控制滯后 的英文怎麼說

中文拼音 [kòngzhìzhìhòu]
控制滯后 英文
control lag
  • : 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動詞(使停滯; 使不流通) stagnate; block up Ⅱ形容詞(停滯; 不流通) sluggish; slow-moving; stagnant
  • 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
  1. The development of earthworm ecology was constrained by the complex feature of soil, the scarce knowledge of natural history and biogeography of earthworms, and the low efficiency of approaches in field manipulation of earthworm community

    土壤本身的復雜性,蚯蚓自然歷史和生物地理學知識的缺乏,野外蚯蚓群落方法的等都限了蚯蚓生態學的發展。
  2. First this paper describes the composing and technics of drillers ; then the composing of control system based on s7 - 300plc is described ; then thinking of such characteristics of oil driller as complexity and long delay, this paper brings forward the control strategy of combining the fuzzy control with smith estimate control algorithm, and sets down the way of auto - driller based on discal hydraulic pressure brake. at last the experiment based on matlab by computer shows that the effect of this control mode is very good and all performance are famous

    首先本文闡述了鉆機的組成與工藝特點,然後描述了基於西門子s7 - 300plc的系統組成,然後針對傳統鉆機自動送鉆策略落後的缺陷,同時考慮到鉆機的復雜性、大等特點,提出了模糊演算法與施密斯( smith )預估演算法相結合的策略,給出了基於液壓盤式剎車的自動送鉆智能策略, matlab的模擬實驗證明該方式效果良好,各方面性能指標都達到理想要求。
  3. A circuit topology of the inverter with duty cycle extended active clamp forward style high frequency pulse dc link is adopted by each independent inverter. each inverter is cascaded by a circuit with duty cycle extended active clamp forward style high frequency pulse dc link and a dc / ac inverting bridge. the control strategy of voltage mode pwm forwardback is adopted by the former, and the control strategy of three - state discrete pulse modulation ( dpm ) hystersis current is adopted by the later

    每個獨立的航空靜止變流器採用占空比擴展有源箝位正激式高頻脈沖直流環節電路拓撲,由占空比擴展有源箝位正激式高頻脈沖直流環節電路與dc ac逆變橋級聯而成,前級採用電壓型pwm前饋技術,級採用三態dpm電流技術。
  4. 1 m 0. 5, the phase - shifted angle 6 is controlled in term of sine law which makes the magnitude of resonant voltage track a reference sine voltage, and the resonant voltage is rectified, filtered, inverted and then the better sine - voltage output is obtained, theoretical analysis and experimental results show that for the resistive load and inductive load, the switches of leading leg of the phase - shift - controlled circuit are always turned on at zvs, and ones of lagging leg are turned on at zvs ( < 0 ) or turned off at zcs ( ( > 0 ), moreover, all switches in the low - frequency inverter are always turned on and off at zvs, the measured circuit efficiency for rated load reaches up to 88 %

    從功率單向流動角度出發,提出了一種lcc諧振型恆頻移相單相高頻鏈逆變電路拓撲,在調系數0 . 1 m 0 . 5情況下,移相角按正弦規律變化,使諧振電壓脈沖列的幅值追蹤參考正弦電壓信號,經過整流、濾波、低頻逆變,從而獲得正弦度較好的輸出電壓。理論分析和實驗結果證明對于阻性負載或阻感性負載,移相全橋具有超前橋臂零電壓開通,橋臂或者零電壓開通( _ 0 )或者零電流關斷( _ 0 )的軟開關特性,而低頻逆變器的各個開關均實現零電壓條件下的開通與關斷。
  5. For real complex industrial process plants with long time delay, nonlinear, multi - disturbance, and strong coupling, it is hard to develop practical mathematical models, and the complex plants are difficult to control automatically

    摘要連續碳酸化分解的生產過程式復雜,具有長流程、大、非線性、強干擾、強耦合的特性,對其難以建立精確描述的數學模型。
  6. The considerable delay in change of superheated steam temperature with respect to distrubance of desuperheating water flow, however, leads to the lagging in superheated steam temperature control and as a result the control effect is not satisfying

    由於過熱蒸汽溫度在減溫水量擾動下延遲較大,這種特性使過熱蒸汽溫度的控制滯后效果不理想。
  7. Based on results of a lot of practical investigations, academic researches and comparisons of situations of real estate industry in changsha with that in other cities, this paper analyzes the present situations and existing problems of changsha ' s real estate industry and points out that the competition of foreign enterprises, the low degree of openness in renting system, the inefficiency in management, the conflicts of administration and practice, the lack of legal consciousness for agent serv ices, the nonstandardization of real estate management companies and the distemperedness in supervisory systems pose the outside threats ; ill managerial system, low technical level, small scales of companies, few measures for financing and marketing, poor quality and high prices of products pose the inside problems

    本文在大量調查和理論研究的基礎上,分析了長沙市房地產業的現狀和問題,提出了長沙住宅市場需求量預測模型,並對2002年長沙住宅市場需求量進行預測,對長沙房地產業發展進行縱向和橫向比較,論述了外國企業進入中國房地產市場指日可待,論述了我國目前土地出讓度不透明,政策管理手段繁雜、效率不高,規劃部門與房地產業的與沖突,中介服務機構缺乏法律,物業管理公司無法可依,監體系不健全等外部環境問題;論述了我國目前房地產企業規模偏小,管理體乏力,技術力量薄弱,融資渠道狹窄,產品質量不高,產品規格不齊,價格偏高,以及營銷手段落後等內部環境等問題。
  8. Abstract : it provides a kind of new nonlinear integrator and its mathematical model. its frequency responses is disscussed by the harmonics linearization method. its phase lag is found to be only 27. 6, all high order harmonics are very small, and it is very resistant to disturbances. by using it, an two - objective optimum control system is designed. it has very good control performances and will have good prospects in application

    文摘:提出一種新型的非線性積分器,給出它的數學模型,並用諧波線性化原理討論它的頻率特性,其幅頻特性起積分作用,而相位僅27 . 6 ,高次諧波分量小,抗干擾能力強.應用這種積分器設計了一個雙目標優化的二次優化系統.模擬結果表明,系統的性能好,具有廣泛的應用前景
  9. And it is difficult to apply general pid control or fuzzy control to the equipment of crystal growth with nonlinear and great pure hysteresis characteristics

    晶體生長爐具有參數時變、大慣性和大純的特點,應用常規pid演算法,動態性能不理想;應用模糊演算法,穩態精度不能令人滿意,都難以實現有效的
  10. Secondly, a kind of leading control method on the basis of energy containing in system, which combined the demerits of pid control and neural network control, is presented according to the large hysteresis characteristics of the ph and orp

    由於工業現場的ph / orp系統都是很大的時變對象,針對這個特點,本文提出了根據系統中所蘊藏的能量進行超前演算法。
  11. Abstract : according to the characterestic of resistance furnace temperature control, temperature rising one - way control, large time delay and time - variation of parameter, using method of fuzzy compositional rule of inference establish fuzzy model and design fuzzy cntroler. in order to increase control system precision, it gives a fuzzy variable k, and sets parameter self - adjusting fuzzy control system. this system can on line self - adjusting controller parameters according to the error and variations of the error. it makes the system steady precision improved

    文摘:根據電阻爐溫的特點,即只有升溫單向較大且具有參數時變性,利用模糊推理合成法建立模糊模型並進行模糊器設計,為提高模糊的精度,引入模糊變量k ,構成參數自調整模糊系統.該系統可根據誤差和誤差變化在線自動調整器參數,使系統的穩態精度得到改善
  12. According to the characterestic of resistance furnace temperature control, temperature rising one - way control, large time delay and time - variation of parameter, using method of fuzzy compositional rule of inference establish fuzzy model and design fuzzy cntroler. in order to increase control system precision, it gives a fuzzy variable k, and sets parameter self - adjusting fuzzy control system. this system can on line self - adjusting controller parameters according to the error and variations of the error. it makes the system steady precision improved

    根據電阻爐溫的特點,即只有升溫單向較大且具有參數時變性,利用模糊推理合成法建立模糊模型並進行模糊器設計,為提高模糊的精度,引入模糊變量k ,構成參數自調整模糊系統.該系統可根據誤差和誤差變化在線自動調整器參數,使系統的穩態精度得到改善
  13. The problem of delay of control of cupola melting amp; amp; its solution

    沖天爐熔煉的控制滯后及其解決方案
  14. It has the feature of pure time delay and great inertia and variety of parameter etc. so it need high quality temperature controller

    由於其具有工況復雜、參數多變、運行慣性大、控制滯后等特點,它對調節器要求極高。
  15. Traditional traffic control technique has the problem of detain, because it only consider the currently status of networks resource

    傳統的流量技術,總是以網路資源當前使用情況對包進行處理,沒有考慮流量預測問題,易造成流量控制滯后的情況。
  16. 5. for systems with state and control delays and norm - bounded uncertainties, we investigate the reliable ha control problems of such systems and the reliable hx controller by state feedback is obtained

    5 、針對一類具有狀態和控制滯后的不確定時系統,研究了其可靠廳問題,提出了一種狀態反饋魯棒可靠h 。
  17. The main contents of this paper are outlined as follows, 1 for time delay systems with norm - bounded uncertainties, a sufficient and necessary delay independent robust quadratically stabilizable condition, the corresponding robust stabilizing controller designing method by state feedback, a sufficient delay - dependent robust stabilizable condition and state feedback controller designing method are given in terms of linear matrix inequalities

    主要研究內容包括1 、研究一類同時存在狀態和控制滯后的不確定時系統的狀態反饋魯棒鎮定問題。給出了一個系統魯棒二次可鎮定的充分必要條件,以及系統時依賴魯棒可鎮定的充分條件及相應的狀態反饋魯棒鎮定器設計方法,結果以線性矩陣不等式的形式給出。
  18. Thirdly, with the simplest single - input discrete system as the model, we analyze and discuss the effects for control - delay on the discrete variable structure control systems, and bring forward the design method of discrete variable structure control based on the system state forecast ; simulations show that the above solution avoids adverse influences for control - delay on the performance of variable structure control systems with control - delay, and control effect is fine

    第三,本文以最簡單的單輸入離散系統為模型,分析討論了量延遲對離散變結構系統的影響,提出了基於系統狀態預測值的離散變結構設計方法;模擬表明該方法設計的具有控制滯后的變結構系統避免了量延遲對系統動靜態的不利影響,效果良好。
  19. After identifying all potential risk factors in traffic system, the effective countermeasures for traffic safety are put forward. it provides resources for administration department to prevent and reduce traffic accidents. thus, the backward situation of preventing and controlling accidents is changed, and real safety one for traffic system is realized

    通過對道路交通系統所存在的危險因素進行有效地辨識,進而有針對性地提出交通事故對策,為預防和減少道路交通事故的發生提供源頭管理措施,以便全面、系統地交通事故,真正實現本質安全,有效改變交通事故預防和控制滯后的工作局面。
  20. According to the demand of the technology of gas nitriding, the author firstly put forward total demand analysis and systematic model - making for gas - nitriding furnace ' s temperature control system with uml in order to definite the temperature control system ' s functional requirement and the interaction of each object in this system on the basis of this idea. it ' s thought that the key step for realizing the temperature control system is the analysis and the design of the pid controller. considering that the gas - nitriding furnace has significant temperature lag, the author initially pointed out the opinion of realizing the system of temperature control by pid controller with pure lag compensation and then designed the parameter of pid controller with pure lag compensation and ordinary pid controller by matlab6. 5

    這篇論文以作者本人在原工作單位的技術改造實踐中(即滲氮爐的技術改造)所遺留下來的技術問題為背景,根據氣體滲氮工藝的具體需要,首先提出了用uml對滲氮爐溫系統進行總體的需求分析和系統實物建模以明確溫系統的功能需求及各對象間的交互,在此基礎上分析得出溫系統實現的關鍵所在即pid器的分析設計和實現,由氣體滲氮爐存在較大的溫度這一特性,初步提出用帶純補償的pid器來實現溫系統的溫度,隨藉助于matlab6 . 5平臺對帶純補償的pid器和常規的pid器進行參數的設計與整定,進而在matlab6 . 5的simulink模擬環境中對基於兩種不同pid器的滲氮爐的兩種溫系統的設計方案進行了模擬實現及模擬結果比較,結果表明,採用帶純補償的pid系統的魯棒性較常規的pid系統好。
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