ventilation network 中文意思是什麼

ventilation network 解釋
礦井通風系統
  • ventilation : n. 1. 通風,換氣(法);通風裝置。2. 發泄,發表;(問題的)公開討論;訴諸輿論。
  • network : n. 1. 網眼織物。2. (鐵路、河道等的)網狀系統,網狀組織,廣播網,電視網,廣播[電視]聯播公司。3. 【無線電】網路,電路。4. 【計算機】電腦網路,網。
  1. In this paper, based on the method of boolean manipulation and minimization algorithm in the independence minimal path sets, and applied reliability engineering theory, a new method is proposed for calculating reliability of mine ventilation network system

    摘要運用可靠性工程理論及不交型積之和定律,在大型網路系統可靠度計算的基礎上,提出了礦井通風網路系統最大線性無關最小獨立路集予以真子集滌除的不交化可靠度計算的實現方法。
  2. The living example analysis shows that the two results are not only equal according to the full probability formula and deleting truth subsets in the calculation of system reliability for mine ventilation network based on boolean manipulation and minimization algorithm in the independence minimal path sets, but also it is fewer to possess boolean manipulations in the calculation and the calculating program is simplified greatly to the method of boolean manipulation and minimization algorithm in the independence minimal path sets

    實例分析表明:採用升序排列的最小獨立路集並按不交型積之和定理予以真子集滌除的不交化處理后,不僅計算值等同於一般網路分析中用全概率公式計算的礦井通風網路系統可靠度,而且,計算工作量大為簡化。
  3. Abstract : to summarize the basic reason of energy conservation in metal mine ventilation. to describe the main technical measures in energy conservation in ventilation, which include optimization of ventilation network, renewing and reasonable disposing ventilating dynamic force device and maintaining and disposing ventilating installation

    文摘:概述了金屬礦山通風能耗高的根本原因,論述了金屬礦山通風節能的技術途徑,主要方法有優化通風網路、更新及合理配置通風動力設備和通風構築物的合理設置及維護。
  4. Calculation of total ventilation resistance of mine y - diagonal ventilation network

    礦井角聯通風網路總風阻的計算
  5. A qualitative analysis and computer simulations show that airflow reversal can occur in a non - diagonal airway parallel to the airway on fire in a horizontal ventilation network due to the pressure increase induced by cooling of fume in the airway connected in parallel to the non - diagonal airway but in series with the one on fire

    摘要通過定性分析和計算機模擬發現:在水平網路火災中,非角聯旁側分支也能發生風流逆轉,引起逆轉的動力是與該分支並聯但與著火分支串聯的分支中的冷抽力。
  6. Avoiding the use of mathematic models, the fuzzy logical control ( flc ) system meets the control demands of the tunnel ventilation process well which is a nonlinear distribution system. but because of its lacking of learning and adaptive ability, many problems has emerged when using flc : the membership functions of the fuzzy variables cannot be changed, the fuzzy logical rules cannot be modified automatically when environmental variables such as traffic model, average exhaust, etc, are changed. for this reason, the paper uses fuzzy neural network control ( fnnc ) system to improve the control process

    模糊控制系統避開了數學模型,能很好適應公路隧道通風系統非線性和分散式參數特徵,但是模糊控制系統本身的學習和適應能力差,導致了模糊變量各語言值隸屬函數和控制規則不能隨著環境參數(如交通量、基準排放量等)的改變而自動調整和修改等問題,本文將具有強大學習能力的神經網路融合到模糊控制系統中,研究和探討了隧道通風模糊神經控制方法。
  7. The paper involves the research of the application of neural - fuzzy control method to the road tunnel longitudinal ventilation system : by learning the sample data, the neural network automatically produces the membership functions and the control rules, subsequently, the fuzzy control model is easily established ; the distribution of pollutant and the fan operation is simulated under the varies traffic flow circumstances, the simulation results show that the longitudinal jet ventilation in medium - length and long road tunnels can be effectively controlled with the application of above method

    本文提出了建立公路隧道縱向通風神經模糊控制系統的一般方法,利用神經網路學習樣本數據,自動提取建立模糊控制模型的隸屬函數和控制規則,通過模擬模擬各種交通狀況下的污染物分佈和風機運行情況,結果表明此方法對中長隧道全射流縱向通風具有良好的控制效果。
  8. Planning of near - shaft network of west ventilation shaft in xinii coal mine

    新集礦西風井近井網的布設
  9. This study is based on topology of mine ventilation network, after research on the relationships of the connection types among the tunnels, a new method is used which uses fixed view device width double line to express mine ventilation system graph and the tunnel ' s coordinates of double line is computed automatically for the first time

    摘要基於通風系統圖上通風網路拓撲關系自動建立的基礎上,系統地研究礦井通風系統圖巷道連接關系,提出並實現用固定顯示設備寬度雙線表示巷道,雙線座標自動計算。
  10. Application and computing method for mine ventilation network

    礦井通風網路計算方法及應用
  11. The development of visual calculating program for mine ventilation network

    礦井通風網路解算程序的可視化實現
  12. Study of the characteristic drawing of the mine - shaft ventilation network of jinchuan mine

    金川礦井風網特徵圖的研究
  13. The paper firstly combined the aerodynamic model, pollutant model, traffic model and the optimal operating fans selection model and then established the sample data gaining program to produce the optimal sample data ; secondly, the multi - layer forward neural network and the fuzzy control is combined within an equivalent structure, after the learning of sample data, the neural - fuzzy control system for the road tunnel longitudinal ventilation is produced ; thirdly, the optimal operating fans selection model is replaced by the fuzzy control model to make the tunnel ventilation simulation program, and then the control results under different traffic flow circumstances are evaluated in the matlab environment ; finally, the adaptive ability of the neural - fuzzy control system is discussed

    本文首先結合空氣動力學模型、污染模型、交通模型和最優風機開啟臺數選擇模型建立樣本數據獲取程序,利用該程序產生不同交通流下的最優樣本數據;然後,將多層前向神經網路與模糊控制進行結構等價型融合,通過學習最優樣本數據,建立公路隧道縱向通風神經模糊控制系統;之後,用此模糊控制模型替代最優風機開啟臺數選擇模型建立基於模糊控制的隧道通風模擬程序,在matlab下模擬模擬不同交通流下的隧道通風以測評控制效果;最後,對神經模糊控制系統的適應性進行了討論。
  14. Ventilation at one end of vault is accustomed used in main workshop of underground hydropower station, the flux uniformity of the outlet influences how the basic network cell model - - - - blast vault should be established in network simulation

    地下電站主廠房常採用拱頂一端送風進行送風,其各個風口的送風均勻性直接關繫到主廠房送風拱頂這一網路基元在網路模型中應如何圖化。
  15. Finally, through simulating many ventilation conditions, a new tunnel ventilation control method based on neural network model is developed, which can be used in the field tunnel ventilation project

    最後對在多種工況模擬的基礎上,提出了一套能在現場應用的基於神經網路模型的隧道通風控制方法,並應用於實際的隧道通風工程中。
  16. On the basis of the method of boolean manipulation and minimization algorithm, when the independence minimal path sets is arranged by sort ascending according to the mine ventilation network branches, the calculation capacity of the middle course still can reducing further, and thus the optimum effect of boolean manipulation and minimization algorithm is achieved to calculating reliability of mine ventilation network system

    根據不交化可靠度計演算法,當最小獨立路集按所含網路分支的多少進行升序排列時,還可進一步減少中間過程的計算量,從而達到最佳不交化簡化計算的效果。
  17. Application of computer soft - ware system in numeral model for stope ventilation control network

    礦井通風網路數據模型計算機軟體系統的應用
  18. Abstract : in application of network topologic method, the thesis calculates the distribution of 3 - dimensional steady - state temperature field in the stator of axial - ventilation synchronous generator

    文摘:應用網路拓撲法求解了軸向通風同步發電機定子的三維溫度分佈。
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