Harmonic Control Model Based on Hadamard Product

In terms of matrix Hadamard product a new control model is proposed for regulating connection coefficients of the state variables of the systems.It combines the traditional feedback compensation and the direct regulations for the connections of system states.A new control law to stabilize the systems is obtained via bilinear matrix inequalities involving Hadamard product.This new control model is of significant application in many fields,especially in the emergency control such as isolation and obstruction control.