state variable 中文意思是什麼
state variable
解釋
狀態變量-
Modern control theory has arisen with the advent of high - speed digital computers and characterized by the state variable concept with emphasis on matrix algebra and with analysis and design principally in the time domain
現代控制理論是隨著高速數字計算機的出現而產生的，主要特點是使用狀態變量的概念並強調矩陣代數和主要在時間域進行分析和設計。 -
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。 -
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 -
Optimal periodic control with the lowest operational cost by limiting total substrate discharge mass was studied. through adding new state variable and using supplement functions, the problem with restriction conditions was converted into nonrestriction problem. in addition, the dynamic searching method of optimal step coefficient was developed to modify the conventional gradient method, consequently the calculation problem of the multivariable optimal periodic control was able to be resolved better. it was found that the operational costs of optimal control under various initial states are distinctly different. a new concept of optimal control under optimal initial state was presented. it is pointed out emphatically that to the treatment system without optimal control condition, the suboptimal control with extensive practical value can be realized according to the results of optima control
著重研究了在限制有機物排放總量時，使其運行費用最低的最優周期控制問題.通過增加新的狀態變量和用補償函數法，將本課題的有約束條件問題化為無約束條件問題，並提出了最優步長參數的動態搜索法來修改傳統的梯度法，從而較完善地解決了多變量最優周期控制的計算問題.研究中還發現了不同初始條件下最優控制所需要的運行費用也大不相同，進而提出了最優初始狀態下最優周期控制的新概念，這對保證出水質量的同時進一步降低污水處理成本來說具有更重要的意義.本文還強調指出：對于尚不具備實現最優控制條件的處理系統，可根據最優控制的研究結果實現具有廣泛實用價值的準最優控制 -
Meanwhile, small signal stability of the system with associated feedback control is similar to that with all state variable feedback control
從特徵值比較看，關聯測量分散勵磁控制下的小干擾穩定性可以接近全狀態量反饋控制時的性能。 -
Bank nonperforming loan is " a financial pollutions ", it is put forward at, first, it is harmful to social welfare. the paper builds up a utility function ( loss function ) including loan balance ( control variable ) and nonperforming loans ( state variable )
試圖回答並且做出有創新的研究之六本文第一次提出銀行不良貸款是一種「金融污染」 ，將對一個國家的福利產生負面的影響，本文設計了一個含有貸款、銀行不良貸款的社會福利函數。 -
( 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。 -
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。 -
Realizing state variable filter based on isppac
10實現狀態變量有源濾波器 -
Dynamic response of elastic rectangular plates by spline state variable method
德城區區域承載力的狀態空間法研究 -
Class is used to manage session - state variable values indexed by a variable name or by numerical index
類用於管理按變量名稱或數字索引建立索引的會話狀態變量值。 -
The exact design methods of switched - current filters are summarized, such as the director synthesis of z - plane, euler mapping, state variable analysis, matrix decomposition, and signal - flow - graph simulation of the lc and switched capacitor prototypes. at the same time, a modified left decomposition matrix method is proposed to overcome the usual problems of large silicon area, high sensitivity and component spreads by minimizing the input circuits. examples of switched - current low - pass, high - pass and band - pass filters are given to verify the feasibility of these methods
總結分析了實現高精度開關電流濾波器設計的各種實用方法，包括z域綜合法、歐拉映射法、模擬無源lc網路和開關電容網路的狀態變量法、矩陣分解法和信號流圖轉置法，並對左分解法加以整理改進，提出一種更為簡潔的設計結構，通過減化輸入電路克服一般電路中存在的佔用矽片面積大、靈敏度高等問題。 -
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。 -
In the first example, a state variable is incremented
在第一個示例中，狀態變量是遞增的： -
Based on the branch - current - based current method, this paper presented a three - phase state estimation method for distribution where the load current is considered as the state variable
在基於支路電流的三相配電網狀態估計的基礎上提出了以負荷電流為狀態變量的配電網的三相狀態估計方法。 -
Third, controlling chaos in the chaotic n - scroll chua ' s circuit is studied. the approach taken is to use feedback of a single state variable in a simple pd ( proportional and differential ) format. first, the unstable fixed points in the n - scroll chua ' s circuit are classified into two different types according to the characteristics of the eigenvalues of the linearized system matrix at the fixed points
第三，研究了多渦卷chua電路中不動點處jacobian矩陣特徵根的性質，並據此將不動點分成兩類，應用變量的比例微分反饋法分別對這兩類不動點的可控性進行了研究，研究發現該法只能實現第一類不動點及其相應子空間的混沌控制，而不能完成第二類不動點的混沌控制，並給出了數值模擬結果，理論分析和數值模擬證實了該方法的有效性。 -
The fourth subclause provides an overall summary of state variable representations for the fixed point coder
第4小節提供了定點編碼器狀態變量表示的總的概況。 -
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。 -
This paper introduce an analytic method of incorporating state variable inequality constrains in the kalman filter. the incorporating state variable inequality constrains can improves the estimation accuracy and strong the performance of restraining the noise
本文還提出了用約束卡爾曼濾波的方法改進跟蹤濾波器，增強濾波器抑制噪聲的能力，並給出了約束卡爾曼的基本理論、研究了方法的可行性。 -
In the end the paper reveals the correspondence between generalized splines with obstacles and optimal control problems with state - variable inequality constraints
最後，揭示了狀態帶不等式約束的最優控制解的必要性準則與帶障礙的廣義插值樣條的聯系。
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