程式控制定時器 的英文怎麼說

中文拼音 [chéngshìkòngzhìdìngshí]
程式控制定時器 英文
programmable timer
  • : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
  • : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
  • : 動詞1 (告發;控告) accuse; charge 2 (控制) control; dominate 3 (使容器口兒朝下 讓裏面的液體慢...
  • : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 程式 : form; pattern; formula; modality
  • 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
  1. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下: 1 )對翅片管蒸發結構特點進行分析,選取適當的微元體,就干、濕和霜工況下對每個微元分別進行傳熱傳質分析,基於經驗關系霜的有關參數,對于霜工況下的霜生長建立模型,經適當假設,運用質量守恆、能量守恆和動量守恆方建立適合動態模擬的蒸發數學模型,為系統模擬奠基礎; 2 )對蒸發在大擾動下的開、停機過,運用動態集中參數模型進行分析和計算,為更好地描述製冷系統運行的全過基礎,同也為製冷系統實現自動提供一的理論基礎; 3 )對蒸發正常運行過,運用動態分佈參數和參數間量耦合的觀點來分析和計算,為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發動態特性的影響即蒸發性能對各參數變化的敏感性; 4 )編寫翅片管蒸發動態特性模擬計算序,可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場,實現對翅片管蒸發在干、濕和霜工況下的動態模擬。
  2. From the introduction of the structure and characteristic of dcs, the analyzing in process and control peculiarity of huaxin type cement kiln and the analyzing in the ordinary forms of computer control system in the cement plant, to determine the feasibility of application of the dcs in computer control system of huaxin type cement kiln ; introduced the structure of the system hardware, constitutes and characteristic of the industrial network, the characteristic and the performance in industrial control system of the software system ; illuminated the whole course of the design and the application of simatic s7 - 300 programmable controller in the industrial producing process profoundly : the protraction of a control flowchart ; the confirmation of the control scheme in every cell ; how to workout a table of the all controlling and measuring dots in the control system ; how to set up a plc control project ; the configuration of the hardware and the network in project ; illuminated the course of how to program the plc control program in detail ; how to establish a connection between the plc and the programmer ; how to download the configuration and the program of the plc project ; the configuration of control center software simatic wincc ; the whole course and the methods of the control system debugging ; illuminated the essential in the course of the design in project and program ; illuminated the problem and its respondence maybe encountered in the project ; illuminated the superiority of the new control system in inspecting, operating and its stability ; discuss the development of the computer control system in the application of the huaxin type cement kiln

    從介紹了dcs的結構、特點和分析華新型水泥窯的工藝特點及當今在水泥窯計算機系統上採用的幾種常見形的比較出發,分析了在華新型水泥窯應用dcs的可行性;詳細介紹了系統硬體結構、網路組成及特點、所採用的軟體體系的特點及其在工業應用中的性能;深入詳細地說明了西門子s7 - 300可編在華新型水泥窯上應用及設計的全過圖的繪;單元方案的確;系統測點表的編; plc項目的建立;項目硬體及網路的組態; plc序的編並詳細說明了序的編思路; plc與編連接的建立; plc項目組態及序的下載; wincc監軟體的組態;系統的調試過及方法;對設計和使用的要點及系統調試應注意的問題進行了說明;對項目的實施后的華新型水泥窯系統在操作和上及其在系統易維護性、系統穩性上的優勢進行了說明並討論了華新型水泥窯計算機系統的發展方向。
  3. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和現狀,液浮擺加速度計的工作原理和數學模型等作了簡要的介紹,然後確了以二元調寬脈沖再平衡測試迴路為設計方案,並從理論的角度進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩性,同設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調、頻標電路以及力矩電流發生等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀工具? ? labview作為測試軟體開發工具,利用該圖形化編語言完成了測試系統軟體部分的設計,實現了測試功能。
  4. Series full - auto pipe expander with drawing device and program interface is used with extruding machine. it is also used solitarily, while expanding pipes, the machine adopts translation, the action is steady and corret, it does not damage pipe materical, the machine adoptes double - infrared heating oven type, each oven is equipped with heating cire, the shaping method adopts expanding - end shaping, the size of pipe mouth is correct. on its panel, there is a transfer swith of expanding solvent type pipe socket ( straigh port ) and expanding sealloop type pipe socket ( rport ). the choice of expanding pipe type is very convenient, the technologocal adaptability is strong, its main electric control elements are all imported. the syetem charecteristics are steady and reliable

    配有與主機配套的接料牽引裝置和相應的序介面,既能與擠管主機聯線使用,又可以作單機使用;擴管管材的移動均採用平移方,動作平穩準確而且不易損傷管材;這種機型採用紅外線加熱方且為雙加熱爐型,每個加熱爐都配有中心加熱爐芯;成型方均採用擴管頭型方,管口成型尺寸準確;該機型在面板上設有擴溶劑型承介面(直口)和擴彈性密封圈型承介面( r口)的轉換開關,擴管方選擇十分方便,工藝適應性強;主要的電元件均採用進口元件,系統性能穩可靠。
  5. The neuron control method with self - tuning gain is proposed for a ph neutralization process. in this control system, the fuzzy t - s model is used to predict the control signal. the neuron controller gain is calculated according to the parameter estimation and experience formulas

    針對具有嚴重非線性特性的ph中和過,提出了一種模糊增益自整神經元方法,這種方法採用t - s模糊推理估計下一刻的量,並通過參數估計和經驗公來計算出神經元的增益。
  6. Further investigated and analyzed composition structure and flow data that dsa ' s formation of image is systematic at first in this paper, carried on intact summing up to the data in the system, having given out the plan of design of high speed and large capacity data channel of digital formation of image system of x - ray ; deeper discussion of control way on sdram, give solution that many pieces of sdram works togetherses of realizing heavy capacity, designing of heavy capacity deposit board realize storing at a high speed to vision data by frame on the basis of this ; through further investigations of interface of pci bus, optimize back end state machine design and urge procedure making with lower, giving intact pci interface scheme that realize high speed dma data transmission and satisfy request of video transmitting ; further investigate the figure systematic design method of programmable logic devices, due to the difficult point of drifting about of enabled signal in fifo in common use and setting up and keeping of output signal, method has been proposed of improving stability of system making use of signal utilizing the phase locking ring in fpga to offer a lot of clocks to move thus realize coordinating the data between every module of system to transmit at a high speed by making use of fifo

    本文首先對數字減影血管造影( dsa )成像系統的組成結構和數據流向進行了深入研究和分析,並對系統中的數據流向進行了完整的歸納和總結,給出了x線數字成像系統中的高速大容量數據通道的設計方案;在對sdram的做了深入探討后,給出了實現大容量多條sdram共同工作的解決方案,在此基礎上設計了大容量幀存板實現對圖象數據進行高速存儲;通過對pci總線介面的深入研究,優化後端狀態機設計和低層驅動序開發,給出了完整的pci介面方案實現高速dma數據傳輸,完全可以滿足視頻傳輸要求;深入研究了基於大規模可編件的數字系統設計方法,針對通用fifo使能信號漂移、輸出數據難于建立和保持等設計難點,提出了利用fpga中的鎖相環提供多個鐘相移的信號來提高系統穩性的解決方案,從而實現利用fifo來協調系統各模塊之間的數據高速傳輸。
  7. To start vehicle rapidly and smoothly, a kind of method based on fuzzy technique to control the engaging - pressure of wet - clutch has been established. fuzzy control will achieve the following advantages : the engine can be controlled to be operated steadily during lower speed and the starting noise can be reduced

    為了實現汽車起步的迅速和平穩,建立了基於模糊技術離合油壓的計算方法,該方法的優點表現在汽車起步過發動機在低速下穩運行,縮短起步間,減少起步沖擊。
  8. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault , researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system , a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows : this paper compared some existing methods in excitation control , fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 , indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which , discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations , made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations , which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations , there were several very important parameters of power system - - rotor angle ( ) , rotor speed ( ) , generator q axis voltage ( eq ) , transient voltage ( e ' q ) , active power ( pe ) , mechanical input power ( pm ) , valve opening ( ) , generator terminal voltage ( vt ) , based on the model , nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault , which achieved better postfault regulation compared with another two routine methods , one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上,詳細介紹了dfl理論,通過比較闡明了dfl理論其本質是逆系統方法的一類,並結合具體課題推導出的模型方將dfl理論進行了擴展,使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行的模型方,此模型方涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ,在此基礎上建立了實用的電力系統簡化的數學模型,並將擴展的dfl理論應用於此模型系統,結合線性二次型最優理論設計出大型汽輪發電機的非線性綜合及機端電壓最優,通過模擬實驗與採用常規的按電壓偏差進行調節的比例勵磁+汽門比例及採用常規的按電壓偏差進行調節的比例勵磁調節和基於二次型性能指標設計的最優快汽門(考慮發電機的飽和因素)進行了對比,證實了採用此種可以有效地提高電力系統的暫態穩性,並且在電力系統遭受小干擾同樣具有良好的調節性能。
  9. Based on the analysis of gas - solid multiphase catalytic reaction, the chemical reaction model is established. when the reaction is controlled by the chemical dynamic, the reaction rate is introduced by consideration of the adsorption and desorption effects. when the reaction is controlled by mass transfer, the diffusion coefficient is established which can present the flow rate increases in small reynolds domain ; for the internal diffusion, the internal diffusion coefficient is derived, and then the internal diffusion is coupled with chemical reaction to represent the phenomenon that the diffusion and the chemical reaction occur cocurrently

    本文在考慮催化轉化載體內發生的傳熱傳質現象的基礎上,建立了催化轉化的一維單孔道和三維多孔道傳熱傳質模型;在分析載體內以氣-固多相催化反應為特點的工作機理的基礎上,建立了催化轉化的化學反應模型:當催化轉化處于化學動力學,引入了考慮吸附、表面反應和脫附的表面化學反應速率公,當催化轉化處于質量輸運,引入了決外擴散能力的擴散系數公和和決內擴散速率的內擴散系數公,並與化學反應速率相耦合,得出由擴散過的化學反應速率公
  10. A resonant machine structure tying the crankshaft on the main bearing is made as the test system ' s pallet. the loading part is a machinery activator driven by motor. the control core is made up by a plc and a pc

    系統的核心由可以長間穩工作的可編( plc )和計算機組成上下位機及若干相關部件構成,它可以有效的保證曲軸疲勞試驗的人機對話能力、試驗載荷的高精度和試驗運行抗干擾能力。
  11. By using the hydraulic torque converter to drive the mud pump, both the prime motor and the working machine can be protected, and the pump pressure can be controlled in the whole course of drilling if the rated rotary speed of the diesel engines is kept

    通過液力變矩驅動鉆井泵可同保護原動機和工作機;在保持柴油機額轉速的條件下,可實現泵壓的全過
  12. With the deep analysis on the system architecture of tms320c25, the functions provided by the tms320c25 architecture have been simulated, which include the addressing mode ' s processing simulation, interrupt simulation, timer function simulation, serial port simulation, program control simulation

    經過深入分析tms320c25系統結構,對tms320c25結構提供的功能進行了模擬,它們包括尋址方模擬、中斷的模擬、功能模擬、串列口模擬、序的模擬。
  13. With its excellent stability and powerful functions, plc is now widely used in manufacture industry, electric power field, traffic field and etc. many old types of equipment adopts the control system with circuit boards and relays, it ' s in dire need of a new control system to updating the old one

    可編( plc )是以繼電邏輯系統為基礎,逐步發展為以處理為中心,同具有各類運算、、網路等功能的系統,憑借良好的穩性和強大的功能,使得在製造工業、電力、運輸等領域有著廣泛的應用。
  14. The experiment table equips a number of spare instruments, and plc also have a number of logic element. students can corporate some spare instruments to constitute more closely actual industry cycle, and compile the corresponding plc program, and fix the electric cycle to complete the auto - control of the hydraulic cycle

    該實驗臺備有一數目的備用液壓元件,同可編也留有一數目的備用開關量,學生可以自己增加元件組成更加接近實際工業應用的迴路,並自己編序,並動手接線實現該液壓迴路功能。
  15. This paper endeavors to make some progress to the disadvantages of delivery system for soldering line renovated by scfst corporation ltd. to this point, we design a kind of new - style delivery system with the plc as controlling units, equipped with transducer aiming to adjust the speed of motor

    由於此輸送系統存在諸多弊端,嚴重影響生產線生產的順利進行,設計了以可編( plc )為單元,同使用變頻對電機進行調速的新型的長運輸系統。
  16. And then, it presents changan star sc6350 abs uses three control channels, the control way is front wheel single controlling, and rear wheel is select - low control. the abs system makes the vehicle have good handleability and directional stability during the braking and shorts the braking distance

    在此基礎上,提出sc6350 「長安之星」的abs系統採用4傳感3通道型為前輪獨立、后輪低選擇同,使汽車能夠在動過中,確保轉向操縱性,改善方向穩性,縮短了動距離。
  17. Emphatically introduce the can communication protocol in user layer based on multi - host competition and bus arbitration, and state the distribute software mechanism which applies the vxd ( virtual x device ) technology which work in ringo of the windows operation system to realize the real - time control of the robotic excavator

    著重闡述了基於多主競爭和總線仲裁的命令加參數的can高層通信協議的和為實現機人實而採用的以vxd (虛擬設備驅動序)為核心的分層分散軟體體系結構。 4 、展示挖掘機人分散系統的運行狀況。
  18. The simulation of the addressing mode provides the possibility for the instruction simulation, and the simulation of the interrupt, timer and serial port lets the simulator implement the functions of the interrupt, timer and serial like a processor, and the program control simulation provides the possibility for running the program. this function is also the base for debugging program, which can set step running mode, set break points by using this program

    尋址方的模擬為指令的模擬提供了可能,中斷、和串列口的模擬使模擬可以象處理一樣完成中斷功能、功能和串列通訊功能,的模擬為序運行提供了可能,這一功能又是調試序的基礎,通過這個序可以單步執行,設斷點執行。
  19. Methods of evaluating the performance of time proportioning controllers for use in industrial - process control systems

    工業過系統用間比例性能評方法
  20. Can ( controller area network ) is famous for its excellent real - time ability and high performance to cost ratio. can is a typical event - triggered field - bus, and can applications exhibit low bandwidth utilization ratio. a time - triggered scheduling method for the can 2. 0 has been presented by use of hardware periodical interrupt of micro - controller and software programming technique

    ( 2 ) can ( controllerareanetwork )總線技術實性好,性價比高,但這種事件觸發型現場總線網路利用率較低,針對can總線在分散系統中的應用,利用微的硬體,結合軟體編,提出了一種can總線的間觸發調度方法。
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