飛機調度問題 的英文怎麼說
中文拼音 [fēijīdiàodùwèntí]
飛機調度問題
英文
aircraft deployment problem- 飛 : Ⅰ動詞1 (鳥、蟲等在空中活動) fly; flit 2 (利用動力機械在空中行動) fly 3 (在空中飄浮遊動) fly...
- 機 : machineengine
- 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 問 : Ⅰ動詞1 (請人解答) ask; inquire 2 (詢問; 慰問) question; ask about [after]; inquire about [aft...
- 題 : Ⅰ名詞1. (題目) subject; title; topic; problem 2. (姓氏) a surname Ⅱ動詞(寫上) inscribe; write
- 飛機 : airplane; plane; aeroplane; kite; bird; aircraft
- 調度 : 1 (調遣) dispatch (trains buses etc ) 2 (調度員) dispatcher 3 (安排) manage; control 4 (...
- 問題 : 1 (需回答的題目) question; problem 2 (需研究解決的矛盾等) problem; matter 3 (事故或意外) tr...
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When solving the tna problem based on fleet dispatching commands, a stage - assignment algorithm is build to overcome the defect of fifo algorithm, which can be widely applied to cope with fixed job scheduling problem. 3
在解決基於飛機調度指令要求的飛機排班問題時,本文提出的分階段指派演算法較好地克服了標號演算法的缺陷,該演算法能普遍地應用於處理類似的固定工件排序問題。This paper presents an efficient optimization algorithm and complicated code for airciraft landing scheduling problem, based on depth - first - search implicit emumeration algorithm, subject to mps limiting, position lock limiting and optimization depth limiting
摘要以深度優先搜索的隱枚舉演算法為基礎,結合mps約束、位置凍結限制、優化深度限制,使用復雜的軟體編碼實現了特定於飛機著陸調度問題的優化排序演算法。Firstly, a 0 - 1 integer programming mathematical model is constructed to describe tail - number - assigning work happened in domestic airline, since the problem is npc, a unified polynomial algorithm which satisfies engineering requirement is unavailable. illuminated by the practical experience, a specific tna problem is classified into one of three typical tna modes : tna based on fleet dispatching commands, tna based on fleet balance application, tna based on minimum fleet requirement ; secondly, by simplifying and relaxing some minor constraints, corresponding mathematical models and heuristic algorithms are reconstructed for each typical tna mode ; finally, computing complexities are discussed
為此論文在借鑒手工編制排班計劃經驗的基礎上,將一個具體的飛機排班問題,歸結為三種典型排班模式中的一種,即:基於飛機調度指令要求的排班問題,基於飛機使用均衡要求的排班問題和基於最少需用飛機數的排班問題,對于每種典型的飛機排班模式,在對次要的約束條件進行簡化、松馳的基礎上構造出相應的能夠滿足工程應用要求的啟發式演算法,並分析了演算法的復雜性。Motion control is a comprehensive subject. modern ac drive is a important embranchment in the field of motion control. however, it is difficult to rea1ize high - performance ac drive systems because induction motors are a kind of strongly - coupled nonlinear system with many variables and the torque is not easy to control. with vector control technology decoupling and torque control of ac motor are solved. the basic idea of vector control is that three - phase system is equiva1ent to two - phase system by coordinate transformation and it realizes the decoupling between field current and torque current of the stator in order to control the flux and current respectively, thus induction motor can be considered dc motor and high performance is achieved easily. with the progress of electric and electronic technology and the development of computer, high - integrated special modules and high - precision digital signal processor ( dsp ) are applied to ac drive so that vector control has been developed rapidly
但是高性能的交流調速系統實現很困難,這是因為交流電機是多變量、強耦合的非線性系統,不易實現高性能轉矩控制。矢量控制技術則解決了交流電機解耦與轉矩控制問題,其基本思路? ?應用坐標變換將三相等效為二相,實現定子勵磁電流分量與轉矩電流分量之間的解耦,達到對交流電機磁鏈與電流分別控制的目的,交流電機等效為直流電機實現高性能調速。隨著電力電子技術的進步,計算機技術飛躍發展,高度集成的專用模塊和高精度的數字信號處理器應用於交流傳動系統中,促進矢量控制迅猛發展,日趨成熟。According to the information management system developed for the standard part workshop, chengdu airplane company ( cac ) to realize its agile and cooperative work, this paper puts forward an architecture of virtual workshop management and control, implementing model of virtual workshop production scheduling and management system based on multi - agent principle, programming technology and method of constructing knowledge management system
本文以實現成都飛機公司標準件製造車間的敏捷性和協同作業需要為實際背景,研究了虛擬車間管理與控制的體系結構、基於多智能體技術的虛擬車間生產作業規劃與管理系統的實施方法、網路編程技術及虛擬車間中調度和知識管理問題。In accordance with international standards and recommendations, their development took into account runway alignment, terrain environment and obstacle clearances, location of navigation aids, aircraft operating criteria, environmental consideration, airspace coordination with nearby airports, etc. hong kong is small in size and hilly in topography
根據國際標準及建議,飛行航道的設計要考慮多項因素,包括跑道方向、地勢環境及超越障礙物時所要求的高度距離、導航設備位置、飛行運作條件、環境污染問題、與鄰近機場的空域協調等等。The automatization technology of transportation scheduling job system is no doubt effective way to solve the question, and the fast development of computer control technology information technology and trunking communication technology provides good material technology base, to make yard and even the whole enterprise go forward integrated automation job period steadily
運輸調度作業系統自動化技術無疑是解決這一問題的有效手段,而計算機控制技術、信息技術和集群通信技術的飛速發展,為運輸調度作業自動化提供了良好的技術物質基礎,使得編組站乃至整個企業可穩步邁向綜合自動化作業時期。4. when solving the tna problem based on minimum fleet requirement, a bipartite graph describing flight - pairing - link property is constructed, by which the primary problem is transferred to two weighted bipartite matching
在解決最少需用飛機數要求的飛機排班問題時,本文將尋找航班節銜接方案問題,描述成一個二部圖的匹配問題,進而通過解兩個二部圖的最小權最大匹配,尋找需用飛機數最少的飛機調度方案。Abstract : a new method, collaborative allocation ( ca ), is proposed to solve the large - scale optimum allocation problem in aircraft conceptual design. according to the characteristics of optimum allocation in aircraft conceptual design. the principle and mathematical model of ca are established. the optimum allocation problem is decomposed into one main optimization problem and several sub - optimization problems. a group of design requirements for subsystems are provided by the main system respectively, and the subsystems execute their own optimizations or further provide the detailed design requirements to the bottom components of aircraft, such as spars, ribs and skins, etc. the subsystems minimize the discrepancy between their own local variables and the corresponding allocated values, and then return the optimization results to main optimization. the main optimization is performed to reallocate the design requirements for improving the integration performance and progressing toward the compatibilities among subsystems. ca provides the general optimum allocation architecture and is easy to be carried out. furthermore, the concurrent computation can also be realized. two examples of optimum reliability allocation are used to describe the implementation procedure of ca for two - level allocation and three - level allocation respectively, and to validate preliminarily its correctness and effectiveness. it is shown that the developed method can be successfully used in optimum allocation of design requirements. then taking weight requirement allocation as example, the mathematical model and solution procedure for collaborative allocation of design requirements in aircraft conceptual design are briefly depicted
文摘:探討了一種新的設計指標最優分配方法- -協同分配法,用於處理飛機頂層設計中的大規模設計指標最優分配問題.分析了飛機頂層設計中的設計指標最優分配特徵,據此給出了協同法的原理並建立了數學模型.協同法按設計指標分配關系將最優分配問題分解為主系統優化和子系統優化,主優化對子系統設計指標進行最優分配,子優化以最小化分配設計指標值與期望設計指標值之間的差異為目標,進行子系統最優設計,或對底層元件(如飛機翼梁、翼肋和翼盒等)進行設計指標最優分配,並把最優解信息反饋給主優化.主優化通過子優化最優解信息構成的一致性約束協調分配量,提高系統整體性能,並重新給出分配方案.主系統與子系統反復協調,直到得到設計指標最優分配方案.兩層可靠度指標分配算例初步驗證了本文方法的正確性與可行性,三層可靠度指標分配算例證明了本文方法的有效性.最後,以重量指標分配為例,簡要敘述了針對飛機頂層設計中設計指標協同分配的數學模型和求解思路A new method, collaborative allocation ( ca ), is proposed to solve the large - scale optimum allocation problem in aircraft conceptual design. according to the characteristics of optimum allocation in aircraft conceptual design. the principle and mathematical model of ca are established. the optimum allocation problem is decomposed into one main optimization problem and several sub - optimization problems. a group of design requirements for subsystems are provided by the main system respectively, and the subsystems execute their own optimizations or further provide the detailed design requirements to the bottom components of aircraft, such as spars, ribs and skins, etc. the subsystems minimize the discrepancy between their own local variables and the corresponding allocated values, and then return the optimization results to main optimization. the main optimization is performed to reallocate the design requirements for improving the integration performance and progressing toward the compatibilities among subsystems. ca provides the general optimum allocation architecture and is easy to be carried out. furthermore, the concurrent computation can also be realized. two examples of optimum reliability allocation are used to describe the implementation procedure of ca for two - level allocation and three - level allocation respectively, and to validate preliminarily its correctness and effectiveness. it is shown that the developed method can be successfully used in optimum allocation of design requirements. then taking weight requirement allocation as example, the mathematical model and solution procedure for collaborative allocation of design requirements in aircraft conceptual design are briefly depicted
探討了一種新的設計指標最優分配方法- -協同分配法,用於處理飛機頂層設計中的大規模設計指標最優分配問題.分析了飛機頂層設計中的設計指標最優分配特徵,據此給出了協同法的原理並建立了數學模型.協同法按設計指標分配關系將最優分配問題分解為主系統優化和子系統優化,主優化對子系統設計指標進行最優分配,子優化以最小化分配設計指標值與期望設計指標值之間的差異為目標,進行子系統最優設計,或對底層元件(如飛機翼梁、翼肋和翼盒等)進行設計指標最優分配,並把最優解信息反饋給主優化.主優化通過子優化最優解信息構成的一致性約束協調分配量,提高系統整體性能,並重新給出分配方案.主系統與子系統反復協調,直到得到設計指標最優分配方案.兩層可靠度指標分配算例初步驗證了本文方法的正確性與可行性,三層可靠度指標分配算例證明了本文方法的有效性.最後,以重量指標分配為例,簡要敘述了針對飛機頂層設計中設計指標協同分配的數學模型和求解思路The fixture ' s rigidity and stability is an important criterion, design and production of this kind of fixture has always been a great problem in aircraft ' s development
型架的剛性和穩定性是保證飛機裝配準確度和協調準確度的重要質量指標,其設計與製造一直是飛機產品研製過程中的瓶頸問題。It ' s a driving force and also a challenge to control in both theory and technology due to the more and more severe specifications imposing on it. a variety control theory have been developed, however, with limited performance in practical applications, especially in term of the relatively lower response speed when used in those machines which run fast. therefore, it is necessary to develop a new self - tuning algorithm for fast running plant of uncertainty so as to set theoretical base for controller design
在科技飛速發展的今天,各種新設備、新工藝的出現促進了控制理論的發展,同時也對控制技術提出了越來越高的要求,雖然已有許多旨在提高控制性能的不同的控制理論,但由於其各自的局限性,在應用中仍然存在許多問題,特別是對于運行速度較快的機械設備等,其響應時間往往不能達到要求,因此,有必要開發一種新型、快速、能夠適應快速運行或變化的對象或過程的自調節演算法,以為控制器的開發作好理論支持。分享友人