Speed prediction ability of unitire steady - state model 輪胎穩(wěn)態(tài)模型的速度預(yù)測能力
( 2 ) a steady - state model for a water - to - water heat pump ( 2 )水一水熱泵機組模型。
Meanwhile , in a distributed parameter approach a steady - state model of condenser and evaporator has also been established in the form of concentric counter - flow heat exchangers 采用分布參數(shù)法,建立了復(fù)合螺旋套管式冷凝器和蒸發(fā)器的穩(wěn)態(tài)模型,并編制了冷凝器和蒸發(fā)器的設(shè)計和模擬軟件。
The first one is a two - dimensional , steady - state model for liquid - feed direct memanol fuel cell ( lfdmfc ) , another one is a three - dimensional , comprehensive , steady - state mathematical model for h2 / o2 proton exchange membrane fuel cell ( pemfc ) 本文分別對dmfc和h _ 2 o _ 2pemfc建立了綜合的數(shù)學(xué)模型,研究了電池內(nèi)的傳遞現(xiàn)象和電化學(xué)特性,得到了電池的極化性能。
By selecting the amplitude and phase angle of the vsc output voltage as control variables , the steady - state model of hvdc - vsc is developed . according to this model , the corresponding relationship between the two controlling and the two controlled variables of the vsc is determined . furthermore , a nonlinear control strategy combining an inverse model controller with a pi controller is proposed 建立了以電壓相角和幅值為控制量的hvdc - vsc的穩(wěn)態(tài)模型,并依據(jù)所建立的穩(wěn)態(tài)模型,確定了vsc兩個控制量與兩個被控量之間的合理對應(yīng)關(guān)系,設(shè)計了由逆模型控制器和pi控制器構(gòu)成的非線性控制器。
The ash fouling online monitoring models are built for furnace , convection heating surface and tri - sectional regenerative air preheater based on the analysis and summarization the researches on the ash fouling monitoring technic and models of boiler . clean factor ( cf ) is chosen to express the effect on heat transfer of ash fouling and is calculated by heat transfer steady - state model 在分析研究總結(jié)現(xiàn)有的鍋爐各類受熱面的各種灰污監(jiān)測技術(shù)和模型的基礎(chǔ)上,建立了鍋爐爐膛、對流受熱面和三分倉空預(yù)器的灰污在線監(jiān)測模型,以清潔因子表征受熱面灰污對鍋爐受熱面?zhèn)鳠岬挠绊憽?
By selecting the voltage space vector of the voltage across the equivalent converter impedance as the control variables , the steady - state model of hvdc - vsc is developed . on this basis , a steady - state feedback linearization strategy is proposed , then , linear and decoupled control is realized using pi controllers and feedforward compensation 建立了以vsc等效換流阻抗上的基波壓降所對應(yīng)的電壓空間矢量為控制量時hvdc - vsc的穩(wěn)態(tài)模型,并根據(jù)所建立的穩(wěn)態(tài)模型,提出了基于穩(wěn)態(tài)模型的hvdc - vsc反饋線性化控制策略。