Inspec keywords: state-space methods; multivariable control systems; linear programming; eigenvalues and eigenfunctions; root loci; power system stability

Other keywords: power system stabiliser gain; state-space representations; sequential linear programming; multivariable root locus; eigenvalue; PSS gain parameter space; LP based multivariable root locus; Euclidean distance

Subjects: Control system analysis and synthesis methods; Multivariable control systems; Optimisation techniques; Control of electric power systems; Optimisation techniques; Power system control; Stability in control theory