立懸垂 的英文怎麼說
中文拼音 [lìxuánchuí]
立懸垂
英文
hand and foot support-
Chapter 4 time - dependent computational simulation of the response of cable - suspension feed system in gusty wind based on the time - independent structure finite element method, and with consideration of the movement laws of cabin, a 3 - d time - dependent structure finite element model formulated by a new method named iss method ( instantaneous structure supposition method ) to deal with the vibration response of cable - suspension feed system in gusty wind is presented. in the model, all sources of geometric non - linearity, cable sag and changes of cable geometry due to large displacement, are fully considered
基於時不變結構的有限單元法，在綜合考慮饋源艙運動規律的基礎上，提出了時變系統的瞬時結構假定法，通過將懸索離散為索桿單元，建立了系統的時變有限元模型，該模型充分考慮了懸索的垂度和大變形等幾何非線性因素，應用ne 。The eye was, for a long time, wholly lost in this labyrinth, where there was nothing which did not possess its originality, its reason, its genius, its beauty, - - nothing which did not proceed from art ; beginning with the smallest house, with its painted and carved front, with external beams, elliptical door, with projecting stories, to the royal louvre, which then had a colonnade of towers
久而久之，目光深深陷入這迷宮里，把您也看得出神了，在迷宮里，從那門面雕梁畫棟、外部屋架木頭結構、大門扁圓、樓層懸垂的最末等的房舍，直至當時塔樓如列柱林立的富麗堂皇的盧浮宮，無一不是匠心獨運，合情合理，才華橫溢，美不勝收，無一不是藝術的結晶。The force control of suspension bridge anchorage cable is the main contents which will be researched. according to the character of suspen - sion bridge anchorage, three questions is solved in this paper on the basis of the construction control experience of the highway bridge of yichang yanzhi river. firstly, an effective method of cable force control is presented in this paper, which has settled the puzzle of cable force accurate operate through fixing a pressure transducer at the behind of the hydraulic jack. secondly, an exactitude calculation model is founded in this paper. in addition the influence of boundary condition, sag, inclination, flexural rigidity and environment temperature to the cable vibration frequency which make the frequency method could be used to the measurement of cable force. in the end of this paper, a control system of anchorage cable force is developed on the basis of the above research. this system is very steady, credible, high precision and convenient. it is a new and credible method to be used to the force control of sus - pension bridge anchorage cable. in this paper, the conundrum of cable force control has been solved. the fruits are very useful to the development of inland suspension bridge
提出了一種有效可行的錨跨張力控制方法，即通過在油壓千斤頂后加壓力傳感器，並利用單片機技術進行數據採集，解決了懸索橋錨跨索股初張力精確控制的難題；建立了錨跨索股索力的精確計算模型，分析了索股的邊界條件、斜度、垂度、抗彎剛度及環境溫度對索股頻率的影響，解決了弦振法在大跨徑懸索橋索力測試中的應用問題；在上述研究成果的基礎上，研製出了錨跨張力控制系統，該系統具有穩定可靠，精度高，使用方便等特點，它的投入使用將為我國今後大跨徑懸索橋錨跨張力控制提供一種全新的、可靠的手段。Because the different stiffness match of front and rear suspension is very influencing to the ride comfort, optimal model of ride comfort is developed, regarding the rms of driver ’ s acceleration as the objection, regarding the stiffness of front and back suspension as optimal variable, regarding quiet flexibility 、 dynamic flexibility 、 frequency and dynamic load as nonlinear constraints. by matlab program and using sqp, the optimal match of front and back suspension ’ s stiffness is achieved, this optimal model consider not only request of quiet 、 dynamic flexibility 、 frequency and damp, but also security of run and peace of road, it is closer to the fact than other models which only consider partial restriction
由於前後懸架垂直剛度的不同匹配對汽車行駛平順性影響較大，論文建立以駕駛員垂直加速度的均方根值作為汽車行駛平順性優化目標值、以前後懸架垂直剛度作為優化變量的優化設計模型，並輔以靜撓度、動撓度、頻率、動載荷等非線性約束，使用序列二次規劃法，利用matlab編制優化程序，求得前後懸架垂直剛度的最優匹配值;此優化模型不僅包含動靜撓度及頻率和阻尼的限制，還考慮到汽車的行駛安全性和道路友好性，比文獻報道的只考慮部分約束的優化模型更切合實際情況。Base on the model founded, this paper assessed the ride performance by analyzed the root mean square value of power spectral density of acceleration of z - axis and round y - axis rotation acceleration at the driver ’ s seat. the root mean square value of suspension working spaces and dynamic tyre loads were also analyzed. base on the assessing system of vehicle ride performance, the root mean square
根據模型建立的實際情況，對車輛標準載荷情況下的平順性指標進行了計算，對人體感受到的振動採用了垂直方向和繞橫軸轉動方向的加權振級來評價，計算了車輛懸架系統的動撓度均方根值和各車輪相對動載荷均方根值的情況，全面的評價了車型的平順性。In order to study the vibration in the artillery traveling more accurately and completely, a tire force model of non - linear and self - adapting stochastic contacting mark is set up, and this model provides a good method to study the driving system ' s horizontal and vertical excitation caused by the plainness road surface. the suspension of the tractor is simplified by the model of spring - damp system, and the artillery torque rod is also simplified by torsion spring
為了更準確和全面地研究火炮牽引行駛過程中出現的振動，建立了非線性自適應隨機接地印跡的輪胎力學模型，該模型能很好地研究路面不平度對火炮牽引系統的垂直和縱向激勵；牽引車懸架簡化為彈簧阻尼系統；火炮扭轉桿簡化為扭簧。Within the specified time limit, the strategy determines and implements an optimal feed - forward control sequence to the system, swings up the double inverted pendulum from its hanging position, and achieves zero speed state at the upright position
該策略通過在規定的時間內向系統施加一前饋控制序列，使上、下擺桿從自然懸垂位置擺到倒立點位置並使速度為零。In the case of high rise residential areas, such as the proposed hung shui kiu sga, some overhang would be required on the barrier
在高樓大廈林立的住宅區，如擬建洪水橋策略性增長地區的屏障上加建懸垂物；If you have received a notice to evacuate because of landslip danger, or if you believe that your home is endangered by an unstable slope or retaining wall, or overhanging boulders, you should make immediate arrangements to move to a safe shelter
如果你認為你居住的地方受到危險斜坡、護土墻或懸垂大石所威脅，你亦應立即撤離居所，到安全地方暫避。分享友人