運轉進數 的英文怎麼說
中文拼音 [yùnzhuǎnjìnshǔ]
運轉進數
英文
running hours-
In addition, the second part of text adopts mmg segregative math model and correlative series test result and built ship manoeuvre movement equation of one propeller and one rudder ocean transport ship in still deep water. besides, the text used math model to workout calculated program that was modeled on ship ' s turning trajectory and zigzag manoeuvre
另外,論文後半部基於mmg分離式數學模型及相關的系列化試驗結果,建立了單槳單舵海洋運輸船舶在靜水中的船舶操縱運動方程,利用數學模型,編制了計算程序,對船舶回轉運動、 z形操縱運動進行了數學模擬。Suction gas pressure goes up as the compressor run at the lower speed in the lower burthen, and this is beneficial to lower systems energy - consume. when the system is controlled by wvf, the discharge change of the evaporator is not linear ; the electronic expansion valve is adopted to regulate the system superheat degree, and the controlled object is parameter time varying, accordingly, the time varying controller should be adopted
在負荷較小時,壓縮機採用低速運轉,吸氣壓力升高,這對系統降低能耗是有利的;變頻控制時,蒸發器製冷劑流量的變化並非線性;系統中採用電子膨脹閥進行過熱度控制,被控對象具有參數時變的特性,相應地宜採用變結構的控制器。Control system by using of japanese p. l. c system and servo electrical drive system by using of west germany basic design in order to the cutting length, square, tension control and sheet counting can be operated directly through operator and machine interface, are equipped with automatic shutdown function and also the speed, the amount of reams, the square of decurler, cutting size, breakdown can be dispayed clearly. easier for controlling the operation
控制系統採用日本系統及西德伺服電機設計理念,使紙張裁切的長度菱角的方正張力的控制及張數的計數可透過人機界面直接輸入,並有自動停機的功能設計,此外還可顯示速度令數反曲器之工作角度總切斷張數等數據,以及運轉故障之顯示,有助於機器維護工作的進行。According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d
本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間相關的速率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光焦斑端面位置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。On the bases of carrying out idle operation, cutting and modal experiment of certain numerical controlled lathe, it is determined that weak dynamic stiffness in the spindle component of machine tool is the reason in the respect of structure for causing cutting vibration of machine tools
摘要在對某型數控車床進行空運轉、切削及模態試驗的基礎上,確定了機床主軸部件動剛度薄弱是引起機床切削的結構顫振方面的原因。In the higher mathematics category, routine methods to work out the proof of an inequation are a flexible use of mathematical knowledge like monotonicity of functions, extremum values, maximum and minimum values, convexity function, medium value theorem, taylor equation, holder inequation, schwarz inequation, and the analysis, formation and transformation of inequation problems as well
摘要在高等數學?疇中,靈活運用函數的單調性、極值、最值、凸性函數、以及中值定理與泰勒公式、赫爾德不等式、施瓦茲不等式等數學知識,對不等式問題進行分析、構造與轉化,是解決不等式的證明問題的常用方法。First of all, we bring forward the basic project of tadil, which adapts to combined operations. it is suggested to use tdma ( the abbreviation of time division multiple access ) as the working pattern and utilize the concept of mobile ad hoc network to construct the data link network. aiming at the impact of time delay on data link and the characteristic of cooperative combat under the command of director aircraft, this thesis applies a kind of kalman filtering algorithm in polar coordinates to compensate the error of time delay, and then does the transformation of target motion parameters to obtain the current information of target
本文結合空軍裝備部某「十五」預研課題,圍繞著戰術數據鏈、多機協同多目標攻擊、超機動攻擊、空對地攻擊這四個方面展開了一系列的研究工作:本文首先給出了適應三軍聯合作戰的戰術數據鏈系統的基本方案,建議採用時分多址的工作模式,並利用移動自組織網路的概念構建數據鏈網路,同時針對數據鏈傳輸信息的時間延遲特性和指揮機指揮下的多機協同作戰特點,應用一種極坐標系下的卡爾曼濾波演算法對該傳輸延遲誤差進行補償,並在此基礎上進行目標運動參數的轉換,以獲得目標相對于某無人機的當前運動信息,且利用模擬驗證了方法的有效性。A mathematic model of the motor is builded and emulated through matlab. the low - speed and constant - torque, high - speed and constant - power state is analyzed and researched, also the software approach of simulation to the driver has been done, a digital signal processor tms320lf2407 is developed successfully to control the perm square - wave bldcm driving airscrew of solar powered unmanned engine. it is useful to the further study
在matlab下建立了電機的數學模型,通過計算機模擬,驗證了數學模型的正確性,同時在理論上對低速恆轉矩高速恆功率運行進行了分析與研究,提出了一種用模糊控制的方法實現恆功率控制,並對驅動器進行了系統模擬,成功的研製了以數字信號處理控制器tms320lf2407為控制核心的驅動器,控制無刷直流電動機驅動太陽能無人飛機的螺旋槳,為後面繼續研究工作提供了參考。The machine is equipped with imported all - digital ac frequency converter system, high control accuracy and smooth running
電機控制配備進口全數字式交流變頻控制系統,控制精度高,機器運轉平穩。This process repeats itself at the same frequency at which the engine is running and thus, if the exhaust pipe can be made to resonate at the operating rpm of the engine, this will improve the engine ' s efficiency
因此這重覆的自我進氣壓縮過程在相同頻率的引擎運轉下,如果排氣管可使引擎的每分鐘轉數產生共振,那這將提升引擎的效能The principle of the neural network models is different from that of the real - time running models. the latter is designed on the engine running, so the effect of the control strategy on engine performance can be observed clearly. while the former works out the solution directly from the testing data, avoiding the complex calculation procedure
神經網路模型與實時運轉模型的構成原理不同,實時模型以發動機運轉機理為設計依據,使于充分觀測控制策略對發動機各種性能指標的影響;而神經網路模型是根據己有的試驗數據進行直接推理,可避免大量的簡化、推導、求解過程,對于諸多機理繁復的發動機變量而言是一極佳的求解方案,因此就更全面的進行電控系統的調試評估考慮,兩種模型有著良好的互補性。In chapter 4, for the first time, in the way of virtual malfunction simulation, cooling water of diesel engine type 4135 has been simulated under the stopping water supply malfunction. and the analysis and discussion has been taken on the result of transient temperature curve of the simulation. and in the same way, internally cooling oil piston of diesel engine type 180 has been numerically simulated on the virtual thermal loading mal
得出了虛擬其斷水故障模擬的瞬態溫度曲線結果,並對其進行了分析和探討;同時也用虛擬模擬的思想對180型柴油機內油冷活塞進行了虛擬其熱負荷故障的數值模擬,得出了其在斷油情況下和超負荷運轉情況下的分析結果。Thermal stress control system actually gather the real - time data of unit sets , compute temperature fields , stress fields and maximum dangerous stress by the math modal , decide target and speedup rotation in every stage of startup process , and justify automatically to realize auto control a serial of processes of turbine , such as speedup , warm - up , connecting net , load changing , stop and unsteady condition etc , and improve automatic level of the unit sets. turbine auto startup ( tas ) system can automatically evaluate steam turbine ' s startup and load changing process according to thermal stress of
熱應力控制系統實際是對機組運行參數進行實時採集與監控,通過數學模型實時地計算高、中壓缸轉子的溫度場、應力場分佈,以及最危險熱應力,以確定啟動過程各階段的目標轉數及升速率,並進行自動調整,實現機組沖轉、升速、暖機、並網、升負荷、停機以及異常工況下的自動控制,大大提高了機組的自動化水平。Abstract : in this paper, the characteristics of production system have been analyzed and the production economic functions have been set up in mine. the matrix of two - dimension alternately action is analyzed for mining process and factor in open - pit mine. it is made algorithm for matrix of two - dimension alternately action. under the conditions of binding, mine system is optimum running by optimal program, optimal coordination and optimal control
文摘:分析了礦山生產系統的特點,建立了礦山生產經濟函數,對露天礦生產工藝、生產因素進行了二元交互作用矩陣分析,提出了求解二元交互作用矩陣的演算法,通過最優計劃、最優協調、最優控制使礦山生產系統在一定約束條件下最佳運轉。The new algorithm starts from an initial estimate which is based on the hough transform, and a rectangular window is centered using the current line approximation, and a new line estimation is generated by making a total least squares fit through the pixels contained within the window. this is repeated until convergence is reached. lastly, we have suggested a new technique which may recover the motion and structure parameters of a moving object by using of 21 optical flow lines based on the optical flow fields of the feature line this thesis is the project supported by aeronautical foundation science ( no. 99f53065 ) and research center of measuring and testing technologies, and control engineering in nanchang institute of aeronautical technology ( no. 2001 - 15 )
演算法的思路是:首先,在小區域內運用霍夫變換確定直線的初始值;其次,以直線的初始值所對應的直線為中心線,建立一個矩形框;最後,利用矩形框內所包含的邊緣點數據不斷地迭代直至收斂,從而達到進一步修正直線的坐標參數;本文基於特徵直線的光流場,即線流場,建立了一種利用21條光流線確定空間三維物體旋轉運動參數、平移運動參數以及對應的空間直線坐標的線性演算法。This text bases on research result of former russia scholar to compiling calculational program, which predicts turning trajectory and zigzag manoeuvre of single ship model and various formal ship fleet models in the condition of deep water and shallow water
本論文是採用前蘇聯學者巴甫連柯等學者的研究成果編制計算程序,對單船船模及常見的各種形式的船隊船模的回轉運動、 z型操縱運動進行了數學模擬。Firstly, the experience and the reason of vehicle hot axle engendering are analyzed. secondly, by utilizing the thermodynamic theory of hot axle box, the heat balance of vehicle alxe temperature field is analyzed. thirdly, the temperature rule in alxe box is studied through the two methods of linear regression and probability and fuzzy mathematics and the subject function of running heat, micro - heat, strong heat is built
第一部分列車軸溫規律的研究,首先分析了車輛熱軸發生歷程和產生熱軸原因,其次應用車輛軸箱熱力學理論,對車輛軸箱溫度場進行了熱平衡分析,最後應用一元線性回歸及概率分析和模糊數學方法得出了運轉熱軸溫規律,並建立了運轉熱、微熱、強熱、激熱的隸屬函數。4 ) the gear pump is tested both in the manufactory and in the pet equipment
4 )對高參數齒輪泵樣機作了運轉試驗並對其生產現場運行進行了測試。Now, the more and more digital libraries have been organized to establish, but almost all majority organization has neglected to evaluate it after used specially in good situation
現在,越來越多的數字圖書館被組織建立,可是在數字圖書館付諸使用后,特別是在其運轉狀況良好的情況下,大多數組織都忽視了對其進行評價。Finally, by using the soft of matlab to compare with the data of experiment and computing of theory model, figures are given to evaluate the effect of the model and get the best fit running parameters of the test engine
最後文章結合試驗數據和理論模型計算,利用madab處理數據,對影響雙燃料發動機性能的各種參數進行了比較分析和優化,得出了試驗機型的最佳的運轉參數。分享友人