IEEE Transactions on Automatic Control, Vol.50, No.8, 1221-1223, 2005
An improved lower matrix bound of the solution of the unified coupled Riccati equation
A new lower matrix bound of the solution for the unified coupled algebraic Riccati equation (UCARE) is proposed. This bound improves the drawback of the results presented in a previous paper.
Keywords:continuous coupled algebraic Riccati equation (CCARE);discrete coupled algebraic Riccati equation (DCARE);lower matrix bound;unified coupled algebraic Riccati equation (UCARE)