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positive realness
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  正实性
     Stability and Strict Positive Realness of Convex Polytopes of Interval Polynomials
     多项式凸多面体的稳定性及严格正实性
短句来源
     A sufficient condition of robust extended strictly positive realness (ESPR)ispresentedfortheuncertain systems, and it also can be utilized to estimate the perturbation bound such that ESPR holds.
     给出了一个系统具有鲁棒扩展严格正实性 (ESPR)的充分条件 ,利用该条件可估计出使系统保持 ESPR的最大参数摄动范围。
短句来源
     The problem of robust positive realness for continuous singular systems with linear fractional uncertainties is studied.
     研究了具有线性分式形不确定性连续广义系统的鲁棒正实性问题 .
短句来源
     Robust Strict Positive Realness of Continuous and Discrete Systems
     连续和离散系统的鲁棒严格正实性
短句来源
     The paper studies the problem of Robust stabilization of high gain feedback system as that of the realization of Robust positive realness.
     本文将高增益反馈系统的鲁棒稳定化问题作为鲁棒正实性实现问题进行研究.
短句来源
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  正实
     Extreme Point Results for Robust Strict Positive Realness Stsbilization
     鲁棒严格正实镇定的顶点结果
短句来源
     In Ref. [1] it is shown that in the hyperstable adaptive recursive filter (HARF) strictly positive realness (SPR) of a transfer function must be satisfied to guarantee convergence for all possible input sequence.
     文献[1]指出,为了保证超稳定自适应递归滤波器(HARF)的收敛性,传输函数必须满足严格正实(SPR)条件。
短句来源
     Vextex Results of Strictly Positive Realness of Interval Systems
     区间系统严格正实的顶点结果
短句来源
     Robust Strict Positive Realness Synthesis for Uncertainty Systems with LMI Approach
     不确定系统的鲁棒严格正实设计的LMI方法
短句来源
     Stability and Strict Positive Realness of Convex Polytopes of Interval Polynomials
     多项式凸多面体的稳定性及严格正实
短句来源
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  “positive realness”译为未确定词的双语例句
     EXTREME POINT RESULTS FOR STRICT POSITIVE REALNESS OF TRANSFER FUNCTION FAMILIES
     EXTREME POINT RESULTS FOR STRICT POSITIVE REALNESS OF TRANSFER FUNCTION FAMILIES
短句来源
     PI adaptive law in simple adaptive control(SAC)can overcome these drawbacks, but it can be only applied to the plants with almost strict positive realness(ASPR)and the computation of adaptive law is really complicated.
     尽管采用简单自适应控制(SAC)的PI适应律能克服上述缺点,但被控对象必须满足几乎严正实条件,且控制律求解繁杂。
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  positive realness
First, a new linear matrix inequality (LMI) characterization of extended strict positive realness is presented for linear continuous-time systems.
      
We also discuss the robust strict positive realness of the shifted interval plant-controller family, and improve some previous results in the literature.
      
This paper deals with the strict positive realness of a class of composite interval control systems, and establishes a strong Kharitonov-like extreme point criterion.
      
Solutions of the partial stochastic realization problem are then obtained by checking the positive realness constraint for the interpolating solutions of the corresponding partial realization problem.
      
The solutions of the partial stochastic realization problem have to satisfy the same interpolation conditions and have to fulfill a positive realness constraint.
      
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In Ref. [1] it is shown that in the hyperstable adaptive recursive filter (HARF) strictly positive realness (SPR) of a transfer function must be satisfied to guarantee convergence for all possible input sequence. It is very difficult to satisfy the SPR condition in many applications. Modification or even elimination of the condition certainly will result in the widespread use of the adaptive recursive filters In this paper it is proved that the SPR requirement for HARF may be completely eliminated without...

In Ref. [1] it is shown that in the hyperstable adaptive recursive filter (HARF) strictly positive realness (SPR) of a transfer function must be satisfied to guarantee convergence for all possible input sequence. It is very difficult to satisfy the SPR condition in many applications. Modification or even elimination of the condition certainly will result in the widespread use of the adaptive recursive filters In this paper it is proved that the SPR requirement for HARF may be completely eliminated without influence of its convergence properties provided that the sum of the squares of an input sequence at erery time instant is lower bounded. The computer simulation results are given finally.

文献[1]指出,为了保证超稳定自适应递归滤波器(HARF)的收敛性,传输函数必须满足严格正实(SPR)条件。在大量的实时应用中,要完全满足这种SPR条件是相当困难的。若能设法减弱、甚至消去这种苛求,势必会扩大自适应递归滤波器的使用范围。本文证明了,如果输入序列的平方和在任何时刻都有下界,HARF中可以完全消去这种SPR条件,并不影响其收敛性。最后,本文还给出了一些计算机模拟结果。

The paper studies the problem of Robust stabilization of high gain feedback system as that of the realization of Robust positive realness.The conditions of its existence for realizing Robust positive realness are derived,and the allowable range of plant performance changes is illustracted.And,through example,RPR control is compared with LQ optimal control,which shows the stable range of the former is wider than that of the latter.

本文将高增益反馈系统的鲁棒稳定化问题作为鲁棒正实性实现问题进行研究.导出了实现鲁棒正实性的补偿器存在的条件,阐明了对象特性变动的容许范围。并通过示例对 RPR 控制及 LQ最优控制进行了比较,显示了 RPR 控制的稳定域,要比 LQ 最优控制宽广.

This paper discusses robust stability of polynomials and strictly positive realness invariance of rational functions in coefficient space in the sense of discrete time.We prove that,for certain superrcctanglc in coefficient space,the stability of all vertex polynomials implies the stability of the whole family,Similar results have been obtained for the strict positive realness of rational functions.

本文在多项式的系数空间中讨论离散时间意义下多项式的鲁棒稳定性和有理函数的严格正实不变性,证明了对于系数空间中的某种超矩形,其顶点多项式的稳定性就保证了全族无穷多个多项式的稳定性;对于有理函数的严格正实性,本文也得到了类似的结论。

 
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