載荷預測 的英文怎麼說

中文拼音 [zǎi]
載荷預測 英文
loading prediction
  • : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • : 荷名詞(蓮) lotus
  • : Ⅰ副詞(預先; 事先) in advance; beforehand Ⅱ動詞(參與) take part in
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • 載荷 : load; loading載荷變化 load fluctuation; variation in load; 載荷裝置 load device
  • 預測 : calculate; forecast; prognosis; divine; forecasting; foreshadowing; predetermination
  1. By using this method, we could make the extended testin and controling system to satisfy the real - time requriement of application. this article is based on the research of " the helicopter ' s aviating load - data harmonized loading and sampling technology ". we studied the question of real - time in the helicopter ' s aviating load - data sampling system, and finally realized the real - time extension of the system which based on windows2000 to improve the real - time performance of the system

    本文結合中航二集團「十五」研課題( 41801100101 ) ? 「直升機飛行數字化協調加及數據採集技術研究」 ,對數據採集系統中的實時性問題和實時擴展技術展開深入研究,最終實現了基於windows2000控系統的實時擴展,並將其應用於實際的採集系統研製和開發中。
  2. 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模型的基礎上,引入頻率影響因子,對低周、高低周復合作用下的燕尾榫聯接結構進行了微動疲勞壽命的,與試驗結果對比表明採用本文提出的方法榫聯接結構的微動疲勞壽命是有效的。
  3. Since the preload and the friction moment of the geminate bearing are dominating factors affecting the performance of the navigation platform frame system, based on theoretical study on the control methods of bearing ' s preloads and frictional moment, the paper puts forward a method to control the preload of the twin bearings accurately. moreover, a multifunctional test apparatus of the navigation platform bearing is designed, and a lot of experiments of bearing ' s rigidity and friction moment and preload assessment are done

    考慮到成對軸承和摩擦力矩是影響導航平臺框架系統性能的主要因素,本論文對成對軸承及摩擦力矩控制技術進行了理論研究,提出了一種精確控製成對軸承的配對方法,設計了導航平臺軸承多功能試儀,並對導航平臺軸承的剛度、摩擦力矩和評定技術進行了試驗研究。
  4. To overcome the shortage, in this paper, the time parametert is introduced into the structural resistance and load model, and it makes the calculation of the dynamic reliability available. 2

    本文在借鑒前人研究成果的基礎上,在結構抗力模型和模型中引入了時間參數t ,提出了一個簡單、實用的動態可靠度計算方法,為後文的可靠性評定,壽命奠定了基礎。
  5. Here we obtain the strain compatibility method ande equilibrium of forces and concepts of fracture mechanincs, they can be used to predict the ultimats strength in flexure that can be achieved by such elements, given the cfrp cross - sectional area, or conversely, the required cfrp cross - sectional area to achieve a targeted resisting moment of rehabilitated flexureal elements

    Cfrp加固梁在承受彎曲時的破壞是鋼筋屈服后碳纖維斷裂和鋼筋屈服后混凝土壓碎。本文通過應變相容方法和對破壞機理的定義,由給定的cfrp橫截面積加固梁的極限彎曲強度;或者相反,在已知加固梁的極限彎曲強度時可以求出所需的cfrp橫截面積。
  6. Moreover, there are drawbacks like difficulties in stimulation, complexity of calculation and heavy work in all these models because of many other factors. for example, the complexity of the dam structure, difficulties in measuring the physical and mechanical parameters of building materials and subgrade soil, stimulating the geologic structure of subgrade, predicting effects of loads, construction and environment on the dam and so on

    此外,由於大壩結構復雜,建築材料和地基巖土的物理力學指標難以定,復雜地基的地質構造還很難模擬,、施工及環境因素對水工建築物的影響還很難準確,應用各種模型都存在著模擬困難、計算復雜、工作量大等不足。
  7. The performance of next generation maneuverable missile was predicted by taking into account its important parameters such as lift to drag ratio, empty weight to total weight ratio and effective load

    在考慮導彈空重、有效和氣動特性的情況下,了未來先進飛航導彈的性能。
  8. Due to the success in yantan project, the similar method are applied in three gorges project, the maximal potential vibration excitated by hydraulic disturbance of hydrogenerator set in three gorges hydropower house are estimated

    在此基礎上將本文方法應用於三峽工程,對三峽廠房在機組垂直動作用下的最大可能振動作了計算
  9. This paper analyzes the character of the transformer load and presents the control means to reduce the comprehensive power loss to minimum by controlling the transformer operation status, which forecasts the daily load of transformer by periodical auto - regression model ( par ) and divides the daily flow line automatically into two typical phases. then, this paper simulates the par by matlab. at last, a real intelligent control device based on the ti ’ s tms320lf2407 dsp has been completed

    論文分析了配電變壓器的負特點;提出採用周期自回歸模型配電站用電日負,根據負結果和用電時段,以綜合功率損耗最小為目的變壓器經濟運行控制方法;以ti公司的tms320lf2407dsp為基礎,完成了配電站變壓器經濟運行智能監控裝置的研製。
  10. With the material dynamic constitutive equation including damage and the effect of stain rate the predictable formula about ballistic limit velocity of fiber composite target. secondly based on the damage feature about ceramic / fiber composite target caused by impact load, analysis model about defense performance of ceramic / composite material target is formed and the predictable formula about ballistic limit velocity is also given. lastly using the reflection and projectile theory of stress wave the paper discusses the design of ceramic / composite material target, optimizes the design of double layer ceramic / composite targets, gains optimal coefficient under certain area density and discusses the variety relationship of area density and thickness with optimal coefficient u nder some ballistic limit velocity 3

    首先,分析了纖維類正交鋪層復合靶板在沖擊作用下的損傷破壞機理,結合包含損傷和應變率效應的材料動態本構方程,建立了纖維復合材料板彈道極限速度的公式;其次,根據陶瓷/纖維材料復合靶板在沖擊下的破壞特點,建立了陶瓷/復合材料靶板抗彈性能分析模型,給出了彈道極限速度公式;最後,利用應力波反射和透射理論討論了陶瓷/復合材料靶板的設計問題,對雙層陶瓷復合靶板的優化設計進行了分析,給出了在一定面密度下的最佳優化系數,討論了一定彈道極限速度下的面密度和厚度隨優化系數的變化關系。
  11. All of the researches are carried out on the background of a spatial continuous beam - arch composite bridges, and the relative loading experimental results are compared with the calculated values. it indicates that the theory of elastically supported continuous beam method load lateral distribution is a kind of simple convenience and safe practical engineering calculation method. 2 ) the suspender force and correlated modality is analyzed with the use of general calculation program ansys. during testing suspender force, the influence of the rigidity of suspender must be considered

    在此基礎上,以一座實際的應力混凝土連續梁拱組合體系橋梁為工程背景,採用一般的試驗研究方法對該橋進行了試驗研究,並將有關的試驗結果與理論計算值作了比較,結果表明:所提出的彈性支承連續梁法計算值,與空間有限元分析理論值及試驗試值基本吻合。
  12. Various previous methods after the loading is constant are summarized and classified into two categories : semi - math methods and pure - math methods, the common and difference among these methods is discussed. then, by analyzing the characteristics of the process of the foundation settlement, the model for predicting foundation settlement based on " law of massaction " is put forward. this paper relies on the research of the section of the soft foundation of the shen zhen bay

    本文總結了以往穩定后的沉降方法,將其劃分為半數學方法與純數學方法,尋找各方法相互之間的聯系;其次區別于傳統沉降方法的研究途徑,從沉降過程的發展特徵出發,根據描述物理化學反應過程發展特徵的質量作用定律原理,探討了地基沉降的「質量作用定律」模型。
  13. Finally, the distribution discipline of the cyclic changing temperature damage factor under the conditions of low temperature through the equivalent assumption and energy equivalent model based on damage mechanics theory. the fatigue life of the 4cm depth sawed cracking road is obtained under the conditions of - 15 based on the shenyang - dalian highway. in this paper, the inhomogeniety of asphalt concrete resulting from temperature change is considered, when the influence of the temperature change on the semi - rigid asphalt pavement concrete is analyzed

    最後,基於損傷力學理論,通過等效應變假設原理和能量等價模型,得到低溫下循環變溫損傷因子的分佈規律,以沈陽?大連高速公路的鋸縫為工浙江大學博士學位論文廣義作用下道路與軟基共同作用研究王金昌2003年5月程背景,了4cm深的鋸縫在一巧路表變溫作用下的疲勞壽命。
  14. A progressive damage method of predicting the static strength and the fatigue life of mechanically fastened joints in fibre - reinforced plastics is established in the paper, which is based on the theory of unidirectional ply

    本文針對以上問題,首先以單層板理論為基礎,建立了層合板接頭靜拉伸及疲勞作用下三維逐漸損傷分析的強度和壽命方法。
  15. The damage parameter versus fatigue life figures, which were plotted based on the stress - strain analysis and test results, could be used to predict the fatigue lives of the composite with different winding angles

    根據雙軸條件下管狀試樣的應力-應變分析及雙軸疲勞實驗結果,繪制出了基於臨界平面的多軸損傷參量與疲勞壽命關系圖,可對不同纏繞角的復合材料疲勞壽命進行
  16. Third, mensurated the front axle ' s load - time history when truck was running on general tar - paved roads, mountainous roads and the proving ground enhancement roads, second sampled and pretreated to the load - time history with rpc software of mts corporation, acquired the relationship of the frequence of the mean and amplitude load, obtained the zero mean equivalent loads using goodman experiential fatigue equation, acquired the weibull distributing functions of equivalent loads of respective roads

    第三,定了汽車前橋在一般瀝青公路、山區公路和試驗場強化試驗路面的時間歷程。對時間歷程進行了二次采樣和數據處理。採用雨流計數法得到了各路面的均、幅值的頻次關系,並根據goodman經驗疲勞公式,得到了零均值的等效及相應的頻次。
  17. Starting from studying various environmental loads during the ship undocking process, an environmental loads calculation model and the environmental loads testing methods are established in this dissertation utilizing the orthogonal design theory. this dissertation also analyzes the impacts of the environmental loads at various ship undocking conditions. utilizing the current optimization technique and fuzzy evaluation method, this dissertation creatively studies the tug configuration mechanism and the ship motion simulation forecasting during the ship undocking process

    本文從探索船舶出塢過程中的各種環境條件出發,利用正交設計理論制定了一套船舶出塢過程的環境計算模型和環境試驗試方法,分析了在不同的出塢環境條件中,作用於船舶的環境對船舶出塢的影響程度,利用目前的優化技術和模糊評價方法,率先研究和探討了船舶出塢過程中,拖輪配置機理、拖輪配置數量和方法,以及船舶出塢過程的運動模擬報,還討論了擋水板對船舶出塢影響這一特殊問題。
  18. The precise fe model was used to predict the factors of load - carrying capacity of the controlled sections of the box - girder, by selecting some important factors which can affect the load - carrying capacity, such as the area of cables, stiffness of expanding joints, elastic modulus of concrete, and the amount of living load, to simulate the several possible damages of the bridge in service in the future

    ( 3 )該橋在運營四年後,索力、撓度、應力與主塔偏位都在設計允許的范圍內,大橋依然具備通行設計汽車的能力。 ( 4 )對該橋承力的分析表明:在所分析的可能損傷狀態下,拉索具有足夠的安全系數,損傷對控制截面的承能力系數影響較大。
  19. This paper mainly discusses a control method of substation voltage and reactive power. in order to get suitable decision for one day 24 hours tap - transformer ' s step switch and shunt capacitor switch, an approach of substation voltage and reactive power control on the basis of the combination of artificial neural network ( ann ) reactive power forecasting and evolutionary programming optimal decision - making is put forward

    論文主要研究變電站的電壓/無功控制決策問題,為了確定一天24小時內合適的有調壓變壓器分接頭位置和並聯電容器投切狀態,提出一種基於人工神經網路的無功負和進化規劃優化決策相結合的變電站電壓和無功的綜合控制決策。
  20. Neural networks technology is applied to build the complex non - linear relationship between the anti - shear capacities of the reinforced concrete abnormal joints under low reversed cyclic loading and the main factors. back propagation neural networks model are build to predict the anti - crack capacity and bearing capacity. 3

    利用神經網路方法研究了低周反復作用下的鋼筋混凝土框架異型節點抗剪承力與各主要影響因素之間復雜的非線性關系,並利用bp神經網路分別建立了該節點的抗裂承模型以及抗剪極限承模型; 3
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