phase plane method 中文意思是什麼

phase plane method 解釋
相平面法
  • phase : n 1 形勢,局面,狀態;階級。2 方面,側面。3 【天文學】(月等的)變相,盈虧;【物、天】相,周相,...
  • plane : n 懸鈴木屬樹木。n 1 平面,水平面,面。2 (知識等的)發達程度,水平,階段。3 【航空】機翼面;〈常 ...
  • method : n 1 方法,方式;順序。2 (思想、言談上的)條理,規律,秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. This article discussed ar modeling method, capon method, music method and mn method four kinds of high resolution algorithms principle and has separately made the computer simulation in the ideal situation to the above four algorithms. through the comparison, the beam width of high resolution algorithm is much narrower than conventional beamforming method. then unifies the actual utilization, discussed the influence of time delay unbalance, time domain sampling, plane wave supposition and array element with scope and phase not identically to the beamforming and made the computer simulation

    本文首先討論了ar模型法、 capon法、 music法和mn法四種高解析度演算法的原理,在理想的情況下分別對上述四種演算法作了計算機模擬,通過比較,高解析度演算法的束寬比常規波束形成法窄得多;然後結合實際運用時的情況,重點探討了延時失配、時域抽樣、平面波假設和基陣的幅相不一致對波束形成的影響並做了計算機模擬。
  2. This text studies three methods about analyzing steady stat cornering performance of tractor - semitrailer : the differentiating of linear system steady stat cornering performance, the computer simulating analyzing of nonlinear system steady stat cornering performance, and the method of energy phase plane

    摘要為了分析半掛汽車的穩態轉向特性,研究了3種用於判別半掛汽車列車穩態轉向特性的方法:線性系統穩態轉向特性的判別、非線性系統穩態轉向特性的計算機模擬分析、能量相平面法。
  3. An idea, simulating the fuzzy model by establishing the fuzzy model and fuzzy control rule of the controlled object is proposed. generally, it is difficult to acquire the accurate mathematical description of the controlled object. a dynamic modulating factor is introduced in the designing of the fuzzy controller so as to improve the precision of the fuzzy control. and a more convenient defuzzify calculation method is adopted. the cart and the single inverted pendulum are taken so as to illustrate the simulation result. in addition, the detailed qualitative analysis of the fuzzy system is achieved. a kind of common method of qualitative analysis is proposed. it can be used to analyse the fuzzy system and describe the behavior of the system state precisely in the phase plane. the simulating results illustrated the method is feasible and available

    提出了在難以精確描述控制對象數學模型的情況下,通過建立控制對象的模糊模型來確定系統的模糊控制規則,並對模糊系統進行模擬分析的思想.利用連續系統定性分析的思想,提出一種對模糊系統進行定性分析的可行方法,在相平面內較為準確地刻畫模糊系統的動態行為.在模糊控制器的設計中,引入動態調節因子來提高模糊控制的精度,並採用了一種便於實際運算操作的解模糊運算方法.在一種簡單的控制對象情況下進行了具體的模擬計算,得到較理想的控制效果.此外對具有精確數學模型的一級倒立擺系統進行此種模糊控制,亦取得很好的模擬結果
  4. The azeotropic distillation of the system acetic acid - water - azeotropic agent ( isopropyl acetate and butyl acetate ) is simulated. due to the non - ideal behavior, nrtl - hoc and uniquac - hoc model is used to depict vapor - liquid phase equilibrium behavior of this system. concerning the liquid in the decanter, the stability is checked by tangent plane stability analysis, and the initialization of phase splitting calculation is produced. a good estimate of the phase fration is gotten by successive substitution with newton ' s method, and every component of two phase is gotten by mass equilibrium equation. finally, the solution of this equation is produced with successive substitution calcultion. the naphtali - sandholm method is used to simulation of azeotropic distillation. by virtue of this combined calculation method, the simulation is begun with operational data as basical data. the results of simulation accord with the operating data, which proved that the combined calculation method is credible

    該體系具有高度非理想性,氣液相平衡模型採用nrtl - hoc和uniquac - hoc模型,採用切平面判據法對進入分層器中的液相進行液相穩定性測試,提供液液相分離計算的初值,再結合牛頓拉夫森迭代法運算求得相分割系數,根據物料衡算求出各相組成,循環迭代可求得分層各組分數據,共沸精餾模擬計算採用那夫塔列-山德荷姆全變量迭代演算法。
  5. Base on helmholtz integral equation, the incoherent scattering of plane wave from rough cone - shaped surface is derived with the far field theory and stationary phase method. and the incoherent scattering of plane wave from rough conical surface is also derived with shadowing function when the the radius of principal

    最後計算並分析了入射光為= 0 . 48 m時,粗糙錐面的平面波散射特性,考察了入射波和散射波的幾何關系,偏振態以及粗糙面統計參量等對散射強度的影響。
  6. By means of the effective potentials and with the phase - plane method, the properities of the orbits of particles in the gravitational field with mass quadrupole moment are studied

    摘要通過等效勢能圖,並利用相平面分析的方法,研究了質量四極矩引力場中粒子軌道的性質。
  7. In the aspect of theoretical research : firstly, general descriptive format of controlling rule is discussed based on trait of intelligent control ; secondly, principle and tactic of basic logical controller are discussed based on panboolea algebra, and then control rules of basic logical controller are symbolized by using panboolea algebra ; at last, control idea of nine - points controller is presented based on basic logic controller, and control tactic is also analyzed based on phase - plane method

    在理論研究方面:首先從智能控制的自身特點討論了其控制規律的一般描述形式;然後以泛布爾代數為理論基礎,討論了基本型邏輯控制器的控制原理與策略,將邏輯控制器的控制規則用泛布爾代數符號化;最後以基本邏輯型控制器為基礎,討論了九點控制器的控制思想,並從相平面的角度對控制器的控制策略進行了分析。
  8. This paper discusses three methods of identifying tractor semi - trailer steady turning performance : linear system steady performance identifying method, non - linear steady performance identifying method and energy phase plane identifying method

    摘要研究3種用於判別牽引車半掛車列車穩態轉向特性的方法:線性系統穩態轉向特性判別方法、非線性系統穩態轉向特性的判別方法、能量相平面判別方法。
  9. In sce method, a sub - band frequency energy technique has been improved and a new technique which is based on phase plane technique has been proposed. four characteristic quantities have been extracted and used in data - analysis

    統計特徵量方法中,改進了子帶能譜特徵量提取方法;獨立提出了散射信號相平面特徵量提取方法。
  10. About the large deformation description, a multi - floating coordinate system is adopted. it can effectively reduce the error of discretization. this paper deals with the design of restrained variable structure control in the way of phase plane analyse, which is concise and avoids complex mathematical descriptions. a new method is promoted for flexible spacecraft control by describing flexible spacecraft dynamics equations as t - s fuzzy model and designing a pdc fuzzy controller

    將撓性航天器姿態動力學方程描述為t - s模糊模型為撓性航天器控制提供了新思路;模擬結果表明,基於t - s模型的pdc模糊控制器能滿足撓性航天器大角度姿態機動的精度要求,並能有效抑制帆板振動,具有一定的智能性。
  11. Phase plane method

    相平面法
  12. The stability of the helical equilibrium is analyzed with phase plane method, and an analytical criterion of stability is revealed

    用相平面法分析螺旋線平衡的穩定性,導出解析形式的穩定性條件。
  13. The regulative method is the key to optimizing. for the siso inertial plants, a presented method based on the analysis of the phase plane is applied in this paper

    調整方法是尋優過程的關鍵,對于表現為較大慣性的siso對象,本文提出一種基於相平面分析的方法。
  14. In addition, by phase plane method we obtain the existence of travelling fronts ( al ) connecting two adjacent equilibria under the assumptions that f " is bounded and that of viscous shock waves c connecting two adjacent saddle points with / a convex function

    另外,利用經典的相平面分析法,本文證明了( )在f有界時存在連接相鄰平衡點的波前( a1 )及在f為凸時存在連接相鄰鞍點的粘性沖擊波c 。
  15. Further, analyse the characteristic of the seismic wavefield of fractural reservoir and the influence caused by fracture density, property of the filled material and the strike of fracture. fifthly, in term of research of zhangshulun et al., concisely discuss the arithmetic of the plane wave forward modeling and migration with phase shift method, in prestack common offset gathers and check the arithmetic by numerical simulation

    第四,用基於彈性?聲學近似的反射系數計算公式和本文提出的付氏變換子波生成法得到縫洞模型的反射系數模型和子波模型並用vrselrf波場延拓運算元對其進行地震波場數值模擬;進一步分析了縫洞儲層的地震波場特徵及縫洞密度、充填物性質和裂縫走向對其波場特徵的影響。
  16. We have simplified the model through obtaining the average system of the underactuated robot using averaging method which is efficient to deal with nonlinear system. the simulation results show that the real system and the average system have the same trajectory in the phase plane under the disturbance of periodic input of the actuated joint of the robot

    將驅動臂的運動作為非驅動臂的擾動,建立了非驅動臂的動態模型,利用動態方程有效的近似解法?平均法,對非驅動臂的動態模型進行簡化,得到近似的平均系統,通過模擬計算驗證了二者具有相同的動力學特性。
  17. It is constructed that radial impact and rubbing dynamics differential equations of the rotor system having the nonlinear rigidity on the unsteady and non - linear oil film. the bifurcation and chaos behavior of impact and rubbing fault rotor system caused by the parameters of nonlinear rigidity, rotor rotating speed, eccentric mass is analyzed, in the numerical value analysis method. the bifurcation diagrams, maximum lyapunov exponent diagrams, poincar maps, phase plane portraits, trajectories of journal center, time - history curve, amplitude spectra diagrams of the rotor motion are used

    ( 2 )建立了具有非線性剛度的轉子系統在非穩態非線性油膜力作用下的徑向碰摩動力學微分方程,並應用含高階余項的非線性動力方程的線性化數值法研究了此類系統響應的復雜動力學行為,利用轉子響應的分岔圖、最大lyapunov指數曲線、 poincar截面映射、時域波形、相軌線、軸心軌跡、幅值譜等圖形分析了系統響應的周期運動、擬周期運動、倍周期分岔、混沌等運動形式的轉化與演變過程,重點研究了非線性剛度、轉子轉速、偏心質量等系統參數對碰摩故障轉子系統的分岔和混沌行為的影響。
  18. The switch control method includes the double thrust ( dt ) switch, the switch between phase plane control ( ppc ) method and quasi - slide control ( qsc ) method, and the angle feedback ( af ) switch

    該切換控制方法主要包括雙重推力水平切換,相平面控制律與準滑模控制律切換和角度反饋切換。
  19. In this paper, starting form the view of emulating human ( control expert ' s ) macrostructure and behavior functions, basing on the theory called human simulating intelligent control ( hsic ) and the method of analyzed phase - plane, the author proposes a new human simulating intelligent control ' s method with its parameters that have the ability of self - leaning and self - tuning online

    該論文從對人(控制專家)宏觀結構模擬和行為功能模擬的觀點出發,在已有的仿人智能控制演算法和相平面的分析方法基礎上,提出了一種新的參數在線自校正的仿人智能控制演算法。
  20. Under the guidance of intelligent analytical methods by decomposition of the control tasks and the intelligent decoupling strategies by the proper coordination among the complicated objectives ( proposed by chen qingchun ), following the pose adjusting phase method of the cart - doubled pendulum system ( proposed by zen ji ), the author clearly plot out the phases of pose adjusting and stabilization in the phase - plane, using it instead of the previous control policy which plot out phases of pose adjusting and stabilization by simulative time

    首次在誤差相平面上對小車二級倒立擺的姿態整定階段和穩擺階段作出了明確的劃分,並用以替代以前用模擬時間來劃分姿態整定階段和穩擺階段的控制決策。接著將參數在線自校正的仿人智能控制演算法引入小車二級倒立擺穩擺階段,提高了它的魯棒性和適應性。
分享友人