線性參數 的英文怎麼說
中文拼音 [xiànxìngshēnshǔ]
線性參數
英文
linear dimensions-
The structure and operating principle of an air - charged split - type adjustable shock absorber was described, e non - linear parameterized mathematical model of this shock absorber ' s damping characteristics was established according to fluid mechanics theory and the main structural affection factors to shock absorber ' s damping performance, such as the diameter of piston valve orifice, the diameter of adjustable orifice, the initial volume of gas chamber, the diameter of piston rod, the inner diameter of oil pipe and so on, were analyzed by simulations
摘要通過分析一種分體式充氣可調阻尼減振器的結構和工作原理,運用流體力學理論,建立了該減振器阻尼特性的非線性參數化模型,模擬分析了活塞阻尼閥孔徑、阻尼調節孔徑、氣室初始體積、活塞桿直徑、油管內徑等主要結構參數對減振器阻尼性能的影響,通過試驗測試,得到了減振器樣件的阻尼特性及其可調范圍。Second, through employing the 3 - d finite element model and the dual objective function inversion method developed in this paper, and taking the measured fundamental frequency of system and the structure response to a harmonic excitation at the top of structure in field as the reversion objectives, the linear material parameter inversion is performed in ansys by using ansys parameter design language ( apdl )
第二,採用三維實體有限元模型和本文提出的雙目標函數反演方法,把現場測試得到的系統基頻和頂部激振下實測的結構動力響應作為反演目標,利用ansys參數設計語言( apdl ) ,在ansys軟體中實現了系統材料線性參數的反演。An efficient wind field simulation technique for wind - induced vibration analysis of long - span bridges is first introduced in this paper , and the statistic characteristics of the simulated wind field are then discussed on this basis , the time - domain expressions for the buffeting and self - excited forces acting on long - span bridges are further given a simple and practical method is presented for the non - linear parameter identification involved in the calculation of self - excited forces by using the above theory , the wind field and aerodynamic forces acting on the hong kong ting kau bridge are obtained the time - domain buffeting response analysis of the bridge shows that the analytic results agree quite well with the experimental ones this indicates that the theory presented in this paper has reached a practical level
介紹了一種快速高效的用於大跨度橋梁風致振動分析的風場模擬方法,並對模擬風場的統計性質進行了討論和驗證在此基礎上進一步給出了大跨度橋梁抖振力和自激力的時域表達方式,其中針對自激力計算中涉及的參數識別問題,提出了一種簡單實用的非線性參數識別方法本文採用上述理論,獲得了作用於香港汀九大橋上的風場和氣動力,據此對大橋進行的抖振響應時域分析表明,計算結果與風洞試驗結果吻合良好,說明文中述及的這套理論已達到實用的階段A new computational formula to nonlinear adjustment by parameters, in consideration of the second - order terms, is derived in this paper from the precise orthogonality condition equations to nonlinear least squares by analyzing the direct solving process and iterative computing method of the linearized model
在分析線性化的非線性參數平差的近似直接解法與迭代解法基礎上,利用非線性最小二乘的精確正交性條件方程,推導出顧及到二次項的非線性參數平差的一種新的計算公式。This paper bring out design method of inverse eigenvalue problem, which adapts to general structures with linear parameters, namely coefficients of all or partial elastic component and inertial component are treated as design parameters, for given some order natural frequency and corresponding vibrating mode, all of useable designing parameters will be got through solving a linear system of equations, thereby stiffness matrix and mass matrix of actual structure are constructed. this paper also discusses existence condition and unique of results
提出了適用於具有線性參數的一般結構的逆特徵值問題的設計方法,即以系統的全部或部分的彈性元件與慣性元件的系數為設計參數,對于預先給定的若干階固有頻率及相應振型,通過求解一線性方程組即可確定全部實際可行的設計變量,從而構造出實際結構的剛度矩陣和質量矩陣,並論證了解的存在性與唯一性。In this paper, the control system of industrial boiler widely used in industrial production was studied. aiming at the nonlinear object of industrial boiler with instability parameter and difficult building math model, combining fuzzy control theory and neural networks theory, a adaptive controller built with compensatory fuzzy neural networks to control industrial boiler is proposed
本文對于目前在工業生產中廣泛應用的工業鍋爐的控制系統進行了研究,針對工業鍋爐這種具有非線性、參數不穩定、難以建立精確的數學模型的控制對象,結合模糊控制理論和人工神經元網路理論,提出用補償模糊神經網路構造自適應控制器實現對工業鍋爐的過程式控制制。Optical physical parameters and optical limiting are obtained. the study increased our knowledge about optical limiting and optical nonlinear properties of meal clusters
這項研究得出了基於金屬團簇的光學非線性參數和限幅性,同時加深了人們對金屬團簇材料的認識。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。Electro - hydraulic regulating system of turbine is a non - linear time - varied minimum phase system
水輪機調節系統是一個非線性、參數時變的非最小相位系統。Modeling time - domain nonlinear characteristics of microwave circuits by using the neural network techniques, then analyzing the time - domain transient and steady states of a power - amplifier and in collarboration with the hp - ads
2 )研究了一個建立在volterra級數基礎上的一般的分析方法,包括非線性參數和交調、頻率中的譜分量之間的相互影響。Feed back control base on nonlinear pid with self - adjust parameter and feed forward control base on experience model are employed in the practical application. the realization of this control system and its result are introduced in this paper. because the process of the reaction is complicated, it ' s difficult to model for it
在對中和過程自動控制演算法的探索中,採用了非線性參數自整定控制和基於模型的前饋控制,本文介紹了這種控制系統的實現和現場控制效果,由於中和控制過程的模型極其難以確定,反應過程變化復雜,因此基於模型的前饋控制無法對ph值和流量值的波動進行有效的補償。The adaptive predistorter given can achieve the predistortion compensation based on piecewise estimating hpa nonlinear characteristic curve and training hpa estimator nonlinear parameters via performing inverse transform with curve fitting section by section
自適應預失真器是基於對大功率放大器的非線性特性進行分段估計,由曲線擬合逐段取逆變換來訓練大功率放大器的預失真器的非線性參數,以達到預失真補償的目的。At first, we design a nonlinear parameterized scheme of planetary albedo, and put forward a multiple - parameter zero - dimensional climatic model on the basis of zero - dimensional energy balance model. using it to qualitatively discuss the impact of earth effective radiance, planetary albedo and atmospheric transmittivity on the climatic system behaviour, and analyze the stochastic process of this system later
本文首先在零維能量平衡模式基礎上,設計了一種行星反照率的非線性參數化方案,提出了一個多參數非線性零維氣候模式,用於定性地討論說明地面有效輻射率、行星反照率和大氣透明狀況對氣候系統性態行為的影響,最後分析了系統的隨機過程。At present we already use tradition method ( non - linearity parameter estimate method -, logarithm coordinate graph explain method and surplus analysis method ) ascertain measure area ' s every element ' s background value and abnormity lower limit, manage result is difference between real data. this article use fractal method ' s sum arithmetic ascertain geochemistry abnormity. by the contrast of these two arithmetic and abnormity graph, we think receive better effect
目前可用傳統的方法(非線性參數估計法、對數坐標圖解法和剩餘分析法)確定測區各元素的背景值和異常下限,處理結果與實際資料有一定差異。本文用分形技術中的求和演算法來確定地球化學元素的異常下限,實踐證明,其處理結果具有較好的效果。The theories relating to nonlinear control systems are expounded. and a robust output tracking control unit of a class of multi - variable affine nonlinear systems with uncertain parameters is designed
針對非線性控制系統的相關理論進行了闡述,設計了一類多變量仿射非線性參數不確定系統的魯棒輸出跟蹤控制器。This paper studies inverse design problem of generalized eigenvalue problem of linear parameter discrete vibration system
本文研究了具有線性參數的離散振動系統廣義特徵值逆設計問題。The algorithm can be applied to the control of the long time delay system with variable parameters and with unknown delay time. in the second part, the predictive control algorithms with constraints of variables are derived
研究基於線性參數神經網路的預測控制和基於非線性參數神經網路的預測控制,分析神經網路廣義預測控制系統結構,推導神經網路遞推預測模型靈敏度導數。Last, the 2 - d lumped mass nonlinear model is established to simulate the dynamic soil - box foundation - frame structure interaction system, and the variables separated nonlinear parameters fitting method is proposed
最後,建立了土-箱型基礎-框架結構相互作用系統的非線性計算模型,並提出了變量分離的非線性參數擬合法。This paper presents a nonlinear estimation algorithm to determine the steady - state equivalent circuit parameters of a three - phase induction machine
本文提出了一種三相感應電動機穩態數學模型的非線性參數識別方法。The extended model - calibration estimators for linear and bilinear parameters is generalized, and it is shown that the extended model - calibration estimators is optimal in the class of extended calibration estimators
摘要推廣了模型校正方法去估計線性參數和雙線性參數,並證明了廣義模型校正估計在廣義校正估計類中是最優的。分享友人