on-off system 中文意思是什麼
on-off system
解釋
斷續控制系統-
Ground test equipment training simulation system based on off - ballistic trajectory measure and wireless security system of launch vehicle
運載火箭外測安全系統地面測試設備模擬訓練系統 -
The study object of this paper is design and study of the syetem - mentioned above. the circumstance paraments of remote communication room such as temprarure, humidity, fire alarm and air - condition ' s on - off could be real - time supervised. this paper firstly intrduces the backgroud and study signification of the task, review the development of supervisement system and narrate the frame, technology criterion, network frame and calculation mode of variet kinds supervisment system. the network functions of variet kinds of confignation software are analysed
本文以西昌衛星發射中心遠程機房監控系統的研究設計為對象，通過網路實現對遠端的14個通信機房實時監控，實時監測室內溫度、濕度、實時監測室內煙、火，實時監測空調設備運行情況，出現異常情況，聯動告警裝置，本端機房和遠端監控機房自動聲光告警。 -
Then a vsc controller using on - off valve and two potentiometers are designed for cushioning control system. it can realize the balanced, no shock, no reversing cushioning. experiments under different air pressure, load mass are carried out, and the results prove that the vsc controller can be used in pneumatic cushioning
第五章首先介紹了變結構控制的原理和應用發展情況，然後針對本實驗系統設計了一個使用開關閥和端位位移傳感器的變結構控制方案，實現緩沖過程的平穩無沖擊和無回彈要求，並在不同氣源壓力、不同負載質量下分析了控制性能的變化，實驗結果證明緩沖控制採用變結構控制是可行的，並具有很強的魯棒性。 -
The system, which includes an industrial computer ( ipc ) as the upper - computer and twenty plc as the low - computer to control more then 40 sulphuration machines, can transmit data by rs - 485 net work, get the work state of sulphuration machine using on - off card or by communicating with plc and show the state on the watch screen
控制系統由一臺工控機作為上位機，由20臺plc作為下位機控制工作現場40多臺硫化機的工作，採用rs485作為通信網路進行數據傳輸，通過開關量卡以及與plc的通信得到硫化機的工作狀態並在監視屏幕上顯示。 -
Several semi - active control algorithms used in the semi - active suspension system with mr dampers are proposed and developed including the " on - off " voltage controller, the continuously linear variable voltage controller, the modulated continuously linear variable voltage controller based on " sky - hook " damping concept and the hybrid controller based on the combination of " sky - hook " damping concept and " ground - hook " damping concept and the fuzzy logic controllers using measurements of the relative displacement between the sprung and unsprung mass or the absolute acceleration of the sprung mass as the input variables of fuzzy logic controllers. the simulation models were prepared in matlab ? simulink ? fuzzy toolbox programs. the experiment setup of the semi - active suspension system with mr dampers in the lab has been designed and developed
根據磁流變阻尼器特性和對懸架系統動力學特性的規律性研究，為磁流變阻尼器設計了基於「天棚」阻尼控制概念的「 on - off 」 、線性連續和修正的線性連續控制策略，基於「地棚」阻尼控制概念的磁流變阻尼線性連續控制策略， 「天棚」阻尼和「地棚」阻尼控制概念線性組合起來的磁流變阻尼混合控制策略，根據模糊控制原理設計了以簧載質量和非簧載質量間相對位移或簧載質量加速度分別作為輸入變量的模糊邏輯控制器用於磁流變阻尼半主動懸架的智能控制。 -
Meanwhile, in consideration of the self - similar nature of traffic in communication networks, the queueing system of an on / off traffic source with heavy - tailed distribution is discussed, because the aggregating traffic of a mass of such traffic sources exhibits self - similarity. the main research works and results are listed as follows
同時，考慮到網路業務具有自相似性，而且大量具有「重尾」特性的信源產生的業務疊加后可以生成自相似業務，本文對這類信源的排隊系統進行了探討。 -
First off, the supplied shell scripts wouldn t run on my system because they used dos - style line endings
首先，提供的shell腳本在我的系統上不運行，因為它們使用dos格式的行結束。 -
A farmer is justified in using it on the on-and-off system in february-march.
牧場主把它用在二三月之間的斷續放牧制度中是有道理的。 -
The structure, function and characteristic with the principle and method of tank gauging system are described. then the structure, principle of the circuit and the main chips of the data processing unit are introduced. after this, the software design of data processing unit including rs - 485 ( modbus ) module, 4 - 20ma analog module, on - off module, rtd module, pulse module, calculation and display module, communication module and neuron chip program module and also the method of resolving the problems which were found at the process of debugging are emphasized
隨后介紹了現場數據處理器的結構，電路原理，所運用的主要晶元；並重點闡述了作者在課題研究中所作的工作，即現場數據處理器軟體的設計包括八個功能模塊： rs - 485 （ modbus ）模塊、 4 ? 20ma模擬量採集模塊、開關量處理模塊、 rtd信號採集模塊、頻率量採集模塊、計算和顯示模塊、通訊模塊、 neuron晶元中的程序模塊；以及在課題研究和現場調試過程中遇到的問題及解決辦法。 -
The paper analyzes the non - lineal relations of the quantity of heat exchange and water flux of coil exchanger in part - load operating condition, the shortage of deciding the water flux in bypass pipe, the disadvantage that the operating condition of pumps and chiller ca n ' t be met with the load change of the air conditioning system in different operating condition of using pressure - difference bypassing control in primary water pump system. using load control method in the change of the operating condition of primary water pump system can realize that the load change is small and reasonable in the on / off condition of pumps and m m chiller by comparing load control method in primary variable - flow water pump system with pressure - difference bypassing control method, back water temperature control method
本論文從目前空調工程中使用的變流量水系統入手，研究了盤管換熱器在部分負荷下水流量與換熱量的非線性關系，分析了文獻中介紹的旁通管通流能力選擇的不足之處和一次泵水系統採用壓差旁通控制時，工況轉換不能滿足系統控制要求的缺陷；比較了一次泵變流量水系統中壓差旁通控製法、回水溫度控製法、負荷控製法的精確性，並得出了在一次泵水系統的工況轉換時，採用負荷控製法能使冷水機組及其相應水泵在啟停時的負荷變化范圍較小，更符合建築物的冷量需求，節能效果較好的結論。 -
Hardware framework of the system is based on isa buses of general pc or ipc, including 12 _ bit multiplying d / a conversion, time interrupt, pulse receiving, zero check and on - off and warning circuit
該系統硬體結構是基於普通pc機或工控機的isa總線而開發，其功能集12位dac轉換、定時中斷、脈沖接收、倍頻辨向計數、零點檢測及使能報警等於一體。 -
Plc is widely used in automatic control for its strong function, high reliability, wide applicability, modular structure and etc. many customer services, such as showing process - flow charts, displaying dynamic - data - base interfaces, editing tables, generating charts, managing production and etc, can be provided by connecting personal computers ( pcs ) to a plc network. in a plc - pc system, plcs, which serves as the low - level units, are used to collect and control the data, ( for example, the on / off quantities and analog input / output quantities )
把個人計算機連入plc網路可以向用戶提供諸如工藝流程圖顯示、動態數據畫面顯示、報表編制、趨勢圖生成、窗口技術以及生產管理等多種功能，作為底層單元的plc完成對現場開關量、模擬輸入輸出量的控制處理，而利用微型計算機良好的人機對話界面和數據處理功能，實現對一臺或多臺plc進行監控，充分發揮plc可靠、靈活的控制性能和計算機在管理、監控等方面的優勢，提高控制系統的整體自動化程度。 -
Limited to historical reasons, conventional paint drying methods for lpg bottle are all infrared ray heating, which has some advantages such as simple system, convenient operation and fast on - off, but it has some disadvantages such as higher energy cost and maintenance costs
限於歷史原因，傳統鋼瓶烤漆工藝均採用遠紅外電加熱烤漆方法，其優點是系統簡單、操作方便和起停迅速。但其缺點也非常明顯，烤漆能耗費用較高，遠紅外電加熱硅板更新費用較多。 -
In order to overcome the disadvantages of servo valves and the spool valves, the fast hydraulic system controlled by the fast on - off valve is researched which uses the on - off valves as the pilot valves. they are used to control the opening and closing of the logic valves, thus they can control the pressure and the flow. so they can control the movement direction and the velocity of the piston
為了克服伺服閥和滑閥的不足，本文所研究的基於快速開關閥的快速液壓系統採用快速開關閥作先導閥，控制邏輯閥的開啟和關閉，從而控制液流的通斷和壓力的高低、流量的大小，以實現對活塞運動方向、速度的控制。 -
This system is exploited completely according to national standard of vehicle traveling data recorder, can implement all of the function of the national standard of vehicle traveling data recorder, including date, time, car speed, mileage, start time, stop time, driving time, over speed, overtime, alarm of over speed and overtime, status identify of ic card, and many kind of status of on - off signal, including on - off vehicle door, brake status, turn signal status, dipped headlight and high beam etc.
本系統就是完全依照汽車行駛記錄儀的國家標準而開發的，目標是實現國家標準中規定的所有汽車行駛記錄儀應該達到的功能指標，包括可靠記錄日期、時間、車速、行駛里程、開車時刻、停車時刻、行駛時間、超速時間、超時時間、超速超時告警、 ic卡身份識別等信息和車門開關、剎車狀態、方向燈狀態、近/遠光燈等各種開關信號的狀態的功能。 -
In this paper, nonlinear static analysis methods, structural dynamic time history analyses based on structural state equation in hamilton system, multi - mode control theories of multiple tuned mass dampers, and semi active control laws of " on - off " are investigated
本文分析和研究了結構靜力彈塑性分析方法、基於hamilton體系下結構狀態方程求解結構動力學問題的數值逐步積分方法、多重調諧質量阻尼器（ mtmd ）的多模態控制理論以及建築結構的半主動控制律。 -
From the research of the experiment and the simulation, conclusions and suggestions are gotten : ( 1 ) the fast hydraulic system which uses fast on - off valve as the pilot valves to control the logic valve is an available system
從模擬和實驗研究可得出如下結論和建議： （ 1 ）本課題所研究的採用快速開關閥作先導閥控制邏輯閥的快速液壓系統，是比較可行的方案。 -
The results of numerical experiments, using the four - dimensional variational data assimilation system of the nonhydrostatic mesoscale model mm5, show that : the tangent linear model and adjoint model conducted by keeping the " on - off " switches the same as the basic state, can provide a good approximation of the first - order information to the nlm perturbation and a good descent direction for the minimization procedure ; switching on and off at every other time step in the kuo cumulus parameterization scheme do n ' t impact the convergence rate of cost function ; the existence of the switches do n ' t impact improvement to the mm5 model rainfall prediction because that not only specific humidity, but also wind, temperature and pressure are assimilated into the model
非靜力中尺度數值模式mm5的四維變分資料同化系統進行的數值試驗結果表明： 「開關」變量保持與基態一致，所構造的切向線性模式能夠提供關于非線性模式擾動的一階近似，伴隨模式所計算的梯度值能夠為最小化過程提供較好的下降方向；郭氏降水參數化方案中對流每隔一個積分步的交替發生並不影響目標函數最小化的收斂速度； 「開關」變量的存在也不影響將風、溫度、氣壓和比濕結合起來同化對mm5降水預報準確性的提高。 -
Since the analysis of the inverter and its control system is very complex, the frequency analysis, time domain analysis and control system is made in capacitance operated conditions limited to pressure of time and paper length. the research content can be summed up as follows : ( 1 ) a new equivalent circuit of dbd circuit ( dielectric barrier discharge ) that consider the consume of transformer, the on - off switching loses and so on is presented based on the ozonier powered by sine current source. as compared with the former equivalent, the new equivalent circuit can be depicted the actual ozone circuit accurately
本文主要針對容性狀態下的臭氧發生器電源進行相關研究，研究內容包括以下幾部分: （ 1 ）在正弦電流源供電的dbd型發生器的基波等效電路基礎上，提出了一種考慮電路雜散損耗（變壓器勵磁損耗、開關管開關和導通損耗以及其他元件的熱損耗）的改進型基波等效電路，並採用該等效電路得出了適用的臭氧發生器電源設計方法，實驗驗證了該基波等效電路具有工程設計精度高的優點。 -
Soft loading soft loading refers to the ramping of load onto or off of a generator in a gradual fashion for the purpose of minimizing voltage and frequency transients on the system
軟加載軟加載是指在給發電機組增加或減少負載時要逐漸進行，以減少電壓和頻率對系統的瞬變影響。
分享友人