曲線加速器 的英文怎麼說

中文拼音 [xiànjiā]
曲線加速器 英文
ca curvilinear accelerator
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied

    本文針對電站風機性能監測系統研究較少的現狀,在實驗的基礎上分析了現場裝進氣箱和由於安裝造成的導流葉片開度不一致對風機性能的影響,並在此基礎上採用無節流方法測量流量,以風機調節性能為依據,建立了基於徑向基函數( rbf )神經網路的風機流量全程監測模型;以實驗室4 - 73no . 8d離心風機為研究對象,探討了rbf神經網路差壓模型在變轉、變導流開度和變管網阻力等工況下的應用精度和誤差分佈規律;最後用visualc + +語言開發了風機性能在監測系統。
  2. A method of fuzzy optimization design based on genetic algorithm is presented as a new method of parameter optimization design for dc double closed loop speed adjusting system. the method covers three steps. firstly, speed overshoot rate and settling time are chosen as performance indice according to the demand of engineering. these indice are normalized by using fuzzy membership function and then weighted to form objective function of optimization model of the system. secondly, the dynamic response curve of the system with corresponding parameters and peoformance indice are obtained by computerized numerical calculation and simulation. finally, parameters of engineering design are expanded as searching space ; and parameters of speed regulator and current regulator are taken as genes in chromosome. these genes in searching space are optimized to get best solution by way of genetic algorithm. as shown by experimental results, the parameters designed by this method are capable of significantly improving performance indice of the system, which proves that it is a practical and effective method

    提出一種基於遺傳演算法的直流雙閉環調系統參數優化設計方法.根據工程技術的要求,選用度超調量和過渡時間作為參數優化性能指標.將該指標用模糊隸屬度函數歸一化,再權平均形成系統優化模型的目標函數.採用計算機數值計算方法,通過模擬獲得系統對應參數的動態響應及其性能指標.最後以工程設計的參數為搜索范圍,以度調節和電流調節的參數為染色體中的基因,通過遺傳演算法在搜索范圍中優化這些基因,獲得優化解.實驗結果表明,所設計的參數能使系統性能指標有顯著提高
  3. Besides, pid control algorithm is introduced and the velocity closed - loop controller is designed on the basis of dynamic model for the train. furthermore, according to kunming world ' s fair route data, the ato system with pid controller is simulated. it shows some disadvantages, and so the predictive control algorithm is brought forward to realize velocity closed - loop control

    在已有的列車運動模型基礎上,採用pid控制演算法,設計了列車的度閉環控制,結合昆明路數據,進行了基於pid控制的ato系統模擬分析,發現採用pid控制控制時,列車運行呈波浪形,當遇到坡道或者外界干擾時度和會出現尖峰現象。
  4. Second, the author introduced a new stability region, and programmed a trajectory of variable zmp, which was defined as a cosine curve ; the author also designed a cog - compensated method to keep the cog ’ s height ; based on dynamics of 3 - d inverted pendulum, the author educed the cog ’ s trajectory equation of the robot in the three - leg - support phase, and used third - order splint function to ensure the acceleration continuity of the robot ’ s cog in the four - leg - support phase. at last, walking patterns of the corresponding gait are generated through programmer design

    然後,提出了一種新的支撐區域選取方法,採用了按餘弦規律變化的zmp運動軌跡;為了維持機人行走時重心高度不變,採用了一套有效的質心高度保持方法;基於三維倒立擺模型,推導了機人三腳支撐期質心運動軌跡方程;採用三次樣條插值規劃了四足支撐期度連續的質心運動軌跡。
  5. Based on variable zmp and dynamics of 3 - d inverted pendulum, we educed the cog ( center of gravity ) ’ s trajectory equation of the robot in the single - support phase and transition of locomotion phase. and we used third - order spline function to ensure the acceleration continuity of the robot ’ s cog in the double - support phase. thereby, the smooth trajectory of cog was gained by planning

    由基於可變zmp和三維倒立擺的動力學原理,推導出了單腳支撐期內和步行方式轉換期間機人的質心運動軌跡方程;並採用三次樣條來保證機人在雙腳支撐期質心度的連續性,從而由規劃得到了光滑的質心運動軌跡。
  6. Based on the theory of mechanical optimization and finite element analysis, elbow - bar mechanism of the mp1040b moulding machines made by beiren group is investigated in the dissertation. firstly, a kinematic model representing the bar mechanism is built and the nonlinear system of equations is solved through the method of gradient. meanwhile, the angular displacement, angular velocity, angular acceleration and the corresponding curves of each component in a motion period are obtained

    本文以北京人民機廠mp1040b型模切機肘桿機構為研究對象,以機械最優化理論和有限元技術為基礎,首先對模切機肘桿機構建立數學模型,通過梯度法求解此非性方程組,並得出機構在一個運動周期中各構件的角位移、角度、度等運動參數及
  7. In the aspect of the time - optimal control algorithm, with the special trajectory, a method for seeking scalar velocity bound curve and scalar acceleration limit has been proposed, which fully considered the dynamics nonlinear

    在機人時間最優控制演算法方面,提出一種在特定軌跡約束下尋求標量度邊界和標量度極限分佈的方法,其充分考慮了機人動力學的非性因素。
  8. By analyzing the scalar velocity bound curve and combining distribute of acceleration limit, a time - optimal control algorithm was designed. the results of experiments show it can make full use of the capacity of motor while realizing the stability and positioning accuracy of system, solving the problem of time - optimal control

    通過對標量度邊界的分析,結合度極限分佈情況,設計了一種在特定軌跡約束下機人時間最優軌跡規劃演算法,以在保證系統穩定性和定位精度的前提下,充分發揮電機的性能。
  9. Power bond graph is used to established the bond graph model of the lifting and dropping of hydraulic pile hammer and state space equation in the paper for hydraulic pile hammer is perplexing nonlinear system. in order to attain the graph that pressure, position, velocity, acceleration vary with time in the course of driving pile simulation procedure solving state space equation is designed on the basis of combining four - order runge - kutta method with predicator - corrector method, dynamic simulation of the hydraulic system is studied in matlab 6. 5. it is convenient to analyse dynamic characteristics of the hydraulic syste m, beneficial to the design and parameter optimization of the hydraulic system. in the final part of the paper, under detailed analysis of the control characteristics for double - acting hydraulic pile hammer with double cylinders, control system based on the programmable logic controllers founded on technology of modern compute is designed

    由於液壓打樁錘液壓系統是一個復雜的非性系統,本文採用功率鍵合圖法建立液壓打樁錘上行、下降的鍵合圖模型和狀態空間方程,通過四階龍格?庫塔法和預估?校正法相結合編制了模擬程序對狀態空間方程求解,在matlab6 . 5中進行液壓系統的動態模擬,獲得液壓打樁錘運動過程中壓力、位移、度、度等隨時間變化的圖。此圖方便了對液壓系統動態特性分析,為液壓系統的設計和參數優化提供了有益的借鑒。最後,在深入分析雙缸雙作用液壓打樁錘控制系統的功能要求后,採用了以現代計算機技術為基礎的新型工業控制裝置? plc可編程式控制制,設計出了雙缸雙作用液壓打樁錘的電控制系統。
  10. The vibration magnitude can be reduced by applying the shock vibration absorber in boring process, the curves of the amplitude versus gap between the shock block and the hole in boring bar was gained by experiments with different cutting speed. the experiments show that the absorptive results is good when applies shock vibration absorber with suitable gap in boring process, while the vibration may be strengthened with unsuitable gap. 6figs., 2tabs., 3refs

    通過試驗研究,得到了在不同切削度的情況下,沖擊塊與孔壁之間的間隙與切削振動幅值的關系,研究說明,沖擊式減振在適當的值范圍內減振效果明顯,但如果選擇不合適,則有可能使振動強.圖6 ,表2 ,參3
  11. In the dissertation, the response characteristics of capacitive accelerometer whose sensing and driving combs have small angles of decline for step and shock signals are deeply researched for different driving voltage configurations. the dependences of the critical time of the pulse signal and the critical step signal for the different configurations and different angles of decline are developed

    本文深入研究了梳齒小角度傾斜的電容式傳感,不同驅動電容配置下受到脈沖度信號和階躍度信號作用時的響應特性,得到了在不同驅動電容配置,不同傾斜角度情形下的臨界脈沖可持續時間和最大階躍度信號隨驅動電壓的變化
  12. According to the robot of trait, the robot of kinematics is analysed by inverse kinematics. the coordinate transform in kinetic course was given. and the velocity and acceleration is analysed by influence coefficient. the changeable velocity and acceleration of curve in the ideal condition is designed and analysed. based on zmp theory, formula calculates zmp by direct and indirect means is deduced

    利用影響系數的方法給出了機度和度公式,給出了機人在理想狀態下行走的各分支機度和度的變化,對進行了分析,指出對應于實際行走過程中每一段的意義,為機人的控制打下了堅實的基礎。
  13. The forward kinematics simulation results showed that accelerates of the end - effector obtained from simulation was equal to that of the given. the relation between the velocity of the end - effector and simulation time was nearly linear with gentle tangent slope, and the position varied with time continuously and smoothly without any vibration during moving

    正運動學模擬結果表明,末端執行度與給定度一致,度與時間基本呈性變化且斜率小;位置變化平滑,無振動現象,滿足正常工作要求。
分享友人