數控機撲 的英文怎麼說
中文拼音 [shǔkòngjīpū]
數控機撲
英文
nc robot-
This paper will study under layered real - time scheduling problem, which is based on the theory of mas ( multi - agent system ). first, we research the structure model of mars, then an uniform model based on han ( hierarchical agent networks ) is proposed, which can unify all sorts of model ; second, the communication model of mars has been studied, then we propose high level communication model and under layered network topology model, and they are the same with mars ; three, ground on above, a real - time cimunication protocol for mars - - - - - rtcmr has been presented. in this paper, we study the under layered real - time scheduling protocol of rtcmr, which include real - time process scheduling and real - time message scheduling
本文首先研究了多智能體機器人系統結構模型，提出了多層次智能體網路一體化模型，該模型對各種結構模型分類進行了統一；然後對多智能體機器人系統的通信模型進行了研究，提出了適用於mars的高層通信模型和底層網路拓撲；在此基礎上，提出了基於多智能體機器人系統的實時通訊協議? ? rtcmr ，本文對rtcmr的底層調度協議進行了研究，包括實時任務調度和實時報文調度，提出了sp ts協議系統，建立了sp ts演算法的數學理論模型， sp ts協議系統在實現了實時任務的絕對時限保證的同時也實現了底層實時報文傳輸的絕對時限保證，實現了實時任務調度和實時報文調度的統一，最後，提出了基於sp ts協議的spp tsp統一控制結構，並給出了該結構的統一調度petri網模型。A discrete model for a simplified multi - router transfer control protocol network with random early detection congestion control system is proposed by modifying the previously developed one, where the nonlinear behaviors occurring in the system are researched by analytical and numerical methods, and the stability of the fixed points in different parameters is obtained simultaneously
摘要基於傳輸控制協議和隨機早期檢測擁塞控制演算法，提出多路由器網路拓撲下系統的改進型離散時間映射，採用解析及數值方法研究該映射中出現的分岔現象及混沌，給出系統的穩定性條件。We design a new algorithm - pmimd. the emphasis of the paper is to discuss the framework of the mpls network and the support for traffic engineering. i have learned several main topics about the traffic engineering based on mpls : how to map the data into lable ; how to map lable into fec. for the most important topicrhow to map traffic trunk into the actual topological network by lsp, i have designed a kind of adaptive traffic control mechanism called latc. the simulation expriments have proved the validity and the effect of latc
本文還論述了mpls （多協議標簽交換）網路的架構及其對流量工程的支持，研究了基於mpls流量工程要解決的幾個主要問題：如何把數據包映射為轉發等價類，如何把轉發等價類映射為流量中繼等，並對其中最重要的一個：通過lsp （標簽交換路徑）把流量中繼映射到實際網路拓撲，提出了一種自適應流量控制機制? latc ；通過相應的模擬，驗證了該機制實施的合理性和有效性。Firstly, this paper introduces the asynchronous motor model, and compares it with the dc motor ’ s. then the paper studies the principle of vector control, and proposes an improved current model of rotor flux observer. this paper also studies the three - level inverter ’ s topology, working principle, the neutral - potential unbalance mechanism and its controlling strategy. the paper especially studies the svpwm in details. the interface between the vector control and the three - level inverter is studied in details, including the generation of reference voltage vector, its judging of the sector and triangular regions, and the working mechanism after it sent into three - level inverter. when synthesizing the reference voltage vector, select the vector which only includes p and o states as the starting vector, thus eliminate the vector shift problem when sector changes. this paper fully takes advantages of the powerful functions of matlab / simulink to set up the simulation model. this construction is very explicit. the simulation results verify the inverter voltage output is correct, the rotor flux is steady, the asynchronous motor ’ s dynamic and steady state performances and speed modulation are excellent
本文首先介紹了異步電機的數學模型，在此基礎上將異步電機的數學模型與直流電機的數學模型進行了比較;然後介紹了矢量控制的基本原理，採用了一種改進的轉子磁鏈電流型觀測模型;對三電平逆變器的電路拓撲、工作原理、中點電位不平衡的機理及控制方法進行了介紹，詳細分析了空間矢量脈寬調制策略。本文對異步電機的矢量控制與三電平逆變器之間的介面進行了詳細的研究，包括:參考電壓矢量的形成、所落扇區與具體小三角形區域的判斷、送入逆變器之後的工作機理。在參考電壓矢量的合成時，選擇只包含p 、 o狀態的空間電壓矢量作為起始矢量，解決了扇區切換時的矢量突變問題。Taking single four - quadrant power switch mode circuit as an example, the operational mode, steady principles, transient voltage feedback control strategy, the auxiliary switching power supply and parallel technology of this kind of converters are investigated. the output characteristic curve and the design for the key circuit parameters are given
以單四象限功率開關式電路拓撲為例，分析研究了這類變換器工作模式、穩態原理與電壓瞬時值反饋控制策略，給出了變換器的外特性曲線、關鍵電路參數、機內輔助開關電源的設計，對電流源高頻交流環節ac ac變換器並聯擴容技術進行了研究。On the basis of summarization of the simulating technology of sonar signal, the paper brings forward the mathematics models of radiate noises of ships and torpedo, and simulates in computer ; tests the correctness of some pivotal methods through the simulation, on the basis of which, system scheme being brought out ; a parallel processor with twelve sharcs, combining with parallel processing theory and topographic configuration, is used to realize the algorithm of noise simulation on the basis of research on optimum distribution of algorithm and method of embedment in real time ; at last, gui, realized with vc + + language, is used to set parameters and control the whole parallel system flexibly and conveniently
本文在綜述聲納信號模擬技術的基礎上，首先提出艦船和魚雷輻射噪聲的模擬數學模型，並進行了計算機模擬實現；通過計算機模擬驗證了一些關鍵技術的正確性，並由此提出系統實時實現方案；構造了一個12個處理器的并行處理機? sharc陣列，結合併行處理理論和sharc陣列的拓撲結構研究了有關模擬演算法的最優分配及其嵌入整個聲納系統的方法，實時實現了噪聲模擬演算法。最後，使用vc + +語言編寫人機界面，靈活、方便地進行參數設置以及對整個并行處理系統進行控制。Iges and step standard format and the sat format which is used in acis has been studied. according to the characters of different parts and the characters of different machine tools, a method of grinding for non - circular surface is researched, a new strategy and algorithm of non - circluar surface nc griding which based on acis is studied. a way of non - circluar surface internal grinding is realized as well as the way of non - circluar surface external grinding
論文的研究包括了以下幾個方面:研究了三維幾何造型引擎acis平臺及其拓撲結構，探討了iges和step等產品數據交換標準格式和acis中的sat文件格式的異同;根據零件的加工特徵和機床的結構特點，研究了在內圓磨削和外圓磨削方式下，非圓曲面磨削的數控編程技術;提出了基於acis實體造型的任意非圓曲面零件的數控磨削新演算法;實現了以實體造型為基礎的任意非圓曲面零件的內圓和外圓數控磨削;根據零件的特徵和磨削方式，生成了相應的走刀路線;實現了針對不同機床的後置處理。In the part of overall design, the functional model and seven sub - system structured charts are given, in which the functions of each model are defined and specific descriptions are given out for the overall and eight sub - system models. according to the specific situation of cac, client / sever mode is adopted for cac - hrmes. in database design, identification of database and supporting software of cac - hrmis are given, the logic and physical design of database is carried out
在總體設計部分，本文給出了cac - hrmis功能模塊結構總圖以及7個子系統結構圖，規定了各個模塊的功能，同時對主控模塊以及子系統中8個模塊的設計進行了具體的說明；依據成飛公司的具體情況，將cac - hrmis的拓撲結構設計為客戶機服務器模式；在數據庫結構設計部分，依次給出了cac - hrmis數據庫的標志符、支持軟體，並進行了數據庫的邏輯設計和物理設計。分享友人