state-variable model 中文意思是什麼

state-variable model 解釋
可變狀態模型
  • state : n 1 〈常作 S 〉國,國家;〈通例作 S 〉(美國、澳洲的)州;〈the States〉 美國。2 國務,政權,政府...
  • variable : adj 1 易變的,變化無常的,無定的 (opp constant steady)。2 可變的,能變的;變換的。3 【數學】變...
  • model : n 1 模型,雛型;原型;設計圖;模範;(畫家、雕刻家的)模特兒;樣板。2 典型,模範。3 (女服裝店僱...
  1. A robust model predictive control method is presented with an appropriately constructed robust contractive set as the terminal set of its optimization problem and with the cost function formulated from the gauge function of this set regarding state variable

    以魯棒可控收縮集作為預測控制在線優化問題的終端約束集,並用基於該集合的尺度函數構造成本函數,從而得到一種基於線性規劃的魯棒預測控制方法。
  2. Abstract : digital basinis made from digital elevation model considering spatial variability within a catchment. on the basis of digital basin, the digital approach to describing hydrological processes within a catchment is investigated. digital hydrological model is regarded as a modern physically - based modeling technique that includes a large amount of information. the case study on the shiguanhe catchment in the huaihe river basin, intensified observation field of gewex asian monsoon experiment project, has shown that the digital mode lperforms very well not only in simulating runoff processes at any specific site, but also in simulating spatial distribution and temporal variation of hydrological elements and state variable ( especially soil moisture ), if compared with traditional hydrological models. that provides solid foundation for full use of now available observation in formation and in - depth mining of hydrological data

    文摘:考慮流域下墊面空間變異性,基於數字高程模型構建了數字流域,並在此基礎上對描述流域水文物理過程的數字方法進行了探討.文章認為,數字水文模型是一種有物理基礎的包含大容量信息的現代模擬技術.史灌河流域實例研究表明,數字水文模型可以十分方便地輸出水文要素和狀態變量的空間分佈與時間序列,這對充分利用現有觀測信息進行水文信息的深層挖掘創造了條件
  3. The result was used to adjust relative humidity and to enhance the ability of mm5 mesoscale modeling system to produce accurate forecast of precipitation. we define the air condition includes 5 kinds : the clear sky, semitransparent or fractional cloud, high cloud and low cloud and middle cloud. in this process, we present the method development for the generation of cloud based on gms - 5 images. mm5 ( fifth - generation perm. state / near mesoscale model ) output will be extensively used for the off - line computation of dynamic changeable mutispectral thresholds in order to adapt to variable weather using statistical regressive relations produced by optimal regressive analysis

    基於常規地面觀測資料,將天空狀況分為晴空、半透明雲或碎雲、高雲、中雲和低雲5種情況,用最優回歸分析法對mm5模式的三維要素場和常規地面觀測資料進行統計分析,得出雲判別和雲分類的衛星雲圖多譜閾值的統計關系統計回歸判別方程,對衛星雲圖進行雲判別和雲分類,據此得出mm5中尺度數值模式初始場各點的雲分佈,並對模式初始場的相對濕度進行調整,以達到改善中尺度數值預報模式預報結果的目的。
  4. ( 6 ) the reservoir operation function is established utilizing the optimal dispatching results. the state variable and decision variable of the operation function is discussed, and the stepwise regression method is used to derive the operation function. because of the nonlinear features of the function have n ' t been reflected in traditional regression methods, the back - propagation neural network model is introduced to establish the operation function

    ( 6 )利用水庫優化調度結果建立水庫調度函數,在分析水庫調度函數各特徵量的基礎上,介紹了用逐步回歸方法建立水庫調度函數的具體過程,考慮到傳統回歸方法未能反映調度函數的非線性特性,引入bp神經網路模型求解模型,建立水庫調度函數。
  5. 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。
  6. Secondly, through the examination and observation of the structural model of the cast - in - place pre - stressed compound floor slab system, under the normal usage load, the normal usage limit - state and the failing load, we have validated the space working - feature of the structural model under variable loads, including the rigidity, the crack, failing - state, failing load and the stress variation of the pre - stressed bar, and so on

    其次,通過對該體系的結構模型在正常使用荷載、正常使用極限狀態和破壞狀態下的試驗研究,驗證了現澆預應力復合樓蓋體系模型結構在各種荷載作用下的空間工作性能,包括剛度、裂縫、破壞形態、極限承載力及預應力筋的應力變化狀態等。
  7. This paper demonstrates how to generate variable pwm waveform based on standard cpld device, the proposed circuit is incorporated with mcu to provide simple and effective solution for high - performance pwm converters. in the brushless model, the igbt ( isolated gate bipolar transistor ) switch state period table is gained by mc33035 which analyzes the signal of position feed - back

    這部分功能在cpld器件中用vhdl語言開發實現,其isp (在系統編程)方式使得設計與維護都比傳統方法方便靈活,由於逆變器開關元件的觸發信號是由硬體來產生的,因此更容易實現準確的高速實時控制。
  8. Thirdly, with the simplest single - input discrete system as the model, we analyze and discuss the effects for control - delay on the discrete variable structure control systems, and bring forward the design method of discrete variable structure control based on the system state forecast ; simulations show that the above solution avoids adverse influences for control - delay on the performance of variable structure control systems with control - delay, and control effect is fine

    第三,本文以最簡單的單輸入離散系統為模型,分析討論了控制量延遲對離散變結構控制系統的影響,提出了基於系統狀態預測值的離散變結構控制設計方法;模擬表明該方法設計的具有控制滯后的變結構系統避免了控制量延遲對系統動靜態的不利影響,控制效果良好。
  9. A task state model, the remaining solution time and the weight of task are confirmed by analyzing the state variable multi time in collaborative innovation design process

    通過分析協同產品開發中設計任務的過程狀態,建立了任務狀態模型,確定了任務剩餘處理時間和任務的權。
  10. In the closed system composed of human, vehicles and road surrounding, the perceiving of the state of road surrounding is the first key factor to assure safety when steering. this paper studies the representation approaches of state information during driving and established vehicle - surrounding state feature model to illustrate the variable and dynamic state of running vehicles

    針對人-車-道路環境構成的閉環系統,駕駛過程中道路-環境狀態的感知這個首要因素,本文研究了駕駛過程狀態信息的表達方法,建立了汽車-環境狀態特徵模型,描述了汽車在行駛過程中時變動態的駕駛狀態。
  11. 2. build a mathematic model of variable capacity system, simulate the steady - state performances of three different structures, and obtain their trends of performances and compositions with inlet temperature of evaporator descending

    建立了變濃度容量調節的數學模型,對三種不同結構的系統進行了穩態模擬,得出其各自性能及組分隨蒸發器進風溫度的下降而變化的趨勢。
  12. In this paper generic model control is applied to the design of controlling law of the nonlinear power propulsion system, at the work state of constant depth and variable speed, constant speed and variable depth movement of torpedo. then the simulation program of the torpedo thermal power digital simulation system comes forth which can be used for the dynamic simulation of the performance of the process of open - loop constant depth and open - loop constant speed, the process of close - loop constant depth and close - loop constant speed

    本文採用一般模型控制的基本原理,對非線性動力推進系統進行控制律的綜合,設計了魚雷恆深變速、恆速變深控制的閉環控制規律,開發了魚雷熱動力系統數字模擬軟體,對魚雷熱動力推進系統的典型工況:開環恆深、開環恆速以及閉環恆深、閉環恆速進行動態模擬。
  13. Using the macroeconomic model that can reflect financial structure and mechanism of monetary policy, the dissertation analyzes the applicability of intermediate target variables. the demonstration points that the way of using information variable is the realistic choice under the condition of complicate and changeful financial structure. as deflation becomes a realistic challenge to inflation targeting or monetary policy, the dissertation analyzes the state of deflation and liquidity trap and the role of inflation targeting in dealing with them

    論文從確定性過渡到不確定性(沖擊) ,從簡單金融結構過渡到復雜金融結構,以金融結構? ?貨幣政策傳導機制? ?貨幣政策框架選擇為理論邏輯,利用能夠反映金融結構和貨幣政策傳導機制的宏觀經濟模型,研究貨幣政策中介目標或者信息變量的適用性,論證信息變量方法和「通貨膨脹目標制度」是復雜多變的金融結構背景下的現實選擇。
  14. So the conceptions of " characteristic variable " and " characteristic model " are presented here, and with them as a clue, the paper focuses on collecting and summarizing the characteristic variable which can indicate system ' s state and performance, physical meaning of the variables are discussed also. the characteristic variable includes : stability - monitoring variable, characteristic variable based on time - domain performances, output waveform variable, parameter variable and circumstance variable

    為此,本文提出特徵量和特徵模型的概念,並以此為思想主線,重點研究了能夠表徵系統性能的特徵量及其意義,引入了系統穩定性監控的特徵量、與控制指標相關的特徵量、輸出波形特徵量、參數特徵量及環境特徵量。
  15. This article penetratively analyses the locally asymptotic stability of equilibrium state to the single - variable system of the tumor immunity surveillance model by aid of the ordinary differential equation stability theory

    摘要用嚴格的常微分方程穩定性理論,對腫瘤免疲監視模型的單變量系統平衡態的局部漸進穩定性做了深入分析。
  16. We then consider the n policy m / g / 1 queueing model with two priorities. by using the supplementary variable method to analyze the state probability equations, we derive the generating function of queueing length distribution and the mean queue length in the buffer of the communications network. and through further discussing for the queue with various priorities, we derive the generating function of queueing length distribution and the stationary queueing length in queue models with various priorities

    其次研究帶有兩個優先權的n策略m g 1排隊模型,利用補充變量法對狀態概率方程組進行分析,得出了此排隊系統隊長分佈母函數及通信網緩沖器中的平均隊長,並對不同優先權隊列的進一步討論,得出了不同優先權隊列的隊長分佈母函數及穩態隊長。
  17. 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。
  18. What the practical problems is often gotten is a single variable time series which has a time interval of t, reflect by a lot of interactive physics factor, containing the mark of all variates participating in movement, traditional time series analysis is to analyse going from this array to the form directly it ' s time develops, one dimension analysis loses useful information, the characteristics of phase space reconstruction method is to construct one dimension scalar quantity to high dimension vector, prop the geometry space of the state, show all dynamical information of system in phase space. the characteristic that just constructs again according to the phase space in this text, analyse the time series of responding, use the relevant knowledge of symbol dynamics and reconstruct phase space, put forward a kind of relation degree analysis method of the systematic mathematics model which has theory basis, so reach the correction of calculation mathematics model, make it accord with the actual systematic state

    實際問題中常常得到的是一個時間間隔為t的單變量的時間序列,它是許多物理因子相互作用的綜合反映,蘊藏著參與運動的全部變量的痕跡,傳統的時序分析是直接從這個序列去形式地分析它的時間演變,一維分析必然喪失許多有用信息,相空間重構方法的特點是把一維標量數據構造成高維矢量,支起狀態的幾何空間,在相空間中展示系統全部動力信息。本文正是根據相空間重構的特點,對響應時間序列進行分析,利用符號動力學、重構相空間等方法,提出一種有理論依據的系統數學模型關聯度分析方法,從而達到修正計算數學模型,使其更符合實際系統狀態的目的。
  19. 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。
  20. Modeling of small perturbation state variable model for aeroengines

    航空發動機小偏差狀態變量模型的建立方法
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