擬線性模型 的英文怎麼說
中文拼音 [nǐxiànxìngmóxíng]
擬線性模型
英文
quasi-linear model- 擬 : 動詞1. (設計; 起草) draw up; draft 2. (打算; 想要) intend; plan 3. (模仿) imitate
- 線 : 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...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 線性 : [數學] [物理學] linear; linearity線性代數 linear algebra; 線性方程 linear equation; 線性規劃 line...
- 模型 : 1 (仿製實物) model; pattern 2 (制砂型的工具) mould; pattern3 (模子) model set; mould patter...
-
Then following reality constituent of engine and connecting component interface, a nonlinear signal cylinder engine model has been created, though fire interval and fire order, a control - oriented four cylinders engine is build. following dynamometer is seen as load, performance of engine is simulated and researched under the condition of constant torque and speed, validation of the math and simulation model have been confirmed by comparison result between simulation with test result of engine performance simulation software dyno
按照發動機的實際組成,根據各部件的介面類型連接模型庫中的部件,建立了單缸發動機非線性模型,在此基礎上,依據發動機實際發火間隔和順序,建立了面向控制的四缸汽油機模型,並以測功器為負載,通過恆轉矩和恆轉速方式進行了發動機性能模擬和研究,模擬結果和發動機動力性能模擬軟體dyno測試結果的對比驗證了數學模型和模擬模型的正確性。Two nonlinear simulation methods are designed by curve fitting method and anfis which seem simply and right in the simulation experiment. based on the model different control strategies also were realized in detail such as chopped current control ( ccc ), angular position control ( apc ), amplitude - change ccc and pi control. a simple torque sharing function ( tsf ) method and a tsf controller were designed which decreases torque ripple effectively
文章中還建立一種基於模糊神經網路的非線性模型,並對比分析了三種方法,模擬中確定了電機的最優開通關斷角,在此基礎上實現了電流斬波控制、角度位置控制、變幅值電流斬波控制以及分段雙閉環pi控制,模擬結果表明,它實現了電機的正常運行,很好的抑止了電機轉矩脈動,同時有效地降低了噪聲。The dissertation is organized as follow : first, the characteristics of srm and its control system ' s development are introduced. previously major methods used to implement non - position sensor detection and the significance of making search for this direction is generated. and the configuration and fundamental operating principle of srm are analyzed ; some study of linear model and nonlinear model with phase coil as fundamental parameter are presented and sr ' s linear model and nonlinear model are set up
本文就以上兩個問題進行了深入研究,首先介紹了sr電機及其控制系統的發展歷程,研究無位置傳感器srd的意義和總結已有的無位置傳感器檢測方法,並且通過分析sr電機的結構和運行原理,研究sr電機繞組的線性電感模型和非線性電感模型,建立了電機的線性和非線性數學模型,重點研究sr電機的非線性模型,為sr電機運行與控制特性的研究和模擬研究奠定了理論基礎。The nonlinear controller is gained 2 ) the analysis of 4ws system by nonlinear dynamics combined the nonlinear tyre model with a driver model, a nonlinear 4ws model is put forward. its stability is analyzed and the result is verified by simulation
( 2 )用現代非線性動力學理論,結合非線性輪胎側偏公式與司機模型,建立了4ws的非線性模型,研究了其穩定性,並進行了數值模擬。Abstract : aiming at the variety of modals of nonlinear systems, we proposed a general parameter estimation method based on genetic algorithms ( ga ), which can be used in most kinds of nonlinear system modal. this method was applied to simulating parameter estimation of several different examples of nonlinear systems. the results proved that the method is effective and useable
文摘:針對非線性系統模型的多樣性,提出適用於多種非線性模型的基於遺傳演算法的參數估計方法,並以多種非線性模型為例作了模擬研究.結果表明,遺傳演算法是非線性系統模型參數估計的有效工具The basics of lithography process, as well as the basic structure of lithographic system and the basic theory of partially coherent imaging are introduced in this paper. a bi - linear model of optical imaging is also presented. based on these theories, the simulation process of csplat is particularly analyzed, especially the computation of tccs ( transmission cross coefficient ) under different illuminations and the processing of primary lens aberrations inside tcc computation process
本文從光刻基本過程入手,介紹了光刻機光學系統的基本組成、部分相干光透射成像的基本原理,提出了光學系統的雙線性模型,並在此基礎上詳細分析了模擬軟體splat的模擬過程,其中著重分析了光學系統的傳輸交叉系數tcc的計算,包括不同照明系統下tcc的計算以及tcc計算中像差的處理。Monte carlo simulations were conducted to study the new approaches of qtl mapping, the results indicated that general least squares ( gls ) method, which was widely applied in mixed linear model, could unbiasedly estimate all genetic main effects, including additive effects, dominance effects and epistatic effects of additive by additive, additive by dominance, dominance by additive, dominance by dominance. the interaction effects between genetic main effects and environments could also be predicted unbiasedly by linear unbiased prediction ( lup ). the heterosis prediction based on qtl effects was also unbiased
對新提出的qtl分析方法進行了montecarlo模擬研究,結果表明,廣泛應用於混合線性模型的廣義最小二乘法( gls )能夠無偏估計加性效應,顯性效應以及加加、加顯、顯加、顯顯上位性效應等各項遺傳主效應;運用線性無偏預測法( lup )能夠無偏預測上述各項遺傳主效應與環境的互作效應;基於qtl效應的雜種優勢預測也是無偏的。Finally, a feedback control system of neural network was designed and a special learning method was produced to train the neural network which was applied in the non - linear model of semi - active suspension. the result of test showed ride comfort and handling was improved preferably after the control, and the semi - active suspension system harmonized the vehicle performance with the controller
最後,設計了神經網路反饋控制系統,採用一種特殊學習(直接學習)方法對其進行訓練,並將其應用於半主動懸架非線性模型的模擬驗證,通過對多種路面激勵輸入條件下的模擬分析表明:該神經網路反饋控制系統可以較好地提高車輛的乘坐舒適性和操縱穩定性,採用這種神經網路反饋控制的半主動懸架,可以較好地協調車輛性能。A model of srm ' s inductance is given with artificial neural network. according to srm ' s characteristic, torque - ripple of srm is reduced by designing expected torque
本文第二章利用非線性方法和神經網路對sr電機電感進行了建模,並在非線性模型的基礎上對相電流和轉矩進行了模擬。Against two kinds of nonlinear friction observers, the analytic expression of zero ve - locity interval t based on the nonlinear model of brushless dc motor system is deduced in this paper. simulation results indicate that the system performance at low velocity can be im - proved effectively using the friction observer based on coulomb friction model
針對兩種不同的非線性摩擦觀測器,推導了基於無刷直流電動機非線性模型的零速度時間間隔腡解析表達式,通過模擬證實,利用基於庫侖摩擦模型的摩擦觀測器可以有效地改善系統的低速控制性能。The criterion that is based on nonlinear mode of transformers can better reflect the state of transformers that have been proved by academic analysis and empt emulation
該勵磁涌流判據採用了變壓器非線性模型,能更好的反映變壓器的工作狀態,論文用理論分析和數字模擬作了詳細證明。This paper has built more precision mathematical model for the valve controlled asymmetrical cylinder system based on the simulink simulation flat, then according to actual need and combining self - adaptive control theory, we choose a mathematic model which has good performance to be the reference model of our adaptive control and adopt velocity system of asymmetric cylinder controlled by symmetric valve as controlled device to design the adaptive controller
本文建立了基於simulink模擬平臺上的閥控非對稱缸系統較精確的非線性模型,然後根據對系統提出的性能指標要求,結合自適應理論選取性能良好的數學模型作為自適應控制的參考模型。以閥控非對稱缸速度系統作為被控對象,設計自適應控制系統。Weak consistency of quasi - maximum likelihood estimates in multivariate generalized linear models
多維廣義線性模型擬極大似然估計的弱相合性Presents a simple method of compensating friction against the character of the nonlinear model of a brushless dc motor system which transfers the original system model to a simple linear model using the method of input - output linearization, and estimates the coulomb friction in the system in real - time using a nonlinear friction estimator, and then compensate the friction in the system using a friction feedforward, and concludes from simulation results that this method can effectively eliminate the influence of friction in brushless dc motor systems
針對無刷直流電動機系統的非線性數學模型特點,提出了一種簡單的摩擦補償方法.該方法首先利用輸入輸出線性化方法將原系統模型轉化為一種簡單的線性模型,然後給出一種非線性摩擦估計器實時估計系統中的庫侖摩擦值,最後利用摩擦前饋補償方法對其進行補償.模擬結果表明該方法可以有效地抑制無刷直流電動機系統中的摩擦影響The following conclusions have been drawn from this research program, : ( 1 ) the model following architecture allows for straightforward implementation of requirements of handling quality standard, and it can be utilized for helicopter handling quality design. ( 2 ) the adaptive model - inverse control theory can provide the referenced helicopter with consistent handling quality throughout its operating envelope, with requiring only an approximate linear model at a single operating point. ( 3 ) the technology of adaptive neural network model - inverse control can reduce costs and period associated with pcs development
通過該課題的研究,得到以下結論: ( 1 )參考模型跟蹤結構能夠直接實現飛行品質規范要求,可以用於直升機飛行品質設計; ( 2 )自適應模型逆控制方法只需一個基準狀態下的近似線性模型,卻可在整個使用包線內提供協調一致的飛行品質; ( 3 )自適應神經網路模型逆控制技術可節約成本,縮短飛控系統研製周期; ( 4 )在某些部件部分意外失效或戰損情況下,自適應神經網路具有實現控制的在線快速重新配置、保持飛行品質的潛力; ( 5 )軌跡跟蹤控制器可以用於任務科目基元模擬及飛行品質評估。The comparison of the fem result of offshore cofferdams built with solidified soil in geoforms with the field measured results and its subsequent analysis showed that an elastic non - linear model can very well simulate the characteristics of stressed deformation of soil under the cofferdams and the finite element method ( fem ) can be used to analyze and calculate the tendency of deformation and stress development of soil mass under the cofferdams
摘要通過對模袋固化土海上圍埝有限元計算結果與現場實測結果的對比分析,說明用彈性非線性模型能夠較好地模擬圍埝下土體的受力變形特性,可以採用有限元分析的方法計算圍埝下土體的變形和應力發展趨勢。Abstract : an integrating model combining the artificial neura l network with the linear arx model and its identification method is proposed. based on that model, a multivariable nonlinear predictive control algorithm is persented. the algorithm employs the result of the linear predictive control, obtains explicit nonlinear optimal controlling inputs and doesn " t need on - line numerical optimizing which is necessary in general nonlinear model ( including ann model ) predictive control. that greatly decreases on - line computing consumption, strengthens the reliability of the algorithm and the stability of the system. the simulation results in cstr are shown
文摘:提出了一種由人工神經網路與線性arx模型相結合的集成模型,給出了其辨識訓練方法.以此模型為基礎,提出了一種多變量非線性預測控制演算法.它利用線性預測控制的成果,得到一解析式的非線性優化控制輸入,避免了通常非線性模型(包括普通人工神經網路模型)預測控制所需的在線數值尋優計算,節約了在線計算時間,提高了演算法的可靠性和穩定性.進一步給出了在cstr反應器上的模擬實驗結果Using the nonlinear model theory of layered media, the authors developed a method for forward simulation of peg - leg multiple wave
筆者利用層狀介質非線性模型理論,發展了一種正演模擬微屈多次波的方法。Simulation study on switched reluctance motor based on linear model
基於線性模型的開關磁阻電動機模擬研究Then we can control the more precision mathematical model for the valve controlled asymmetrical cylinder system based on simulink with the self - adaptive controller
根據簡化模型設計自適應控制器,用設計的自適應控制器控制基於simulink模擬平臺建立的較為精確的非線性模型。分享友人