轉動穩定 的英文怎麼說
中文拼音 [zhuǎndòngwěndìng]
轉動穩定
英文
slow releasing relay- 轉 : 轉構詞成分。
- 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...
- 轉動 : 轉動turn; run; twirl; roll; revolve; rotate
- 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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The shoulders have rolled to their maximum and are stationary so that adduction of the upper right arm can begin
肩部的轉動達到最大並保持穩定以便於右大臂開始內收。This paper mainly discusses about the acceleration response of the artillery that is caused by the plainness causes under traveling condition. and according to the system aspect of the matching between the tractor and artillery which composes the artillery train, it also presents the characteristics of the steering, braking stability and manipulating stability which affects the artillery moving maneuverability
本文在火炮設計領域首次對火炮牽引列車系統進行動力學分析,重點研究了火炮牽引行駛狀態下的路面不平度對火炮的加速度響應,並從牽引車與火炮匹配組成火炮列車的系統角度,研究了影響火炮行駛機動性的轉彎特性、制動穩定性和操縱穩定性。At last, by making comparison of the simulation results between uninstalled abs and installed abs, the biggish bestead of abs to braking ability and direction stability of vehicles was certified. it proffers a theoretical thereunder to in general use abs in vehicles
最後,本文對轉彎制動時未安裝abs和安裝abs兩種情況的模擬結果作了比較,證明了abs對提高車輛的制動性和操縱穩定性有很大幫助,為abs在汽車上的普遍安裝提供了理論依據。Regaining new stable equilibrium he rose uninjured though concussed by the impact, raised the latch of the area door by the exertion of force at its freely moving flange and by leverage of the first kind applied at its fulcrum gained retarded access to the kitchen through the subadjacent scullery, ignited a lucifer match by friction, set free inflammable coal gas by turning on the ventcock, lit a high flame which, by regulating, he reduced to quiescent candescence and lit finally a portable candle
他重新獲得了穩定均衡,盡管因猛烈撞擊而受震蕩,卻沒有負外傷就站了起來。他使勁扳院門搭扣的那個活動金屬片,憑著加在這一支軸上的初級杠桿的作用,把搭扣摘開,穿過緊挨著廚房地下的碗碟洗滌槽,繞道走進廚房。他擦著了一根安全火柴,轉動煤氣開關,放出可燃性的煤氣。The paper designed aerodynamic control system of pith and yaw channels and roll angle stabilization system, by using unsteady - state error follow - up control theory and state observation station theory in modern control theory
本文使用現代控制理論中的無靜差跟蹤控制系統理論與狀態觀測器理論,設計了俯仰、偏航兩個通道的氣動力控制系統和滾轉角穩定系統。In order to investigate the unsteady flow frequency domain performances of an axial flow compressor at different mass flow, rotating speed and blade row spacing, plus inlet flow distortion, and considering aerodynamic characteristics and stability of the compressor, the low speed research compressor ( lsc ) at college of energy and power in nuaa is used to carry out the experiment studies. a large amount of test data has been gained through dynamic pressure transducers embedded in the stator blades at the tip, middle and hub section, then fast fourier transform algorithm ( fft ) is applied to calculate the frequency data
為探討軸流壓氣機在工作流量、工作轉速及動?靜葉排軸向間距變化時的葉片排流場非定常頻譜特性變化規律,並耦合進氣畸變的影響,同時與壓氣機氣動性能和氣動穩定性相關聯,作者利用南京航空航天大學能源與動力學院的低速大尺寸軸流壓氣機( lsc )試驗器,採取在靜子葉片表面埋入動態壓力傳感器的實驗方法,對葉尖、葉中和葉根三個截面的動態壓力進行了測量,獲得了大量的可靠的實驗數據。In airborne synthetic aperture radar ( sar ), antenna stabilization platform is used to isolate antenna pointing, which is stabilized through controlling the platform axis ' rotation, from the vehicle ' s varying attitude and dynamical vibration
摘要機載合成孔徑雷達中,天線穩定平臺用於隔離載機的姿態變化和機械振動對天線指向的影響,並通過伺服系統控制平臺支承軸的轉動穩定波束指向。The experiment and simulation results show that the stabilization error peak is caused by the step friction torque when the disturbance changes its direction
實驗和模擬顯示轉臺穩定誤差在擾動換向時的「尖峰」由轉臺轉軸的靜摩擦階躍干擾力矩產生。Dynamics simulation on closed - loop control of four - wheel steering car virtual model
矩陣攝動法在四輪轉向汽車運動穩定性分析中的應用The current loop technique improves the stabilization bed ability to reduce base disturbance direct drive constraint couple and enhances the torque sturdiness. the stabilization error is reduced with current loop technique under same base angular disturbance
在轉臺穩定系統中使用電流環技術,提高了轉臺對直接帶動約束耦合的抑制能力,提高了系統的力矩剛度,在同等的擾動條件下,降低了穩定誤差。Stability of periodic motion and experimental research on the rotor - bearing system with rub - impact and crack
碰摩裂紋轉子軸承系統的周期運動穩定性及實驗研究Dynamics of rotor - bearing system with coupling faults of pedestal looseness and rub - impact
松動碰摩轉子軸承系統周期運動穩定性研究After introduced its task and construct of the controller of the homing gliding missile, the longitudinal and lateral motion equations are provided. a continuous fuzzy - pid control system combined the advantages of fuzzy control and pid control is presented, and could be guaranteed the stability of the system using popov stability criterion. the results of simulation show that the fuzzy - pid control is able to provide a better relative stability and robustness, also have better dynamic and static characteristics than the pure pid control
將模糊控制和pid控制相結合,研究了一種基於模糊pid的連續控制器,利用波波夫穩定判據判定該控制器是漸進穩定的,並將其應用於制導滑翔彈俯仰角、偏航角、滾轉角穩定迴路中,設計模擬結果表明,該種連續控制器可使系統獲得很好的穩定性和魯棒性,動、靜態性能比單純pid控制都有較大提高。In the paper, active control to rotor vibration with sma is studied : 1 ) the material performance of sma, especially the coupled relation of strain, stress and temperature, is studied in nonlinear coupled thermoelasticity theory and the linear result is modified ; 2 ) the nonlinear dynamic behavior of rotor system with sma bearing is studied in the nonlinear theory and the dynamic stability theory and the deference of the soft / hard nonlinear system is pointed out
1 )運用非線性熱彈性耦合理論研究記憶合金材料的力學性能,特別是應力、應變和溫度三者之間的耦合關系,改進了原有的線性結果。 2 )運用非線性理論和運動穩定性理論研究帶有記憶合金支承的轉子系統在非定常狀態的非線性動力學行為,指出了軟、硬非線性系統的區別。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。Criteria for the nonlinear dynamic stability of rotative vehicles are derived by the liapunov ' s first method and the routh - hurwitz stability criterion, this criteria can be applied to the dynamic stability analysis of controlled rotative missiles, projectiles and rockets
應用李亞普諾夫第一近似理論和勞斯霍爾維茨方法導出了旋轉飛行器的非線性運動穩定性判據,這個判據可應用於有控旋轉導彈的運動穩定性分析,也可應用到炮彈和火箭彈上。The antenna driver is the key part of the secondary planet system. in this paper full - digital ac - servo control system based on dsp ( digital signal processor ) is adopted to control antenna rotating, which improves greatly system reliabity and stability
本文就是為解決某型號衛星天線的穩定旋轉而專門設計的以電機專用控制晶元dsp為控制核心的全數字化交流伺服驅動系統,從而極大提高整個系統轉速穩定度和可靠性。The threshold speed and the typical characteristics of the oil whip of the system are simulated under the nonlinear model of oil film force, and the state of motion and type of the bifurcation are analyzed by floquet multiplicators which is computed by the shooting method. secondly, the the nonlinear dynamical model of the low - pressure rotor - bearing system by column bearing with reduced dimensions is presented. the numerical results show the rule of the amplitude with the eccentricity of rotor, the length - to - diameter ratio, oil viscosity and the clearance - to - radius ratio of the bearing under the definite speed
其次,對降維后的低壓轉子?軸承系統的非線性動力學方程,計算了圓柱瓦軸承支撐的轉子系統的振動穩定性在固定轉速下隨偏心距、軸承長徑比、潤滑油動力粘度和軸承間隙比的變化規律,並分析了轉子前軸承軸頸的失穩轉速與轉子偏心距、軸承長徑比、潤滑油動力粘度和軸承間隙比之間的關系,同時利用floquet理論分析其運動狀態和分岔類型。Abstract : concerning the models for discribing aerodynamic stability of axial flow compressor, the original model is one - dimensional, and it is reasonable for the onset of surge only. for the onset of rotating stall, there are just some two - dimensional models at published literatures. a three - dimensional aerodynamic of compressor has been presented in this paper. an aerodynamic stability model concerning radial disturbance of compressor is presented. the calculated results show that the occurrence of radial disturbance is related to the axial velocity disturbance, which has important effect on aerodynamic stability of compressor. the position of onset of stall, in blade tip or hub, is dependent upon the characteristics of blade element. the comparisons of calculated results predicted by 2d and 3d aerodynamic stability model have also been made in this paper
文摘:軸流壓氣機的氣動穩定性模型,最初為一維模型,僅適用於描述喘振發作.對于旋轉失速發作,在公開文獻中有一些二維模型發表.本文提出了一類考慮壓氣機徑向擾動對失速影響的新的氣動穩定性模型.計算結果表明壓氣機的軸向擾動往往隨著徑向擾動的產生,徑向擾動的強度影響壓氣機的氣動穩定性,在葉尖還是葉根首先產生失速與壓氣機基元葉柵特性密切相關.本文對軸流壓氣機二維和三維氣動穩定性模型的計算結果進行了對比分析Concerning the models for discribing aerodynamic stability of axial flow compressor, the original model is one - dimensional, and it is reasonable for the onset of surge only. for the onset of rotating stall, there are just some two - dimensional models at published literatures. a three - dimensional aerodynamic of compressor has been presented in this paper. an aerodynamic stability model concerning radial disturbance of compressor is presented. the calculated results show that the occurrence of radial disturbance is related to the axial velocity disturbance, which has important effect on aerodynamic stability of compressor. the position of onset of stall, in blade tip or hub, is dependent upon the characteristics of blade element. the comparisons of calculated results predicted by 2d and 3d aerodynamic stability model have also been made in this paper
軸流壓氣機的氣動穩定性模型,最初為一維模型,僅適用於描述喘振發作.對于旋轉失速發作,在公開文獻中有一些二維模型發表.本文提出了一類考慮壓氣機徑向擾動對失速影響的新的氣動穩定性模型.計算結果表明壓氣機的軸向擾動往往隨著徑向擾動的產生,徑向擾動的強度影響壓氣機的氣動穩定性,在葉尖還是葉根首先產生失速與壓氣機基元葉柵特性密切相關.本文對軸流壓氣機二維和三維氣動穩定性模型的計算結果進行了對比分析分享友人