阻索器 的英文怎麼說
中文拼音 [zǔsuǒqì]
阻索器
英文
depth-rope brake-
The flight deck measures 333 x 77m and is equipped with four lifts, four steam - driven catapults and four arrester wires
飛行甲板有333米長, 77米寬,裝備有4部升降機4具蒸汽彈射器和4條降落攔阻索。The relationships of modal damping versus the stiffness of cables, the attachment height of damper and damping constant are obtained. with the optimal structural control method, a new approach to determine the optimal damping constant of viscous damper is presented. the first a few modal damping can be optimized simultaneously under the optimal damping constant of damper, which is more convenient than the existed design method
4 、對拉索-粘性阻尼器系統的動力特性進行了研究,得到了拉索剛度、阻尼器安裝高度及阻尼系數等參數對拉索系統模態阻尼比的影響規律;根據最優控制原理,提出了一種確定阻尼器優化阻尼系數的方法,該方法確定的阻尼系數能保摘要證前幾階模態阻尼比得到整體優化,改進了現有的設計方法。Besides, scan rate and cycle period also affect the result ; co - deposition of dualistic oxide is a focus of research, as an element in the same group, ir is selected. deposition rate of composition is decreased by the adding of ir composition, and when the proportion of ir exceeded 50 %, composition procession can be ceased. but cooperation of ir and ru oxide can highly increase the specific capacitance of active material ; annealing treatment under a certain temperature can help to change the hydrate ru composition into mixture state ru oxide, accordingly increase the stabilization of active material
研究表明:電解液的配製過程中,氯化釕濃度、溶液ph值、陳化時間、溶液溫度對電鍍效果均有影響,其中溶液ph值是最主要的影響因素;在儀器的使用條件探索中,理論結合實驗確定了本電鍍液體系循環伏安電勢窗的理想范圍,並發現循環伏安掃描速度和掃描周期對電鍍結果也有較大影響;混合氧化物的共沉澱是目前研究熱點,在此選用與釕同一族的銥作為共沉澱元素,銥的加入會阻礙氧化物的沉積速度,銥的比例超過50 %會使沉積作用停止,但是二元氧化物的協同作用使沉積的活性物質比容量大大提高;一定溫度下退火后處理作用會使水合釕化物轉變成混合價態的氧化釕,從而提高活性物質的穩定性。Verify that your rules are efficient, that you have the proper indexes defined on event and subscription data, that vacuuming is running to remove old data, and that the rules are not being blocked by other processes running on the server
驗證下列各項:您的規則有效、您對事件和訂閱數據定義了正確的索引、正在運行清空操作以刪除舊數據,以及規則未被服務器上運行的其他進程阻塞。Traditional approach to raise damping is installing passive damper between cable and deck, such as viscous ( oil ) dampers
目前增加拉索阻尼的常用辦法是在拉索和橋面間安裝被動阻尼器,如油阻尼器。Simulation results show that the method is very simple to application and has also a good precision. non - parameter neural network model of the cable - damper system is formatted. based on the damping force and responses for past time steps, responses at the next time step can be predicted accurately with the non - parameter model
3 、應用神經網路技術對參數識別和非參數化建模問題進行了研究,提出一種直接識別結構物理參數的神經網路識別方法,該方法演算法簡單,識別精度高;建立了拉索-阻尼器系統的非參數神經網路模型,該模型根據過去幾個時間步的阻尼力及結構響應能精確預測下一時間步的響應。Taking the bending stiffness, cable sag and cable inclination into consideration, the space vibration control of the cables using the visco - elastic dampers in cable - stayed bridges is investigated by joining the center difference method and the state space strategy. both the maximum modal damping ration and the optimal damper size are obtained, then the practical suggestions are proposed for the design of the dampers. the space nonlinear vibration equations of the cable - damper system are derived, and a new hybrid method for solving the cable - damper system is presented by combing the newmark method and pseudo - force technology
綜合考慮了拉索抗彎剛度、垂度的影響,研究了粘彈性阻尼器對斜拉橋拉索的空間振動控制,聯合中心差分方法及狀態空間法,得出了拉索麵內、外振動各階模態可能達到的最大阻尼比及相應的最優阻尼器系數,並對斜拉橋拉索的阻尼器設計提出了參考建議:考慮拉索抗彎剛度、垂度及幾何非線性,導出了索-阻尼器系統的空間振動非線性方程組,結合newmark方法及偽力( pseudo - force )方法,創新地提出了求解非線性方程組的雜交方法,根據拉索-阻尼器系統的阻尼特性,在各種荷載作用下,對索-阻尼器系統的非線性瞬態振動響應進行了研究,從系統響應的角度更加直接地驗證了阻尼器的控制效果。Base on review of existed study and application in suppressing cable vibration in the world, technique of mitigating cable vibration with viscous damper and mr damper has been investigated in this dissertation, and the main contents and progresses in form of summary are as following : 1 the motion differential equations of the cable - damper system are formatted, which take into account these factors, such as the inclined angle, sag, stiffness etc. coupling motion between cable and deck is studied with analytical and numerical method. numerical results show that large amplitude vibration of cable with beat rhythm will occur when exciting frequency of deck equals two times modal frequency of cable
本文在對國內外斜拉索振動控制研究與應用現狀進行綜合評述、分析的基礎上,針對上述問題進行了深入研究,具體的研究內容和取得的成果包括: 1 、建立了斜拉索-阻尼器系統運動方程,對拉索與橋面的耦合振動作了分析和研究,數值結果顯示當橋面激振頻率等於某階拉索模態頻率的兩倍時,很小的初始擾動將引起拉索的大幅振動,並呈現拍振的特徵,與實測的拍振信號一致。In recent years, engineers have provided many countermeasures to control the vibration, including attaching dampers on cables
近年來,在結構工程師採取的各種控制拉索風致振動的措施中,以附加阻尼器方式的應用最為廣泛。Based on the transient response, the control effectiveness of the visco - elastic dampers is further demonstrated. according to the lqr optimal control theory, clipped - optimal control arithmetic, and the modified bouc - wen model of the mr dampers, the lqr - clipped semi - active control is proposed. the passive, active, and semi - active control of the cables are analyzed by using the difference discretization model of the cable - dampers system
結合lqr最優控制理論、面向速度剪切( clipped - optimal )控制演算法及修正的磁流變( nr )阻尼器bouc - wen模型,創新地提出了lqr - clipped半主動控制演算法,應用拉索振動的差分離散模型,對斜拉索的面內振動進行了被動、主動及半主動控制研究,分析了mr阻尼器對斜拉索的振動控制效果。Finally, based on the results of theory and simulation, a model of reluctance coil launcher is realized. it is proved that the new launcher overcomes the shortcomings of the traditional coil launcher whose discharge time is difficult to control and structure is complex. the excellent performance of the launcher is proved by the experiment data
最後,根據理論分析和模擬結果,搭建了一種磁阻型線圈發射系統,實驗結果說明該發射系統克服了傳統磁阻型發射器放電時間難于控制和線圈結構復雜的缺點,實驗數據很好地驗證了新型發射器的理論設計和模擬結果,為今後的學習積累了實驗數據和實踐經驗,為進一步的研究探索提供了指導。In view of at present on the solid bridge the high - damping rubber dampers use the press capability of high damping rubber, the material utilization ratio is low, in this paper, the high damping rubber shearing damper has been put forward. by way of shearing capability trial of the high damping rubber damper test objects, the effects of laws concerning frequencies, temperatures and layer ' s thickness on the behavior of the damper are obtained ; and one kind of simple and convenient design method of high damping rubber shearing damper has put forward. finally high - damping rubber shearing damper is in simple comparison with viscous shearing damper
鑒于目前實橋上高阻尼橡膠圈是利用的高阻尼橡膠的擠壓性能,材料利用率低,本文提出了剪切型的高阻尼橡膠減振器,通過高阻尼橡膠減振器試件剪切性能試驗,獲得了頻率、應變幅值,厚度等各種參數對高阻尼橡膠減振器試件的影響規律,並提出了一種簡便的高阻尼橡膠剪切型拉索減振器的設計方法,最後並與粘性剪切型阻尼器做了簡單比較。4. this thesis introduces the application of rd - 1005 mrfd in hunan yueyang dongting lake bridge and permanent magnetism adjustable assemblage mrfd in changsha hongshan bridge and changsha liuyang river bridge. the studies on cable vibration mitigation field tests in these bridges are presented
4 .介紹了湖南嶽陽洞庭湖大橋上安裝磁流變阻尼器的情況,在長沙洪山大橋、長沙瀏陽河大橋全橋拉索上安裝了永磁調節裝配式磁流變阻尼器,並進行了現場拉索減振試驗研究。Then, the program based on complex eigenvalue method was employed to investigate the influence of three parameters on vibration - controlled of cables. final, in term of character of vsd which is strongly dependent on temperature, the method based on lowermost damper of first order vibration - controlled aim at design tiptop temperature and checked at minimum temperature is presented, in which available shear area of damper is calculated
最後,在學習國內外研究成果的基礎上,根據粘性剪切型阻尼器的溫度依賴性強的特點,提出在設計最高溫度下,以滿足一階制振目標的阻尼值下限為標準設計阻尼器插板的有效剪切面積,最後在設計最低溫度下復核拉索各階制振目標是否滿足的設計方法。However, in the aseismic design of engineering structures, a new method named seismic isolation has been found to solve this problem, with which the isolators and dampers are used to isolate, absorb and disperse energy so that seismic response of structures is reduced
為了提高結構的抗震性能,還可以探索新的途徑,那就是採用隔震技術,即利用隔震器和阻尼器來隔離、吸收和耗散地震能量,減小結構的地震反應。If the server is disallowing the authentication, open up the ssh server trace sshd. trace on machinea to look for clues
如果是服務器阻礙了認證,那麼打開ssh服務器跟蹤( machinea上的sshd . trace )尋找線索。The primary objective of this dissertation is to study the intelligent control, such as the neuro - fuzzy control, for the suspension vibration of a full - vehicle model with four mr dampers installed between the sprung - mass and the four un - sprung masses, respectively
因此,本文以安裝四個磁流變阻尼器的整車懸架為研究對象,探索以神經模糊控制為主要特徵的智能控制策略。Taking some suspension bridge as an investigation target, we used emulation mode of the finite element method to investigate effects of damper parameters on anti - seismic performance of a suspension bridge
摘要以某懸索橋為分析對象,採用有限元模擬分析方法,研究了粘滯阻尼器不同參數對該橋抗震性能的影響。A new type of damper using high damping rubber is designed in this paper. the characteristic of the high damping rubber and the application of the damper on cables are discussed
本文進行了高阻尼橡膠性能試驗,並在此基礎上,開發設計出一種簡便、實用的拉索振動被動控制裝置? ?高阻尼橡膠剪切型阻尼器。The main purpose of this paper is to analyze the effect of the viscous shearing damper used to control the vibration of cables of the cable stayed - bridge
本論文的主要目的是分析評價斜拉索採用的粘性剪切型阻尼器的減振效果。分享友人