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Positivity Preservation Properties of the Rantzer Multipliers

机译:Rantzer乘数的正守恒性

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摘要

The Rantzer multipliers are known to preserve the positivity of certain aberrations of memoryless monotone positive nonlinearities. We show that if the nonlinearity input is constrained to be positive valued for all time instants, these multipliers are positivity preserving for a larger class of nonlinearities. As a result, it follows that the Rantzer multipliers are useful in reducing the conservatism inherent in the multiplier theoretic stability analysis of feedback systems featuring a larger class of nonlinearities than the one these multipliers were originally intended for, so long as the nonlinearity input is positive-valued for all time instants.
机译:已知Rantzer乘法器可以保持无记忆单调正非线性的某些像差的正性。我们表明,如果非线性输入在所有时刻都被约束为正值,那么这些乘数就可以为更大的非线性类别保持正性。结果,可以得出结论,只要非线性输入为正,Rantzer乘法器可用于减少具有比一阶乘法器预期的非线性大的反馈系统的乘法器理论稳定性分析中固有的保守性。 -在所有时间点均值。

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