steady-state simulation 中文意思是什麼

steady-state simulation 解釋
穩定狀態相似模擬
  • steady : adj 1 穩固的,平穩的,穩定的,不變的(腳步、努力等)。2 堅定的,扎實的,牢靠的(船等)。3 有規則...
  • 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...
  • simulation : n. 假裝;模擬;裝病,裝瘋;【生物學】擬態,擬色。
  1. Finally, the controller working based on the combination of rbf neural networks and traditional pid control was applied to in aclinic kinetic machinery and lifting machinery of tower crane. the simulation of this controller was made using matlab, and the simulation results showed that the control system has some merits, such as quick response, little overshoot, well anti - jamming capacity, and little steady - state error, etc. both the dynamic property and static characteristic of this controller are better than traditional pid controller, and meet the tower crane

    應用matlab對塔機的變幅和起升機構的運動控制進行模擬,模擬結果表明基於rbf神經網路整定pid的控制系統具有響應快、超調小及穩態誤差小等優點,其動、靜態性能優于單一pid控制,從而提高了塔式起重機工作機構的工作性能。
  2. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下: 1 )對翅片管蒸發器結構特點進行分析,選取適當的微元控制體,就干、濕和霜工況下對每個微元分別進行傳熱傳質分析,基於經驗關系式確定霜的有關參數,對于霜工況下的霜生長建立模型,經適當假設,運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型,為系統模擬奠定基礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中參數模型進行分析和計算,為更好地描述製冷系統運行的全過程奠定基礎,同時也為製冷系統實現自動控制提供一定的理論基礎; 3 )對蒸發器正常運行過程,運用動態分佈參數和參數間定量耦合的觀點來分析和計算,為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性; 4 )編寫翅片管蒸發器動態特性模擬計算程序,可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場,實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。
  3. The impact of no - steady state tire side slip property on vihicle handling stability and simulation

    輪胎非穩態側偏特性半經驗模型
  4. And then we bring forward an approach to get the probability of steady - state based on gauss - seidel method and dynamic row - column techniques for the application of simulation in safety " analysis, sampling techniques for sparse events are discussed, and importance sampling method is brought forward to increase sampling efficiency

    論文提出了基於gauss - seidel方法與動態行列技術的分析方法。在模擬方面,主要探討了安全性定量分析中稀有事件問題的抽樣技術,並提出採用重要性抽樣法,以提高抽樣效率。
  5. This software can be used in steady - state simulation, components matching, optimization and performance analysis of automobile air conditioning system

    利用該軟體能對汽車空調系統進行穩態模擬、匹配和優化計算以及性能分析。
  6. Steady state simulation of a catalytic reforming reactor using a 17 - lumped kinetics

    十七集總催化重整反應器的穩態模擬
  7. By using steady state simulation, the bottleneck of increasing the effic - iency of separation is identified to be the middle sieve tray section with smaller diameter and smaller tray spacing, and the two renovation schemes without any additional invest - ment on equipment are proposed. 4

    利用穩態機理模型模擬實際操作過程,找出了限制提高塔的操作負荷以提高操作分離效果的的瓶頸位置,進而提出和比較了在不增加額外設備投資前提下解決這一瓶頸的兩套方案。
  8. A numerical model has been established which is suitable to cefr steady state and transient simulation. in these cases, a lot of calculation data have been accumulated during the analysis, including pro - process macro file named grid. mac, process control macro file named cal _ control. mac, and post - process fortran file named posdat. f. these data and files are very useful to thermal - hydraulical analysis of cefr and prototype pool - type lmfbr thermal design in the future

    建立了一套適合快堆穩態和瞬態模擬的數值模型,積累了大量的計算數據,對整個計算過程作了整理,編制了前處理宏文件grid . mac ,過程數據控制文件cal _ contral . mac和后處理文件posdat . f ,對目前快堆堆內過程的熱工水力分析和今後原型快堆的熱工設計都有非常重要的意義和借鑒價值。
  9. Steady state thermal analysis under natural convection boundary condition was performed. both the temperature distribution and the induced mechanical stress were calculated in this simulation. high stress area was found and the potential reasons which can cause packaging to fail were also discussed

    具體內容包括: 1 .建立一款疊層csp / bga封裝的三維實體有限元模型,求解自然對流條件下的穩態溫度場分佈,並在此基礎上進行穩態熱應力和熱應變分析,找出由於溫度梯度在封裝內部引起的高熱應力區域,分析其可能造成的失效結果。
  10. The simulation results show that the system can depress the overshoot and improve the response and steady state performance

    模擬結果表明該調速系統能有效地抑制超調現象,提高系統的響應速度和穩態性能。
  11. Steady - state simulation of transcritical carbon dioxide automobile air - conditioner

    跨臨界二氧化碳汽車空調穩態模擬
  12. The main research contents are as follows : 1. build a steady - state simulation model of a general heat pump system, calculate system performances of using r22 and ( 30 / 70wt % ) r32 / r134a as refrigerants respectively, and get their performance curves as the working conditions change

    主要研究內容如下: 1建立了常規熱泵系統的穩態模擬模型,對採用r22和( 30 70wt ) r32 r134a為製冷工質的系統分別進行了計算,得出其各自性能隨蒸發器進風或冷凝器進水溫度變化的關系。
  13. Based on the established three - dimensional physical model, simplified terms, specified material parameters in thermal and physical properties, boundary conditions, and the calculation method of heat convection of cooling water, the numerical simulation and analysis on steady - state temperature field for continuous unidirectional solidification of niti shape memory alloy wire billets were proceeded under the condition of different combined parameters using ansys finite - element software

    在建立三維物理模型以及確定材料熱物性參數、邊界條件與冷卻水對流換熱系數計算方法的基礎上,採用ansys有限元軟體對不同參數組合條件下鎳鈦形狀記憶合金線坯連續定向凝固的穩態溫度場進行了數值模擬。
  14. In chapter 2, the characteristics functions are firstly derived. two equivalent circuits are employed as machine models to describe the steady - state operation of a squirrel - cage induction machine and a double - cage or deep - bar induction machine. then a digital simulation program developed with object - oriented analysis and design techniques is introduced

    第二章根據單籠式和雙籠式或深槽式感應電動機的等效電路模型,推導了特性關于轉差的函數表達式,並介紹了使用面向對象技術進行分析和設計的模擬程序。
  15. Firstly, this paper introduces the asynchronous motor model, and compares it with the dc motor ’ s. then the paper studies the principle of vector control, and proposes an improved current model of rotor flux observer. this paper also studies the three - level inverter ’ s topology, working principle, the neutral - potential unbalance mechanism and its controlling strategy. the paper especially studies the svpwm in details. the interface between the vector control and the three - level inverter is studied in details, including the generation of reference voltage vector, its judging of the sector and triangular regions, and the working mechanism after it sent into three - level inverter. when synthesizing the reference voltage vector, select the vector which only includes p and o states as the starting vector, thus eliminate the vector shift problem when sector changes. this paper fully takes advantages of the powerful functions of matlab / simulink to set up the simulation model. this construction is very explicit. the simulation results verify the inverter voltage output is correct, the rotor flux is steady, the asynchronous motor ’ s dynamic and steady state performances and speed modulation are excellent

    本文首先介紹了異步電機的數學模型,在此基礎上將異步電機的數學模型與直流電機的數學模型進行了比較;然後介紹了矢量控制的基本原理,採用了一種改進的轉子磁鏈電流型觀測模型;對三電平逆變器的電路拓撲、工作原理、中點電位不平衡的機理及控制方法進行了介紹,詳細分析了空間矢量脈寬調制策略。本文對異步電機的矢量控制與三電平逆變器之間的介面進行了詳細的研究,包括:參考電壓矢量的形成、所落扇區與具體小三角形區域的判斷、送入逆變器之後的工作機理。在參考電壓矢量的合成時,選擇只包含p 、 o狀態的空間電壓矢量作為起始矢量,解決了扇區切換時的矢量突變問題。
  16. The simulation results indicate that the algorithm is suitable for the speed regulation of srm. within a wide speed range the system has a good regulation character and a high precision of steady state, also the system can well constrain the disturbance of the load torque varying

    模擬結果表明,採用本演算法構成的sr電機凋速系統在整個調速范圍內具有良好的調節性能及穩態精度,對負載轉矩的變化造成的擾動輸入能夠很好的加以抑制。
  17. A new method based on fwcm ( fast wavelet collocation method ) for time domain steady state simulation of nonlinear dynamic circuit is proposed

    摘要本文提出一種基於快速小波配置法( fwcm )的非線性動態電路時域穩態模擬方法。
  18. The impact of load characteristics and on load tap changer on static voltage stability is analyzed with the methods based on v - q and v - p curves, and the phenomenon of voltage stability voltage instability and voltage collapse are studied with steady - state simulation. finally the thesis presents the essential explanations of both voltage stability and the mechanism of voltage collapse. xu yonghua ( electrical engineering ) directed by prof

    通過電壓?功率曲線分析法定性分析了不同負荷特性和有載調壓變壓器對靜態電壓穩定性的影響,並通過靜態模擬法從物理現象上研究了電壓失穩和電壓崩潰現象,最後針對這些現象給出了關于電壓穩定、以及電壓崩潰的本質解釋。
  19. Steady - state simulation and performance comparison for an air - source heat pump system

    空氣源熱泵的穩態模擬及性能比較
  20. The main application is developed, which can manage activex controls and has some useful function such as steady - state simulation calculation, components matching and optimization etc. further more, an interface is introduced for user, through which user can add new activex control into the activex control library

    主調程序具有專門的介面,負責管理activex控制項的創建、顯示和功能調用。在控制項的支持下,主調程序能夠完成汽車空調系統穩態模擬、匹配和優化等功能。此外,主調程序還具有較強的智能性、可控性、開放性以及可操作性。
分享友人