軸系的功率 的英文怎麼說
中文拼音 [zhóuxìdegōnglǜ]
軸系的功率
英文
cross-shaft power- 軸 : 軸Ⅰ名詞1. (圓柱形的零件) axle; shaft 2. (對稱部分的直線) axis 3. (圓柱形的纏繞器物) roller; spool Ⅱ量詞(用於纏在軸上的線以及裝裱帶軸子的字畫)
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 的 : 4次方是 The fourth power of 2 is direction
- 功 : 名詞1 (功勞) exploit; merit; meritorious service [deed]: 戰功 military exploits; 立功 render me...
- 率 : 率名詞(比值) rate; ratio; proportion
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In order to study the characteristic signals according to the quality of the welding with dissimilar gaps, the self - made real - time monitoring system with coaxial sensors is applied to acquire and extract coaxial signal, and then the signals are analyzed with modes analysis, subsection power analysis and wavelet analysis
摘要為了研究不同間隙下激光拼焊的焊縫質量及其對應的信號特徵,採用自製同軸傳感系統採集提取多種間隙下焊接時的同軸光信號,並對信號進行眾數分析、分段功率譜分析和小波分析。Man b & w 10l90mc diesel engine is a new type of man diesel company and it has been used in large container vessel. in order to investigate into the characteristic of shaft torsional vibration when any single cylinder flames out and how that affects the main power propulsion system of a ship, the author puts forward a new way of calculation concerning the shaft torsional vibration when the mean indicated pressure of other cylinders remain unchanged
在此基礎上,開發了新的船舶軸系扭轉計算軟體,並以manb & w公司近幾年新推出的一種大功率多缸柴油機manb & w10l90mc型柴油機為例,分別進行了額定功率下和單缸熄火下的扭轉計算,並提出單缸熄火時其他缸平均指示壓力保持不變的軸系扭振計算方法。Based on the theory of geometrical optics, the relationship between the axial force exerted on the micro - sphere particles in the mie scattering field and the main parameters of laser is calculated quantitatively when the absorption is considered. the results not only show the relationship between the axial force and some parameters, that include the absorption coefficient of microscopic particles, the laser wave - length, power and so on, but also are useful for choosing parameters in experiments
摘要以射線光學模型為基礎,對微粒直徑遠大於激光微束的米氏粒子在考慮對光的吸收時軸向力與光源參數的關系進行了計算,計算結果給出了軸向力與微粒的吸收系數、波長、激光功率等參數的關系,為實驗中參數的選擇提供了依據。The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault , researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system , a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows : this paper compared some existing methods in excitation control , fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 , indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which , discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations , made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations , which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations , there were several very important parameters of power system - - rotor angle ( ) , rotor speed ( ) , generator q axis voltage ( eq ) , transient voltage ( e ' q ) , active power ( pe ) , mechanical input power ( pm ) , valve opening ( ) , generator terminal voltage ( vt ) , based on the model , nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault , which achieved better postfault regulation compared with another two routine methods , one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either
在介紹逆系統理論的基礎上,詳細介紹了dfl理論,通過比較闡明了dfl理論其本質是逆系統方法的一類,並結合具體課題推導出的模型方程將dfl理論進行了擴展,使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程,此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ,在此基礎上建立了實用的電力系統簡化的數學模型,並將擴展的dfl理論應用於此模型系統,結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器,通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門(考慮發電機的飽和因素)進行了對比,證實了採用此種控制器可以有效地提高電力系統的暫態穩定性,並且在電力系統遭受小干擾時同樣具有良好的調節性能。The temperature rises and the dc voltage are proportional to the power dissipated, which is equal to the power of the source being measured if the input impedance is suitably matched to the source impedance
熱偶冷熱結之間的溫度差和熱電勢均正比于耗散在ta2n電阻上的微波功率,如果熱偶的工作電阻與同軸傳輸系統電阻匹配適當,該功率就等於被測源的功率。Due to the usage of ti - alloy in the collector ring, the system has good anti - corrosiveness. a testing system presented in the paper has been successfully used on board, and the measuring precision is satisfied
為提高應變電測系統的穩定性和可靠性,在該系統中採用鈦合金集流環的技術,增強了系統的防腐性能,減輕了系統的重量,是鈦合金在艦船軸系軸功率測試系統中的成功應用。The letter in these factors is not ignorable in rotating shafting at high speed because of effect of it on power of the laser scanner
對于高速旋轉的軸系,後者不可忽視,其主要影響掃描器的功率。We presents a detailed studied of the linewidth of parametric light in clbo - opo caused by the linewidth of pumping beam, off axis phase matching, divergence angle of pumping, time above threshold, high gain coefficient of nlo crystal, fluctuate of cavitylength, spontaneous radiation, according to the momentum and energy conversion laws, and the sellmeier equations of the clbo, we calculated curves of the type - i and type - ii compared with the bbo ' s
根據能量動量守恆關系和clbo的色散方程,詳細分析了由於泵浦光的線寬、泵浦光偏軸泵浦、泵浦光的發散角、泵浦光功率超過參量光振蕩閾值一定倍數、高增益系數、有效腔長波動以及自發輻射引起的參量光線寬,並得到了與bbo晶體在類、類相位匹配下比較的理論曲線。Secondly, the power density spectrum is calculated from fft and the units " behavior is analyzed in the frequency domain ; the waterfall form for the start up process is plotted
運用fft求取功率譜,分析信號的頻域特性,繪制啟動過程瀑布圖;分析尾水管壓力脈動對機組軸系的激勵作用Taking stray light in " shenguang iii " as the study subject and basing on the basic principle of geometrical optics, applying the technological path of paraxial ray and real ray tracing, a new analytic way and data structure, which suits for the specific requirement in analysis and process of ghost images, is presented
本課題就是以「神光- 」激光裝置中的雜散光為研究對象,針對高功率多程放大系統在鬼像分析與處理方面特殊要求,從光線光學的基本原理出發,應用近軸光線與空間光線追跡技術路線,提出一種新型的分析方法和數據結構。The results showed that : ( 1 ) the application of the above optimization method is feasible in the process of vacuum residue hydrotreating. ( 2 ) shaft power is a small part in the operation fees of the hydrogen system and has little influence on the optimization results. ( 3 ) vent should be decreased to reduce energy consumption because of the high concentration of the cycle hydrogen after rebuilding of the unit
在pc - 133微機上進行了模擬和優化計算,結果表明: ( 1 )以復合形法為核心的可行路徑序貫模塊法在重油加氫過程中的應用是可行的; ( 2 )壓縮機軸功率在重油加氫的氫氣系統操作費用中所佔比例較小,對優化結果影響不大; ( 3 )裝置經過技術改造后循環氫純度過高,可以減少放空以節省能耗; ( 4 )建立的氫耗模型能夠可靠地計算現有裝置的循環氫濃度、溶解氫總量和裝置氫耗量。It drew the failure analysis flow sheet of hydraulic axial pump, calculated temperature increase of hydraulic system, and finished the test of hydraulic axial piston double pump. at last. through the discussion about daily maintenance & management methods and repair of hydraulic axial piston pump, it introduced the management system & contents for our corporation
論文結合上述問題,詳細介紹了液壓系統故障分析方法,液壓系統故障分類和故障特性,建立了液壓軸向柱塞泵的故障分析流程圖,計算液壓系統的溫升與液壓泵功率損耗之間關系,並對工程機械用雙朕軸向柱塞泵進行了實驗。Through establishing three mathematics models including the movement equation of the mechanical and electrical transmission system, the control of the load and the sliding in stable status, direct - current - brake of ac motor, this paper ascertained the range of the frequency value of drive motor and the efficiency of transmission system, calculated the efficiency of load motor in stable status and the moment of load motor in braking. this paper completed the design of the mechanical part of inertia brake test platform and provides a tool for the measurement of the inertia brake parameters
本文還通過建立慣性制動器試驗臺的包括機電傳動系統的運動方程、穩態運行時負載與轉差率控制、交流電動機直流制動在內的三個數學模型,確定驅動電機的頻率取值范圍和傳動系統的傳動效率,驗算慣性制動器穩態運行時負載電機軸功率和慣性制動器制動時負載電機軸力矩,完成慣性制動器試驗臺設計中的機械部分,為慣性制動器各參數的測量提供工具。This product acquires engine crank corresponding phase signal and rotating speed signal, which after ecu treatment, are used together with signals collected from other load sensor ( such as shutter location sensor ) to achieve electronic control over engine ignition timing. compared with mechanical ignition timing control, this is more precise and reliable, resulting in optimized performance of engine in oil consumption, exhaust, output and torque
Fdw465b型電噴分電器總成採集發動機曲軸相位信號及轉速信號,同其它負荷傳感器(如節氣門傳感器等)採集到的信號,經電控單元ecu計算處理后,實現對發動機點火正時的電子控制,較之機械式點火正時控制更加精確、可靠,使汽車發動機系統的綜合性能得到較大提高,特別是發動機的燃油消耗率、排放、輸出功率、扭矩等方面都得到較大優化。Through the control of 8098 monolithic processors and the power amplification function of the drivers, the signal is passed to the stepping - motor, which is connecting with load ( supports ) through the ball guide screw, and then supports are moved in axial direction. so automatic control of supports adjusting can be realized
該系統通過8098單片機的控制,再經過驅動器的功率放大作用,將信號傳給步進電機,步進電機通過滾珠絲杠與負載(支座)連接,以此帶動支座的軸向移動,實現支座調整的自動控制。The mode competition is much improved. it may operated with a large electron beam radius, that means decreasing the space charge effects compared with a smaller radius beam with the same current, hence the rbwo may operated with a low axial guide magnetic field. besides, the rbwo with a sinusoidal corrugated coaxial structure is very easy to manufacture
波紋內導體rbwo具有一些突出優點:同軸結構中內導體的存在使系統的截止頻率顯著升高,使得系統尺寸可比普通波紋波導慢波系統大;具有很大的抑制模式競爭的能力和很高的功率容量;可以採用大半徑電子注,在工作電流不變的情況下空間電荷效應大幅度降低,因而可以工作在低磁場狀態;此種慢波結構內導體上的波紋易於加工。According the principle of the statistical energy analysis method, define subsystem the whole system into four subsystem : subsystem of rail ' s vertical vibration, subsystem of wheel ' s vertical vibration, subsystem of wheel ' s lateral vibration and subsystem of acoustic space. then define the power flow equation between the subsystems
首先根據統計能量分析方法中子系統劃分的原則,將整個結構系統劃分為:鋼軌的垂向振動子系統、車輪的徑向振動子系統、車輪的軸向振動子系統及聲空間子系統共四個子系統;並且建立了子系統間功率流平衡方程。Analyzing real hrv, proving the every segment power ( high frequency > low frequency ) of projection in frequency axis is times with the every segment power by using fft, the lf / hf by using 2 method is primarily sameness. 3d figure is a trenchancy tool for doctor to look over the relation between time and frequency
對實際的心率變異信號進行了維重慶大學碩士學位論文格納分析,證實通過計算三維時頻分佈對頻率軸的投影得到的各頻段(高頻段、低頻段等)功率,與直接用fft所得各頻段功率,二者只相差一個比例系數,並且二者lf hf的值基本相同。The recursive criterion of transient current protection based on mallat wavelet transform is presented in order to meet the real - time demands. the reserch shows deficiency existed in the prevenient principle of transient current protection, so a new improved scheme of transient current protection is proposed. the characteristics of transient protection at different bus distribution capacitance is also analysed in this thesis. the study shows that operate of transient protection is correct when the bus distribution capacitance change. other conclusion include : the trip of transient protection must be locked when the power circuit breaker of transimission line operated, because the trip is incorrect at this time ; the features of transient current and it ' s energy is different between the fault and thunder over - voltage in transimission line, and them can be identified ; the ratio of high frequency component of current in serise capaciters compensation line, svc and hvdc system is far little than fault transient current, so all of them do not affect the working of trasient current protection
應用功率譜估計方法討論了故障高頻暫態噪聲信號在頻率軸上的分佈情況,利用功率譜分析結果實現的非參數化系統辨識方法研究了母線分佈電容對電流高頻暫態信號的衰減特性。論文的後半部分(第五,六,七章)著重分析了現有基於故障電流的暫態保護原理和判據存在的問題,提出了新的實現方案,並討論了暫態電流保護的運行性能。利用多分辨分析和小波分解快速演算法構成的遞推暫態保護判據,可以準確區分故障線路和非故障線路,實現超高速暫態電流保護,計算更為簡單方便,計算速度更快。Presented in this paper is the investigation of some problems existing in the far - field method widely used in hpm measurement. first, the errors are analyzed from the practical calculation of the directivity for the radiation of the te11 mode in the circular waveguide. secondly, the results obtained from simulation and experiments are compared with each other on the effective area of the receiving antenna of certain types, and the power capacity are calculated for these antenna
首先,對圓波導te11主模輻射方向性系數實際計算中存在的誤差進行了分析;其次,對一些型號的接收喇叭有效面積進行了模擬和實測對比,並通過計算給出了這些型號的接收喇叭的功率容量;最後,實驗測定了微波脈寬對一些微波器件? ?同軸型檢波器、同軸型衰減器及微波電纜性能的影響。分享友人