阻尼穩定性 的英文怎麼說
中文拼音 [zǔníwěndìngxìng]
阻尼穩定性
英文
damping stability- 阻 : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
- 尼 : 名詞(尼姑) buddhist nun
- 穩 : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
- 定 : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 穩定性 : antiwhip
- 穩定 : 1 (使穩定) stabilize; steady 2 (穩固安定) stable; steady 3 (物質的性能不易改變的作用) stabi...
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Gas - filled shock absorber injected with pure n2, which not only keeps stability of damping force, but also reduce aerification and foaming, meanwhile, extend the effective life
氣壓式內充入純氮氣,不僅可保持阻尼的穩定性,還可減少油液汽化及泡沫化,延長產品有效壽命。People now pay much attention at porous aerostatic bearing which has obviously higher load capacity and better damping characteristic and stability. there are two kinds of porous aerostatic bearing : the whole porous and partial porous
多孔質氣體靜壓軸承能明顯提高軸承的承載能力,具有更優越的阻尼特性和穩定性,故得到廣泛的關注。Helicopter is hard to hover precisely for its bad stability. ordinarily, it is improved by flight control system, such like rotorcraft unmanned aerial vehicles which use bell bar or bell - hiller stabilizer bar. bell stabilizer bar, fixed across with teetering main rotor, consists of a bar and masses at two ends
貝爾穩定桿由一桿與兩質量塊組成,它與貝爾直升機的蹺蹺板旋翼垂直交叉放置,這種旋翼裝置有助於加大角速度阻尼,改善貝爾直升機的穩定性,但同時也降低了操作性。Model experiment and damping identification for aeroelastic stability of helicopter rotor with elastomeric lag damper
帶粘彈減擺器旋翼系統氣彈穩定性試驗與阻尼識別By using the larger magnetic permeability, magnetic fluid was used to improve the magnetic circuit efficiency in torque motor, enlarge the output torque and displacement of torque motor, and the output flow of servo valve. correspondingly, the ability of noise - overcoming and system damping was enhanced due to the property of magnetic fluid. as a result, the stability of servo valve and servo - control system can be improved
由於磁流體具有較大的導磁率,可提高力矩馬達磁路效率、增大力矩馬達的輸出力矩和位移,從而增加伺服閥的輸出流量;同時,利用磁流體的粘度特性,可增強力矩馬達阻尼及抗干擾能力,從而增強伺服閥及伺服控制系統的穩定性。The measurement and analysis of damping in relief - valve dynamic instability
溢流閥動態不穩定性能中的阻尼測試及分析So choose parameter of damping device with reduce energy storage to improve cvt become and respond effective way of characteristic wink rational, this increases the capacity of sending for raising the dynamic stability of the supervoltage power transmission and transformation system, guarantee power system safe and reliable to run and have important technology economic meanings
因此,合理地選擇阻尼器的參數以降低儲能是改善cvt瞬變響應特性的有效途徑,這對于提高超高壓輸變電系統的動態穩定性,增大輸送容量,保證電力系統安全可靠運行具有重要的技術經濟意義。The rate gyro feedback provides positive dynamic stability and well-damped transient response to commands or disturbances.
速度陀螺反饋提供正向動力學穩定性和對于指令式擾動的很好阻尼的瞬時響應。Unified power flow controller ( upfc ) is one of the most powerful and most promising controllers of facts. if we use upfc to control the transmission parameters, terminal voltage, line impedance and phase angle in normal situation and use it to compensate zero sequence and negative sequence currents when one of transmission lines is cut off, we can implement two phases operating in high voltage transmission lines, which can improve stability and reliability for the transmission system
統一潮流控制器( upfc )是功能最強、最具發展潛力的靈活交流輸電系統( facts )控制器之一,如果在常規條件下,用upfc實現輸電線路的電壓調節、移相、潮流控制、阻尼振蕩等功能,在發生單相永久性接地或單相斷路故障時,由傳統的三相跳閘改為單相跳閘,用upfc的並補來濾除兩端系統的零序和負序電流,用upfc的串補來提高輸電線的傳輸功率,以實現兩相長期運行,那麼輸電系統的穩定性、可靠性將大大提高。In the forth chapter, the performances of mr dampers designed and fabricated at chongqing university have been tested in national center for test and supervision of coach quality, including schematics of damping force vs. displacement of piston head, damping force vs. velocity of piston head, etc. for some given electric currents of the coil. the experimental results demonstrate that damping force offered by mr damper consists of background damping generated by resistance of mr fluid and damping caused by magnetic field
對不同勵磁電流條件下的理論阻尼力與測試阻尼力進行了比較,分析了產生誤差的主要原因;對阻尼器產生溫度效應產生的主要原因進行了分析,提出了應該提高磁流變體的溫度穩定性;推導了磁流變體的感性和容性流動方程,從理論上分析了磁流變體的感性和容性對阻尼器特性的影響。The dynamics behaviors of the flexible jeffcott rotor system supported by unsteady short dynamic bearing are investigated. based on nonlinear unsteady - state dynamic n - oil film force model described by three functions the local stability of the periodic solutions with the controlling parameters, rotational speed ratio, imbalance amount, damping ratio and viscidity, are predicted by using the floquet multiplier. it is found that the period doubling bifurcation is caused by a certain imbalance amount and the hopf bifurcation is created by the lost stability of the oil - film
研究了非穩態動載短軸承支撐的jeffcott柔性轉子系統的動力特性,基於可用三個函數表示動態油膜的非穩態非線性油膜力模型,將轉速比、不平衡量、阻尼比、粘度作為控制參數,利用floquet乘子預測周期解的局部穩定性,發現倍周期分叉是由一定量的不平衡引起的,而hopf分叉是由油膜失穩造成的。Stability and intensity of structure are commonly top - priority in the structure design. when a noise problem has been found in the structure, the common way to decrease vibration is adding damping or vibration isolating because of much restriction in the modification of structure
在常規的結構設計中,設計過程往往優先考慮結構的穩定性和強度及重量等因素,在試驗階段才考慮振動和噪聲問題,此時,結構可改動的餘地一般已經很小,通常只可能通過附加阻尼或者採用隔振手段等來實現減振降噪。Vehicle damper using er fluid can produce continuous and controllable damping forces for vehicle ' s best ride comfort and road holding, so many scientist focus on it. today ' s researches are on control features on condition that vehicle ' s passive damper is replaced by er damper operated by external energy source
使用電流變流體作為工作介質的車用減振器可以在電場的作用下,產生連續可控的阻尼力以實現車輛良好的乘座平順性和操作穩定性,是電流變技術應用中的一個研究熱點。Numerical stability of explicit finite element schemes for dynamic system with rayleigh damping
瑞利阻尼介質有限元離散模型動力分析的數值穩定性Consequently, the suspension with mr damper not only increases ride comfort, but also guarantees the controlling stability of vehicle
因此,基於磁流變阻尼器的半主動懸架在改善行駛平順性的同時,能夠保證車輛的操縱穩定性。The unified power flow controller ( upfc ) is one of the most enterprising realizations of the idea of flexible ac transmission system ( facts ). having the ability of controlling most of the basic power system parameters, upfc can flexibly adjust the real and reactive power through the transmission line, damp the oscillation, and enhance the stability of power system and so on
統一潮流控制器( upfc )是靈活交流輸電系統中最有代表性的成員,具備控制多種電力系統參數的能力,因而可以靈活地調節線路有功和無功功率、阻尼系統振蕩、增強電力系統的穩定性和提高輸電線路的傳輸極限。The paper studied controlling rotor vibration with the super - elasticity of sma and sfd, set up the new equation of sys tern vibration according to the stress - strain curve of sma in super - elasticity state, used the nonlinear theory and the dynamic stability theory to study the vibration of rotor controlled by sma, discussed the stability condition of the system, obtained the relationship of system parameters when bifurcation was appeared, supposed a method that improves the stability of rotor system and restrains vibration amplitude though changing parameters, and finally validated the effect of restraining vibration of the improved system through emulation
摘要研究利用形狀記憶合金的超彈性和擠壓油膜阻尼器控制轉子振動,利用形狀記憶合金在超彈性狀態下的應力應變曲線,建立了新的系統振動方程,運用非線性理論和運動穩定性理論研究轉子在形狀記憶合金控制下的振動狀態,討論了系統的穩定性條件,獲得系統發生分岔時系統參數之間的關系;並提出了通過改變參數來提高系統穩定性和抑制振幅的方法,最後通過模擬驗證了改進后的系統振動抑制效果。The effect of track stiffness and track damping on high - speed train hopf bifurcation speed is discussed. the difference of the lateral stability between vehicle and train under the same track conditions is given. during the research course, the effect of bogie suspension parameters, track parameters, lateral link stiffness and lateral link damping between cars on train ( vehicle ) hopf bifurcation speed are also educed
在研究過程中,既研究了車輛系統懸掛參數對列車(車輛) hopf分叉速度的影響,也研究了軌道參數對列車(車輛)系統hopf分又速度的影響,同時還研究了車間橫向連接剛度導和橫向連接阻尼系數對列車系統運動穩定性的影響。With pulsating pressures or mechanical vibrations, we use a glycerine filled version of the product and a specially developed throttle section with an effective damping system so that stability and display quality are considerably improved
在有壓力波動和機械振動的應用場合,我們通過填充甘油和採用帶有高效阻尼系統的節流部件,以提高壓力表的穩定性和讀數準確度。In chapter 3, the non - linear equation was linearized with the jacobi matrix, and then the linearized equation was transformed into fixed frame to analyze the stability problem with eigenvalue method ( on - ground or hovering ) or floquet theory ( forward flight ). meanwhile, the equation was perturbed by sweep frequency excitation from steady state to get transit decay of lag response which was then transformed into fixed frame with a numerical fourier coordination transformation ( fct ). the fixed frame response along with the body response was analyzed via an fft to determine modal frequencies
然後,在穩態響應的基礎上利用雅各比矩陣對非線性方程進行了線化,線化后的方程利用多槳葉坐標變換轉換到固定系下后,利用直接特徵值分析(地面、懸停)或floquet理論(前飛)對系統進行了穩定性分析;同時,對系統進行了瞬態響應分析;在系統達到穩態的基礎上進行掃頻激勵,用fft變換求得系統頻率,進而用移動矩形窗方法分析得到系統的阻尼。分享友人