集總參量系 的英文怎麼說
中文拼音 [jízǒngshēnliángxì]
集總參量系
英文
lumped parameter system-
Modbus transducer is the key device in the system and is used to offer power supply of pressure and temperature sensor, to collect signal, to linearizate and compensate temperature, to calculate density, volume and mass, to transmit data to modbus network, and display the data. so the modbus transducer is a multi - parament measurement, intelligent control device which can manage multi - signal
變送器是系統的核心設備,其作用是為油罐溫度、壓力、液位、可燃氣濃度等傳感器供電,採集傳感器信號並進行線性化、溫度補償等處理,完成密度、體積和質量等參數計算,將數據輸出到modbus現場總線測控網路,根據需要現場顯示計測量參數。The dynamic data of displacement, strain and impetus force acquired from the experimental collection system are also well analyzed for measuring precision and errors. based on the underlying work and experimental features, the thesis proposes a simple, practical and well accurate impetus resultant force fitting method, weighted factor fitting method. a line - off data processing software system for bird - impact experiment, named as cadabie, is well designed under the principle of software engineering, and has been applied, with high praise, in bird - impact laboratory in the factory numbered 320 and esfahan bird - impact laboratory of iran
本文系統總結了鳥撞實驗的全部過程、主要儀器設備的工作原理與性能參數,分析了鳥撞實驗動態數據採集系統中位移、應變與撞擊壓力傳感器測量系統的測量范圍、測量精度及其工作特點,提出了一種更適合鳥撞實驗的撞擊合力計算擬合方法:加權因子法,同時應用軟體工程原理編制了「鳥撞實驗計算西北工業大學博士論文機數據分析系統」 ( caoabie ) ,目前該軟體己經在320廠鳥撞實驗室以及On a basis of collection and analysis about domestic and foreign vehicles " window glasses in structure and technical parameter, by means of overall inductive analysis and comparison, bj1027 foton pickup and bj6486 foton car have been systematically analyzed and studied in particular their inner structure, operating principles and invalidation mode. in such a way can quality issues with glass lifter system of our vehicles be solved, also much experience will be accumulated as to improve lifter ' s design in the future as well
本文將在收集整理分析大量國內外同類車型車門玻璃升降器結構、技術參數的基礎上,採用歸納、綜合、分析、對比等方法,來對bj1027福田皮卡、 bj6486福田輕客車門玻璃升降系統的內部結構、工作原理、失效模式進行比較系統的分析、研究,以解決我公司汽車產品車門玻璃升降器系統所存在的質量問題,同時為我們今後進行車門玻璃升降器系統的設計工作總結經驗。With a view to the characteristics of contactor dynamic process that are short - time and great data, dsp is selected as mcu to realize real - time and high - speed collection of the contactor dynamic process testing parameters. field bus is used in this device to realize remote control, measurement and adjustment
針對接觸器動態過程時間短、數據量多的特點,選擇dsp作為核心控制單元,實現對接觸器動態過程參數數據採集的實時與高速,並將現場總線技術引入接觸器動態測試系統,實現測試過程的遙控、遙測、遙調。Although there have been many application instances in the field of input / output device technology, we need an specific project and technology route aimed at an given application. in this thesis, we combine the introduction and analysis of relative technology to describe the accomplishment of a coordinate collecting device which is based on incremental rotary encoder. this device is an specific device applied to collect the corrdinate displacement of ground image ’ s three - dimensional model created by full digital photogrammetric station. cpld chip and vhdl are applied in this device to carry out the following work : phase control of the electrical pulse created by incremental rotary encoder, counting the number of electrical pulse, controling the state of signal processing circuit, exchanging data between this circuit and pci control
本文結合相關技術的介紹和分析,描述了一個基於增量式旋轉編碼器的坐標參量採集介面卡的實現,此介面卡是一種用於採集全數字攝影測量系統地面影像模型坐標位移量的專用設備,該設備採用cpld器件和vhdl語言實現增量式旋轉編碼器的脈沖信號鑒相和計數、信號處理部分的狀態控制以及和pci總線晶元ch365之間的數據交換和通信功能,同時該設備的驅動程序基於wdm模式,並且配置有結構良好的動態鏈接庫程序作為系統軟體和驅動程序之間的數據和控制交互中間介面,能夠方便地運行在windows98 / 2000 / xp操作系統平臺上,具有實時性強、工作穩定、通用性較好和性價比高等特點。The second chapter is about the fault symptoms used as the basic knowledge in fault diagnosis field. a new concept of diagnosis parameter is defined in this chapter. the use of parameters is to make the sympotom description standard
第二章對故障診斷知識作了系統分析,定義了診斷參量的概念,並利用診斷參量進行故障徵兆的標準化描述,歸納總結了汽輪發電機組故障診斷常用的診斷參量;基於模糊信息處理技術,針對不同類型的徵兆建立了模糊子集,從而量化了徵兆。But also the question " which information can be expressed by the combined accounting statement ? " we describe our structure of the theory of the approach to the combination of financial statement throughout 3 parts. firstly we discuss the foundational theory of the approach to the combination of financial statement, which consists of objective of the combined accounting statement, the amending of the traditional accounting hypotheses, quality of the accounting information and the bounds, premise, principle, procedure of the combination of financial statement ; secondly we probe into the applied theory that consists of purchase method, pooling of interest, new entity method, parent company method and entity method ; at last we point out the authoritative criteria on the combination of the financial statement is the logic finality of our academic structure
從系統的角度,參照財務會計概念框架的這種邏輯路徑,排列組合相關概念和范疇,則將合併報表會計方法的理論結構分為三個層級:其一是合併報表會計方法的基礎理論,主要包括合併會計報表目標理論、對傳統會計假設的拓展、合併報表信息質量特徵以及合併報表的前提、范圍、原則、程序等;其二是合併報表會計方法的應用理論,是人們對實務中具體的合併報表會計方法的系統化的歸納、總結,主要包括購買法、權益集合法、新實體法以及母公司法和實體法等;其三是合併報表會計方法的技術規范,主要是指由權威部門制定的,對所管范圍內的合併報表等工作具有指導和約束作用,著重反映合併報表實務中帶有規律性的程序和方法的業務性規范。In this system, mean velocity pipe is applied to transform the air velocity signal into pressure difference signal, and then the pressure difference signal is input into pressure difference transmitter to realize the transform of the pressure difference signal from non - electricity signal to electric current, and through the resistance in the corresponding sampling circuit the electric current is transformed into voltage signal ; the thermocouple is used as the primary element to realize the transform from temperature signal to the voltage signal ; under the control of communication agreement module, diversified voltage signal is transported into computer by way of a / d conversion module, and then the monitoring software compiled beforehand is transferred to deal with all the voltage signals relatively, the result of which is conveyed to relative interface to display
該裝置具有三個特點:一是採用表面式測溫方法,有效地減少了元件的維護與損耗;二是採用工業控制計算機及信息就地採集、數據總線傳輸的方式,充分利用計算機和數據自動採集方面的技術,實現各種參數的在線測量,監測指標全面,能與dcs系統聯用,具有技術先進性和一定的前瞻性;三是採用顯示器配工業觸摸屏的顯示方式,為現場運行人員提供了簡單、易學、方便的操作模式。本裝置自2001年8月投入運行以來,有效地幫助、指導運行人員進行燃燒調整,對于鍋爐和機組的安全、經濟運行發揮了重要作用。Consequencely, the analysis and assessment system of the operating state of the concrete dam was developed under the ansys development environment, and the back - analysis and the prediction of the parameters of the dam system have been done according to the operating observed data. the research work involves several aspects as follows : 1 ) a back - analysis model including the prior information and a predictive model of nonlinear time series were established ; 2 ) the analysis and assessment system of the operating state of the concrete dam was developed under the ansys development environment, in which the analysis module of the loading effects, the back - analysis module, the forecasting module of the physical parameters and the assessment module of the operating state were contained ; 3 ) according to the operating observed data, the operating state of the dam was assessed and predicted with the analysis system of the operating state, the results suggested that the dam is in basically normal operation at present
具體工作有以下幾方面: 1 )收集整理漫灣水電站大壩運行監測資料,並對其進行了系統分析,從觀測資料本身直觀的分析了大壩的運行狀況; 2 )總結位移反分析的理論及方法,建立了考慮先驗信息多介質位移反分析模型,基於神經網路非線性映射功能,建立了神經網路時間序列預測模型; 3 )以ansys軟體為平臺,開發了漫灣水電站砼重力壩運行狀態評價模塊,結合荷載效應分析、參數反演分析、參數預測分析三個模塊組成漫灣水電站砼重力壩運行狀態分析系統;實現了對漫灣水電站運行狀態的動態「反演-預測」分析; 4 )利用漫灣水電站砼重力壩運行狀態分析系統,在漫灣大壩實測資料分析、大壩砼特性參數反分析、大壩砼彈性模量衰變規律及預測分析的基礎上,系統的分析並預測了大壩運行狀態。It is one of the most important works to run economically in today and future. the system of electric control automation in zhao zhaou is open, it bases on the net of rs485 bus control and centrally manages substation by control the main machine. the system controls the run parameter of electric equipment and the run environment by using the computer measure, communication and automation technology, it can realize measure, communicate, control and allocate in the remote area, transmit data and control through collect data and automatic count parameter
肇州縣電力調度自動化系統是以rs485總線工業現場控制網路為基礎,通過監控主機對變電站進行集中管理的完全開放式系統,該系統綜合了計算機、測量、通訊和自動化的專業技術來監控電力設備的運行參數、監控運行環境,通過對輸變電線路及設備的交流電壓、電流的數據採集,自動計算出功率、電量、功率因數、頻率等參數,實現四遙:遙測、遙信、遙控、遙調及數據傳輸和監控功能。Lumped parameter system
集總參量系統In the examining and approving process, the urban management department will refer to and process a large amount of text data, such as the application form of construction project and relevant sanctions, etc., as well as spatial data, such as : overall planning, detailed regulations on construction, etc. this dissertation intends to solve the problem of integrated management of text and graphic data, to achieve perfect integration between oas and gis in interface, function and data, and to realize the integrated text and graph for upmis
城市規劃管理部門在辦公過程中,不僅要處理並依據大量的文本數據,如建設項目申報表,相關批文,同時在審批過程中還要參考大量的圖形數據,如總體規劃、控制性詳規等,如何實現文本、空間數據的集成管理,實現辦公自動化( officeautomationsystem )與gis真正做到界面、功能和數據的無縫集成和實現「圖文一體化」的城市規劃管理信息系統也是本文研究的重點。( 3 ) an ert experiment system is developed base on the new resistance measuring circuit. this system is entirely designed as a field - bus instrument. instructions are sent from the pc to execute some work such as parameter configuration, fault - checking and data - acquiring
( 2 )基於該新型高速微弱電阻變化測量電路研製了一套完整的電阻層析成像系統,該儀表完全基於工業現場儀表模式設計,上位機通過rs232 rs422總線向下位機發送指令完成故障檢測、參數配置、數據採集等各種功能。In order to reach the requirement of applying for the multi - objective and multi - parameter measuring, we adopt the distributing computer controlling system which the at89c52 single chip was used as core in the system, also the circuit of signal conditioning and data acquisition and processing are all integrated in the system. we use nixie tube to fullfill the displaying function and adopt high - capacity memory to record the data of production process
同時為適應工廠要求對多目標、多參數進行監測的要求,採用了分散式計算機控制系統,該系統以at89c52單片機為核心,內部集成了信號調理、數據採集與處理、顯示等電路並擴展了大容量存儲器以保存最近幾次生產過程的檢測數據,同時還採用了rs485網路總線技術可以方便的將數據傳輸給上位控制中心。According to the requirement of the evaluation system, a measurement system is designed. it ' s data acquisition board is a microchip processor application system. it ' s main duty is to acquire the state parameters of the input - output air of the dryer - pressure, temperature, relative humidity, flux and transfer the data to a compuper
根據總體要求,設計了一個測試系統。其中的數據採集板是一個單片機應用系統。它負責採集乾燥器系統輸入輸出氣體的狀態參數? ?壓力、溫度、相對濕度、流量,並把數據通過串口上傳給計算機分析處理。The main works are described as follows : ( 1 ) we have summarized the latest research achievements and development of fractal theory and the applications in image processing domain and discussed and studied the definition, principle and algorithm of fractal and fractal dimension ; ( 2 ) aiming at the disadvantages of dfbr based edge detection method, an algorithm based on fractal intercept feature was put forward ; moreover, aiming at the bad anti - noise performance of traditional methods, a edge evaluation method was introduced to evaluate the performance of the algorithm and that of sobel - based algorithm quantificationally ; ( 3 ) furthermore, we proposed a novel method based on slope feature and intercept feature, then compared the performance with that of intercept - based method
通過對近年來國內外學術界對分形理論及其在圖像處理領域相關應用問題的研究成果和最新進展的搜集、整理和總結,對分形及分形維數的定義、原理、演算法以及在圖像處理上的應用進行了較為系統的研究和探討; 2針對基於dfbr場邊緣檢測典型演算法的缺點,採用了一種基於分形截距特徵的圖像邊緣檢測演算法,取得了較為滿意的結果;並針對傳統方法抗噪性能差的缺點,引入一種基於參照圖的邊緣評價方法,並對此演算法性能與傳統sobel演算法進行定量分析對比,實驗證明該演算法是有效的; 3The purpose of studying the structure - activity relationship ( sar ) of vitamin e is to study the difference of the molecular geometry, which has different effect on the reaction activity of the molecule and produce different biological activity. semi - empirical ami and pm3 method and ab initio 3 - 21g methods are applied to optimize the four different geometries of tocopherol in the present work. using the two methods we have obtained some parameters about the biological activity
計算步驟是,先使用hyperchem6構造出各種化合物,用hyperchem自帶的分子力學mm +和polak - ribiere優化方法在目標分子的構象空間中尋找能量相對較低的構象,然後用am1半經驗方法進一步優化其構型,得到一系列能量值,然後利用hyperchem6 . 0其中集成的qsar模塊,計算化合物的qsar參數,其中包括:疏水性參數( logp ) 、分子表面積、總體積、折射率、極化率等參數。On the basis of the new model, one of the important parameters, called the optimal operating temperature of the collector of a solar - driven refrigerator, is derived
基於新循環模型,導出太陽能集熱器的最佳工作溫度這一重要參量。由此獲得太陽能製冷系統的最大總性能系數,進而討論一些有意義的問題。In the thesis, i choose the horizontal and symbiotic industrial cluster basing on the natural resources as the objects to study, and make full use of knowledges from many subjects, including : economy, management, complex science, math, computing simulation, etc. through the idea of " down to up ", i make every individuality ( company ) inside the industrial clusters as a cell ; and choose techological support, labor supply, natural resourses reserve, maket overlay, intermediary service, public foundation, govenment policies as the outside influencing features ; and choose total assets, total production value, output ratio of capital as the indexes of system characters. then, i establish a computing simulation model on the optimal scale of industrial clusters basing on cellular automata model by matlab software, and simulate the shifts of characters of sigle cell according to the changing environments
本文主要以基於自然資源稟賦的水平共生型產業集群為研究對象,綜合應用現代經濟學、管理學、復雜性科學、數學和計算機模擬方法等多學科的知識,吸納「自下而上」的思想,選取技術支撐、勞動力供給、自然資源、市場輻射、中介服務、公共基礎、政府政策七個變量作為集群成長的外部影響因素以及總資產、總產值和資金產出率作為集群的系統特徵指標,以產業集群(系統)內部的個體企業為單位元胞,參照自適應、自組織的自然演化機制模擬單位元胞自身特質受到周邊環境的變化而改變,採用元胞自動機模型和matlab軟體,建立一個基於元胞自動機模型的產業集群規模演化的計算機模擬模型。Moreover, when the filaments are treated for 12 minutes, the interfacial shear stress will be lower than that treated for 6 minutes. izod pendulum is used to test the influence of the fiber / matrix bond strength on the low velocity impact responses of the composites. the curves of energy - time, force - time and velocity - time are obtained by a data acquisition system
用擺錘低速沖擊儀對界面粘結強度不同的材料進行沖擊試驗,藉助數據採集系統得到沖擊過程中材料吸收的總能量、承受載荷、擺錘速度等參數與時間的關系曲線,並通過pc機處理,將載荷?時間曲線轉化為載荷?位移曲線。分享友人