load prediction 中文意思是什麼

load prediction 解釋
負荷估計
  • load : n 1 裝載,擔子;負擔;工作(負荷)量。2 (車船等的)裝載量;一馱,一車,一飛機。3 【電、機】(機...
  • prediction : n. 1. 預言,預告。2. 被預言的事物。3. 【氣象學】預測,預報。
  1. First, the theory of fretting wear and studies on fretting fatigue were introduced and the parametric method was used in the process of creating the model of dovetail joints in ug software. the elastic contact problem is analyzed in finite element method ( fem ) and is used to the parameters " distribution and contact stress of the joint are obtained on the base of ansys code. with the effect factor of load frequency, the prediction method of fretting fatigue life of dovetail joint under low and high / low cycle complex load is proposed

    本文介紹了微動損傷的機理和微動疲勞壽命的研究方法;利用ug軟體對燕尾榫聯接結構創建了參數化實體模型;基於ansys軟體平臺求解彈性接觸問題,獲得了榫聯接結構接觸應力及接觸狀態量的分佈;在已有微動疲勞壽命預測模型的基礎上,引入載荷頻率影響因子,對低周、高低周復合載荷作用下的燕尾榫聯接結構進行了微動疲勞壽命的預測,與試驗結果對比表明採用本文提出的方法預測榫聯接結構的微動疲勞壽命是有效的。
  2. Then, mre reaches 3. 21 % for workday and 5. 96 % for holiday. a unique next 24 hours hourly cooling load prediction ann model is established

    對工作日負荷預測,其平均預測誤差是3 . 21 ;對假日負荷,其平均預測誤差是5 . 96 。
  3. Theoretical prediction and orthogonal experiments analysis on the drawing load of cup - drawing

    杯形件拉深力的理論預測與正交試驗分析
  4. Grey prediction of mid - longterm city gas load forecasting

    城市燃氣中長期負荷的灰色預測
  5. To make the prediction values with independence of the general trend, which is changed from year to year, the load data are transformed by profiles, mean value, and variance. sofm is used for the prediction of profiles and mlp networks for prediction of daily mean and daily variance. at a result, load forecasting for 24 hours in a day can be gotten

    為使預測值不受負荷逐年變化這一趨勢的影響,把負荷數據變換為特徵、均值和方差的形式,利用白組織競爭網路預測負荷的特徵,然後利用多層感知器網路預測負荷的日均值和方差,最終實現對一大24小時負荷的預測。
  6. After studying the prediction method and considering the complex, random and nonlinear factors that affect the demand load of heating, the ann technology is adopted. different from the general analysis in technology and economy, it is for the first time to combine the prediction in method of artificial neutral network with optimization in use of dynamic planning principle for the running analysis of the electric boiler

    考慮到影響供熱採暖需求負荷的因素復雜且具有隨機性和非線形性,在對預測理論進行研究和對各種預測方法進行比較后,本文首次將基於人工神經網路的負荷預測與基於動態規劃原理的優化方法相結合,用於蓄熱式電鍋爐系統的經濟運行策略研究。
  7. Mae of hourly load prediction reduced to 65. 07kwh and eep reduced to 2. 60 %. this kind of model has not been reported by literature. a cost - minimum model for ice storage system is established and numerical calculation is carried out

    建立了空調逐時負荷的24小時提前預測多點輸出動態模型,更進一步提高了負荷預測的精度,使得逐時負荷預測平均絕對誤差降低到了65 . 07kwh ,期望相對誤差降低到了2 . 60 。
  8. It includes : solving " excess attempt " and " defective attempt " of agc by load prediction in extraordinary shot time, that is preceding control technique ; ( 2 ) enhancing the regulating capacity and speed of agc of chongqing network by 5 measure ; analyzing the policymaking that chongqing network could achieve criterion now or after three gorges power station running, discussing the managing measure how to enhance regulating capability of agc of chongqing network

    其中包括:利用超短期負荷預報解決agc 「過調」和「欠調」問題的超前控制技術;以5種實現方式提高重慶電網agc可調量和調節速度;探討了當前和在三峽電站投運后重慶電網達到考核標準的對策,討論了從管理上提高重慶電網agc調節性能的辦法和措施。
  9. So, the research of hourly meteorological parameters and cooling load prediction is a must

    因此,必須進行逐時室外氣象參數和冷負荷的預測研究。
  10. 6. since the error in both the meteorological parameters and cooling load prediction is unavoidable, the online correction of prediction and offline optimization results is needed

    無論是氣象參數預測,還是冷負荷的預測總難免出現偏差,這就需要對短期預測和離線優化結果進行在線修正。
  11. By incorporating the power sources location and load prediction results in the energy utilizing proposal, a balance for the power volume needed by 3 counties in the area in three " five - year plans " period is also made, the result of which indicates that, it can meet the power demand required by the social - economic development in the region in next three " five - year plans " if the water power resources are rationally planned and developed and then a comprehensive energy utilizing proposal by combining solar and winding energy together

    並結合區內電源點分佈和負荷預測結果,進行了各縣三個五年計劃期間的電力電量平衡。得到了相應的結論。基於對風能、光能和水能資源開發各自特點的分析,文中進一步對多能互補系統進行了較深入的研究,明確了在阿里地區特定的自然條件下,採用風光互補抽水蓄能開發方式的合理性及可行性。
  12. In the deregulated power market , the power grid operator is facing many uncertainty and risks risk concept , risk analysis approach and risk management are introduced in chapter ii , the maj or risks of grid operators is analyzed and evaluated in details based on the real situation and data of yueyang city, hunan province , the economic risk resulting from the uncertainty of load prediction of whole system , generation capacity and parallel quantity of the large enterprises self - owned power plant are analyzed meanwhile , the increase of large enterprises self - owned power plant may cause economic and security risks considering different risk , the qualitmive and quantitative approaches are respectively adopted the direct and indirect congestion risks are evaluated based on probabilistic theory and decision theory the retail pricing and trade modes are major areas embracing risks as well chapter iii divides the risks in internal and external ones based on the characteristics of risk and put forward the layered risk management approach

    詳細分析和論述了電網經營企業面臨的各種風險。基於湖南省岳陽地區電力市場的實際情況和多年歷史數據,採用定性分析和定量計算的手段具體分析了負荷、自備電廠發電量和上網電量預測不確定性以及自備電廠的大量增加給電網企業帶來的經濟性風險和安全性風險。無論是長期還是短期,阻塞不僅會對電網造成直接風險,還可能造成間接風險。
  13. As the ratio of peak samples to total training samples is low, the prediction accuracy of peak load is poor when applying support vector machine ( svm ) model to predict a periodical load

    在應用svm模型于具有周期性負荷的預測時,由於在訓練樣本中峰值或谷值樣本所佔比例很少,從而導致峰值荷載預測精度不高。
  14. The essay combines the power system prediction, mathematical build modular technology and computer technology together and thoroughly and systematically makes an analysis, thus the software functions designed can meet the needs of power system load prediction

    論文將電力系統負荷預測分析、數學建模技術、計算機技術有機結合,進行了深入、系統地分析。所設計的軟體功能較好地滿足了電力系統負荷預測的需求。
  15. According to the research results from som model, 8 sub neural network is adopted in inner and mae of hourly cooling load prediction is reduced 80. 64kwh. expected error percentage ( eep ) is reduced to 3. 27 %. next 24 hours hourly cooling load prediction multi - output dynamic model is established and prediction accuracy is improved again

    建立了一個統一的空調逐時負荷的24小時提前人工神經網路預測模型,並根據對日冷負荷類型的som分類結果,通過在內部一共採用8個子神經網路模型使得逐時負荷預測平均絕對誤差降低到了80 . 64kwh ,期望相對誤差降低到了3 . 27 。
  16. A method of co - simulation based fatigue life prediction was put forward to resolve the problems of parts operating mechanism analysis, such as load - time - history extracting

    摘要針對運動機構部件多軸疲勞載荷歷程提取困難等問題,提出了基於聯合模擬的疲勞壽命預測方法。
  17. Based on 9 years ' field data of bed - load transport and the corresponding hydraulic parameters at the erwangmiao hydrology station on dujiangyan river, 6 formulae for the prediction of the sediment transport are analyzed

    摘要以都江堰二王廟水文站9年實測的卵石推移質輸沙率資料和對應的水力參數為基礎,選用6個有代表性的公式進行了分析計算和對比。
  18. Research on load prediction model of air condition system based on elman neural network

    型神經網路的空調負荷預測模型
  19. Considering the bad prediction of weather and economic data and the difficulty to obtain the data, it ’ s not feasible to contact the load with its influencing factors some times. in fact, the weather information of each month is correlative and be comprised load series

    由於氣象、經濟資料的不準確性,以及在季度負荷預測中的難以獲取性,因此將負荷的這些影響因素與負荷之間建立定量的關系有時是不可行的。
  20. This software includes five modules, i. e. the module of processing and importing historic data, load prediction model storehouse module, various types of load - predict module, prediction results outputting module, and the module of comparing between gas - storage ability and peak - shaving facility

    該軟體包括歷史數據處理及輸入模塊、負荷預測模型庫模塊、各類型負荷預測模塊、預測結果數據庫輸出模塊、調峰負荷與儲氣匹配比較等5個模塊。
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