fuzzy optimal control 中文意思是什麼

fuzzy optimal control 解釋
模糊最佳控制
  • fuzzy : adj. 1. 有茸毛的,覆著細毛的,如茸毛的。2. 不清楚的。fuzziness n.
  • optimal : adj. 最適宜的;最理想的;最好的 (opp. pessimal)。
  • control : n 1 支配,管理,管制,統制,控制;監督。2 抑制(力);壓制,節制,拘束;【農業】防治。3 檢查;核...
  1. The former put stress on the research of time optimal control method, fuzzy discursion and moving track, and the latter on the study of ekf recursion algorithms, noise model and noise characteristic identification

    前者的重點是最優時間控制方法、模糊控制器的推理以及運動相軌跡分析;後者側重於ekf的狀態估計方法、噪聲模型對濾波估計性能的影響以及噪聲模型的辯識方法。
  2. In recent years, the water - saving and control irrigation technique of rice has diverted from plot experimental and demonstration to lare scale. and has got remarkable economic and social benefits. amed at the characteristics of this irrigation area, optimal selection for water - saving techniques of rice, deciding the amout of leaching water and irrigation modles, investigating the adaptability of the water - saving and control irrigation technique in saline land. studying the increase in production mechanism of the technique are important to extend the technique, to better and develop saline land as well as slick spots. according to the results of field experiments, optimization study was conducted on the water - saving irrigation technique of rice in saline land, the effects of different water - saving irrigation techniques on the physiological indexes and yield of rice were systematically analyzed. by using mutiplepurpose fuzzy optimization method, better. water - saving irrigation technique was selector out, that is. the control irrigation technique in rice. the mechanism of it was analyzed from the aspect of the physiological and ecological saving water of rice to provide the implemental process and technical point ; throgh the quantitive analysis and comparision on control irrigation and control class ( flood irrigation ), high production and quality mechanism of the technique was analyzed in terms of physiology indexes of rice, the variation of soil moisture, the pest resistance and the lodge resistance, the change of soil temperature in paddy fields. the yield constitutive factors, the quality of rice and so on. in saline land. control irrigation and intermittent leaching modles were adopted to validate the adaptability of the technique in irrigation of rice in saline land, to analyze rice ' s physiological - ecological indexes and the change of soil salt content under the conditions of control irrigation leaching of rice and and to provide control irrigation and combined modle of intermittent leaching to adapt to different conditions

    本文從試驗及試驗資料入手,取得以下主要成果和結論:對鹽堿地水稻節水灌溉技術進行優化研究,系統地分析了不同節水灌溉技術對水稻生理指標及產量的影響,採用了多目標模糊優化的方法,對灌水技術進行綜合評判,優選了節水灌溉技術,論證該地區宜採用水稻控制灌溉技術;闡述控灌技術通過調節和控制水稻的需水規律,降低水稻高產情況下的無效水量消耗,從水稻生理、生態節水兩方面分析了控灌技術節水機理,針對性地總結出水稻各生育期實施節水控灌技術的步驟及技術要點;通過控灌與淹灌的定量對照比較,從根系、莖蘗、冠層葉片及綠葉動態到株高,土壤水分變化,抗病蟲害、抗倒伏能力,稻田土溫變化,產量構成因素及稻米品質等諸多方面進行動態比較,分析控灌技術高產優質機理;在鹽堿稻地採用控制灌溉+間歇淋洗模式,跟蹤測試田間水鹽變化狀況,驗證控制灌溉技術在鹽堿地區水稻灌溉中應用的適應性,通過分析水稻控制灌溉淋洗條件下水稻生理生態指標,提出優化控制灌溉+間歇淋洗組合模式,為進一步在高礦化度地區試驗水稻控灌技術奠定基礎。
  3. Expert system based on fuzzy neural network for the optimal control of blank holder force

    神經網路簡化模型設計多變量自適應模糊控制器
  4. Here a low cost optimal position system with speed - loop open and position - loop closed based on fuzzy control is presented, it employs fuzzy controller to verdict rotor velocity approximately and a fuzzy switching curve is substituted for real one to achieve bang - bang switch, no limit - loop or oscillation occurs. at the end of this chapter, a dc break curve is discussed

    為了實現經濟實用的點對點快速定位系統,實際系統採用速度開環、位置閉環結構,速度量從模糊控制器得到,既不實測也不軟體估計,用模糊開關線代替真實開關線進行控制量狀態切換,無極限環或振蕩現象,而成本則大大降低。
  5. Aiming at such problems in combustion system of homemade middle and miniature boiler, as a complex system with the character of dead zone, time variation, serious non - linearity, large time delay, coupling and a lot of disturbance, this paper presents a new set of optimal control resources. by using well - matched control method on system, stable automatic running is realized. having the serious divulgence coals difference a lot from each other in character, instability of chemistry, value of lowest emission of heat, home - made boiler controller is not at all ideal. instead of traditional model that controls the ratio based on proportional control or with the correct signal of the amount of oxygen, this paper, combined with intellect control theory - - fuzzy control and self - optimizing concept, propounded a kind of fuzzy self - optimizing controller to be used in air supplying system of the boiler, and expatiates on the idea of dividing the control process into two parts, dynamic and static to realize, thus meets the demand of homemade boiler economic running

    本設計針對國產中、小型電站鍋爐燃燒系統參數時變、嚴重非線性、干擾因素復雜、耦合嚴重、模型不易確定的特點,提出多變量協調控制方案,解決了系統可控性差,難以實現穩定自動運行的問題;在此基礎上,改變以往以煙氣含氧量控制送風的傳統模式,針對國產電站鍋爐設備主體及一、二次送風迴路泄露嚴重,煤種混雜、成分不穩定、燃燒發熱值低、燃燒效率不高等問題,應用智能控制理論中的模糊控制技術,結合自尋最優控制的思想,設計了一種模糊自尋優控制器,應用在電站鍋爐送風控制系統上,並闡述了動靜態兩種實現途徑,通過在線優化風煤配比,實現最佳經濟燃燒,切實保障了鍋爐的經濟運行。
  6. About integrated control problems and optimal matching methods on plough implement unit, as an example in this paper, were discussed using fuzzy logical control theory. it gives a practical and referenced method on study auto - control of walking implement combinations

    本文以典型的犁耕機組為例應用模糊控制理論,探討了犁耕機組的綜合控制問題及其最佳匹配方法,為研究行走式作業機組的自動控制提供了一種有實用價值的參考。
  7. The mrafc scheme employs a reference model to provide closed - loop performance feedback for generating or modifying a fuzzy controller ' s knowledge base. the adaptive compensation term of optimal approximation error is adopted. by theoretical analysis, the closed - loop fuzzy control system is proved to be globally stable, with tracking error converging to zero

    該方案利用參考模型作為閉環系統的反饋信號來產生、調節模糊控制器的規則庫,並通過引入最優逼近誤差的自適應補償項來消除建模誤差的影響,不但能保證閉環系統穩定,而且可使跟蹤誤差收斂到零。
  8. Firstly, based on backstepping and the supervisory control strategy, a robust adaptive fuzzy controller is designed for a class of nonlinear systems. the first type fuzzy logic system is used to approximate the unknown part of the process. the adaptive compensation term of the optimal approximation error is adopted

    本文首先針對一類不確定非線性系統,基於backstepping方法,利用監督控制,引入最優逼近誤差的自適應補償項,並利用型模糊邏輯系統逼近系統的未知部分,提出了一種魯棒自適應模糊控制器設計方案,運用李亞普諾夫第二方法,先證明了閉環模糊控制系統全狀態有界,再證明了跟蹤誤差收斂到零。
  9. Based on advanced technology, this thesis bring forward the optimal scheme and set down general system - drawings and flow charts. using step7 - micro software, we achieve the auto - control aim in drinking water treatment. in practice, the complexity and non - linaerity exit in the system of water treatment, so we apply fuzzy control in water treatment and design a kind of controller which structure can be altered according to the using - rate of ozone and the variety of water quality

    實際飲用水處理系統由於存在復雜性、非線性、時變性,本文根據臭氧生物活性炭水處理工藝存在復雜性、非線性、時變性等特點,將模糊控制應用在水處理這一不確定的非線性時變系統,針對不同水溫下臭氧利用率及水質的變化,設計一種基於系統過程狀態的變結構的模糊控制器,以單片機作為主要控制硬體,按查表方式設計軟體,對進水閥門開度進行在線控制,調節臭氧氣體與進水的比例(臭氧流量及濃度不變) ,達到氣水比最優化。
  10. The article introduces the basic concepts and common methods of fuzzy mathematics, initially discussing the applications of fuzzy mathematics in the following aspects : 1 ) division of " skidding " strata with grade of membership that are drilled with diamond bits ; 2 ) comprehensive evaluation on the application in evaluation of diamond bits, classification of rock drillability, and evaluation of clay ; 3 ) classification of " hard rock " through fuzzy clustering analysis ; 4 ) estimation of completion time of boreholes and evaluation of underg round water with fuzzy mathematics ; 5 ) identification of new ore areas and option of best water resource area with fuzzy model ; 6 ) option of diamond bits and evaluation on oil field development plan with fuzzy resemble option and the improved calculation method ; ? ) prediction of mud slurry performance and of the amount of surging water in ore pits with fuzzy control ; 8 ) comprehensive evaluation of diamond bits and supporting plan of deep foundation pit with fuzzy optimal theory

    初步探討了以下幾方面的應用: 1 )用隸屬度劃分金剛石鉆進「打滑」地層; 2 )綜合評判在金剛石鉆頭評價、巖石可鉆性分級及鉆探造漿粘土評價中的應用; 3 )用模糊聚類分析進行「硬巖石」分類; 4 )用模糊數進行鉆孔竣工時間預估及地下水質評價; 5 )模糊模式識別在新礦區類型識別和最佳水源地選擇中的應用; 6 )模糊相似選擇及其改進演算法在金剛石鉆頭選擇和油田開發方案評價中的應用; 7 )模糊控制在泥漿性能和礦坑涌水量預測中的應用; 8 )優化理論模型在金剛石鉆頭和深基坑支護方案綜合評價中的應用。
  11. The optimal control system of economical combustion is simulated by computer. and the theory of economical combustion and the reasons causing low heat efficiency are discussed in the paper. the sub - optimal feedback control system is proposed in which oxygen setting is controlled by a fuzzy controller

    對燃燒系統最優控制進行計算機模擬研究,分析了經濟燃燒的原理及造成鍋爐燃燒熱效率低的原因,構成了模糊控制含氧量給定值的閉環次尋優控制系統。
  12. In order to complete the research on optimal control regular for coal - fired boiler inflammation system. in this paper, a type of coal - fired boiler inflammation system is regarded as the research target, after separately analyzed steam pressure loop and economical inflammation loop, we obtained the relevant control scheme, and designed a kind of fuzzy - pi compound controller on based of genetic algorithm to control two loops, and using genetic algorithm tool kit below the matlab progressed system simulation research

    為了完成對燃煤鍋爐燃燒系統的最優控制規律的研究,本文以某型燃煤鍋爐的燃燒系統作為研究對象,分別對其蒸汽壓力迴路和經濟燃燒迴路進行系統分析,得到了相應的控制方案,設計了一種基於遺傳演算法的模糊- pi復合控制器對該系統進行控制,並用matlab下的遺傳演算法工具箱進行了系統模擬研究。
  13. Comparing fuzzy control with optimal control, it is found that the fuzzy control of a class of second order systems is actually a near - optimal control

    通過二階系統的模糊控制和時間最優控制的對比發現,一類二階系統或可近似為二階系統的模糊控制實際上是對二階系統最優控制的一種近似。
  14. When the agv is running, if the steering angle is smaller, the optimal controller has good performance, but it cannot be adapted to steering control in case of larger angle. fuzzy controller is suitable to this case, but the control scheme cannot cover all situations

    最優控制在轉向角度較小時,跟蹤性能穩定,其缺點是不能適應較大角度的轉向控制;模糊控制可以通過專家的經驗來靈活控制被控對象,但是控制策略無法覆蓋所有情況。
  15. Based on traditional pid controller, by using fuzzy neural network to identify the process and bp neural network to tuning the parameters of pid, a neural network adaptive pid controller is constructed and optimal control of glass - furnace melting pond temperature is achieved

    本文在常規pid控制器的基礎上,利用模糊神經網路對過程進行辨識,開採用bp神經網路調整pid控制器的三個參數,構成了神經網路自適應pid控制器,實現玻璃窯爐熔化池溫度的優化控制。
  16. Sub - optimal control of t - s fuzzy descriptor system

    模糊廣義系統的次優控制
  17. It is not trivial generalization for the usual theory of the stochastic optimal control to study the stochastic optimal control problems. the above problems motivated the author to : ( 1 ) conquer the lack of the indirect computing methods for the uncertain linear programming to seek the direct computing method ; ( 2 ) conquer the singularity of stochastic or fuzzy factor in the usual uncertain programming models to give the hybrid programming models which contains stochastic and fuzzy parameters ; ( 3 ) further strengthen the applications of bsde in the stochastic optimal control to extend the related theories of the usual stochastic optimal control, and to enlarge the applied field

    以上問題和想法促使作者進行以下研究: ( 1 )克服不確定線性規劃的計算需要轉化成等價的確定性(或清晰)數學規劃進行計算的不足,尋求直接計算的方法; ( 2 )克服傳統不確定規劃模型中不確定因素的單一性,提出隨機和模糊混合的不確定規劃模型; ( 3 )進一步強化倒向隨機微分方程在隨機不確定系統最優控制問題中的應用,實質性地推廣傳統的隨機最優控制相關理論,擴大隨機最優控制的應用領域,特別是在金融工作中的廣泛應用。
  18. Chapter 4 introduces the use of weighted least square generalized svm for optimal control systems. weighted least square svm for robust regression estimation is generalized and then used to solve n - step optimal control problem based on the svm. the weights are determined by fuzzy method

    4 .加權ls一svm可以對回歸估計問題實現魯棒估計,把它同基於ls一svm的n步最優控制想法相結合,將其擴展到基於加權最小二乘廣義svm ,並應用於n步最優控制問題,確定加權因子採用了模糊運算的辦法。
  19. By applying the good learning and parameters adjustment capabilities of fuzzy wavelet neural network, this method can make the constructed identification system and controller have better approximate dynamic system characteristic and optimal control effect

    該方法利用模糊小波網路良好的學習和參數自調整能力,因而使建立的系統辨識器及控制器能夠很好地近似系統動態特性,逼近最佳控制效果。
  20. It is very important to estimate the state of water supply network for reconstruction or extending networks, for daily management and even for optimal control of the networks in this paper, all nodes of the water network with the similar regularity of water pressure varying are classified to one group by fuzzy clustering

    利用給水管網中為數不多的監測點實測壓力和流量以及水廠總供水量來估計供水管網工作狀態的全貌,對管網改擴建、日常管理乃至優化調度有著重要的意義。
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