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approximation principles中文什么意思

發(fā)音:   用"approximation principles"造句
  • 近似原理
  • approximation:    n. 1.接近;近似。 2.【數(shù)學(xué)】近似值。 3.概算, ...
  • principle:    n. 1.原理,原則。 2.主義;政策;〔常 pl.〕道 ...
  • in principles:    基本上, 原則上
  • principles:    法則; 會計(jì)原則變動累積影響數(shù); 原則, 原理, 道義, 節(jié)操
  • approximation:    n. 1.接近;近似。 2.【數(shù)學(xué)】近似值。 3.概算,略計(jì)。 successive approximations 逐次近似計(jì)算法。 be a very close approximation to 很接近于…。
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例句與用法

  1. After introducing the unified model structure and applying stochastic approximation principle , the general recursive identification algorithm of several on - line identification methods is developped
    在引進(jìn)統(tǒng)一的模型結(jié)構(gòu)以后,利用隨機(jī)逼近原理,提出了各種在線識別算法的一般遞推形式。
  2. This dissertation presented two new methods of robust adaptive track control for a class of mimo strong nonlinear system with external disturbance . one method makes use of taylor approximation principle to linearize the mimo strong nonlinear system at the ideal equilibrium point , meanwhile external disturbance is considered , and then designs two on - line neural network controller respectively , which can dynamically compensate the high order items of taylor series and the control signals at ideal equilibrium point under the drive of state error between linear and nonlinear system . a linear feedback controller obtained by pole assignment and two on - line neural network act on the practical mimo high nonlinear system together , guaranteeing the whole system robust stable and tracking the specified signal ; the other method designs three on - line neural networks for this class of system
    本文對于一類含有外部擾動的多輸入多輸出( mimo )強(qiáng)非線性系統(tǒng),提出了兩種新的魯棒自適應(yīng)跟蹤控制方法,第一種利用了taylor近似的原理,在考慮了外部擾動的情況下,將mimo強(qiáng)非線性系統(tǒng)在理想平衡點(diǎn)處線性化,分別設(shè)計(jì)了兩個在線神經(jīng)網(wǎng)絡(luò)控制器,在線性和非線性系統(tǒng)之間的狀態(tài)誤差驅(qū)動下動態(tài)補(bǔ)償系統(tǒng)的taylor近似高階項(xiàng)及理想平衡點(diǎn)處的控制信號,滿足極點(diǎn)配置方法的線性反饋控制器和兩個在線神經(jīng)網(wǎng)絡(luò)聯(lián)合作用于實(shí)際的被控mimo強(qiáng)非線性系統(tǒng),在保證整個系統(tǒng)魯棒穩(wěn)定性的情況下,能夠跟蹤給定的指令信號;另一種方法是針對這類系統(tǒng)設(shè)計(jì)了3個在線神經(jīng)網(wǎng)絡(luò),分別實(shí)時抵消這類非線性系統(tǒng)中的非線性部分、與控制量耦合的非線性項(xiàng)以及外部擾動,使得受控系統(tǒng)的輸出可以完全跟蹤給定輸入?yún)⒖夹盘枴?

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