混合動態系統 的英文怎麼說

中文拼音 [húndòngtàitǒng]
混合動態系統 英文
hds
  • : 混形容詞1. (渾濁) muddy; turbid2. (糊塗; 不明事理) foolish; stupid
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
  • : 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 ...
  • 混合 : (攙雜在一起) mix; blend; mingle; admix; mixture; mix up; interfusion; commixture; blending; cre...
  • 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. Abstract : apply computer simulation to the distribution pattern of air - flow without considering the cold condition of the combustion and compare the flow patterns under different designed circumstances. and the effect of the design of the partition in the air way of the burner on the flow and mixture of gas and air is especially studied. the result shows that the design of partition plays a very important role in strengthening the mixture of gas and air, but increases the loss of the resistance in the air way and the total pressure of the air way in same working conditions needs increasing

    文摘:應用計算機模擬的方法,在不考慮燃燒的冷情況下,研究了熱風爐燃燒室內的氣流分佈規律.在此基礎上,比較了2種不同設計方案的氣流流特徵,尤其是研究了燃燒器空氣通道內阻流板的設置與否對空氣和煤氣的流的影響.結果表明,阻流板的設計對加強空氣和煤氣的有著極為重要的作用,同時也增加了空氣管道的阻力損失,在同樣的工況條件下需要提高管道的總壓力
  2. Using cd, cu, zn and cr as experimental toxicants and crucian as experimental creature, we employed the environmental biotechniques ( flame atomic absorption spectrophotometry, the method of improved pyrogallol autoxidation and electron microscopy ) to study the acute toxicity and secure concentrations of heavy metals to crucian ; the accumulation and distribution of mixed heavy metals to fingling crucian ; the activities of superoxide dismutase ( sod ) of gill and liver tissues and the hispathological and ultrastructural change of superfine structure of liver and kidney of crucian after cadmium exposure. through which, we intended to fully and systemically study the toxic influence of heavy metals to fish, and preliminarily discuss the influence of heavy metals pollution to the diversified level of fish such as individual, organ, tissue, cell and molecule. thus we tried to provide scientific evidence to establish preventative management measures, avoid and relieve the harm of heavy metals pollution to aquicolous ecosystem in time

    隨后以這幾種重金屬作為實驗毒物,以鯽魚為實驗物,應用環境生物技術、火焰原子吸收分光光度法、鄰苯三酚自氧化法、透射電鏡等技術研究了重金屬cu 、 zn 、 cd和cr對鯽魚的急性毒性及其安全濃度評價、重金屬在鯽魚幼體組織內的積累和分佈、 cd對鯽魚鰓和肝臟中sod活性的影響、 cd對鯽魚肝細胞和腎細胞超微結構的影響等,全面和地研究了水環境中重金屬暴露對魚類的毒性影響,初步探討了重金屬污染對魚類的個體? ?器官? ?組織? ?細胞? ?分子等各水平層次的影響,為制定漁業生產上預防性的管理措施提供科學依據,及時避免或減輕重金屬污染對水生生造成的損害。
  3. By physiognomy feature, it could be divided into three types of thermal structure : positive dome model, negative collapse model and border dome core collapse model. based on the depth degree or magma - thermal influenced, it could be divided into five types of thermal structure : ( ancient ) geothermal anomaly focus region model, superficial volcano eruption hydro - thermalism and hypabyssal intrusive model, thermal anticline ( thermal dome ) model, mid - deep intrusive model, deep mantle ( crust ) thermal plume model ; and put forward a perfect model of the thermal structure. there are many interaction system could be induced into a systematic thermal interaction, include : ocean - continent system, basin - mountain interaction, superficial and mid - deep crust - mantle interaction, crust - mantle commingle interaction, vertical thermal interaction ( delamination ) etc.

    依據地貌形分為三類:正向穹窿型、負向塌陷型、邊隆核陷型:依據巖漿-熱力作用影響的深淺程度或深度分為五類: (古)地熱異常群集區、表淺層火山噴發-熱液活與淺成侵入型、熱力背斜(熱穹窿) 、中深層侵入型、深部地幔(地殼)熱柱型;提出了熱力構造作用空間分佈的理想模式,將洋陸、盆山作用、淺表與中深部殼幔作用、殼幔、垂向熱力作用(拆沉)等納入一個整體一的熱力作用中,為盆地力學研究打開了一個新窗口;研討了熱力構造研究方法。
  4. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    基於以上考慮,論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討:全面回顧了「可持續發展」概念的由來與演變,對國內外「可持續發展」的研究現狀進行了述評,並對「可持續發展」概念的科學內涵進行了深入探討;對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述,對目前仍然存在的一些錯誤觀點和亂認識提出了自己的見解;全面闡述了地下水資源變值理論的內容和意義,並與傳的地下水資源計算評價方法進行了對比分析,結實例具體說明了方法的應用;深入分析了地下水資源預測預報工作的極端重要性和復雜性,對傳的地下水資源預測方法進行了全面的評述,指出了各類預測預報方法的特點及適用條件,對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍,以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹,並應用於地下水過程線的分析,採用時間序列中的b ? j法,蒙特卡羅方法,與地下水資源變值理論相結,探討了地下水資料分析和地下水資源預測預報的新思路;綜分析了現今各類地下水管理模型的特點及缺陷,將數學規劃、數理計、隨機過程等與地下水變值理論相結進行地表水地下水或多水源的聯優化調度,使模型更準確、更實用;對保證地下水資源可持續開發的內部條件和外部條件進行了分析,內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀,科學的資源計算與評價方法,可靠的資源預測預報技術,可操作的資源管理措施,外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生的恢復和重建等;從宇宙科學、地球科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。
  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、小型電站鍋爐燃燒參數時變、嚴重非線性、干擾因素復雜、耦嚴重、模型不易確定的特點,提出多變量協調控制方案,解決了可控性差,難以實現穩定自運行的問題;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上,並闡述了兩種實現途徑,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. Thirdly, it simulated the pumping circuit & dividing circuit with the widely used software matlab / simulink. the displacement of the rod piston and the impact of hydraulic are analyzed in the different input flow ( frequency of pump ) and different reversing time. it found out the cause of hydraulic impact ( one - to - one incorrespondence between the response time of dividing circuit and the operation time of rod piston ), and gave some methods to weaken hydraulic impact. in the final part of the paper, the reliability of the theory analysis is further verified by the experiment of hydraulic system

    首先在流變學原理的基礎上,深入分析凝土在輸送管道內的流,得出凝土泵的負載特性方程;然後根據功率鍵圖的建模方法,建立泵送迴路和分配迴路的數學模型,並運用模擬軟體matlab simulink對泵送和分配迴路模型進行了模擬,分析了在不同的輸入流量(泵送頻率)和換向時間下,活塞桿的位移和的液壓沖擊情況,找到了引起液壓沖擊的根本原因(即分配迴路的響應時間(固定值)與活塞桿的運時間(變化值)不相匹配) ,並提出了相應的改進方法。
  7. Based on differential geometric theory, a novel nonlinear modulation strategy for multi - iii infeed hvdc systems to enhance the transient stability of ac system in the presence of large disturbances is presented in this paper

    針對大擾情形,提出了一種用於改善多機交直流電力(有多條直流線路落點于其中)暫穩定性的非線性調制策略。
  8. It was revealed that planting of four or six variety mixtures with different resistant level could put off the date of appearance of wheat stripe rust, slow down spread speed and decrease the disease degree

    本研究通過對6個不同抗性水平的小麥品種進行不同組播,調查了各品種凈作和多品種播田小麥條銹病的病情發展
  9. And pays emphasis on analyzing the system structure and system flow, the core techniques, the channel characteristic and parameters of dvb - t system. the system adopts some core techniques such as cofdm, a lot of tps ( transmission parameter signalling ) insert and guard interval, and so on. so it can withstand high - level ( up to odb ), long delay static and dynamic multipath distortion

    論文首先描述了數字電視地面廣播的需求條件,技術難點和目前存在的問題,並重點分析了dvb - t結構流程,核心技術及通道特性和參數,該採用了cofdm (編碼正交頻分多路復用) ,大量導頻信號插入和保護間隔技術等核心技術,使之能抵抗高電平( 0db ) ,長延時的靜多徑失真,有利於數字和模擬電視的傳輸,它的多載波調制模式功能和性能在移和便攜接收、同頻網等方面具有獨特的優勢。
  10. Based on the further study of dynamic characteristic of the tractor - implement combination, according to the integrated control model, which including the flowing three parameters : the engine load rate, drive wheel slip and work resistance, and the three control strategies, which are : highest production efficiency control strategy, oil consume economic control strategy and give attention to the above control strategy, we can adopt different control strategies according to different purpose of the task. applying the theory of the hybrid dynamic system to this case, the three control strategies can be abstracted to three discrete matters, and then the exchange model of the discrete matters of the top layer ( which called manage layer ) of the tractor - implement combination and the function decision model, which based on the nerve network, can be established. through this way, the best ad aptive controlling of the tractor came true

    本文研究了拖拉機機組的綜控制問題及其最佳匹配方法,在深入研究機組特性的基礎上,根據發機負荷率、驅輪滑轉率和作業阻力三參數的綜控制模型以及三種綜控制策略(最高生產效率的控制策略、燃油經濟性的控制策略和兼顧最高生產效率及燃油經濟性的控制策略) ,針對不同的作業目的,採用不同的控制策略,應用理論,把三種控制策略抽象為三種離散事件,建立了拖拉機機組上層(管理層)離散事件切換模型,並建立了基於神經網路的功能決策層模型,從而實現了拖拉機機組的整機最優控制。
  11. With the development of science and technology and the advancement of our society, many complex systems appear in various fields including traffic transportation, aviation scheduling, engineering technology, etc. these systems usually contain both continuous dynamics and discrete dynamics, and thus are called hybrid dynamical systems

    隨著科技的發展、社會的進步,在交通運輸、航空調度、工程技術、生物生學等領域出現了許多復雜的。這些往往既包含連續型又包含離散型,因而稱之為混合動態系統
  12. A study on modeling, scheduling and optimal control problems for a class of hybrid manufacturing systems is investigated. in this framework, the discrete entities have a state characterized by a temporal component whose evolution is described by event - driven dynamics and a physical component whose evolution is described by continuous time - driven dynamics, thus it is a typical hybrid system. not only the optimal control for manufacturing process like that discussed in many references but also the optimal machining sequence are considered in this paper. the whole problem is solved by a two - level optimization method : at the inner loop, for any given machining sequence of the jobs, the optimal control for manufacturing process is considered ; while at the outer level, an improved genetic algorithm is used to decide the optimal machining sequence of a batch of jobs to be processed. finally, some examples are given to illustrate the validity of the algorithm

    研究了一類單階段製造的建模、分析與調度問題,這類既包含離散事件,也包含連續時間,前者用排隊網路描述,後者用微分方程描述.不僅考慮了a這類的最優控制問題,而且考慮了工件進入生產線的最優時間,並用一個復雜的優化模型描述,同時給出了一個兩層優化方法,內層給出對給定工件序列的最優控制,而外層用一改進的遺傳演算法求解工件進入生產線的最優時間序列.若干模擬實例說明了演算法的有效性
  13. Following an iterative reduced - dimensional strategy, the problem of " dimension curse " can be solved effectively. in the last section of this chapter, a cascade wavelet model, which is combined with a static wavelet submodel and a dynamic linear submodel, is presented to identify the dynamic nonlinear systems

    最後,提出一種串聯小波模型,將現有的靜小波模型與線性子模型串聯,可以很好地辨識非線性,而且避免了神經網路中非線性與記憶的復雜性。
  14. Contrasting this, in feedback control the most majority of complex systems are controlled using sampled observations of system behavior taken at discrete time instants. thus the resulting controlled systems are hybrid systems, which are called sampled - data systems, involving both continuous - time and discrete - time signals. the investigation of sampled - data systems is motivated primarily due to the widespread use of digitally implemented controller in present - day feedback control of continuous - time systems

    工程實踐中遇到的通常是連續時間,與此相反,大多數復雜的反饋控制卻是通過觀察采樣點上的行為來進行控制的,結果所得到的反饋控制是個,它含有連續信號和離散信號,這樣的稱之為采樣,當今連續受控中數字控制器的廣泛運用促進了對采樣的研究,已有的線性采樣理論顯然不能滿足處理非線性采樣的需要,因此近年來非線性采樣的分析與設計已經成為國際控制論界的持續的研究熱點之一。
  15. The research on production optimization and scheduling is a very active and popular subject to which more and more attention has been paid by both academia and industry. the hybrid processes consisted of both continuous and discrete production processes, is a typical hybrid dynamic system and is very difficult to analyze and control. the dissertation focuses on the modeling, simulation, evaluation and schedule optimization of hybrid processes

    本文以型企業為背景,以petri網理論為技術主線,綜運用理論、 petri網理論、面向對象的思想、模擬技術及遺傳演算法等對型企業中的建模、模擬及調度優化問題進行了深入的研究。
  16. The constitution of mathematie model of switched systems is studied in chapter 2. firstly, the models of externally forced switching and internally forced switching are founded respectively and two examples are given to explain them. then, we combine them together to get a uniform model of switched systems and compare with the model of hybrid dynamic systems to show it applicability

    首先,我們分別給出了外部促使切換和內部促使切換單獨的數學模型,並給出幾個實際例子對模型進行說明;其次,將它們組在一起,建立切換的一般模型,最後將該切換模型與模型比較,說明它的適用性。
  17. Combining gray theory and catastrophe theory, the gray energy catastrophe model is brought out according to the critical value of energy. the real example shows that the critical value is unique. the analytical process of rock mass fail shows that the process of fail of the rock mass is the process that dissipation structure is formed, and that self - organization of surrounding rock is built during the process

    在臨界狀時,只要稍有擾,則就會失穩;強擾可以使失穩提前發生;將灰色理論和突變理論相結,以能量突變為材料的破壞特徵,提出隧道巖體開挖的灰色能量突變模型,通過實例分析表明,該失穩判據具有唯一性;對巖體失穩的過程分析表明,巖體的失穩過程實際上是耗散結構的形成過程、是巖體的自組織過程,圍巖在演化過程中出現分叉和沌現象。
  18. On the one hand, the traffic system has hybrid dynamic property of discrete event and continuous time, high nonlinearity, non - stationary randomness with unknown distribution, fluctuating system parameters according to environmental conditions and people ' s travel demand, and strong - coupling adjacent intersections. therefore, the states of a traffic system are difficult to measure, predict or control. on the other hand, several kinds of control action are taken on the urban traffic system, such as signals at intersections, guiding information and etc. signals are the most commonly used control action

    一方面,從力學角度分析,具有離散事件一連續時間特性、高度非線性、非平穩未知分佈的隨機性、參數經常隨環境條件和人們出行需求發生漂移以及交叉口之間具有強耦特性等,所以難以準確測量、預測和控制;另一方面,交通的控製作用有很多種,如信號燈、誘導信息等,信號燈是當前被廣泛應用的主要控製作用。
  19. Hybrid dynamical system originated from the application of discrete event systems to supervising continuous state systems is discussed

    摘要混合動態系統起因於離散事件用於監控連續狀的行為。
  20. Advance in research on fault diagnosis in hybrid dynamical system s

    混合動態系統故障診斷研究進展
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