electric flux 中文意思是什麼

electric flux 解釋
電束
  • electric : adj. 1. 電的;帶電的;起電的,導電的,發電的,電動的。2. 令人激動的,緊張的,驚人的。3. 〈美口〉(樂曲的)用電吉他演奏的。n. 〈口語〉1. 帶電物體。2. 電動車輛。
  • flux : n 1 流,流出;流動。2 漲潮。3 不斷的變動,波動。4 【物理學】流量,通量,電通量,磁通量。5 熔解,...
  1. The thesis is devoted to exploiting a permanent magnet synchronous machine ( pmsm ) for the parallel hybrid electric vehicle ( phev ). three parts are included as follows : at first, in the electromotor state, the current control strategies of pmsm are determined. giving the elementary method for solving the contradiction between enhancing the pmsm ' s flux - weakening capability in the electromotor state and reducing the pmsm ' s connatural adjustment ratio in the dynamotor state

    本課題的研究工作主要圍繞開發一臺並聯式混合動力電動汽車( phev )用永磁同步電機( pmsm )展開,所作的工作主要包括以下幾個部分:首先,確立了phev用pmsm電動機運行狀態時的電流控制策略,針對pmsm在電動機運行狀態時提高弱磁擴速能力和在發電機運行狀態時減小固有電壓調整率的相互矛盾,提出了初步的解決方法。
  2. Hydraulic control system of double - cylinder vessel gate is a sort of typical electrohydraulic proportional control system0 in order to study electrohydraulic flux control characteristics of this system, i have analyzed the principle of this hydraulic control system, and made its mathematics model ? in double - cylinder hydraulic system, it is necessary to process electric synchronous control in this hydraulic system, this paper also introduces a sort of fnn ameliorated from the point of view of intelligent control theory, and clarifies the principle of applying that network to achieve synchronous controlo at the same time, the means of fuzzy configuration analysis is used for network training, the comparative experiments make known that the method of applying fnn to realize synchronization control is feasible, furthermore, its effect is better than others0 this paper puts forward that a distributed control system can be used to monitor and control vessel gate within a real - time or remote distance, the basic project, structure, applications and functions of computerized scada system in hydraulic system of vessel gate is introduced ? a double layer network structure, epigynous and hypogynous machine network, is applied to this system, in accord with the application of technique such as plc, integrated software etc, this paper introduces the methods and application to achieve the computerized scada system in the task, and analyzes the characteristic of this system, in this paper, the application of configuration in monitor and control system of vessel gate is discussedo in addition, in accord with the application of technique such as visual basicb

    雙缸船閘液壓啟閉控制系統要求解決同步控制問題,文中從智能控制理論角度出發,採用了一種改進的模糊神經網路,結合模糊聚類分析方法,闡述了應用該網路實現同步控制的原理。通過對比模擬實驗表明:應用模糊補經網路實現同步控制是可行的,而且它的同步控制效果要優于傳統的設置主從令缸控制方法,具有良好的魯棒性能。另外,本文提出了建立船閘控制系統的分散式控制系統,介紹了船閘液壓控制系統的計算機監控系統( scada )的方案、結構、應用和主要功能,採用雙層網路化結構:上位機網路和下位機網路,並結合plc通信網路技術和組態軟體等技術構成的計算機監控系統的實現方法,實際應用,分析了這種較新的系統模式在船閘液壓控制系統的計算機監控系統的功能實現中所具有的特點。
  3. With the deveiopment of hydraulic technology, hydraulic system and hydraulicequipment are more complicated, hydraulic technology is more widely and morecomp1icatedly used in agricultural machine and their malfunction is more difficu1t to bedetected. fault diagnosis of hydraulic system is not as apt to be observed as that of themechanical equipmeflt or is not as easy to be detected as that of electric equipmeflt bymu1tipurpose meter or other meters. flux meter gage and pressure gage ca n ' t meet the needof fault diagnosis for hydraulic system because its working medium and workingcomponents are hiding inside the sealed vessel

    隨著液壓技術的發展,液壓系統及液壓設備越來越復雜,液壓技術在農機上的應用也變得廣泛而復雜,農機液壓系統的故障診斷也越來越困難,液壓系統的故障診斷不象機械設備那樣直觀,也不象電氣設備那樣通過萬用表等儀器測得,液壓系統的工作介質和工作部件都在密閉的容腔內,流量計、壓力表等測量儀器遠遠不能滿足故障診斷的需求。
  4. The results illustrate that in the driven magnetic reconnection process generated by the dawn - dusk electric field in the magnetotail, the transportation of magnetic helicity flux via the boundaries of the system is the direct cause of the change of the total magnetic helicity in the system

    研究表明,對于由晨昏電場?生的磁尾驅動重聯過程,通過系統邊界輸運的磁螺度通量是引起系統總磁螺度變化的直接原因。
  5. Maxwell ' s equations conserve certain properties ? the magnetic field intensity, the electric displacement field and the poynting vector that describes the electric flux of an electromagnetic field

    麥克斯韋方程中有某些特性是恆定不變的磁場強度、電位移場以及描述電磁場電通量的坡印廷矢量。
  6. Based on many references form civil and abroad, the author mainly studies the measurment theory and method for flux, raising height, axial power and rotational velocity. avoiding many complicated and intermediate courses for power wastage analysis, introduces the electric measurement and using efficiency curve of motor in measureing axial power, and satisfies the automatization of the device. the paper also provides a new method, inductive winding, in measuring rotational velocity of electromotor, supplys limitations of other method in measuring rotational velocity of electromotor in water, and meet practical needs in developing diving electric pump for corporation

    作者在參閱大量國內外有關文獻,著重探討了水泵流量、揚程、軸功率、轉速的測試原理和測試方法,提出了採用電測法並結合電機效率特性曲線測量水泵軸功率,從而避免了損耗分析法中大量復雜的中間過程,滿足了試驗裝置的自動化測量要求;採用漏磁感應線圈法測量電機轉速,彌補了其它轉速測量方法對水下電機測試的局限性,適應了萊恩公司開發潛水電泵的實際需要。
  7. Gauss ' law establishes the relation between electric flux flowing out of a surface

    高斯定律建立了流出一個導電表面的電通量之間的關系。
  8. The result of the research indicates that the high performance concrete produced with this type of cement is of higher early and post strength and the electric flux of the concrete is low

    研究結果表明,應用該水泥配製的高性能混凝土均具有較高的早期強度和後期強度,混凝土的電通量較低。
  9. This paper gives the fundamental equation of electric circuit of switched reluctance generator ( srg ). the phase flux linkage, indutance and phase current of srg are discussed based on unsaturated magnetic circuit

    給出了開關磁阻無刷發電機的相電路基本方程,分析了基於不飽和磁路條件的相磁鏈、相電感和相電流。
  10. This kind of butterfly valve is suitable for foodstuff, pharmacy, petroleum chemical industry, electric plant, steel plant, industrial environmental protection water treatment and high building, for adjusting flux on water supply tube

    本蝶閥適用於食品、醫藥、石油化工、電廠、鋼廠、工業環保水處理及高層建築、供排水管道上作調節流量和截斷流體最佳裝置。
  11. 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速系統實現很困難,這是因為交流電機是多變量、強耦合的非線性系統,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速。隨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動系統中,促進矢量控制迅猛發展,日趨成熟。
  12. Ion channels are membrane - spanning proteins that can selectively mediate ion flux between the outside and inside of the phospholipid bilayer, and are essential for the electric activities of the organism

    離子通道是跨膜蛋白質,它能夠選擇性的介導離子流過脂質雙分子層,是生物電活動的基礎。
  13. Recommended practice for instrumentation for magnetic flux density and electric field strength meters - 10hz to 3khz

    10hz - 3khz磁通密度檢測儀表和電場強度計的推薦實施規程
  14. Suitable for welding of pulse mig / dc mag / co2 / flux - core wire / electric arc welding, and for welding of aluminum / titanium / copper alloys, low carbon steel, low alloy steel and stainless steel, as well as thin plate and medium thickness plate

    可用脈沖mig /直流mag / co2 /藥芯焊絲/電弧焊等,分別對鋁、鈦、銅等有色金屬及其合金、低碳鋼、低合金鋼、不銹鋼等等多種材料進行高性能焊接以及薄板高速焊接和中厚板粗絲大電流高效焊等
  15. For the example of the development course in the tianjin guohua panshan power generation co. ltd, analyses the reform and develop process of the state - owned enterprise from the flux of company ' s institution, the transform of the salary manage system in the enterprise, and the construct course in enterprise ' s civilization, in order to seek after a new manage pattern of the electric power enterprise to suit for the system of market economy in the socialism

    本文以天津國華盤山發電有限責任公司的發展進程為例,從公司組織機構變遷、企業薪酬管理體制的變革以及企業文化建設的歷程三個方面分析國有企業的改革發展過程,從而探索適應社會主義市場經濟體制下的電力企業管理模式。國華盤電公司企業的組織機構是從以基本建設為主生產準備為輔的籌建期的組織機構形式開始,該階段的組織機構形式屬于直線制的組織管理模式。
  16. Specifications for magnetic flux density and electric field strength meters - 10 hz to 3 khz

    磁通量密度和電場強計的規格. 10hz - 30khz
  17. Our factory ' s soft ferrite made from good - quality iron oxide has merits of high permeability, high saturation magnetic flux density and low loss, and id widely used in electric and electronic sets of various kinds

    利用本公司優質氧化鐵生產的軟磁鐵氧體,具有高磁導率,高飽和磁通密度和低損耗的優點,它廣泛的用於各類電子電器整機中。
  18. On the basis of the principle of direct torque control, a control strategy of the grade of errors for induction motor has been proposed to improve the performance of powertrain system of hybrid vehicle in this thesis. the stator flux error, electric magnetic torque error and flux position angle are considered as control variables, and the switching states are determined by the control rules of the direct torque control

    本文在直接轉矩控制系統的基礎上提出了一種基於誤差等級的直接轉矩控制dtc策略,它以電機定子磁鏈誤差、電機電磁轉矩誤差及磁鏈位置角作為控制變量,然後根據直接轉矩控制原理制定控制規則來選擇開關狀態,進而提高系統瞬態時的轉矩響應。
  19. One downside of the integrated bearings is increased coupling between the radial and axial degrees of freedom. the analysis of coupling is done by method of an electric circuit analog of the integrated magnetic bearing. the basic equation of magnetic circuit and the equation of suspension force are derived when permanent magnet flux and electromagnetism flux simultaneity is effected

    利用等效磁路法建立了該磁軸承的磁懸浮力數學模型,依據此數學模型分析了徑向和軸向磁懸浮力之間的非線性耦合關系,得出在轉子平衡位置附近,徑向和軸向懸浮力是解耦的結論,從而為控制帶來了極大的方便。
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