Sundareshan, M and Thathachar, M (1974) L2-stability of nonstationary feedback systems: Frequency-domain criteria. In: IEEE Transactions on Automatic Control, 19 (3). 217 -224.
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A frequency-domain positivity condition is derived for linear time-varying operators in2and is used to develop2stability criteria for linear and nonlinear feedback systems. These criteria permit the use of a very general class of operators in2with nonstationary kernels, as multipliers. More specific results are obtained by using a first-order differential operator with a time-varying coefficient as multiplier. Finally, by employing periodic multipliers, improved stability criteria are derived for the nonlinear damped Mathieu equation with a forcing function.
|Item Type:||Journal Article|
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|Department/Centre:||Division of Electrical Sciences > Electrical Communication Engineering|
|Date Deposited:||29 Jan 2010 06:45|
|Last Modified:||19 Sep 2010 05:46|
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