振幅平衡 的英文怎麼說
中文拼音 [zhènfúpínghéng]
振幅平衡
英文
amplitude balance- 振 : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
- 幅 : Ⅰ名詞1. (布帛、呢絨等的寬度) width of cloth 2. (泛指寬度) width; size 3. (姓氏) a surname Ⅱ量詞(用於布帛、呢絨、圖畫等)
- 平 : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
- 衡 : Ⅰ名詞1 (秤桿) the graduated arm of a steelyard2 (稱重量的器具) weighing apparatus3 (姓氏) a...
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According to elastic mechanics theory and langrage equation, the first order shape function dynamic equation of tension weight of belt conveyor is derived, and the four series of experienced formulas is established, which provide theoretical instructions for determining the location of tension weight and the depth of concealed pit. 1fig., 2tabs., 5refs
根據彈性理論和拉格朗日方程,導出了帶式輸送機平衡錘的一階模態動力學方程,求出了4組便於估算平衡錘振幅的經驗公式,該經驗公式為平衡錘的靜平衡位置及暗井深度的確定提供了理論指導.圖1 ,表2 ,參5Abstract : the responses of shaft bow and their relationships with unbalanceresponses and mechanical or electronic run out are analyzed based on the theory of rotor dynamics. the responses of shaft bow are separated from the unbalance responses successfully by making use of vibration information under different rotor runs. an identification method of thermal bend is presented based on the 2d - holospectrum technique. experimental results show that when bow phase is steady and amplitude is variable, the tangent of initial phase point on the 2d - holospectrum is parallel, which can be effectively used for diagnosis of bent shaft
文摘:依據轉子動力學理論分析了柔性轉子彎曲響應的特徵,在此基礎上討論了它與不平衡響應及機械與電氣跳動量之間的關系,並利用轉子在不同起車情況下的振動信息,有效地分離了彎曲響應和不平衡響應,求解出彎曲量與不平衡量的比值.提出了轉子在恆定轉速下,基於二維全息譜技術的熱彎曲故障識別方法.研究結果表明,當彎曲量相位穩定而其幅值變化時,轉子響應的二維全息譜初相點的切線是相互平行的,由此可以有效地實現轉子熱彎曲故障的識別與診斷( 3 ). the flattening arithmetic of an edfa was presented based on the inter - correlative function between the gain spectrum function of the edfa and that of the reserve transmission spectrum of the lpfg. for optimal matching between the two spectra, the flattening arithmetic calculates the variation of the resonant amplitude and wavelength of the lpfg
Iii .提出了一種動態增益均衡的平坦演算法,這種演算法的本質就是利用摻鉺光纖放大器增益譜函數和新型長周期光纖光柵的透射譜反轉譜函數的相關性,給出新型長周期光纖光柵諧振峰幅度和位置的調節量,使改變后的新型長周期光纖光柵的反轉譜線能和edfa的增益輸出譜線進行最佳匹配。2. firstly this paper introduce the whole machine balancing principle and method for dual - rotor systems with little rotating speed difference firstly, then discuss key points such as picking up base signal, picking up " pai " signal, measuring rotor speed, capturing the value of wave crest and through, calculating the phase values of unbalanced weight, processing odd phases and finding each rotor ' s amplitude. on the foundation of above theories, using signal process technique and chip microprocessors technique, we developed a portable intellectual instrument, the first domestic device. which can balance dual - rotor system with little rotating speed difference quickly and accurately
本文從不解拍整機動平衡原理出發,在詳細討論基準信號、拍振信號的提取;轉速的測量;拍峰、拍谷的捕捉:不平衡相位的求法、特殊相位角的處理;內、外轉子幅值的確定等關鍵問題的基礎上,應用信號處理技術和單片機技術研製成功國內第一臺性能穩定、操作簡單、成本低廉且平衡速度快,平衡精度高的便攜式微速差雙轉子現場整機智能動平衡儀。A detailed model of non - linear parametric excitation vibration coupling the stay cable and the girder, in which the static sag as well as the geometric non - linearity are considered, is proposed in this paper. based on several numeric examples investigated by the galerkin method composed with the integration strategy, several kinds of factors effecting stay cable parameter vibration are studied. another parameter vibration model by the axial excitation is presented and the corresponding nonlinear equations are derived
本文創新地提出了斜拉橋拉索-橋面耦合參數振動模型,推導了索-橋耦合非線性參數振動方程組,聯合galerkin法及數值積分方法,對各種特性的拉索進行了數值求解,得出了影響拉索參數振動的各種因素;提出了斜拉索受軸向端激勵參數振動模型,導出了模型的非線性振動方程,使用諧波平衡法得出了產生參數振動需要的最小激勵幅值、共振時瞬態及穩態的振動幅值及索拉力的變化特性,並用數值積分方法對實際斜拉橋拉索進行了計算,分析了拉索阻尼對參數振動的影響。If balanced three - phase current flow through these three - phase distributed windings, a rotating magnetic field of constant amplitude and speed will be produced in the air gap and will induce current in the rotor circuit to produce torque
如果平衡型三相電流流經這三相分散式繞組,將在氣隙中產生振幅及速度穩定的旋轉磁場,並會誘發電流在轉子迴路產生轉矩。In the control loop, the phase - lock loop was used to trace the operating frequency, the vibrating - amplitude loop was used to control the driving influence, the compensate control loop was used to adjust balance, and the measuring loop was used to measure. with the simulation charts of various subsystems, the system parameters were designed
在控制迴路中,利用鎖相迴路來追蹤工作頻率,用振幅控制迴路來控制驅動力,用補償控制迴路調節平衡,用感測迴路進行感測,並且利用各分系統的模擬圖設計出系統參數。Under the small amplitude condition, the system becomes weak nonlinear system, it can be solved by harmonic balance method, the result show that the frequency is in respect to the amplitude of vibration and the value of prepressing
在小振幅條件下,系統是弱非線性,可以利用諧波平衡法對系統進行定量分析,得出了系統頻率與振幅、預緊量的關系。This article emphatically discussed and analyzed following points : load command feed forward function can improve the rapid respond character of steam turbine generator ; lead of load command have advance control function on boiler main control and can highly improve the stability of main steam pressure ; the use of predict control and state space variable function can improve the quality of boiler steam temperature control effectively, control the steam temperature in the defined range and increase the boiler and turbine life and efficiency even if working state changed in a big range ; linear compensation can restrain the vibration of generator load in the condition of big loa d change
本文重點討論、分析提出負荷指令前饋作用可以提高汽輪發電機快速響應特性;負荷指令的導前功能對鍋爐主控有超前控製作用,能顯著提高主蒸汽壓力的穩定性;採用預測及狀態空間法能有效改進鍋爐蒸汽溫度控製品質,在大幅度工況變化下仍有效控制蒸汽溫度在額定范圍內,提高鍋爐、汽輪機壽命及其效率;汽輪發電機組的快速響應性與汽輪發電機組負荷振蕩問題間的平衡關系,採用線性補償可以有效抑制在負荷變化梯度較大情況下發電機負荷振蕩問題。Cross - correlation method used in get based frequency part and realized balancing function. gao huawei ( mechanical design and theory ) directed by vice - prof
採用互相關原理提取振動信號基頻分量,計算振幅和相位,完成了動平衡功能。Vibration equation of two - plane balancing rotor is derived. non - linear error of bearing support of hard bearing balancing machine is analysed and relation curve is presented
推導了雙面平衡轉子的振動方程,分析了硬支承動平衡機的支架非線性誤差對振動幅值與相位的影響,並繪制了關系曲線。Amplitude balance controller
振幅平衡控制裝置But there are some defaults in conventional balance values, such as low - frequency vibration, excessive high controlling - pressure, disadvantage in stability and safety, complicated construct etc, the key matters are that the valves neither work solely nor run synchronously in two cylinders
但傳統的平衡閥存在著不少缺點,如低頻振動、控制壓力偏高、工作平穩性和安全性較差、結構較復雜等,關鍵問題是在雙杠變幅等迴路中,既不能單獨應用,又不能實現雙缸同步運行。This machine consists of bin, vibration chamber, coupling and motor. the vibration chamber is made up of eccentric wheel. rubber soft piece, main shaft and bearing. the adjustable eccentric hammering is transmitted to the centerline of main shaft by motor drive, and produce centrifugal force at unsteady state so as to change the strength of material and form vortex in the sieve. weghted regulator and amplitude can be adjusted as per different material and sieve mesh
本機由料斗、振蕩室、聯軸器、電機組成,振蕩電腦內由偏心輪、橡膠軟體、主軸、軸承組成,可調節的偏心重錘經馬達驅動傳到主軸中心線,在不平衡狀態下,產生離心力,使物料強度改變在篩內形成漩渦,重錘調節器和振幅大小可根據不同物料和篩網進行調節。分享友人