激振機構 的英文怎麼說
中文拼音 [jīzhènjīgòu]
激振機構
英文
striking mechanism- 激 : Ⅰ動詞1 (水因受到阻礙或震蕩而向上涌) swash; surge; dash 2 (冷水突然刺激身體使得病) fall ill fr...
- 振 : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
- 機 : machineengine
- 構 : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
- 機構 : 1 [機械工程] (機械的內部構造或一個單元) mechanism 2 (機關; 團體) organ; organization; institu...
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When the structural vibrations are in turn excited by engine operation, a closed loop relationship exists.
當結構振動是由於發動機工作所激勵時,存在一閉合迴路關系。First, it is compressible and cushiony ; second, it can be transported to a long distance with a little power loss ; the last, its flux and velocity of flow are quite high, so the reaction time of the operators can been considerably shortened. aiming to solve the problems of vibrating machinery such as short life - span, poor cushion and high energy consumption, the writer, on the basis of characteristic of pneumatic mentioned, contrives a set of valve controlled pneumatic vibrator, which has larger output vibrating force and longer life - span with simple structure. then, it is applied to drive a vibrating screen and the result is fairly well
文中針對氣動技術本身的特性及優點,如:可壓縮,具有緩沖性;能耗損失小,便於遠距離輸送;流量大、流速高,執行元件響應速度快等,以解決振動機械在應用過程中的緩沖、能耗以及使用壽命等問題為目的,設計出一套輸出激振力大、結構簡單、使用可靠的閥控氣動激振器,並將其成功地運用到振動篩上,取得了較好的效果。Integrating tynman system with polarized system together, the laser interferometer is compatible for the surface with different reflectance. first, on the basis of synthesizing different interferometric microscope, the author introduced a kind of lase interferometer combining polarized interferometry and real - time phase detection algorithms. first, a kind of optical configuration is introduced, which is realized in the above interferometer
本文在分析了國內外不同干涉顯微系統的基礎上,根據干涉顯微測量方面的需求提出了採用偏振干涉和條紋掃描方式實時檢測波面位相的激光干涉顯微系統,提出了一種可用於表面微觀輪廓及粗糙度參數測量的光學顯微干涉系統的光路,然後介紹了條紋掃描波面位相實時檢測技術以及四步移相法,並在此基礎上完成了光學系統及相關的機械結構。Its principle is : a laminated structure ( beam or plate ) with delamination consists of undelaminated region and delaminted region which can be divided to upper and lower parts. when a low - amplitude and high - frequency excitation has the frequency close to some part ' s natural frequency, this part will resonate and certain amount of mechanical energy will convert to heat so that the delaminated region ' s temperature exceeds greatly that of the undelaminated region. therefore the delamination can be located by means of infrared thermograph
其原理是具有脫層的層合材料構件(梁或板)包含脫層區域及未脫層區域,脫層區域分為上下兩部分,若對層合材料構件施加小振幅、高頻率的振動激勵,當激勵頻率恰好接近其中一部分的固有頻率時,該部分就會產生共振響應,部分機械能將轉化為熱能,使脫層區域的溫度遠高於未脫層區域,藉助紅外熱像儀即可顯示出脫層的位置。In the end, the main content of this dissertation is addressed. in chapter 2, based on the analysis of present vibrator ' s principle and structure, two kinds of transfer functions and frequency response curves of the vibrator, driven by voltage feedback power amplifier and current feedback amplifier, are given separately. and turnover frequencies between different frequency rangs are also given
第二章分析了標準振動臺的工作原理和結構,在此基礎上,建立了標準振動臺的機械和電氣方程,給出了恆壓源和恆流源功放激勵下的振動臺傳遞函數及幅頻、相頻特性曲線,列出了不同頻段間的轉折頻率。The bouc - wen differential equation model is used in modeling the hysteretic characteristics of these components. the pem ( pseudo excitation method ) combined with the elm ( equivalent linearization method ) is used to analyze the non - linear random vibration of such structures
採用bouc - wen等提出的微分方程模型描述進入非線性構件的滯變特性,運用虛擬激勵法結合等效線性化進行結構非線性隨機振動分析。By using the model analysis method and hammer test, the model parameters and model shapes are obtained based on the force and response signal processing
本文利用試驗模態分析技術,通過沖擊錘激振試驗,對激振力信號和響應信號處理的基礎上,獲得機床結構的模態參數和振動模型。Based on the vibration test in yantan hydropower house, in this paper the author adopt les method which belong to three dimensions unsteady turbulent flow numerical analysis to simulate vibration resource characteristics of hydrogenerator set, a harmonic vibration model of powerhouse substructure is put forward to carry out firstly a precise modal analysis and dynamic response analysis for generator floor. the numerical calculation results agree well with the surveyed data in situ
本文結合巖灘水電站廠房振動的試驗研究,採用非定常湍流數值分析的大渦模擬方法進行混流機組水力振動振源模擬;提出一種水電站廠房下部結構簡諧振動模型,首次進行了發電機層樓板結構的精確模態分析和水力激振荷載下的動力響應分析,各項計算結果與實測數據吻合良好。As vital integral part of the laser gyro navigation system design, the study in the paper solved technical problems such as outcome distortion or even system failure resulted from bad dynamic performance of bracket and isolation device structure
通過本文的研究,成功解決了激光陀螺儀定位系統工作中,因支架與隔振裝置結構動態性能差而出現的結果失真及至死機的技術問題。At last, in according to the experiment results, the interpretation of the mechanism of the slip phenomenon of prepressing - contact spring - damping system was given in this dissertation. further more, the relationship among the limit frequency, the value of prepressing, excitation frequency, the amplitude of excitation and the materiel parameter was analyzed. base on the theory analysis the limit frequency formula was given, and the contact - slip condition for engineering application was concluded
最後根據理論研究與試驗分析的結果,分析預緊接觸式彈簧阻尼系統產生滑移現象的機理以及共振峰值漂移現象的理論解釋,並通過定性分析接觸分離時的頻率與預緊量、激勵頻率、激勵力幅值以及墊層的材料參數之間的關系,提出能定量描述系統出現滑移現象的極限頻率公式,總結了預緊接觸式結構始終保持接觸的條件。Some researches of laser display system based on lpt are introduced in this paper, the main contents are as follows : firstly, thoery of laser ' s producing, theory of mirror scanning, structure of the system and its working process are introduced in detail. in addition, the way realized by software is given. secondly, reseach of copper laser machine of 10w is introduced in this paper
本文詳細介紹了微機群控激光顯示系統的研製與開發,研究並實現了一種計算機通過列印口控制多臺激光器一起表演的方法,使操作更為方便;詳細闡述了激光產生的原理,振鏡掃描原理、該系統的構成以及工作方法,並研究了在軟體上的實現。Earthquake and wind ), because of the damping matrixes of the two structures " motion equations are both non - classical, the dynamic equation ca n ' t be decoupled by the traditional real - mode analysis ( the mode - superposition method ). though, in this thesis the complex - mode analysis is used to solve the stationary and non - stationary random earthquake response of structures and their analytic expressions are got. on the basis of these expressions, the optimal parameters of the two structures " isolation & seismic decrease equipment are analyzed
目前,基礎隔震結構、 「加層減震」 ( tmd減震)結構正逐步應用於工程實際,由於這兩種結構在動力荷載(如地震、風)作用下動力方程中的阻尼矩陣為非經典情形,傳統的實模態分析方法(振型分解法)不能使動力方程解耦,因此本文運用復模態分析方法求得了結構在平穩和非平穩隨機地震激勵下結構隨機地震響應的解析表達式,在此基礎上進行了基礎隔震和tmd減震裝置參數的優化分析。Using commercial fea software, computer simulation is carried on the characteristics of the resonator and the pressure sensitivity for several silicon / silicon nitride beam structures
應用有限元分析軟體,對硅梁及氮化硅梁的多種結構,進行了計算機模擬,分析了熱激勵諧振器的特性以及壓力敏感特性。Fiber optic gyroscope ( fog ) is an advanced instrument to measure the angle velocity of rotation body. it realizes the measurement of optical sagnac effect using solid all - fiber structure. it overcomes mechanical - electrical gyro and ring laser gyro ' s reduction of dynamic performance and life - span caused by the structure or the requirement of high rotation rate mass
光纖陀螺是一種先進的感測載體自轉角速度的測量儀,它利用固態的全光纖結構實現光學sagnac效應的量測,克服了機電陀螺及環形激光陀螺在構造上或因需要一定的高速度旋轉質量,導致動態性能及壽命的降低,或因諧振要求過于苛刻,使工藝復雜性及成本過高等一系列缺點,從而成為當今最具有競爭性的新型陀螺。Fiber optic gyroscope ( fog ) is an advanced instrument to measure the angle velocity of rotation body. it realizes the measurement of optical sagnac effect using solid all - fiber structure. it overcomes mechanical - electrical gyro ' s reduction of dynamic performance and life - span caused by the structure or the requirement of high rotation rate mass, and the laser gyro ' s fabrication technology complication and high cost caused by the rigid requirement of optical circuit resonation
光纖陀螺是一種先進的測量載體絕對角速度的儀表,它利用固態的全光纖結構和sagnac效應來實現測量,克服了機電陀螺在構造上需要一定的高速度旋轉質量,導致動態性能及壽命的降低,或者環形激光陀螺因諧振要求過于苛刻,使工藝復雜性及成本過高等一系列缺點,從而成為當今最具有競爭性的新型陀螺。The silicon micro - machining technology is used to fabricate the bi - layered silicon microcantilever resonators, the excitation of silicon micro - resonators is achieved using electro - thermal method via fabricating thermal excitation resistance on the silicon microcantilever beam
利用硅微機械加工工藝製作了雙層結構硅微懸臂梁諧振器,通過在硅微懸臂樑上製作的熱激勵電阻,用電熱方法對硅微諧振器實現了激振。It has been proved that some structural adjustments may somehow cut down on the surface radiation noise of the engine, thus bringing down the overall noise level. basically it means to increase the structural rigidity and the damping so as to reduce the structural surface response under the same exciting force
實踐表明,在結構上採取措施可以一定幅度地降低發動機的表面輻射噪聲,從而降低整機噪聲。控制的基本措施是增加結構剛度和阻尼,使得在同樣的激振力作用下減少結構表面響應。In a word, the paper provides an visible software operation platform for the analysis and design of globoidal indexing cam, builds primary model of the mechanism dynamics system, then provides references for the mechanism ' s deep research
最後對弧面分度凸輪機構動力學系統的主要特徵進行了分析,並建立考慮構件慣性,嚙合剛度及參數激勵的條件下的弧面分度凸輪機構的振動分析模型。The optimization design of the crank - connect rod mechanism was carried out. collocating the mass reasonably, adjusting the ratio ( ( 1 - f ) / f ) of the long axis to the short axis of the ellipse track, adjusting the direction of long axis to the direction where the internal - combustion engine was not sensitive to the stimulating force. all the above contribute to the max reduction of the vibration
對單缸內燃機的曲柄滑塊機構進行優化設計,合理的布置加配質量的大小和方向,對軌跡橢圓的長短軸比率( 1 - f ) / f進行調整,將長軸方向調整到內燃機對激振力不敏感的方向,從而使不平衡力對內燃機所產生的振動最小,以某一具體的單缸內燃機為例進行了計算分析。Study on parametric vibration of a motor - elastic linkage mechanism system
彈性連桿機構系統參激振動的耦合研究分享友人