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1篇 您的检索式：作者名="I.M.MITHUN"

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		题名	作者	年代	出处	被引量
	1	Optimal finite-dimensional spectral densities for the identification of continuous-time MIMO systems显示文摘This paper presents a method for designing in puts to identify linear con tinuous-time multiple-input multiple-output (MIMO) systems. The goal here is to design a T-optimal band-limited spectrum satisfying certain input/output power constraints. The input power spectral density matrix is parametrized as the productφu(jω)= 1/2H(jω)H^H(jω),where H(jω) is a matrix polynomial. This parametrization transforms the T-optimal cost function and the constraints into a quadratically constrained quadratic program (QCQP). The QCQP turns out to be a non-convex semidefinite program with a rank one constraint. A convex relaxation of the problem is first solved. A rank one solution is constructed from the solution to the relaxed problem. This relaxation admits no gap between its solution and the original non-convex QCQP problem. The constructed rank one solution leads to a spectrum that is optimal. The proposed input design methodology is experimentally validated on a cantilever beam bonded with piezoelectric plates for sensing and actuation. Subspace identification algorithm is used to estimate the system from the input-output data.	I.M.MITHUN Shravan MOHAN Bharath BHIKKAJI	2019	Control Theory and Technology2019，17，3：	1

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