非主動軸 的英文怎麼說
中文拼音 [fēizhǔdòngzhóu]
非主動軸
英文
non leading axle-
As to the high speed of electric spindle system, the angle - contact bearings are usually applied to supporting the shafts. because the supporting stiffness of rolling bearing is non - linear, especially under the circumstances of high speed and ultrahigh speed, the internal working status is so complicated that it is not regarded as routine linear support and ordinary non - linear support. centrifugal effect of the rolling bearing increase the factors of influencing the supporting stiffness
高速電主軸系統的轉速很高,通常都採用角接觸球軸承作為支承,由於滾動軸承的支承剛度呈非線性形式,特別在高速和超高速情況下,滾動軸承內部的動力學狀態十分復雜,由於滾動體運動所產生的離心力作用,使得影響其支承剛度的因素增多,不能作為常規的線性支承和普通的非線性支承處理。Second, adopting the linearity of oil film of the guide bearings, the transient response of the shafts is computed and analysis by integrating with willson method. because of the uncertain position of the shafts in the guide bearing, the model and solution method of nonlinear transient response of the shafts is discussed
然後結合willson數值積分法,採用線性化油膜力,對機組軸系的線性瞬態響應進行了計算分析,根據機組軸系在瞬態響應中運動的不確定性,給出了由導軸承油膜力非線性所引起的主軸系統的非線性瞬態響應的建模及求解方法。( 2 ) the causation that the caustic phenomena of electromagnetic wave propagation in two - dimension concave reflectors occurs and the types of singularities in caustic fields are investigated, and the conclusion that there are two types of singularities ( fold and cusp ) in caustic fields in two - dimension concave reflectors is obtained ; by symplectic geometrical method, formulations of computing wave fields in and far away from caustic fields in two - dimension concave reflectors are deduced, and the results are plotted in pictures. ( 3 ) the cause of the caustic phenomena of electromagnetic wave propagation in three - dimension concave reflectors and the types of singularities in caustic fields is discussed, and the conclusion that there are three main types of singularities ( fold, cusp and swallowtail ) in caustic fields in three - dimension concave reflectors is obtained ; by symplectic geometrical method, the formulae of computing wave fields in and far away from caustic fields in three - dimension concave reflectors are deduced. particularly, the wave fields in ellipsoid concave reflector are computed, and the results displayed in special sections are given
論文主要包括三個方面: ( 1 )分析了凹面反射的焦散現象,給出了不同凹面反射的焦散圖; ( 2 )分析了二維凹面反射波動場焦散現象產生的原因及焦散區奇性的種類,得出了二維凹面反射波動場焦散區奇性主要有折疊( fold )和尖點( cusp )兩種的結論,利用辛幾何方法構造了圓錐曲面反射波動場非焦散區和焦散區的通用計算公式,並給出了圓柱面、橢圓柱面及雙曲柱面反射的計算結果; ( 3 )分析了三維凹面反射波動場焦散現象產生的原因及焦散區奇性的種類,得出了三維凹面反射波動場焦散區奇性主要有折疊( fom 、尖點kusp和燕尾k )三種的結論,提出了利用辛幾何方法計算三維凹面反射波動場非焦散區和焦散區的計算方法,並給出了三軸不等橢球體凹面反射波動場的計算結果剖面圖。Because most of the components in ambs are of the nonlinear characteristics, the dynamics in ambs is very complicated. the electromagnetic force is a nonlinear function with respect to the displacement of the rotor and the controlling electric current
主動式電磁軸承( ambs )被廣泛地應用於工業和航空航天工程中,但由於電磁控制力是被控對象的位移和控制電流的非線性函數,因而構成了一個非線性機電系統。The applications and developments of the rotor - ambs system in the engineering are showed in recent years. in particularly, we present the results for the studies of nonlinear dynamics in the rotor - ambs system. we also point out the trend of the rotor - ambs system in future and the necessity of the study on the nonlinear dynamics of the rotor - ambs system
本文的研究內容和所獲得的主要結果有以下幾個方面: ( 1 )綜述了磁懸浮研究的歷史,介紹了主動式電磁軸承-轉子系統在工程實際中的應用,主動式電磁軸承的研究現狀,總結了近十年來國內外對電磁軸承-轉子系統非線性動力學的研究進展和取得的成果,指出了電磁軸承發展的趨勢及進行非線性動力學研究的必要性。Based on this, a case of typical external self - focusing effect, hot - image, has been analytically and experimentally investigated in this dissertation. the principal work is as follows. ( 1 ) intense laser beam propagation equation, the paraxial wave equation, has been derived
論文的主要內容為如下幾部分: ( 1 )從電磁波的基本傳播方程出發,推導了描述強激光在透明克爾介質中傳輸行為的非線性近軸波動方程。3. the solution for the distribution of potential internal the dielectric ellipsoid has been obtained by means of ellipsoidal coordinates, and has obtainted the expression of the polarization field strength in the dielectric ellipsoid, calculated the included angle value of polarization vector and the external field vector, making programe to compute to get the relation shetch between the included angle value of polarization vector and the external field vector and we have discussed the result and hold that the direction of polarization field strength with that of the external field don ’ t always strict antiparallel
二、討論了帶電粒子在均勻電磁場中的相對論運動規律。三、討論了在均勻電場中電介質橢球體的極化規律。證明了電介質橢球內的極化場強方向與外電場方向並非嚴格相反,只有當外電場與電介質橢球的某一主軸平行或者當橢球體三半軸的大小都相等時,極化場強方向與外電場方向才嚴格相反。First, the dynamic stability of braid composite cylindrical shells with the influences of some main factors is introduced. the general governing equations for the nonlinear dynamic stability is obtained. by the hamilton principle. the creep buckling analysis of braid composite cylindrical shells under axial compression and the dynamic stability under nonconservation force are discussed as emphases. in creep buckling question, by means of theoretical analysis, the instaneous critical load and durable critical load of viscoelastic braid composite cylindrical shell under axial compression are obtained and the numerical example is given
首先介紹了編織復合材料圓柱殼在幾種主要因素影響下的動力穩定性問題,用hamilton原理建立非線性動力穩定性問題的一般性基本方程。然後重點討論了編織復合材料圓柱殼軸壓下的蠕變屈曲問題及非保守力作用下的屈曲問題。對蠕變屈曲問題,通過理論分析來得到了編織復合材料圓柱殼的瞬時彈性臨界載荷和持久臨界載荷,給出了具體的算例。In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology
為使二維振動傳感器在兩主軸方向的靈敏度大致相同,敏感元件採用高度對稱的四梁結構,其中每個軸向上均採用帶折疊梁的雙側叉指電容結構,採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件,具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算,並利用有限元法進行了模擬分析,根據模擬結果得出了優化參數;在確定敏感結構的基礎上,研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析,利用差動測量技術得到由振動引起的微小電容變化量,經c - v介面電路進行相位調制處理,然後通過解調輸出與加速度成正比的電壓信號。As the main products series of non - leak pumps, the market of magnetic force pump is very large, centuries - old history of magnet utilizing and abundant thulium contain establish stable bases of thulium magnet couplings " exploitation and applying of magnetic force pump driving technology
磁力泵作為無泄漏泵的主要產品系列,市場前景非常廣闊,我國具有悠久的永磁利用歷史和巨大的稀土儲藏量,為稀土永磁聯軸器的開發和在磁力泵傳動技術中的應用奠定了堅實的基礎。Then came the brilliant performance of talented disciples that was followed by graceful sisters in celestial clothes, dancing as blithely as beauties in heaven while strains of master singing merrily resounded in the air
表演節目分兩個階段舉行,才藝表演內容非常精采豐富,而sm天衣秀是晚會活動的主軸,在觀眾熱烈的期盼下,伴著師父優美的歌聲開場了。The algorithm, basing on convolution filtering technique and the fringes " gray values max - min distribution, can automatically and accurately carry out space frequency spectra shifting without spectra analysis and spectrogram in the technique of phase method of projected grating for 3 - d object shapes measurement. the new algorithm makes image processing much caster and the technique of object shapes measurement more automated. the phase error caused by filtering and the crossed - optical - axes geometry setup is also discussed
本文採用投影光棚相位法和數字卷積濾波技術:根據柵線的條紋灰度值分佈具有極大極小分佈的特性,提出卷積濾波形貌光學自動檢測的圖像處理方法,有效地實現了頻譜自動移位,從而進一步提高了圖像處理的速度和形貌測量技術的自動化程度;同時對採用兩光學主軸相交,且非遠心投影系統所產生的誤差進行了分析,並提出了修正方法。The application background of thrust vectoring technology on aircraft and its advantages are analyzed. the main characteristics of some type of vectoring nozzles are discussed, the expression of thrust vectoring force and moment are set up. then, the nonlinear motion equations of aircraft with three axes of thrust vectoring are deduced
本文主要針對推力矢量飛機非線性飛行控制的理論和應用問題進行了一定的探索和研究,進行的主要工作有: 1 、研究了推力矢量在飛機上的應用背景和收益,分析了現有推力矢量噴管的主要形式和特點,給出了推力矢量力、力矩的數學模型,並在此基礎上推導了帶三軸推力矢量飛機的非線性運動方程,為控制律的設計奠定基礎。On the base of the character of hemisphere continuously vibrating, the method of actuation and measuring, the asymmetry compensating process and the measuring limit were studied, the control loop and the parameter design were introduced, which will be prepared for the future circuit design and the automobile security application
本論文主要是在半球連續振動特性的基礎上,對陀螺儀的驅動及感測方法、非軸對稱的補償方法及感測極限進行研究,並詳細介紹其控制迴路與其參數的設計,為以後電路設計和面向汽車安全的應用打下了堅實的理論基礎。The method samples the signals of spindle vibration displacement and the spindle electrical machinery power signal using the synchronized sampling technique. as the two kinds of signals are all non - contact pick - ups, this method is very suitable for the machining centre
對加工中心銑刀破損監測,提出了利用主軸振動位移信號和機床主電機功率信號進行監測的方法,由於採用非接觸測量,非常適合於加工中心等柔性加工設備。Combined with the actual developing situation, a new design is originated, that is, non - contact torque measurement through grating sensor. this paper has also presented the study of whole measurement system. according to actual experimental condition, a new torque measurement system of water turbine ' s principle axis is designed and tapped
文章結合扭矩測量的國內外發展現狀和實際,根據國家自然科學基金資助項目「水輪機主軸機械繫統動態特性研究」提出的方案,採用光柵式傳感器進行扭矩的非接觸式測量,並對其整個測量系統進行了研究。Results show that profit gained by incorporating the time delay between axles in the control laws designed with track spectrum information decreases rapidly with the enhancement of running speed, comparatively including track spectrum is more important in control law design of railway vehicle active suspension
分析表明,依據軌道不平順譜以及輪軸時延能實現最佳的控制性能;但隨著速度的提高,其相對于僅依靠軌道譜信息而設計最優控制規律的收益大幅下降;相對而言,鐵道車輛依據軌道譜信息設計主動懸掛控制規律非常重要。Objectives : the purposes of the present study are as follows : ( 1 ) anatomical study inclulding observation and measurement on arterial, especially venous system of flap was performed to attempt to illuminate the regular patterns of the distribution of the arteries, veins and their branches in the axial vascular skin flap. ( 2 ) fathoming the origination, distribution, drainage scope and communicating path of deep and superficial veins or accompanied and unaccompanied veins. ( 3 ) elucidating the positions, shape and functions of venous valves in deep and superficial venous stem and its communicating branches, observing their affects on the venous blood circulation
目的本課題的研究目的包括以下6項內容: ( 1 )對皮瓣的動、靜脈系統,特別是靜脈系統進行解剖學研究,探索皮瓣內軸心動、靜脈走行及分支分佈規律; ( 2 )闡明皮瓣內深、淺靜脈系或伴行靜脈與非伴行靜脈的起始、走行、引流范圍及交通途徑; ( 3 )觀測皮瓣深、淺靜脈干及其交通支內靜脈瓣部位、形態、功能及對靜脈間血液流通的影響; ( 4 )明確皮瓣的動、靜脈伴行特點與靜脈迴流規律; ( 5 )確定皮瓣靜脈迴流的主渠道; ( 6 )為皮瓣游離移植吻合靜脈的選擇,提供解剖學依據,並對跨區供血皮瓣靜脈迴流與交通、非生理性皮瓣的血液循環進行探索。Abstract : the vibrating equations on automobile as a whole, which are no - linear ordinary differential, are obtained in the inertial principal axis system
文摘:在慣性主軸坐標系下建立了汽車整車的振動方程,它是非線性常微分方程。It was shown that the measured active soil pressures were smaller than the theoretical values and diminished with time, the measured pore water pressure decreased with the time and increased with the depth of soil, the combinative effects of cap girder and supporting structure were obvious which diminished the displacement of foundation pits, and the measured axial force of the anchor and interior steel beam were far less than the design force, indicating that the design safety factor of the foundation pit was too large to be economical
基坑工程實行信息化施工並獲得了豐富的監測數據,通過對數據分析結果表明:實測主動土壓力小於計算主動土壓力,實測主動土壓力隨時間延長變小:土體中孔隙水壓力隨時間增長而減小,孔隙水壓力隨深度增加而呈非線性增加;基坑冠梁協同作用明顯,冠梁減小了基坑變形;錨索軸力比較穩定,鋼撐軸力變化相對較大,且二者軸力仍富餘較大,該設計比較安全。分享友人