨損.磨損試驗機的負荷和位移參數.帶有負荷控制和相應控制條件的試驗機The temporal, spatial and frequency - field characteristics are discussed. the validity of the corresponding empiric formula is analyzed and the atmospheric effects and correction method are investigated in the data analysis of the ground - based observations. the atmospheric effects on the gravity observations are analyzed and detected using the gravity data recorded with the superconducting gravimeters at the global geodynamic project ( ggp ) stations
利用實測地面氣溫、氣壓資料獲得大氣負荷效應時間序列的數值結果，研究大氣影響的時間、空間和頻率特徵，分析經驗公式的有效性，研究地面觀測和數據分析大氣影響和改正的方案；利用ggp臺站超導重力觀測資料，分析檢驗大氣重力影響；分析igs臺站大氣位移改正的可能性By imposing the displacement of reciprocating sliding, an influence of the friction - velocity slope on squeal generation is tested
通過改變往復滑動位移，試驗了摩擦力-相對滑動速度負斜率對摩擦噪聲形成的影響。In this dissertation, the development survey, research actualities and application prospect of vamt are introduced at first, and the models of kinematics, dynamics and linear motor servo are analyzed then. currently the dynamics model is complex or established mechanically, which restricts the study of control theories. thus this dissertation present a simple and easy - realized control idea, namely, the fore and torque of every leg determined by the inverse - solution of mechanics are regarded as changeable load force ( disturbance ) applied in motor, the elongation of the leg or displacement of sliding is regarded as the output of linear servo system
本文首先介紹了虛擬軸機床的發展概況、研究現狀和應用前景，然後對其運動學、動力學、直線伺服系統模型進行分析，針對目前動力學模型過于復雜或完全從機構學角度建立不便於控制的問題，提出了簡單、易於實現的控制思想，即將虛擬軸機床的動力學方程反解所確定的各桿受力（矩）視為電機的可變負載力，以桿長伸縮量或滑塊位移為伺服系統輸出，從此構成位置閉壞，實現軌跡跟蹤控制。Theoretical computation in the precision estimation of the change in gravity and displacements due to atmospheric loading
大氣負荷引起的重力與位移變化理論計算的精度估計Torque feedback to suppress drillstring torsional vibration in extended reach well
大位移井鉆柱扭轉振動頂部扭矩負反饋減振研究Abstract : this paper deals with the simulation result analysis of three phase synchronous generator with rectified output with stator y connected, as well as with stator connected. the curves of overlap angle, displacement angle and power factor with load are presented, and the tendency of these curves are also described
文摘:對整流負載時凸極同步發電機定子繞組及y聯結模擬結果進行分析，繪出反映整流特性的換流重疊角、位移角以及功率因數隨負載變化曲線，並對變化趨勢進行分析。At present the main product includes ： the resistance should the variant, the proliferation silicon, the ceramics and so on three big kind of high temperatures, center warm, the normal temperature table press, certainly press, sensor and so on negative pressure, fluid position, difference pressure, current capacity, name is heavy, measures strength, torque, displacement, temperature / changes delivering and the necessary control measuring appliance
目前主要產品有：電阻應變式、擴散硅、陶瓷等三大類的高溫、中溫、常溫的表壓、絕壓、負壓、液位、差壓、流量、稱重、測力、扭矩、位移、溫度等傳感器/變送器和配套控制儀表。分享友人