負節點 的英文怎麼說
中文拼音 [fùjiédiǎn]
負節點
英文
antinodal point-
If the velocity of atoms is near to zero, the light for ces will tend to confine the atoms near to nodes and antinodes. the stability depends on the magnitude of the negative slope of the light force, the depth of the potential well and the momentum diffusion coefficient. it is important to select the parameters, e. g
如果通過激光冷卻能使原子速度降至很小甚至為零，光壓力的作用將使原子被較穩定地囚禁于激光駐波場的節點和反節點處，其穩定程度取決于該處光壓力曲線負斜率的大小、對應勢能的勢阱深度以及動量擴散系數的大小，因此，如何在實驗中合理選擇激光強度、失諧量等顯得尤為關鍵。In the process of arithmetic design, newton " method is used to compute power flow of network. graph theory knowledge is used to determine all paths from generator to load. to improve efficiency, thesis use branch expunction method to optimize the node order
在演算法設計過程中，採用牛頓拉夫遜法進行潮流計算得到系統潮流分佈，利用圖論原理中的路徑搜索演算法確定了發電機對負荷的供電路徑，此外為了提高潮流跟蹤的計算效率，利用了支路消去法進行節點順序的優化。This thesis focuses on middleware - based load balancing supported by corba, and has made the following contributions : ( 1 ) based on the previous research, we give a method using resource utilization and harmonic mean performance to quantify the load of each node in the heterogeneous environment, which makes the loads comparable
本文的主要研究內容就是基於corba中間件的負載均衡，具體的研究工作有以下幾點：探討了系統負載的衡量問題，借鑒前人的研究成果，採用以資源利用率和節點的調和性能平均值來綜合衡量系統負載的方法，量化了異構系統中各節點的性能，使得負載具有可比性。The development of fieldbus technology made lonworks field bus outstanding in all kinds of fieldbus. this paper simply introduces some kinds of common using fieldbus and the important position and influence of lonworks fieldbus in all kinds of fieldbus, carefully describes the technology core of lonworks technology, puts great emphasis on the introduction of the development and design of public security node of intelligent district which adopts computer, communication and control technology, carefully designs the interfaces of hardware circuits. the public security node of intelligent adopts 8031 single chip as its main processor to complete the application program of user, which mainly collects, process and control all kinds of field signal, and neuron chip 3150 as its slave processor to communicate with other nodes on field network, which works under parrel slave a mode
現場總線技術的發展使得lonworks技術脫穎而出，本文簡要介紹了常用的幾種現場總線的概況以及lonworks技術在現場總線技術中的地位和影響，對lonworks技術的技術核心：神經元晶元、 lontalk協議、 lonworks收發器、 lonbuilder及nodebuilder進行詳盡的描述；重點介紹了集先進的計算機技術、通信技術、控制技術為一體的智能小區安防節點的開發與研製，對節點硬體電路的各種介面進行了詳盡的設計。本文設計的智能小區安防節點採用單片機8031作為主處理器來完成用戶的應用程序，主要負責對各種現場信號進行採集、處理及控制，工作在并行從a方式下的神經元晶元mc3150作為從處理器，主要完成與現場網路上的各節點及中心控制室之間的通信工作。Iv ) revolute joint element, nonlinear spring - damper element, 3 - d 5 points contact element are applied to simulate the revolute restriction between two caterpillar boards, suspension nonlinear vibration, contact between wheels and caterpillar boards, and contact between caterpillar boards and ground are considered respectively. drucker - prager material is employed to simulate reinforced concrete
4 、應用大幅度轉動約束單元、非線性彈簧阻尼單元、三維五節點接觸單元分別模擬自行火炮履帶板之間的轉動約束連接、懸掛非線性振動及負重輪與履帶板之間的接觸和履帶板與地面的接觸問題；根據材料非線性理論，提出利用drucker ? prager材料建立土壤的非線性有限元模型。First from system aspect, this paper uses voltage sensitivity, pv curves method, equivalent reactive compensation method, back - up generation method to evaluate the reactive value of the generators in seven buses system and ieee 14 buses system. the vs and pv methods can evaluate the source ' s ability of tracking the load ' s variation. the erc and back - up methods can evaluate the availability of replacing other generators. the value determines the cost
從對系統貢獻角度，採用電壓靈敏度方法（ vs法） 、 pv曲線法、等效無功補償法（ erc ） 、無功備用方法來確定一個七節點系統中的發電機的無功價值和ieee14節點系統的發電機的無功價值，電壓靈敏度法和pv曲線法可比較出不同電源跟蹤負荷變化的靈敏度大小，而等效無功補償法和無功備用方法可比較出不同電源替換其它發電機是否是最有效率的。In the leach - new protocol, the mainly improvement of the leach protocol exhibits as follow : for the sake of balancing the network load, the network choose the clusters based on the residual energy ; we take multi - hop communication between sensors instead of single - hop communication, which results in the reduction of energy consumption of clusters ; the new protocol finds the path to the cluster head with the minimum cost, using an algorithm similar to flooding to propagate the cost information and greedy algorithm to find the lowest cost link ; the algorithm for assigning tdma time slot reduces overall delays of network
在leach - new協議中，對leach協議的改進主要體現在以下幾個方面:根據節點剩餘能量選擇簇頭，以平衡網路負載;節點間採用多跳路由，降低簇頭能量消耗;節點根據能量消耗的代價來選擇至簇頭的路由，通過擴散演算法來廣播代價消息，採用貪婪演算法來選擇能量消耗最小的路徑;採用tdma時隙分配演算法減少網路時延。最後，利用ns2模擬軟體進行驗證。Taking load uncertainties, infeasibility problem and multiple objection of the reactive power optimization in the radial distribution system into consideration, loads are modeled as fuzzy interval numbers. fuzzy power flow is proposed based on fuzzy interval load for the more practical membership function of line losses rate and maximal voltages offset. this thesis presents multiple objection model of the reactive power optimization considering uncertainties using the fuzzy set theory
對配電網電壓無功優化問題中負荷的非概率性的不確定性問題、多目標問題、約束不可行性問題進行了研究，用模糊區間來描述實際的負荷情況，並用負荷的模糊區間值計算配電網的潮流，得到有功功率損耗和電壓的模糊區間值，使網損率和節點電壓最大偏移量的隸屬函數更接近實際情況；將改進遺傳演算法與模糊集理論相結合，通過求解多目標函數和約束條件的模糊集合的交集，得出網損率和節點電壓最大偏移量最小的最優運行狀態。However, it ca n ' t make sure the load balancing for each engine, which usually happened in the long - time business process in particular. as scheduler leads load unbalance, the multiengine adjusts it among many engines based on appropriate model tactics and information in real time, which improve the efficiency of large scale distributed businesses
當多引擎間任務調度出現不平衡，導致某些節點負載過重或是某個節點出現故障時，多引擎能夠根據相應模型策略和實際的信息來動態調整各節點的負載，這樣可以在一定程度上解決有大量分散式事務處理時的性能問題。Second, this paper analyzes the relation of reactive support service with voltage, power limit curve, transaction amounts. according to the power limit curve, this paper analyzes the source of the reactive cost to get an interzone cost function. using marginal cost theory, it concludes that the reactive spot price is the derivative of the cost function in generator buses
另外，本文還從發電機角度上分析了無功服務與電壓、功率限制曲線、發電機向負荷傳輸電能大小的關系；根據功率限制曲線對發電機無功成本的來源進行詳盡剖析，從理論上確定一個分區間的成本函數；並依據短期邊際成本理論可推出，計算發電機節點的電價可採用無功成本函數的偏導數的方法。This text has analysed load balancing method of existent especially lvs cluster system and recommended the net packet and netfilter ’ s frame structures in the linux operating system ; it has compared the cooperative - type - cluster with tradictional cluster in the net packets ’ queue ways and with active cluster in the load balancing dispatcher way, which has reflected the superiority of cooperation type cluster ; the three major parts of the cooperative - type - cluster have been designed and realized in this text, which includes sync packets ’ priority service for dmcs 、 “ priority and avoid sudden load unbalance ” dispatch way at the cooperation of nodal servers and director and active nodal server which ensure cluster normally running when cluster join or rduce node server ; the cooperative - type - cluster ’ s control frame controlled by homepage has been constructed ; the mulit - services cluster system has been realized ; this text has used the existing server pressure testing tools to test the cooperative - type - cluster and lvs cluster, then has comparaed and analysed the two
本文分析了現有服務器集群特別是lvs集群系統的負載均衡方法，介紹了linux系統下的報文和netfilter的框架結構;將所提出的合作式集群與傳統集群在報文排隊方式上進行比較，與主動式集群在負載均衡調度方式上進行比較，體現了合作式集群的優越性;設計並實現了合作式集群體系結構的三大部分:針對分散式測控系統的加權服務、負載均衡器與節點服務器合作式「加權防突」負載調度、保證集群運行不受加減節點干擾的主動性真實服務器;構建了通過網頁界面控制合作式集群的控制框架;實現了一個可運行的合作式多服務集群系統，運用現有服務器壓力測試工具對合作式集群和lvs集群進行負載測試，並對測試結果進行比較分析，同時通過壓力測試實現加權服務。Section iii proposes a possible organization of a reactive power market, a regional reactive power market established according to the distribution of the load and the reactive supply. the regional reactive power market is composed of a reactive energy market based on marginal pricing and a reactive capacity market based on a reactive regulating capacity payment. the cases in section iv, based on the market organization proposals and the reactive bid structure previously presented, performed on a five - bus system and the ieee 14 bus system, are used to analysis the effects of active bid, voltage control and power factor on the reactive marginal price
本文首先回顧了電力市場發展的歷史和現狀；然後對市場中的定價方法和無功輔助服務的內容及特點進行了總結，並介紹了一些國家的無功輔助服務市場模式和交易方法；接著立足我國國情，提出了單邊開放電力市場下的無功市場框架：即根據負荷和無功源的分佈特點建立區域無功市場，各區域無功市場又由相應的無功電量市場和無功容量市場組成；並提出了該無功市場模式下的機組報價模型和基於報價的以系統總購電費用最小為目標的無功電價計算方法；最後用一個5節點系統和ieee14節點系統進行了實例分析，初步研究了發電機有功報價、系統電壓控制以及負荷功率因數對無功電價的影響，得出了一些有借鑒意義的結論。It is built using graphical technology of geographic information system and can be used as the graphical plate for power system software, making the operation and the management of the devices easy and intuitionist, and the analysis of network topology more automatic and accurate. in the aspect of the calculation of loss, this system calculates the loss of the active power and reactive power, forms the result in the database considering the differences of load - curves at every node, and allows the property or queries loss of the devices using graphic interface
它以地理信息系統（ gis ）的圖形化技術為基礎，為電力系統軟體架設圖形化平臺，使設備的操作、管理更加直觀，使電力系統的網路拓撲分析程序更加自動化、準確；在線損計算方面，考慮了各負荷節點負荷曲線的不同，可以從計算結果中分別統計有功損耗和無功損耗，也可以方便的在配網圖上對各種元件進行屬性查詢，損耗查詢等。An optimized method of clock - tree is introduced. the whole length of the clock - tree is reduced by decrease the load of new node, the performance of clock - tree is improved
摘要介紹了一種新的時鐘樹優化策略。通過減小時鐘樹子節點的負載，從而減少整時鐘樹線長，使時鐘樹性能得到了提高。Third, draw a unilateral line from every load node to the sink point. the line ' s capacity is the load value of the node and the cost is zero
從所有負荷節點到匯點各引一條單向弧，弧容量為節點負荷值，弧費用為零。Devfsd will take care of creating " old - style " compatibility device nodes, performing automated actions when a driver is registered unregistered, take care of backing up changes to device permissions and ownership to a directory on the root filesystem, and more
Devfsd將會負責創建「舊類型」兼容性設備節點；在注冊注銷設備時執行自動化操作；負責備份對根文件系統上某個目錄的設備許可權和所有權的更改，以及其它更多功能。( 4 ) it presents the architecture and basic function of haecs. it fulfills primary modules, which includes management and control interface, not only monitoring the state s of real nodes, but also the state of the service modules. it will delete it from the server table reside at the director when the real server or the service does n ' t work properly
完成了linux系統上的圖形管理控制界面，以及真實服務節點的服務功能監控模塊，監控模塊不僅能夠監控服務器的狀態，還可以監控服務模塊的狀態，一旦服務失效能夠及時地將該服務器從集群節點中刪除，在監控狀態中，模塊可以定時採集服務器的狀態信息，根據各個服務器的狀態，採用負載加權演算法來動態的管理集群，實現集群的智能管理。4. because there are sub - elements in a member with the introduction of inner joints, when tile spatial stifmess matrix of main joints of a member is made, there are some cases of solving the double nonlinear equations, negative stifmesses, and singular stiffness matrices in process of iterating
4 、由於引入了內結點，構件存在子單元，在形成主節點的構件空間單元剛度矩陣時，存在雙重非線性方程求解，迭代過程中負剛度和剛度矩陣奇異問題。Compared with traditional cluster, the cooperative - type - cluster has carried the sync net packets from all real server ’ s network cards to director and set up a priority queue of sync net packets for dmcs, then it has transmitted them through the cooperation of nodal servers and directoer, it has made that the nodeal server lost efficiency suddenly or automatically joined or broke away from the cluster not influence the whole system ’ s normal running again ; meanwhile, it can avoid reducing handling capacity even appearing phenomenon of “ living locking ” in high load
與傳統集群相比，合作式集群從各真實服務器端網卡報文隊列中分離出請求報文移至負載均衡器端，建立針對分散式測控系統的請求任務報文優先權排隊隊列，通過節點服務器與負載均衡器合作進行報文轉發，使得節點服務器突然失效或自動加入脫離集群不再影響整個系統的正常運行;同時，也能避免在高負載下處理能力降低甚至出現「活鎖」的現象。The reactive power optimization compensation is to find the suitable compensation place and the best compensation capacitance by adjusting the generator bus voltages, transform taps and reactive compensation capacities in the condition of satisfying power load requirement, which can guarantee the secure and high quality power for consumers. the improved genetic algorithm is applied in this thesis according to the features of reactive power optimization of high voltage transmission bus, which are the non - linear problems with multi - variables and multi - restrictions
電網無功優化補償是在有功潮流調度給定的情況下，以負荷節點電壓和線路輸送無功功率作為狀態變量，運用優化演算法，調節發電機節點電壓、變壓器可調分接頭和無功補償裝置，在滿足電力負荷的要求下，尋求合理的無功補償點和最佳補償容量，保證電網能夠安全、優質地向用戶供電。分享友人