相平面法 的英文怎麼說
中文拼音 [xiāngpíngmiànfǎ]
相平面法
英文
phase plane method- 相 : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
- 平 : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
- 面 : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
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Linear and nonlinear oscillations, relaxation. phase plane methods and multiple scales. application to celestial mechanics and mechanical vibrations
線性及非線性振動,鬆弛。相平面方法和多重衡量。天體力學和力學振動的應用。Output can be obtain, next we use our designed the wavelet soft threshold to select result of the wavelet transform, finally, we give the selected result reversal wavelet transform. it is obvious : the wavelet soft threshold is important to improve the quality of the gray image processing. i give the donoho wavelet soft threshold a modified value method, which has a relation with ratio of signal - noise. i made full use of discrete hop field single feedback neural network, and nonlinear steady of automatic system at last, i obtained a steady limited ring, give the energy function an order differential a optimal
我的思路是:改造現有圖形結構,先建立能反映信噪比大小且含待定參數k的表達式,然後通過離散型h0pfi舊單層反饋神經網路,再結合前邊的混合濾波器構成一個非線性控制系統,寫出對應的網路函數,利用相平面法和李雅普諾大穩定性的判據,得到一個穩定的極限環,從而確定出參數卜的范圍,進而再對原來的小波軟閾值進行修正,用修正後的值作為小波閾值。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。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We only introduce the well - known phase plane and describing function methods
我們將介紹比較熟知的相平面法和描述函數法。Some successful techniques such as phase - plane, describing function, and ad hoc methods, have been developed to alleviate this shortcoming
一些成功的方法,如相平面法、描述函數法以及一些特定的方法可以改進經典控制理論。Based on the analysis of sedimentary facies in individual wells and the correlation of three cross sections of sedimentary facies, it is elaborated that sedimentary facies of jianglingjiang formation are vertically and laterally developed within qianwei area. by the method of single - factor analysis, it is pointed out facies distribution of four key formations after thorough study of four geologic factors that could embody sedimentary environment and facies, that is the thickness of formation, grainstone and dolostone, and lithofacies. with the above results, combining with reservoir and structural features, of which the emphasis is the reservoir characteristics of different rock and microfacies types, it is pointed out favorable reservoir zones, by the method of multi - factors superposition
採用單因素分析法,選取並研究地層厚度、顆粒巖厚度、白雲巖厚度和區域巖相等四種能反映沉積環境和沉積相的地質因素,指出了四個重點層段的沉積相平面分佈特徵;根據沉積相的研究成果,結合儲層特徵和構造發育特徵,著重討論了不同巖石類型和微相類型的儲集特徵,採用多因素疊合法對犍為地區嘉陵江組有利儲集相帶進行了預測,指出了有利儲集相帶的分佈。First, proper initial conditions between ekv and target are the premise of hit - to - kill. capture region is described by equations of relative motion defined in modified polar coordinate while phasetrajectory graph is introduced. and the disturbance of initial condition biase is analyzed by cadet through statistical linearization of ekv dynamical model
本文在修正極點坐標系中建立攔截器和目標之間的相對運動方程,結合相平面軌跡圖,分析了大氣層外動能攔截器的攔截區;對大氣層外動能攔截器動力學模型進行統計線性化,採用協方差分析描述函數法,分析了初始狀態誤差對彈道的影響。Vertieal assistant surface method extract interfingering lines
垂直輔助線平面法求相貫線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。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。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。2 ) the sce shows potential of the application for sea bottom classification. both the improved sub - band frequency energy technique and the phase plane technique can distinguish completely the sea - beds : sand - type and silt - type
本文提出的相平面方法是一種新的辦法,對現有的兩類海底散射信號數據處理效果很好,其有效性需要進一步驗證。Then, the minimum - time trajectory planning ( mttp ) for single manipulator is investigated. mttp with dynamic model constrains is presented in detail. then a algorithm of dynamic searching time - optimal trajectory based on phase - plane techniques is proposed and simulated
其次,研究了沿指定路徑單臂最優時間軌跡規劃,先詳細介紹考慮動力學模型的最小時間軌跡精確解法,然後提出了一種基於相平面動態搜索時間近似最優軌跡的方法,並將該演算法進行了模擬實驗。Phase plane method
相平面法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。So, it is important to make the system be adaptive, that is, the system can change the control parameter or control action according to the change of parameter or control index such that the system work at the best state. proper speaking, many systems in control engineering are nonlinear and linear system is only a special case of it
由於經典控制理論只適用於線性系統;而非線性系統的相平面法和描述函數法只能分析簡單的非線性系統;幾何理論則需要系統的精確的數學模型,這給非線性系統的研究帶來了很大的困難。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。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 。The attitude control system using reaction thrusters is studied. based on phase plane theory, pd control law, time - optimal control law and time - fuel optimal control law were designed. characteristics and application conditions of these laws were compared in simulations
針對以噴氣推力器作為執行機構的姿態控制系統,基於相平面分析方法,分別設計了pd 、時間最優和燃料-時間混合最優控制律,在模擬中分別比較了這幾種方法的特點和適用條件。分享友人