連續振動系統 的英文怎麼說
中文拼音 [liánxùzhèndòngxìtǒng]
連續振動系統
英文
distributed-parameter system- 連 : Ⅰ動詞1 (連接) link; join; connect 2 (連累) involve (in trouble); implicate 3 [方言] (縫) ...
- 續 : Ⅰ形容詞(連接不斷) continuous; successive Ⅱ動詞1 (接在原有的后頭) continue; extend; join 2 (...
- 振 : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 連續 : continuation; succession; series; continuity; continuing; running; continuous; successive; contin...
- 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
- 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
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This paper makes a science analysis to power system " s harmonics and harmonic oscillation in partial power net, develop the analysis software of harmonic oscillation characteristic. make use of this software can obtain the harmonic oscillation characteristic curve in a row frequency range, can discover accurately oscillation, can make an in - depth analysis and statistics and renew the realistic curve of voltage or current on the basis of the measured - data
本文通過對電力系統諧波及局域電網諧波諧振現象的理論分析,設計、開發了局域電網諧波諧振特性分析軟體,利用該軟體可以獲取連續頻域內的諧波諧振特性曲線,發現準諧振區域,而且還能根據實際測試數據,正確統計分析出所要求的參數,同時能夠恢復電網實際的電壓、電流波形,並能根據國家標準自動生成分析報告。The transverse stiffness limitation index ? the permissible ultimate width / span ratio b / l of the continuous steel truss girder of railway bridge is analyzed in accordance with the analytic theories of random vibration of train ? bridge time - variation system and the required derailment coefficients and comfort of drivers and passengers in train running through the bridge. the limitation index in question may be referred to in the design of the continuous steel truss girders of railway bridges
基於列車-橋梁時變系統隨機振動分析理論,按照橋上列車脫軌安全系數和司機、旅客舒適度的要求,對鐵路連續鋼桁梁橋橫向剛度限值-橋梁容許極限寬跨比b / l進行了分析,對鐵路連續鋼桁梁橋的設計具有一定的參考作用。Coordinate transformation, matrix, vectors, newton ' s law, conservation theorems, simple harmonic oscillator, non - linear oscillations, gravitation, euler ' s equation when auxiliany condition are imposed, the delta notation, lagrangian and hamilitonian dynamics, central - force motion, dynamics of a system o f particles, motion of noninertial reference frame, dynamics of rigid body, coupled oscillations, orthogonality of the eigenvectors, continuous system
座標變換、矩陣、向量、牛頓定律、守恆定律、簡諧振動、非線性振動、引力、尤拉式方程式及附加條件、符號、拉格蘭及漢米爾頓力學、中心運動、多粒子系統動力學、非慣性參考座標運動、剛體動力學、耦會振動、本微向量正交性、連續系統。So the sliding mode variable structure controller was discussed, which has strong robustness against the disturbance, and the chattering phenomenon inherited from vsc was taken advantage to regular valve vibration for the purpose of avoiding coagulation on it, while precision of level control can be almost unaffected. but for the reason of control limitation, especially the acceleration insufficiency, the continuous time quasi - sliding mode vsc for one class of controllable system, as the substitution of ideal sliding mode control system, which was impossible to implemented, was researched, including the three essentials, reaching condition in particular, and the chattering ex - pression was given. furthermore, the effect to quasi - sliding mode motion and chatter - ing expression by extent disturbance was also analyzed
由於控制量相對受限制,並且主要體現在控制量加速不足方面,無法實現理想的滑模變結構控制,因此本文研究了一類能控系統在這種情況下的連續系統準滑模變結構控制,包括變結構控制三要素,尤其是到達條件;並且針對塞棒掛渣問題,給出了該情況下抖振的表達式;魯棒性方面,分析了外界擾動對準滑模運動的影響,並且給出了外擾作用下抖振的表達式。The dissertation refers to comparatively full literatures in the field of vsc, and the development history and characteristics of vsc are summarized, and the elementary concepts, elementary definitions, elementary properties, elementary principles and design methods are particularly introduced, and the causes of the chattering phenomenon are systematically analysed, and the study status of the chattering phenomenon and the main methods to eliminate the chattering are elaborated. for the deficiencies of traditionary methods, three improved methods are developed, which are improved exponent reaching law solution, variable boundary layer solution and the solution by adding an auxiliary continuous control term. for uncertain linear systems, an adaptive fuzzy integral variable structure control stategy ( afivsc ) is put forward to eliminate the chattering around the sliding plane, which introduces fuzzy logic to soften the non - linear discontinuous sig nal in the control variable and utilizes adaptive theory to adjust output membership function according to how much the uncertainty of the system is
比較全面地查閱了關于變結構控制理論的文獻,總結了滑模變結構控制的發展歷史和特點,詳細介紹了變結構控制的基本概念、基本定義、基本性質、基本原理以及設計方法;系統分析了變結構控制系統抖振產生的機理,並闡述了國內外目前對抖振問題的研究現狀以及消除抖振的主要方法;針對傳統抑制和消除抖振方法的不足,改進了傳統方法,得到了三種新的消除抖振的方法? ?即改進的指數趨近律法、可變邊界層法和附加連續項法;針對不確定性線性系統,在變結構控制策略中引入模糊邏輯和自適應理論來消除滑動平面上的抖振,提出了一種自適應模糊積分變結構控制方案( afivsc ) ,利用模糊邏輯來柔化控制量中非線性不連續部分,採用自適應理論,根據系統不確定性大小在線調整模糊輸出量的隸屬函數,另外,鑒于模糊控制本質上是有靜差的,所以本文選擇了帶積分項的切換函數,由於積分項的存在使系統較正為無靜差系統。In addition, taking one engine mounts design into account, the paper investigates and compares some types of design schemes and shows that semi - active continuous variable damper is feasible and applicable. the numerical simulation results further proves that the continuous variable sky - hook damper is able to effectively isolate the engine vibration, so the damper has promising value in the engineering field
另外,以某發動機懸置的設計為背景,比較了各種設計方法,論證出半主動連續可控阻尼懸置為最佳的方案,並用簡化的懸置模型進行了數值模擬分析,通過得到的振動性能的比較,表明按天棚阻尼設計的連續性半主動懸置系統,能夠有效地隔離發動機振動,有很好的工程應用前景。Stochastic resonance ( sr ) is a counterintuitive phenomenon of nonlinear dynamic systems wherein the noise ( stochastic force ) plays a constructive role. this phenomenon has then attracted much attention in the past two decades, and it has been observed that sr can occur in a wide variety of systems
隨機共振現象是非線性動力學系統中的一種反直觀的現象,當一個非線性動力學系統受到一個隨機力(噪聲)的激勵,也就是系統輸入具有一個連續的頻譜,系統和輸入的隨機激勵之間會產生一種協同作用,使得系統輸出的性能有所提高,這一現象被稱為隨機共振。The on / off control performances of the skyhook damper in semi - active suspension system, the occur of chatter and its avoiding are analysis. the continuous damping rules are derived according to the feature of damping curve given by the controller in active control system
首先對主動懸掛系統阻尼控制中的天棚阻尼原理在半主動懸掛中的應用進行了研究,分析了其開關控制特性、顫振及其避免方法;根據主動懸掛控制信號的特點導出了連續阻尼控制規律。Then the author gives emphasis to the analysis of the elastic arm in microdrive, builds the simplified continuous model, analyzes the model with vibration theory. the natural frequencies and modal shapes are deduced. the author builds discretized models of a few structures of the elastic arm, simulates the influences of the structure with ansys software
接下來,重點對微硬盤磁頭彈性臂進行了分析,建立了簡化的連續系統模型,並用振動理論來分析該系統,求取其固有頻率和模態振型,並對微硬盤磁頭彈性臂的幾種結構進行了離散化建模,分析了這些結構對整體特性的影響,並用ansys有限元軟體進行了模擬。This research is aim at putting forwarding laser wavelength scanning interference testing method. processing and analyzing instantly - read interference pattern corresponding with continuous varying wavelength, the method overcomes the following disadvantage. for example, the longer referenced and measuring optical circuit in big - scale high - accuracy asphere testing, and the sensitive interferential system to the disturb, such as the oscillation of worklable, dithering of air, and so on
研究的目的主要是針對大型高精度非球面面形檢測中干涉儀的參考光路和測量光路較長,干涉系統對工作臺振動和空氣抖動等外界干擾因素的影響敏感,干涉圖不穩定等問題,提出了激光波長掃描干涉測試方法,該方法通過對瞬間讀取的、與連續變化波長對應的干涉圖的處理和分析,克服了上述缺點,為大型高精度非球面的檢測提供了一種適用的方法。The paper studies mainly a new kind of measure method of aspheric surface - laser wavelength - scanning interference testing. this research is aimed at putting forwarding laser wavelength scanning interference testing method. processing and analyzing instantly - read interference pattern corresponding with continuous varying wavelength, the method overcomes the following disadvantage : the longer referenced and measuring optical circuit in big - scale high - accuracy asphere testing and the sensitive interferential system to the disturb, such as the oscillation of worktable, dithering of air, and so on
研究的主要目的是針對在大型高精度非球面面形檢測中干涉儀的參考光路和測量光路較長,干涉系統對工作臺振動和空氣抖動等外界干擾因素的影響敏感,干涉圖不穩定等問題,提出了激光波長掃描干涉測試方法,該方法通過對瞬間讀取的、與連續變化波長對應的干涉圖的處理和分析,克服了上述缺點,為大型高精度非球面的檢測提供了一種適用的方法。Linear viscoelasticity stability analysis of bluff rock slope
隨機連續桿縱向振動系統的頻率可靠性分析On the assumption that the framed tower can be represented by multi - segment cantilever carrying a spring support, a mathematical expression to determine the natural frequencies of a framed tower is obtained by using the equation of the transverse vibration for the analytical model of elastic continuous body and the method of numerical solution
摘要框架和塔連接后可簡化為一個彈性支承的系統,利用彈性連續體分析法求解振動方程,推導出了計算框架塔自振頻率的理論公式。This article, with the study on transmissibility characteristics of vibration - isolating device viewed as a continuum, analysed characteristics of vibration - isolating device under the modles of discrete elastic components, poles and beams, so as to provide scientific evidence for resolving vibration problems of numerical - control machine tools
摘要將隔振器看作質量連續體,通過研究剛性基礎上數控機床隔振系統的傳遞率特性,分析比較了離散彈性元件、一維桿和梁等幾種隔振器模型方式下隔振系統的特性,為正確解決剛性基礎上數控機床振動噪聲控制的技術問題提供依據。Being an auxiliary part of vibration monitoring system, it can be used in equipments with decentralized measurement spots and without continuous monitoring, and it can supply real - time and credible information to operators
便攜式振動分析儀作為振動監控系統的輔助部分,適用於測點分散且不需做連續監測的設備,能夠為運行人員提供實時可靠的設備運行信息。This paper studies the systems of nonlinear neutral parabolic partial functional differential equations with continuous distributed deviating arguments, sufficient conditions are obtained for the forced oscillation of solutions of the systems
摘要研究具有連續分佈偏差變元的非線性中立型拋物偏泛函數分方程系統,獲得了系統解的強迫振動的充分條件。分享友人