線狀態變量 的英文怎麼說

中文拼音 [xiànzhuàngtàibiànliáng]
線狀態變量 英文
line state variable
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 狀 : Ⅰ名詞1 （形狀） form; shape 2 （情況） state; condition; situation; circumstances 3 （陳述事件或...
  • 態 : 名詞1. （形狀; 狀態） form; condition; appearance 2. [物理學] （物質結構的狀態或階段） state 3. [語言學] （一種語法范疇） voice
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 狀態 : status; state; condition; state of affairs: （病的）危險狀態 critical condition; 戰爭狀態 state o...
  1. The complex nonlinear pursuit - evasion model of two spacecraft in near - earth coplanar orbit is simplified to linear model, the circular region the radius of which is equal to capture radius is defined as target set, capture is achieved when the evader come into the target set and the game is over ; the boundary of useable part ( bup ) is determined, and the analytical form solution of the linear equations is obtained by backward integration of the state variables from the bup, the linear barrier of the pursuit - evasion model and the optimum thrust of the both sides are thus obtained

    本文將近地共面軌道內運動的兩飛行器非線性追逃模型簡化為線性模型，以捕獲半徑的圓域定為目標集，確定目標集邊界上的可用部分，並以此為各狀態變量的起點，對時間進行倒向積分，求得線性方程組的解析解，從而確定了該追逃模型的線性界柵，以及界柵上對策雙方的最優推力，即求得了滿足最優策略時相對運動的軌跡和推力。
  2. In this dissertation, through computer simulation, the problems of modeling, control and guidance of auvs are presented. the first part of this dissertation addresses the problem of dynamically modeling of auvs, and derives thrusters " two - dimension nonlinear dynamic model, which has axial flow speed and propeller rotational velocity as two state variables, voltage or current of motor as inputs, and thruster force and torque as output. the second part focuses on the nonlinear adaptive sliding mode control of auvs in diving plane and steering plane

    本論文系統研究了自主式水下航行器的建模、非線性自適應滑模控制、以及深度調整和水平面導引方法等問題，具體成果和創新點如下1 、根據流體力學理論，建立了螺旋槳推進器的動態模型，它以螺旋槳來流速度v _ p和螺旋槳轉速n為狀態變量，以電機施加轉矩為輸入，螺旋槳推力t和轉矩q為輸出。
  3. It is generally impossible to obtain the analytic optimal guidance law for complex nonlinear guidance systems of homing missiles, and the open loop optimal guidance law is often obtained by numerical methods, which can not be used directly in practice. the neural networks are trained off - line using the optimal trajectory of the missile produced by the numerical open loop optimal guidance law, and then, the converged neural networks are used on - line as the feedback optimal guidance law in real - time. the research shows that different selections of the neural networks inputs, such as the system state variables or the rate of los ( line of sight ), may have great effect on the performances of the guidance systems for homing missiles. the robustness for several guidance laws is investigated by simulations, and the modular neural networks architectures are used to increase the approximating and generalizing abilities in the large state space. some useful conclusions are obtained by simulation results

    對于復雜的非線性導彈制導系統，很難求得其解析的最優制導律，只能求得開環的數字解，不能適用於具有時變不確定性的導彈制導系統.利用神經網路的學習和推廣能力，對開環的數字最優制導律進行離線的學習，作為閉環的神經最優制導律在線應用.研究分別選擇系統狀態變量和視線角速率等不同的神經網路輸入對制導系統性能的影響，以及各種制導律的魯棒性問題，並採用模塊化神經網路結構提高神經網路的學習和推廣能力，模擬結果得到一些有益的結論
  4. For the algorithm of reactive power optimization, presented in this paper, in order to found the linear programming model equations, the objective function is minimum total power losses, the controlled variables include the compensating capacity of reactive power, generator bus voltages and transformer tap positions, the state variables include reactive power of the generators, and the voltage amplitudes in the ends of transformers

    本文研究的電力系統無功優化演算法是以整個網路的損耗最小為目標函數，以無功補償設備出力、發電機端電壓和可調變壓器變比為控制變量，以發電機的無功出力和變壓器端電壓幅值為狀態變量建立了線性規劃模型方程。
  5. From the viewpoint of macro dynamic characteristics of freeway traffic flow, this paper classifies the freeway, gives a nonlinear macro dynamic traffic flow model of freeway using density and speed as state variables and then identifies the parameters by using searching approach step by step, finally gives an identification instance

    摘要從高速公路交通流的宏觀特性和動態特性出發，對高速公路進行了兩級分段，以車流密度和車流速度作為狀態變量，給出了高速公路非線性的宏觀動態交通流模型，進而採用直接搜索法對模型中的參數進行了分段辨識，並給出了辨識實例。
  6. The reactive power optimization compensation is to find the suitable compensation place and the best compensation capacitance by adjusting the generator bus voltages, transform taps and reactive compensation capacities in the condition of satisfying power load requirement, which can guarantee the secure and high quality power for consumers. the improved genetic algorithm is applied in this thesis according to the features of reactive power optimization of high voltage transmission bus, which are the non - linear problems with multi - variables and multi - restrictions

    電網無功優化補償是在有功潮流調度給定的情況下，以負荷節點電壓和線路輸送無功功率作為狀態變量，運用優化演算法，調節發電機節點電壓、變壓器可調分接頭和無功補償裝置，在滿足電力負荷的要求下，尋求合理的無功補償點和最佳補償容量，保證電網能夠安全、優質地向用戶供電。
  7. In ship steering controller design, the nonlinear ship model should be written in siso strict feedback form. we start the recursive design with the system first state variable and continue with the second one. by introducing a change of coordinates, we choose lyapunov functions to stabilize the system and obtain the control law

    在船舶航向控制方面，考慮船舶的穩態回轉非線性，應用backstepping方法設計：首先把系統化成單入單出的嚴格反饋控制形式（呈下三角結構） ，假設系統后一個狀態變量是前一個狀態變量的虛擬控制，通過適當的變量代換，在每一步構造李亞普諾夫函數，使前一子系統在虛擬控制下漸近穩定，逐步遞推出控制器控制規律，使整個系統在平衡點滿足一致漸近穩定性。
  8. Besides, the system found a fault in the transformer, and the results detecting can be a warrant of state - repair. on the bases of a great deal of investigates and researches, the paper sums up the interfere sources on locale. especially the paper draws some valuable conclusion that the oil cycle style, running state, configuration, oil flow distributing of transformer, position of faults and destroy degree when confirming and choosing sampling position

    在大量調查研究的基礎上，分析歸納了變壓器多種現場干擾因素和不同取樣點對變壓器油色譜在線監測及診斷的影響，特別是變壓器油色譜在線監測在確定和選擇取樣點時，必須考慮變壓器油循環方式、運行狀態、變壓器結構、油流分佈、故障部位及嚴重程度等情況。
  9. When the network - induced delay is less than and more than one sampling period, the augmented state vector method is used respectively to model the system as a finite - dimensional discrete - time lti ( linear time - invariant ) system

    在網路誘導時延小於和大於一個采樣周期的情況下，分別利用增廣狀態向量法，將系統建模為有限維離散時間線性時不變系統。
  10. The flight state variables are separated into fast and slow variables in terms of perturbation theory

    根據奇異攝動理論將受控狀態變量分為快變量和慢變量，然後根據非線性動態逆理論分別對內環和外環進行設計。
  11. In the new method the uncertainty of the system to be controlled is normalized firstly, and then the partition of unity that is subordinated to a open covering of state variables compact set is constructed, and the approximation is realized by using its property that can approximate nonlinear continuous function with arbitrary precision, then the decentralized adaptive robust controller of complex systems and adaptive laws of approximate parameter estimation are designed

    該方法首先對被控系統中的不確定性進行歸一化處理，進而構造出從屬于狀態變量的緊致域的一組開覆蓋的單位分解，利用其具有以任意精度逼近非線性連續函數的性質，實現了對被控系統不確定性的近似逼近，然後設計了復雜系統的分散魯棒控制器和參數估計的自適應律，並證明了這種控制器使被控系統的狀態及參數估計誤差一致終極有界。
  12. We construct a iterative system with known nonlinear and time - delay stimulation basing on the original system model, and prove that the solution sequence of the iterative system uniformly converge to the optimal solution of the original system

    首先根據狀態變量含有時滯的非線性系統的模型構造一個含已知非線性和時滯激勵的線性迭代系統，並證明該迭代系統的解序列一致收斂于原非線性時滯系統的解。
  13. In the computational methods of tpbvp, in order to reduce some difficulties involved in solving a tpbvp via adjoint variables, we discuss a direct method in which state and control variables are indirectly parameterized, the method employs a recently developed direct optimization technique that uses a piecewise polynomial representation for the state and control variables, thus converting the optimal control problem into a nonlinear programming problem, which can be solved numerically. it makes the initial iterative variable more easy to be determined

    在數值解法中，為了減少解決兩點邊值問題共軛變量帶來的困難，主要討論了將狀態變量和控制變量進行參數化的一種直接方法，這種方法採用了近段發展起來的使用分段的多項式來代替狀態和控制變量的直接優化方法，然後最優控制問題就轉化成可以用數值方法解決的非線性規劃問題，使得迭代初值更加容易選取。
  14. Through the equivalent transformation between the linear combination relation of the father - son state in the state equations and the incidence relation of the father - son state nodes in the weighted network, it is realizable to build the block contact of the general structure and the system state variable is the earliest starting time, and collect the incident matrices of the dividing branch nets in whole net, then the parameter matrices of the state space model are obtained

    通過狀態方程中父狀態與各子狀態之間的線性組合關系與塊網中父狀態結點和各子狀態結點之間的帶權父子關聯關系之間的等價轉換，實現以工序的最早開工時刻為狀態變量的系統狀態模塊和泛模塊的介面與提取總網「劃分子網」的關聯矩陣得到狀態空間模型的參數矩陣。
  15. Author reformulate the mathematic model of engine to process the ecdp as the state parameters of model, expatiate on the prove of the filter stability, study the filter volatilization phenomenon by freezing k matrix and compensating the model by ecdp

    建模時將ecdp的變化作為擾動考慮，經模型變換將其轉化為線性模型的狀態向量，對由此產生的特殊的濾波穩定性證明方法進行了闡述。
  16. Moreover, in order to capture the linear properties in aerodynamic coefficients, additional linear terms are added to the model, which make the wavelet network model has some definite physical significance in use

    另外，本文在小波網路模型中加入狀態變量的線性項，以反映氣動力系數中的線性特性，這對于實際應用是非常有意義的。
  17. First of all, this article takes the cubic function elastomer in nonlinear system for examples, taking advantage of the method of state space and the dynamic simulation environment of matlab / simulink to convert the dynamics model into simulation model and choosing a suitable simulation arithmetic. at the meantime, the model parameter graphical can be prepared by use of the matlab ' s callback functions and will conveniently modify the parameters of system

    首先，以三次函數型非線性緩沖包裝系統為例，從求解緩沖包裝系統動態響應的角度出發，採用matlab simulink模擬環境，利用狀態變量法將系統動力學模型轉化為模擬模型，選擇模擬演算法，利用matlab中的回調函數，編制緩沖包裝系統的參數圖形界面，可以方便修改系統的參數。
  18. In single magnet modeling, from the air gap magnetic - flux density, single magnet linear model which take the flux density as the state variable is obtained, and used the fitting formula which the magnetic field analysis had obtained to revise the model parameters

    在對單鐵的建模中，從氣隙磁通密度的角度出發，得到了以磁通密度為狀態變量的單鐵線性模型，並採用磁場分析得出的擬合公式修正了模型參數。
  19. A new method for controller design is proposed. after throwing a lot of study on existing nonlinear control methods, a new method is proposed which is derived from capacitor. considering the action exerted on electric particle between two plates of a capacitor, a kind of restricted function is constructed for state variable

    在對現有非線性控制方法充分研究的基礎上，歸納、總結出一種新的工程式控制制方法，這一控制方法的思想來源於電容電極對極間電荷的作用原理? ?將控制器看作是電容電極，而被控對象看作是「粒子」 ，經過數學處理，形成一種對狀態變量的約束函數式。
  20. The natures of the probe and formation mechanisms in these techniques are different ; therefore, the images of spm can reflect different properties of sample surface. in this work, related properties of ferroelectric thin film were investigated as followed : the main factors determining the image formation of piezoresponse force microscopy ( pfm ) and scanning nonlinear dielectric microscopy ( sndm ) were studied. to avoid the misreading of the same conductive tip with different state, a new method of polarization distribution mapping with nonconductive tip was proposed, and the result of experiment demonstrated that the polarization distribution of ferroelectric thin films could be characterized well by the new approach

    本工作主要分為以下幾個部分:從研究鐵電薄膜的壓電響應力顯微鏡（ pfm ）和掃描非線性介電顯微鏡（ sndm ）成像的影響因素入手，討論了針尖對成像質量的影響;為降低實驗成本、減小導電探針針尖狀態變化對鐵電薄膜微區電性能測試的負面影響，提出了以非導電探針檢測微區極性分佈的方法，並在現有spa - 300hv型spm的實驗平臺上以pfm模式成功實現了新方法對鐵電薄膜極性分佈的表徵。
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