能量約束時間 的英文怎麼說
中文拼音 [néngliángyāoshùshíjiān]
能量約束時間
英文
energy confinement time- 能 : 能名詞(姓氏) a surname
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 約 : 約動詞[口語] (用秤稱) weigh
- 束 : 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;...
- 時 : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
- 間 : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
- 能量 : 1 [物理學] energy; amount of energy 2 (能力) capabilities; capacity; 能量不滅 conservation of e...
- 約束 : keep within bounds; restrain; bind; bound; boundage;tie; restraint; restriction; engagement; repr...
- 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
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This paper researches the basic statistical rule of oil - gas dynamic system from the systematic theory, combining with the common characteristic and structure characteristic of oil - gas dynamic system, taking the design requirement of oil field development programming into consideration, by using of functional simulation principle ( including nn method, differential simulation method ) and historical data of oil field, establishes the in - out conjunctional relationship of dynamic index of oil field development, and researches the two level index prediction of development dynamic with both oil field and oil production plant on the basis of the in - out conjunctional relationship. furthermore, this paper analyzes the " decision - making variable ", " object " and " restriction terms " by the optimization theory and set up several optimal models which compose the oil field development programming, it is following : optimization model of the production composing ( solving the optimal composing of each subentry production and cor responding cost, workload, including the onshore thin oil production, the heavy oil thermal process production, tertiary oil recovery production, and the offshore production ) ; optimization model of measure production structure ( determining the optimal composing of each measure production and measure workload, which is composed of fracture, acidulation, capital repair and so on ) ; optimization model of the production distraction ( optimal distribution of the whole oil field production to each oil production plant ) and the integrated development programming model of oil field
本文從系統理論出發研究油氣動態系統基本統計規律,結合油氣動態系統的一般特點,結構特點,兼顧油田開發規劃設計的要求,利用功能模擬原理(含神經網路方法、微分模擬方法) ,依據油田歷史數據,建立了油田開發動態指標間的輸入輸出關聯關系,並在此輸入輸出關聯關系的基礎上研究了油田及採油廠兩級的開發動態指標預測,同時利用最優化原理,在分析「決策變量」 、 「目標」及「約束條件」的基礎上建立了多個構成油田開發規劃的「優化模型」 ,這些優化模型包括:產量構成優化模型(解決陸上稀油產量、稠油熱采產量、三次採油產量、海上產量及對應的成本、工作量的最優構成問題) ;措施產量結構優化模型(解決壓裂、酸化、大修等各項措施產量及措施工作量的最優構成問題) ;產量分配優化模型(將油田的產量最優地分配到各採油廠)以及油田綜合開發規劃模型。And then, according to minimum principle, each uav smoothes its own path which the coordination agent selects such that the dynamic constraints are sati sfied and the length is preserved
通過在協同規劃層調整eta ,尋找到既能滿足時間約束,又能使團隊代價最小,且盡量使單架無人機的個體代價次最小的路徑。Trajectory control algorithm is also presented to make the excursion of flight converge to zero in given limited time during flying. it is mainly used to control and reduce the excursion and crab angle within given limited time when the aerocraft is following the reference flight path
然後本文提出了用於控制飛行器在跟蹤參考航跡過程中出現的航跡偏移和偏航角的航跡控制演算法,該演算法能有效地使航跡偏移量和偏航角在給定的時間約束內收斂。Abstract : an algorithm is presented for better legal solution in detailed placement of large scale mixed macros and standard cells ic design. due to the limitation of computing complexity, an effective and efficient initial placement is very important for detailed placement. novelty of this algorithm lies in a better solution at initial stage by using network - flow method to satisfy row capacity constraint and the thought of linear placement problem ( lpp ) to resolve overlaps. moreover, divide - and - conquer strategy and other simplified methods are adopted to minimize complexity. experimental results show that the algorithm can get an average of 16 wire length improvement on paflo in reasonable cpu time
文摘:以大規模混合模式布局問題為背景,提出了有效的初始詳細布局演算法.在大規模混合模式布局問題中,由於受到計算復雜性的限制,有效的初始布局演算法顯得非常重要.該演算法採用網路流方法來滿足行容量約束,採用線性布局策略解決單元重疊問題.同時,為解決大規模設計問題,整體上採用分治策略和簡化策略,有效地控制問題的規模,以時間開銷的少量增加換取線長的明顯改善.實驗結果表明該演算法能夠取得比較好的效果,平均比paflo演算法有16的線長改善,而cpu計算時間只有少量增加To solve the inaccuracy problem caused by the two existing methods ( average end - area method and prismoidal method ) used for the calculation of roadway earthwork volume, this paper puts forward a new concept of the 3 - dimensional algorithm that takes all the roadway geometric design procedures as a kind of geometrical operation between the ground model ( original terrain model ) and the roadway model ( designed model ) under certain constraints, and then presents a complete 3 - dimensional algorithm of roadway earthwork volume as well as its executable computer program. the algorithm benefits from the re - triangulation technique of constrained delaunay triangulation ( cdt ), which can yield a true volume value theoretically. through a number of practical tests covering varied intervals between adjacent cross sections, it is proven to possess a higher accuracy compared with that of traditional methods. all the work involved in this paper indicates that the 3 - dimensional calculation of roadway earthwork volume is feasible, more accurate and should have further application in practice
針對目前廣泛使用的道路土方量計算方法平均斷面法和稜柱體法計算不準確的缺點,提出了三維土方量計算演算法的概念.該演算法以帶約束的狄羅尼三角化( cdt )為技術核心,認為所有道路幾何設計過程都是地面模型和道路(設計)模型進行幾何運算的結果.基於此,本文設計出相應的演算法步驟,同時完成了相應的軟體開發,使得該三維演算法能和傳統的方法進行對比.此外,結合工程實例,採用了不同的道路橫斷面間距對三維計算方法和傳統方法的誤差進行比較、分析.結果證明三維演算法具有更好的精度,該演算法可用於道路、場地平整等工程土方量計算The mo - dified first - come - first - served algorithm, time - adva nc e algorithm and constrained position - shift algorithm are put forward to automat ically plan the most efficient landing order, to assign optimal spaced landing times to all arrivals without violate the spacing requirements for different typ es of aircraft and to enhance the usage of the runway under heavy traffic condit ion in the terminal area
為了能夠在終端區交通繁忙的情況下高效地為到達的飛機流安排合理的著陸次序,並在不違反飛機間距要求的情況下給出各飛機經過優化的著陸時間,提高機場跑道的利用率,提出了經過改進的先來先服務、帶有時間提前量、帶有約束的位置偏移三種排序演算法。Combined with the data - selected schemes proposed, the computational complexity of this method can be lowered. the performance of the presented rls method is analyzed by simulations, and it is shown that this method is interesting for application. 4 time - selective channel signal model based on multipath - doppler diversity representation is given in multi - path fast fading channel, and rls space - time receiver algorithm based on time - varied constraint condition is presented and the computational complexity of this method is analyzed
4 、針對多徑快衰落通道下的ds - cdma系統,給出了基於多徑-多譜勒觀點描述的1百安電弓卜科東兔j憶學協士學位論文時間選擇性通道的信號模型,提出了基於變約束條件下的遞歸最小二乘空時接收機演算法並分析演算法的運算量,最後通過模擬分析了所提出的方法的性能。Usually time constraints limit the number of bells and whistles you can apply to such an application
通常,時間約束限制了您在這類應用程序中能夠使用的提示信息的數量。By analyzing the scalar velocity bound curve and combining distribute of acceleration limit, a time - optimal control algorithm was designed. the results of experiments show it can make full use of the capacity of motor while realizing the stability and positioning accuracy of system, solving the problem of time - optimal control
通過對標量速度邊界曲線的分析,結合加速度極限分佈情況,設計了一種在特定軌跡約束下機器人時間最優軌跡規劃演算法,以在保證系統穩定性和定位精度的前提下,充分發揮電機的性能。This thesis discusses the definition and implementation methods of hierarchical federations, and brings forward the technique of automatically constructing the hierarchical federations architecture ( hfa ). based on the study of time management and data distributed management in hierarchical federations, we give the constraint conditions, which need to be met for achieving correct temporal delivery of time - stamped messages and causal ordering of those messages. we propose the process of time advancement in hierarchical federations, and present the hierarchical data filtering mechanism, which can effectively decreases the network traffic
論文研究了層次聯邦的概念及其實現方法,提出了層次聯邦體系結構的自動生成技術;然後研究了層次聯邦中的時間管理和數據分發管理,提出了為保證消息傳遞的時間和因果順序的正確性需要滿足的約束條件,給出了層次聯邦的時間推進過程;提出了層次聯邦中能有效減少網路流量的數據分層過濾機制。This algorithm improves confidence in se by estimating parameters and states at the same time. simulation results on test power systems which range in size from 4 to 118 buses, have shown the virtues as follows : getting unbiased estimation without detecting and identifying bad data in measurements ; solving state and parameter estimation for power system with good convergence and excellent robust property ; increasing the numbers of iterations a little bit with the test systems expanded ; estimating many transformer taps simultaneously and remaining the main state estimation ; keeping the estimated relative error within + 0. 1 % and processing efficiently equality constraints and ill condition with polynomial complexity
對ieee ? 4 118節點系統和廣西主網進行的模擬結果表明: l1范數估計具有不良數據拒絕特性,當量測量中存在不良數據時,該演算法在不經檢測和辨識不良數據情況下仍是無偏估計,具有良好收斂性,所需迭代次數隨著問題規模擴大而增長極小;能夠同時估計多個變壓器抽頭,並保持狀態估計主體;在滿足可觀測性條件下,估計的相對誤差保證在0 . 1以內;能夠有效處理等式約束和病態條件,並具有多項式時間性。The urban spatial structure in this paper is the inner one of a city, is the spatial reflection of the mankind ' s various social economic activities and the function organization of the particular city region, it includes the structure of land use, the spatial structure of economy, the spatial distribute of the population, the spatial structure of employment, the transportation network structure, social spatial structure, the spatial structure of living activities, etc. by field survey of 1134 land - value samples of urban region of siping, based on the correlative theories of the regional economics, economic geography, urban geography and urban economics, adopted the gis and the quantitative and qualitative methods, this article analyzes the character and problems of the spatial structure of siping city during the transitional phase from temporal and spatial factors, discusses the influences of the land - value on the urban spatial structure from temporal, spatial and structural dimension, put forwards the countermeasures that optimizes the spatial structure under the constraint of land - value
本文所指的城市空間結構為城市內部的空間結構,是人類的各種社會經濟活動和功能組織在特定城市地域上的空間投影,包括土地利用結構、經濟空間結構、人口空間分佈、就業空間結構、交通網路結構、社會空間結構、生活活動空間結構等。本文通過對四平市城區1134個地價樣點數據的實地調查,在綜合運用區域經濟學、經濟地理學、城市地理學、城市經濟學等相關學科理論的基礎上,採用gis ,運用定性與定量相結合的方法,從時間、空間兩個序列分析了轉型期四平城市空間結構特徵和存在問題,並從地價的時間、空間和構成等三方面探討了轉型期四平市地價對城市空間結構的影響,提出了地價約束條件下優化四平城市空間結構的對策。Green " s theorem is employed to find the quantity relationship among the constraints of heating rate, dynamic pressure and lift in reentry flight. the paper deduced the approximate solution of the optimal aeroassisted coplanar trajectories under the three typical constraints. the performance index to be minimized are either heat input, the total dynamic pressure, time during the atmospheric flight, the time integral of the square of the path inclination ; or maximize the time of flight during the atmospheric portion of the trajetory. an important conclusion is firstly obtained : under the three constraints above, the optimal aeroassisted coplanar transfers with the first forth kinds payoffs have the same optimal control laws
採用格林函數法,給出了同一平面氣動力輔助變軌飛行的3種過程約束(氣動加熱率、動壓、升力約束)條件之間關系的近似定量描述形成的飛行包絡線.由此求解了航天器同時受3種約束條件時,各種性能指標下的同一平面氣動力輔助變軌軌跡的近似解及相應的最優控制規律.文中對近似解與控制規律的內部結構作了細致的分析,得到了一些有益的結論Computing result shows that : coevolutionary mdo algorithms are effective on this problem ; distributed coevolutionary mdo algorithm is better than cooperate coevolutionary mdo algorithm ; asynchronous parallel version of distributed coevolutionary mdo algorithm speeds up the optimization procedure greatly while maintains good convergence performance ; multiobjective distributed coevolutionary mdo algorithm approximates the whole pareto optimal front well in only one single run, saves much computing cost than constraint method to obtain pareto optimal set, and greatly shortens search time by distributed asyn
計算結果表明:協同進化mdo演算法求解該問題是有效的,其中分散式協同進化mdo演算法優于合作協同進化mdo演算法;異步并行的分散式協同進化mdo演算法在保證收斂性能的同時大大加快了優化進程;多目標的分散式協同進化mdo演算法僅一次運行就很好的逼近了問題的整個pareto最優前沿,比用約束法求解pareto最優集節省了大量計算開銷,而且通過網路多臺微機的分散式并行執行大大縮短了搜索時間。Thirdly, based on the geometrical differential constraints and force balancing constraints of the coordinated flexible manipulators, the mutual relationships between the kinematic and dynamic parameters in static configuration have been presented. the manipulation stiffness of the coordinated system has also been proposed. the manipulability of the flexible robot system has been then analyzed in two aspects : i ) the global characteristics in the manipulation workspace based on the manipulation stiffness ; ii ) the local property of the reachable boundary of generalized forces
然後,利用柔性機器人協調抓取的幾何微分約束和力平衡約束,通過深入分析系統在靜態位形時其內部各運動參量和力參量之間的關系,定義了系統的操作剛度,從兩個方面對系統的操作性能進行了分析: 1 )操作空間中,基os于系統操作剛度的全局特性; 2 )在一定約束的條件下,系統操作力矢端可達二邊界的局部特性。分享友人