調速隨動系統 的英文怎麼說

中文拼音 [diàosuídòngtǒng]
調速隨動系統 英文
speed follow up system
  • 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : Ⅰ動詞1 (跟; 跟隨) follow 2 (順從) comply with; adapt to 3 (任憑; 由著) let (sb do as he li...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
  • 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
  1. In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 , and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory

    由直流脈寬調( pwm )和位置環構成的定位中,度環的參數負載特性;電網電壓;給定工況而攝是不容忽視的.作者通過辨識建模也證實了這一事實1 , 2 .因此在設計位置環的離散滑模控制時,必須針對度環(即位置環的控制對象)的參數攝范圍採用「對象參數攝離散滑模控制器的設計方法」 ,以確保在參數攝時的穩定性和快、無超調、準確定位的優良態品質.為剖析該設計方法的控制效果,本文作了對比性研究,並將該設計方法用於工業試驗中,取得了滿意的結果
  2. Electromotor joins with high efficiency selected water pump, scm ( single chip micyoco ) control system commands water pump according to cooling water temperature which substitutes traditional strap - driving mechanism pump and forms tael - level intellectualized control cooling system combining with electromotion control of cooling fan. consequently it realizes that water pump and fan autoregulate with engine working status and assures t hat cooling water temperature keeps in the best range all the time and advances the reliability of engine working and realizes exact control of cooling water temperature in deed

    選用高效率水泵與電機聯接,改由單片機控制根據冷卻水溫控制水泵的工作,代替傳的皮帶帶的機械水泵,結合冷卻風扇的電控制形成兩級智能化控制的冷卻,從而,實現了水泵和風扇轉機工況變化的自調節,真正實現了冷卻水溫的精確控制,保證了冷卻水溫始終保持在最佳范圍內,大量減少傳熱損失降低油耗,並提高了發機工作的可靠性。
  3. In order to guarantee the normal operation of hydroelectric generator unit, it is necessary to make a thorough test of the performance and characteristics of a governor before it is installed or after it is overhauled. to facilitate the test of the governor, a real - time dynamic simulator based on pcc for water turbine governing system was developed. it has three functions : simulating controlled objects ( pressure water conveying system, water turbine, generator and electric grid ), simulating governor " s electro - hydraulic servo system and working as a real - time measuring system for governor

    水輪機調器是水輪發電機組一個很重要的自調節設備,它由調節器和電液組成,在調器安裝或者大修后都要對其性能和特性進行全面測試,為了方便對水輪機調器的測試,特開發水力機組調實時態模擬儀,該模擬儀具有三種功能:對調調節對象(有壓引水、水輪機、發電機和電網)進行模擬、對調器電液調節對象進行模擬和作為實時測試監測調器的工作是否正常。
  4. The structures and dynamic changes of the artifical sand - fixing vegetation were studied based on the follow views : components of vegetation community, plant diversity, life - forms of vegetation, trends of plant growth, characteristics of the vertical and horizontal structure of vegetation, relationship between the vegetation community and environment ( including soil moisture temperature etc. ), relationship between the vegetation community and characteristics of plant physiological activities. some results were showed as follow : 1. components, diversity and life style of artificial vegetation in shapotou region the marked changes of artificial vegetation have taken place during more than 40 years, since the establishment of sand - fixing vegetation

    本文以騰格里沙漠東南緣寧夏中衛縣沙坡頭地區人工固沙植被作為研究對象,採用傳生態學的野外調查方法,從植被群落的組成、多樣性、生活型、群落生長態、垂直結構特徵、水平結構特徵、群落結構與周圍環境(土壤含水量、溫度)相互關及其與植物自身生理生態適應特徵關等多個角度研究了人工植被群落的結構及其態變化,取得了如下研究結果: 1 、植被群落組成、多樣性及生活型:沙坡頭地區人工植被經過近50年的演變,從流沙丘到固定沙地,沙地植被的態變化經歷了從人工植被到人工?自然植被的轉變,從人工植被建立初期的少數幾種引種植物到現有30多種植物,著固定沙地時間的延長,植物種類日趨豐富,並且人工植被在15 25年、 40 50年兩個階段,物種的周轉率最大,即群落結構變化最大。
  5. Detailed contrastive simulation tests of four - phase and self - optimalizing abs control have been made and applying effects of self - optimalizing control are discussed, which establish stable principle foundation for self - optimalizing control applying to realistic abs controller. from the simulation results we can find that : automobiles which install self - optimalizing abs apparatus lock on the any road surface only when the vehicle body velocity and wheel velocity arrive at zero approximately, which is better for improving driving stability under braking. it shows anti - lock ability of self - optimalizing ; slip ratio approximates and surround the desired slip, which shows that this abs system uses fully road surface performance and retains large adhesion and braking performance is good ; braking force regulates with varies of road condition, which realizes road self - identification

    通過模擬試驗可以看出:在各種路面上,汽車在安裝了自尋優防抱制裝置后,在車、輪接近為0時才抱死,這對提高汽車制時的操縱穩定性特別有利,顯示了自尋優避免車輪抱死的能力:滑移率的值基本上一直接近並且圍繞著與路面附著數相對應的滑移率上下變化,說明了該充分利用了路面性能,基本上保持了較大的附著力制,制性能較好;制著路面條件的變化而相應做出調整,實現了路面自識別的功能。
  6. There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor

    本文利用s7 - 200plc自身的特點設計了頻率測量單元,根據pid調節各個環節的特點,以及調態特性、靜態特性對頻率測量的實時性和精度要求的不同,利用s7 - 200plc基本單元中內置的高計數器以及相應的外圍放大整形、分頻電路,實現了水輪發電機組頻率的測量;在軟體上,對微機調器的整個程序框架、並聯pid的離散化過程進行了分析,選用改進的pid演算法實現了變參數、變結構的pid調節模式;調器的機械液壓具有步進電機電液轉換元件,採用五相反應式步進電機,根據其驅特性設計了變頻調壓驅器,實現plc與步進電機驅器之間數字介面。
  7. With the development of new power electronic component and computer technology, high performance asynchronous motor system has been applied extensively

    著新型電力電子器件的不斷涌現和計算機技術的不斷發展,高性能的異步電調得到了廣泛的應用。
  8. Motion control is a comprehensive subject. modern ac drive is a important embranchment in the field of motion control. however, it is difficult to rea1ize high - performance ac drive systems because induction motors are a kind of strongly - coupled nonlinear system with many variables and the torque is not easy to control. with vector control technology decoupling and torque control of ac motor are solved. the basic idea of vector control is that three - phase system is equiva1ent to two - phase system by coordinate transformation and it realizes the decoupling between field current and torque current of the stator in order to control the flux and current respectively, thus induction motor can be considered dc motor and high performance is achieved easily. with the progress of electric and electronic technology and the development of computer, high - integrated special modules and high - precision digital signal processor ( dsp ) are applied to ac drive so that vector control has been developed rapidly

    但是高性能的交流調實現很困難,這是因為交流電機是多變量、強耦合的非線性,不易實現高性能轉矩控制。矢量控制技術則解決了交流電機解耦與轉矩控制問題,其基本思路? ?應用坐標變換將三相等效為二相,實現定子勵磁電流分量與轉矩電流分量之間的解耦,達到對交流電機磁鏈與電流分別控制的目的,交流電機等效為直流電機實現高性能調著電力電子技術的進步,計算機技術飛躍發展,高度集成的專用模塊和高精度的數字信號處理器應用於交流傳中,促進矢量控制迅猛發展,日趨成熟。
  9. With the development of science and technology more attentions have been concentrated on the performance analysis of the following systems : variable speed drive system of ac machines with power electronics and control devices, power energy system composed of ac machines and power lines, electric machine system consisting of ac machines and excitation control devices

    著科學技術的發展,交流電機與電力電子及其控制裝置組成的調、交流電機與電力傳輸線組成的電能、交流電機與勵磁控制裝置組成的電機等的性能分析越來越受到關注。
  10. This thesis also have constructed mathematic model based on the analytic method, which used the load as input and the pressure as output, meanwhile, it have made theoretic analysis of time response. the theoretic analysis was highly agreed with the experimental result

    在對出口節流調液壓缸兩腔壓力負載變化的態特性的理論分析時,用解析法建立了以負載為輸入,壓力為輸出的數學模型,進行時間響應分析,其理論分析結果與試驗結果相吻合。
  11. Over the years, lrt technology has been upgraded to counter the negative effects of traffic jams, noise, environmental damage, air pollution, etc. featuring a small radius of curvature, multiple car units, modulated train set, enlarged cars both in transverse and longitudinal directions, low car floors, streamlined car design, advanced control systems, and flexible right of way, modern lrt systems have been successfully adopted to most environmental and social needs. they adequately display their merits as transportation systems ; i. e., the lrt system is able to co - exist with automobiles. the low car floor means that roads can act as station facilities, and passengers can get on and off the cars in the street

    輕軌運輸lrt源起於歐洲街道電車street car ,街道電車一度在都市捷運化與私人機化的浪潮沖擊下迅沒落,但著都會地區機車輛不斷增加,道路交通阻塞噪音環境破壞排放廢氣污染問題嚴重惡化之際,輕軌車輛技術已不斷提升,具備小轉彎半徑能力的聯結式車廂模組化列車編組車廂斷面長度加大加長低地板車廂流線型車廂設計,搭配先進控制及彈性的路權型式,使現代化輕軌具備有與生活空間結合重視環境問題與社會情勢並活用進化街車之都市交通工具等特徵與優點,如高性能輕軌列車與汽車共存,低底盤的車廂創造無障礙車站空間,道路即是車站設備,旅客可以在街區上下車,提供沿線居民高度的便利性,消除交通堵塞噪音及空氣污染等,輕軌並與街景充分的調和,成為活的都市意象。
  12. The system discussed is an ac servo system, which needs high following precision. through surveying and comparing, the least beats and no wave control system is used to control auxiliary motion to get good performance

    由於本採用全數字交流伺服控制,要求對電機轉角實時調整,並有較快的跟蹤度和較高的跟蹤精度,故對控制和控制方法都有較高要求。
  13. With the development of power system, on one hand, the capacity of the power system is increasing very rapidly and the system current becomes larger and larger, so it becomes very difficult for a traditional current transformer ( ct ) to undertake the measurement task. on the other hand, with the optimization of the administration and allocation of the power energy, it is very urgent to develop a new type of ct to meet such requirement

    著我國電力的不斷發展,一方面,電力的容量在不斷加大,電流值不斷增加,一次側電流值的測量對傳的電流互感器越來越困難;另一方面,著運行管理和調度向著快,可靠,自化方向發展,要求對電力的運行進行在線監測和實時控制,對作為一二次側聯絡設備的電流互感器提出了更高的要求,要求設計出一種新型的適應電力發展需要的電流互感器。
  14. The system that electrical power is supplied by silicon - controlled, speed abjusted by direct current double loop - locked and controlled by microcomputer is the high acurracy digital system following the input signal

    摘要微機控制的晶閘管供電的雙閉環直流數字調是高精度復現輸入信號的數字
  15. Thanks to the support of the national natural science foundation of china under grand no. 50277036 for " the pulse electromagnetic fields and system - level em radiation of electric vehicles ", this thesis concentrated on the design of the variable voltage and variable frequency ( vvvf ) system and the development of a genetic algorithm for vector optimal design problems. the work includes mainly four parts : a brief introduction of the frequency - converter, the emc design of the vvvf system and the national standard of the electromagnetic interference of the vvvf system, the study of global search optimization algorithms, and an improved genetic algorithm called emigration genetic algorithm for multi - objective optimal problems

    在國家自然科學基金資助項目《電汽車脈沖電磁場與級輻射的研究》的工作基礎上,本文對電車電磁輻射關鍵部分? ?變頻調的電磁兼容性設計以及在電磁兼容性設計中涉及到的電磁的多目標優化方法進行了的分析和研究,其核心內容包括:變頻器工作原理;變頻調電磁兼容性設計及變頻調電磁兼容標準;機類全局優化演算法研究;提出了一種改進的遺傳演算法命名為遷徙遺傳演算法。
  16. According to the present problems and developing tendency of hydraulic turbine governor, four main issues of this field are studied in this paper. the content include hydraulic control system, frequency measurement unit, stability of the discrete control system, optimization of control parameters and self - adjusting pid control strategy based on fuzzy logic. several main achievement and results are obtained and shown as follows : the electric - hydraulic pilot valve driven by step - motor is firstly proposed, which solves the problem that the electric - hydraulic converter of hydraulic turbine governor hydraulic servo is prone to be stuck and blocked and improves the systemic stability greatly

    本文根據水輪機調節領域存在的問題和發展趨勢,對水輪機調器的液壓控制、頻率測量環節、離散調穩定性與調節參數最優整定以及適應式參數自調整pid控制策略進行了研究,得到以下主要成果和結論:首次提出了採用步進電機驅的步進式電液引導閥,從根本上解決了水輪機調器電液中存在的電液轉換元件發卡、堵塞問題,使電液的可靠性大大提高。
  17. This article researches in the question of based static rule set ids ' s high rate of false negatives and false positives in the high - speed web environment, unbalanced performance, provides the concept of analytic intensity and favorite rule set, builds a model of dynamic rule set. it could dynamically regulate the rule set order according to the match, in order to improve integrated performance of ids

    在檢測機上針對基於靜態規則集的入侵檢測在高網環境下高漏報誤報和性能失衡問題進行研究,建立了態規則集機制的模型,它可以根據目前規則集的匹配情況,調整規則集的組織情況及規則匹配的優先順序,以提高和改善入侵檢測的整體性能。
  18. Since production management information system, we can do management, and execute, running parameter can rejust by random, unproved running operation, and decrease frequency, it is effort to improve production rate of working, getting major and direct performance

    自從生產管理信息開通后,能迅作出管理決策,並及時傳遞、執行,運行參數可以調整,提高了運行操作素質,使裝置故障停機頻率明顯下降,對降低工廠成本,提高勞生產率起到了重要作用,取得了較大的間接和直接經濟效益。
  19. Based on it, a new - style step - type electric - hydraulic servo is developed which simplifies the structure and improves the reliability of the governor, and the mathematical model and its stability control equation are obtained

    在此基礎上,提出一種全新的步進式電液,使調器整機簡單可靠;同時在建立該數學模型的基礎上,得出了其穩定性控制方程。
  20. Considering the probability of the collision of the valve and the piston of the engine, to obtain the adjust ability of valve timing of the haecvvs in different speeds, the moving of the valve and the piston have been simulated. some strategies to avoid the collision have been put forward. the temperature of solenoid coil rose sharply both in low engine speed and in high engine speed

    根據發機活塞的運規律及電控可變氣門的啟、閉特性,對不同轉下活塞與氣門的相對位置進行模擬,以保證氣門不與活塞發生碰撞為約束條件,對氣門正時調節能力的變化規律進行了研究,在此基礎上討論了氣門與發機活塞避免碰撞的方案。
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