約束條件方程 的英文怎麼說

中文拼音 [yāoshùtiáojiànfāngchéng]
約束條件方程 英文
constraining equation
  • : 約動詞[口語] (用秤稱) weigh
  • : Ⅰ動詞1 (捆; 系) bind; tie 2 (控制; 約束)control; restrain Ⅱ量詞(用於捆在一起的東西) bundle;...
  • : Ⅰ名詞1 (細長的樹枝) twig 2 (條子) slip; strip 3 (分項目的) item; article 4 (層次; 秩序; 條...
  • : Ⅰ量詞(用於個體事物) piece; article; item Ⅱ名詞1. (指可以一一計算的事物) 2. (文件) letter; correspondence; paper; document
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
  • 約束 : keep within bounds; restrain; bind; bound; boundage;tie; restraint; restriction; engagement; repr...
  • 條件 : 1. (客觀的因素) condition; term; factor 2. (提出的要求) requirement; prerequisite; qualification
  1. Considering the electrovalence, the curve of water consumption and the reliability of water supply, this paper respectively sets up the model based on the maximal flux and the model based on the expectation flux. it takes yearly expenditure converting value and yearly cistern converting value as target function and takes continuity equation, velocity of flow and compression resistance of cast iron pipeline as restrictions and sets up the pga model on optimal design of water supply networks

    考慮到峰谷電價、用水量變化曲線及用水可靠性因素的影響,分別建立了以最高時流量設計管網的模型和以期望時流量設計管網的模型,以年費用折算值加上清水池年造價折算值為目標函數,以連續性、管中流速和鑄鐵管耐壓值等為,進行并行遺傳演算法對給水管網優化設計的實現。
  2. The theory of minimum entropy production or minimum rate of energy dissipation shows that a river is stable when it is in a relative equilibrium condition. ( 3 ) the river facies formulas of alluvial river have been developed using the theory of minimum rate of energy dissipation together with flow continuity and motion equations, suspended load transport or bed load transport equation. ( 4 ) the causes of the river patterns are explained using the theory of minimum rate of energy dissipation

    ( 3 )基於最小能耗率原理,以水流能耗率作為目標函數,以水流連續、水流運動及懸移質挾沙力公式或推移質輸沙率公式作為,通過對目標函數求極值,分別推導出以懸移質造床為主的顯式河相關系式和以推移質造床為主的顯式河相關系式。
  3. This thesis gives a brief account of the basic theories of software engineering and computer graphics, of the data structure of individual component modeling, of the design of the software structure and of the method of realizing software. meanwhile, this thesis put more emphasis on the exploration of the arithmetic of the delaunay triangle network, nurbs curve integration, the filling - in arithmetic of triple - tree, and the arithmetic based on the scan - line arithmetic and the filling - in of complex section

    文章介紹了關于軟體工學與計算機圖形學的基本理論及其各組模型的數據結構、軟體結構設計與軟體實現的技術法,並重點討論了基於的delaunay三角網格化演算法、 nurbs (非均勻有理b樣)曲面擬合、三叉樹等值線填充演算法和基於掃描線的復雜剖面填充演算法。
  4. The results and conclusions are helpful and valuable for the soil nailing bracing. in the case study of deep foundation pit of dalian zhongyin mansion, the discussions are emphasized on how to analyze and modify the previous design according to practical engineering geological conditions, periphery surroundings and the construction organization process and others. furthermore, optimization of bracing design for the project is done considering construction technology and urgent measures

    綜合考慮實際地質、周邊環境、施工組織過序等多面,對原有支護設計案進行了分析與修改,並進行了優化設計,其中考慮了施工工藝、應急處理措施等面;並由此進一步表明了深基坑工中動態設計與信息化施工的重要性。
  5. Data procession and analyzing, the paper first use regression analysis model to analyze the relationship between economic benefit and land use structure, ecological benefit and land use structure. then, the paper based on the results, use mathematical of multi - objective programming to determine the land use structure in the hilly countryside of sichuan. lastly, the paper analyzed the laws of land use structure optimization in the different relevance of economic county

    本文以四川丘陵區各典型丘陵區縣為例,在土地利用結構最優思想的指導下,通過數據的收集、整理與分析,首先採用回歸分析的法,分析了該區的經濟、生態效益與土地利用結構的相關性,然後以回歸分析所得的回歸系數為效益系數,在不同經濟發達度的區域,各選取三個區縣,以經濟、生態效益最優為目標,以社會,建立多目標規劃模型,得出該區縣的土地利用優化結構。
  6. With the experiment part, the errors of sk - 21 nc machine tool have been measured, and a serial of data is gotten which lead to the error discrimination. ( 3 ) based on the kinematical theory of mbs, the calculation methods for the ideal center envelop curve of grinding wheel on cam grinding, the practical cutter track, inverse contour of cam, ideal nc instructions, precision nc instructions, the inner / outer normal and the fitting criterion of curve have been all discussed in detail in this paper

    ( 3 )通過精密加工的約束條件方程,探討理想刀具路線、逆變數控指令與實際刀具軌跡之間的映射關系,解決誤差補償技術提高加工精度的核心問題? ?當要求數控磨床的砂輪中心準確到達給定的理想點時,精密數控指令值究竟該是多少,如何能夠通過計算,獲得這樣的數控指令值,給出經修正的數控指令計算法。
  7. On the basis of solving ballistic equation in real - time, the authors solved the unified calculation problem of non - flat trajectory comprehensive coefficient under the condition of strong constraint, found the estimating method of flat trajectory comprehensive coefficient, carried out the generalized design of solving trajectory model in real - time, and given a program flawchart

    摘要根據基於彈道的實時解算演算法,解決了強下非低伸彈種彈道綜合系數的統一計算問題,找出低伸彈種彈道綜合系數的估計法,進行了彈道實時解算模型的通用化設計,給出了序流並進行了測試。
  8. So it is proved that the working model is right, and on the basis, the influences of the compression ratio and fuel injection advance angle on the diesel engine ' s combustion performance are studied. ( 2 ) energy resource and environment protection are two important problems that diesel engine is faced with. so in this paper the constrained optimization is studied in order to decrease fuel consumption within the limitation of the regulation on exhaust emission and power output

    ( 2 )能源和環境保護是柴油機存在和發展的兩大問題,因此本文在滿足排放法規及柴油機動力性的基礎上,以降低油耗為主要研究目標,進行有的優化計算,並提出了一種新的柴油機工作過優化計算法? ?非線性回歸?網格法。
  9. The assembly sequence planning method is presented, where the assembly information model is established with the polychromatic sets, and the assembly constrains relations are divided into three kinds, locating relation, obstructing - disassembly relation, and junction relation, to form an assembly - constrains - relation matrix, and to present assembly planning sequences generation algorithm

    摘要在新的裝配序列規劃法中,採用多色集合建立了裝配信息模型,把裝配關系分為定位關系、阻礙拆卸關系和聯接關系,建立了裝配關系定位、阻礙拆卸和聯接關系,用數學表示零的裝配,同時提出了求取零裝配序列的演算法。
  10. Also, the author ’ s design strategy and creativity has been given in this paper. specifically, it includes : based on the feasibility analysis of the fit selection of control parameters in the aeration process, the aeration process of wastewater treatment of the joint - constructional complete - mixed activated sludge process has been aimed at in this paper. then, the state equations of the aeration process have been proposed in this paper, which is on the base of dissolved oxygen concentration ( do ) and discharge quantity of sludge ( qw ) as control variables, the concentration of bod and sludge as state variables. based on the present study on optimization control of wastewater treatment, the multivariable optimal control model with restriction factor has been presented in the paper with introducing modern control theory and system analysis into the field of activated sludge wastewater treatment,

    具體包括:以完全混合、表面曝氣合建式活性污泥工藝的污水處理曝氣過為研究對象,在闡述了曝氣過式控制制參數選取可行性的基礎上,建立了以溶解氧濃度do和活性污泥排放量qw為控制變量,以曝氣池中有機物濃度s和微生物濃度x為狀態變量的活性污泥曝氣過的基本狀態;運用現代控制理論的觀點和污水處理理論,在現有關于污水處理最優控制問題研究的基礎上,建立了有多變量能耗最小數學模型,該數學模型是以有機物排放總量和狀態變量的末值作為,曝氣過的能耗最小作為目標泛函;採用增廣拉格朗日乘子法對最優控制問題進行轉化,並對應用極大值原理求解能耗最小這一最優控制問題進行了詳細的解析;引入運算元,應用具有控制的共軛梯度演算法對能耗最小這一最優控制問題進行求解,並進行模擬實驗驗證。
  11. When analyzing skew support continuous curved box girder bridge, curved grid girder analyzing method considering warping effect is applied. matrix displacement method is applied in analyzing skew support continuous curved thin - walled box girder bridge with restrained bearing. in order to convert original rigidity equations to structural rigidi ty equations that can be solved, bearing nodal displacement matrix can be introduced, then unknown quantities at the edge of beams can be consistent with the restrained directions of skew bearings, unit rigidity matrix and unit nodal forces can be gained. structural rigidity matrix can be composed according to matrix displacement method, so nodal displacements and inner forces on the end of the rod that are unknown can be gained calculating equations of inner forces on any cross - section can be solved

    分析斜支承連續曲線箱梁橋時,採用考慮翹曲作用的曲線格子梁分析法,應用矩陣位移法對具有支承形式的斜支承連續曲線薄壁箱梁橋進行分析,考慮到支座的並不與梁端彎曲角位移和扭轉角位移的向一致,引入支座節點坐標矩陣,使得梁端的位移未知量與斜支座向一致,來計算單元剛度矩陣和單元節點力,然後按照矩陣位移法組集總剛並建立結構剛度,根據結構剛度即可求解未知的節點位移及桿端力,推導出任意截面處的內力計算公式。
  12. This paper deals with seismic response of a tunnel - soil system immersed tunnel , as an underground structure , must be compatible with the deformation of the surrounding soil thus the simplified model for a tunnel - soil system is established through two steps at the first step , an mdof system is developed for modeling the foundation soil to this end , dynamic behavior of the foundation soil is analyzed a typical section of the foundation soil simplified as a single mass - spring system on the basis of some equivalent criteria those mass are linked longitudinally by elastic springs to form an mdof system at the second step , the tunnel is treated as a beam on elastic foundation ; that is , the tunnel is connected with the soil massed to form a tunnel - soil system this model has been applied to the seismic analysis of huangsha fangcun immersed tunnel across the pearl river in guangzhou design recommendation is proposed on the basis of this analysis

    研究沉管隧道在地震下整體受力的分析法分兩步建立計算模型第一步通過分析場地地基土切片的動力特性,根據等效原則將其化為等效單質點體系,然後在縱向用等效彈簧連接而成為多質點體系的地基土計算模型;第二步將隧道看作彈性地基梁與上述多質點體系通過等效彈簧連結而得到土隧道體系的計算模型本文結合廣州黃沙芳村珠江水下隧道工實例建立了具體的計算模型並對多種不同的,進行了縱向與橫向地震響應時分析,為該隧道的抗震設計提供依據
  13. The slope geometry is variable quantities, and the reliable safety and reliability are main limiting factors. according to the above factors, a optimized model for designing high loess slope is established. this model ' s concept is precise, and its physical meaning is confirm, people who do designing work can see this model as a means

    最後,為了使邊坡設計獲得最佳工效果,本文在崔政權建立的優化公式: c = a + pf ? b的基礎上,全面考慮施工造價和風險造價,運用數學原理和優化理論,用費用?效益分析法,以最小總期望造價為目標函數;以坡型、坡比為設計變量,以安全可靠為主要,建立了黃土高邊坡的優化模型。
  14. Focusing on the effects of decreasing toll on traffic flow and system cost, this paper deals with the cost evolution models by dynamically analyzing the cost and demand

    在對成本和需求進行動態分析的基礎上,建立了系統交通成本的演化組,推導出邊際需求對交通流速度的
  15. Compared with a delta wing aircraft, the double - delta wing configuration has better aerodynamic performance at high angles of attack. an operational analysis was introduced as a method for evaluating training effectiveness of trainer aircraft. approaches to the engineering estimation of aerodynamic characteristics for aircraft with a double - delta wing configuration were studied, and the procedures for determining aircraft performance indices formulated. taking training effectiveness as the objective function and geometric parameters of the wing platform as design variables, through a numerical multivariate optimization arithmetic, the conceptual design optimization for a certain fighter trainer aircraft with double - delta wing configuration was carried out under the constraints of tactical and technical requirements and interrelated geometry. agreement of a calculation example with engineering practice indicates that the optimal design has higher training effectiveness than the baseline design, and in addition, improves the structural force - bearing conditions

    雙三角翼氣動布局比三角翼飛機具有更好的大攻角空氣動力特性.引入了評估教練機訓練效能的作戰分析法,研究了雙三角機翼布局飛機空氣動力特性的工計算途徑以及飛機性能指標的確定法.以訓練效能作為目標函數並選取機翼平面形狀的幾何參數為設計變量,採用多變量數值尋優法,在戰術技術指標及相關幾何下,對某高級教練機的雙三角機翼氣動布局案進行了優化選擇.算例表明最優案不僅比原準案具有更高的訓練效能,還改善了結構的受力情況,與工實踐吻合
  16. To avoid high frequency oscillation in the course of autopilot design, damping coefficient value was treated as a constraint, the rise time was taken as objective, and the other performance criteria were taken as constraints, then the robustness design problem was solved by multi - objective optimization method

    摘要在導彈控制系統設計過中,考慮了自動駕駛儀的高頻振蕩問題,將其轉化為系統的一個,同時把上升時間轉化為目標函數,其他設計指標視為,採用有多目標優化的法解決了系統魯棒性設計問題。
  17. In this paper, we designed the structure of the gear and rack in this actuating mechanism, elaborated the theory of its formation, and deduced the profile function and gearing function of the gear and rack. furthermore, we deduced the inherent radius of going around a turn under certain circumstance, the condition of the correct gearing and the continuous transmission. in order to make the mechanism move steady, we designed the derivation mechanism and manufacture the modle

    本文對該傳動機構中的漸開線柱齒鼓形齒輪和空間齒的結構進行了設計,並給出了齒輪和齒的成型原理,推導出了漸開線柱齒鼓形齒輪和空間齒的齒廓參數、嚙合;進一步分析並確定了漸開線柱齒鼓形齒輪、空間齒在給定嚙合傳動下所能實現的固有轉彎半徑和運動,並對其側隙及效率進行了計算和分析。
  18. The values obtained from the optimum calculation are compared with that from the conventional calculation, and the result shows that, by means of the optimum design, under the given restrains, the pipe heat exchanger can operate well with a reduction of over 25 % heat transfer area

    實例優化計算結果與常規計算結果的比較表明,優化設計可使管式換熱器在滿足給定下,節25 %以上換熱面積,提高管和殼的流速,從而提高傳熱系數,最終得到操作、能耗和投資等面的最佳經濟結構。
  19. Based on polymerization reaction of the nylon - 6 rubberized cord fabric production of distributed control system in yangzhou organic chemical plant computer integrated manufacturing system ( yh - cims / dcs ), the multiple stepwise regression method was used to build the statistic mathematical models of the molecule weight and the monomer quantum of casting slice belt. then the optimization model of polymerization reaction was presented, which was solved by using simulation annealing algorithm to obtain the best techniques parameters. the improved hybrid genetic algorithm and back propagation algorithm are combined to train neural network, brought out the neural network prediction model of casting slice belt ' s average molecule weight to guide the technologist on - line

    提出了流工業生產過操作優化策略和應用實施法,包括生產過離線優化策略、非線性問題求解策略、在線優化模型及學習策略;結合揚州有機化工廠計算機集成製造系統集散控制系統( yh - cims dcs )的實施,針對錦綸? 6浸膠南京理工大學博士學位論文摘要簾于布生產中己內酚胺聚合反應過優化控制這一工實際問題,採用統計建模法,建立了聚合反應過的優化模型;為求解所得的優化模型,提出了種改進的有下的模擬退火演算法,該演算法能避免陷於局部最優解,有效地提高了所求解的全局性和可靠性:提出了基於改進的ga演算法和sp演算法相結合的混合學習演算法,建立了基於神經網路的聚合反應過生產目標在線預測模型,該演算法和模型滿足了生產中的實時性和實用性要求。
  20. The error compensation software for cam precision grinding has been developed, and results show that the cam grinding accuracy can be ensured and the productive can be improved. ( 1 ) by using the method of movement error analysis of mbs, the geometric error model of sk - 21 nc machine tool has been established, and the calculation equation for precision processing of nc machine tool has been derived, which lays a good foundation of programming the error compensation software

    基於該磨床目前的狀態和已有的研究成果,本課題展開了以下主要研究工作: ( 1 )以多體系統運動學理論為基礎,建立精確的sk - 21數控凸輪磨床運動模型,全面考慮各項結構誤差和運動誤差對加工精度的影響,推導出精密加工約束條件方程,揭示機床實精密加工的實質。
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