正規振動 的英文怎麼說

中文拼音 [zhēngguīzhèndòng]
正規振動 英文
normal vibration
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 規 : Ⅰ名詞1 （畫圓形的工具） instrument for drawing circles 2 （規則; 成例） rule; regulation 3 [機械...
  • 振 : 動詞1. （搖動; 揮動） shake; flap; wield 2. （奮起） brace up; rise with force and spirit
  • 正規 : regular; standard; normal正規部隊 regular troops; regulars; 正規教育 regular education; proper ed...
  • 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
  1. Presents the model proposed for analyzing the vibration characteristics of shrouded blades and their calculation method by employing a wave propagation theory and modal synthesis technology coupled with a finite element method from the view point it is possible not only to conduct frequency modulation of the shrouded blades of a gas turbine, but also to utilize the friction effects between them to dissipate energy, thereby attaining the aim of vibration alleviation, as shrouded blades have been widely used in the design of high - speed turbomachinery, such as modern gas turbines and steam turbines, and with the shrouded blades forming an integral whole in a centrifugal force field, the vibration characteristics of the whole ring of blades are different from those of a single isolated blade, and this makes it essential to take into account the integral effect of blade shrouds, concludes from the calculation examples and engineering application that the above approach is valid and correct along with the possibility of considerably reducing the scale of calculation and analysis, and points out it is necessary to take into consideration the coupled effect of the whole ring of blades while the dynamic characteristics of shrouded blades is being analysed

    帶冠葉片不但能調頻，還可以利用葉冠之間的摩擦效應來耗散能量，達到減振的目的.帶冠葉片在離心力場中形成一整體，其整圈葉片振動特性不同於單個孤立葉片，需考慮葉冠的整體效應.利用帶冠葉片系統的循環對稱性，提出了採用波傳播理論和模態綜合技術，結合有限元方法研究燃氣輪機帶冠葉片振動特性的分析模型和計算方法.算例和工程應用證明了該方法是效性的、正確的，並可以大大降低計算分析規模.研究表明帶冠葉片動力特性分析時必須考慮整圈葉片的耦合效應
  2. 1 m 0. 5, the phase - shifted angle 6 is controlled in term of sine law which makes the magnitude of resonant voltage track a reference sine voltage, and the resonant voltage is rectified, filtered, inverted and then the better sine - voltage output is obtained, theoretical analysis and experimental results show that for the resistive load and inductive load, the switches of leading leg of the phase - shift - controlled circuit are always turned on at zvs, and ones of lagging leg are turned on at zvs ( < 0 ) or turned off at zcs ( ( > 0 ), moreover, all switches in the low - frequency inverter are always turned on and off at zvs, the measured circuit efficiency for rated load reaches up to 88 %

    從功率單向流動角度出發，提出了一種lcc諧振型恆頻移相單相高頻鏈逆變電路拓撲，在調制系數0 . 1 m 0 . 5情況下，控制移相角按正弦規律變化，使諧振電壓脈沖列的幅值追蹤參考正弦電壓信號，經過整流、濾波、低頻逆變，從而獲得正弦度較好的輸出電壓。理論分析和實驗結果證明對于阻性負載或阻感性負載，移相全橋具有超前橋臂零電壓開通，滯后橋臂或者零電壓開通（ _ 0 ）或者零電流關斷（ _ 0 ）的軟開關特性，而低頻逆變器的各個開關均實現零電壓條件下的開通與關斷。
  3. In this dissertation, two kinds of optimization, methods are proposed. firstly, only these linking weights corresponding to the control rules that affect the control performance significantly are updated in order to reduce the compute works and speed up the training progress. secondly, the updating step is adjusted adaptively in accordance with the error and the change of error of the system based on the t - s model to get better performance

    針對模糊神經網路控制器一般存在著在線權值調整計算量大、訓練時間長、過度修正權值可能導致系統劇烈振蕩等缺點，提出了兩種模糊神經網路控制器的優化方法：在線自學習過程中僅對控制性能影響大的控制規則相關的權值進行修正，以減小計算量，加快訓練速度；基於t - s模糊模型，根據偏差及偏差變化率大小動態自適應調節權值修正步長，抑制控制器輸出的劇烈變化，避免系統發生劇烈振蕩。
  4. After several times of dynamic balance tests and modifications, the vibration and swing of generating units are controlled within the allowances

    通過多次動平衡試驗與校正，使機組的振動與擺度控制在規范允許的范圍內。
  5. Rule 3 : in an informal tournament, keep the phone on vibrate and answer the phone or make calls properly such as for the traffic jams on the course without any distraction to other players

    規則3 ：非正式比賽，可以將手機放在振動檔，適時地接打電話，比如遇到球場塞車，但是不可以影響其他球手。
  6. Applying normal form method, conventional eigenvalue calculation and prony analysis, small signal stability and time domain simulation can be combined efficiently. the proposed method can get nonlinear information which never obtained by past techniques, so it shows a new way for analyze oscillation problems in interconnected power systems

    通過正規形方法、小信號穩定特徵值計算技術、時域模擬、 prony分析的有機結合，達到小擾動和大擾動后低頻振蕩穩定性分析的統一，為互聯系統低頻振蕩分析開辟了新的思路。
  7. A powerful tool of dynamical system analysis named normal form method is presented in this dissertation, and then it was used to analyze oscillation phenomena in interconnected power grids. using nonlinear coordinate transformation of normal forms, a fully described power system can be converted to an equivalent reduced order model, which can still use the conventional modal analysis of small signal stability problems

    論文將動力系統非線性分析的正規形理論應用於互聯系統低頻振蕩分析中，利用正規形方法的非線性坐標變換，將高階電力系統轉化為等價的低階系統，在保留非線性信息的同時，使其仍然可以使用常規小信號穩定研究的模式分析方法。
  8. Understanding the mechanism of vibration generation and its propagation rule is the prerequisite to evaluate environmental vibration correctly and appropriately

    要做出正確、適當的環境振動評價，首先要清楚列車運行時振動產生的機理及其傳播規律。
  9. It lays emphasis on constructing such industrial bases as automobiles, petrochemicals, shipbuilding and paper making, actively develops such new industries as bio - technology, new medicine, new materials and new energy, rejuvenates equipment manufacturing industry and speeds up the development of modern service industry. guangdong has already seen the formation of nine pillar industries including electronic information, electric appliances & machinery, petrol chemistry, automobile, pharmaceuticals, paper making, textile and garments, building materials

    當前，廣東正大力推動產業結構調整，加快以信息技術為重點的高新技術產業發展，重點規劃建設汽車、石化、造船、造紙等產業基地，積極發展生物技術、新醫藥、新材料、新能源等新興產業，振興裝備製造業，加快發展現代服務業。廣東已形成電子信息、電器機械、石油化工、汽車、醫藥、造紙、紡織服裝、建築材料等九大工業產業， 2004年完成增加值5043億元。
  10. The rule of free vibration and vertical seismic action of pyrimid space grid ( psg ) roof structures are studied in this paper

    本文主要研究平板型周邊支承正放四角錐網架的固有振動規律和豎向地震作用。
  11. Dynamic characteristic of orthogonal vierendeel dome was discussed, and the influence on vibration characteristic acted by difference including rise - to - span ratio, shell thickness, section area and constraint condition was studied. vibration shapes - separation - spectra - method and time - history method were adopted to analyze the dynamic response of orthogonal vierendeel dome under common earthquake. by comparing dynamic response in different direction and dimension seismic excitation, the value and distribution of dynamic internal force were obtained

    本文研究了正交空腹網殼結構的動力特性，分析了矢跨比、網殼厚度、腹桿截面和支座約束條件對結構自振特性的影響；採用反應譜法和時間歷程法對正交空腹網殼的地震響應作了詳細的分析，分別研究了結構在不同方向地震激勵下和在不同維數地震激勵下動力響應的數值大小和分佈規律，並比較了兩種方法的結果差異，對抗震設計具有參考價值。
  12. The magnetically insulated transmission line oscillator ( milo ) is a coaxial crossed - field device. there exists great importance in the investigation either into the fundamental physics related to the beam - wave interaction or into the rule of electron movement in this device

    磁絕緣線振蕩器（ milo ）是一種同軸正交場器件，深入研究其內部的電子運動規律和束波相互作用的物理機制具有重要意義。
  13. Finally we conducts rig test with fuzzy control system. the test results indicate fuzzy control system is able to lower intensity of body vibration and the national standard on the vibration eligible class of the engine is met. it is demonstrated that the mathematical model and fuzzy control arithmetic presented by the paper are accurate and reliable, which make an active seek and research on control strategy of engine vibration

    以matlab + simulink為模擬工具，設計了模糊控制系統和被動控制系統兩類不同的模擬模型，並進行了對比模擬和結果分析，在此基礎上，設計開發了以80c196kc單片機為主控器件的模糊控制系統，進行了控制系統的軟、硬體設計，最後對所設計的模糊控制系統進行了臺架實驗，實驗結果表明模糊控制系統能有效地降低了內燃機整機振動的強度，達到了國標規定的合格級，證明了本文建立的數學模型和模糊控制演算法是正確可行的，在內燃機振動控制策略方面作了一個積極的探索和研究。
  14. Secondly, agreement between the result from the mentioned eigenvalue arithmetic and the result from numerical calculation in the airfoil differential equation with runge - kutta method which obtain the trend of physical variable quantity demonstrate the fact that the assumed model and the given equations are valid

    其次，通過用龍格?庫塔的數值方法對微分方程進行迭代，所求出的系統各振動量變化規律和上述算例的特徵值對比，結果是一致的。這就驗證了建模的合理性和方程推導的正確性。
  15. With synthesizing the relevant other internal and external researchers " the achievements of theory and the results of experiment, the follow work have been done in this project : revising the formulas of ground stiffness coefficient and the mass of vibrating soil and the dynamic affecting degree of depth, which apply the theory of elastic half - space and the knowledge of the soil mechanics and consider the influence of the soil characteristic and inertial action, the interaction between foundation and ground, the diverse load ; making the model of ground and foundation system calculating natural frequency by using the big - scale software supersap which is for special purposes of finite element analysis ; according to the experiment analysis, correcting and adjusting the finite element model in order to have it accord with the fact and meet the engineering demands ; doing the vibrating experiment for testing the results of the theoretical analysis and the finite element calculation ; summing up some regulars of the ground stiffness

    本文綜合參考了國內外其他學者的理論成果和實驗結果，進行了如下研究工作：運用彈性半空間理論和土力學的知識，考慮土體特性和慣性作用、基礎與地基的相互作用以及不同荷載形式等因素的影響，對動力機器基礎進行了嚴密地理論分析，修正了地基剛度、參振土質量和動力影響深度的計算公式；利用專門用於有限元計算的大型分析軟體supersap對地基基礎體系進行了建模計算，根據實驗分析，對有限元模型不斷地進行修正和調整，使其更加符合實際情況，滿足要求；通過振動實驗對理論分析和有限元計算結果進行了驗證；總結出了一些地基剛度的變化規律。
  16. Additionally, the dry - pit submersible pumps shall operate within the acceptable field vibration limits as established by the hydraulic institute for this class of equipment at all speeds and loads within the operating range specified herein

    此外，乾井潛水泵應該能夠在美國水利協會為這類設備規定的可接受的現場振動范圍內，在本說明書的工作范圍內，以全速、滿負荷進行正常運轉。
  17. The research work on the chaos is carried out in chapter 5. the properties of chaos sensitively dependent on the initial conditions and the perturbations are proved and a method of controlling chaos of duffing oscillator is investigated as well. in chapter 6, the bifurcation and chaos of continuous nonlinear systems are researched

    第五章用正規攝動法給出了一維非線性微分方程的通解，並以此為基礎解析地證明了混沌運動對初值的敏感依賴性和對擾動的敏感依賴性，並以杜芬振子為例子以驗證，研究了杜芬振子的混沌運動控制的多諧擾動法。
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