Reduced order feedback control equations for linear time and frequency domain analysis
Harold P. Frisch, Goddard Space Flight Center, United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch
National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1981 - Mathematics - 22 pages
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algorithm computes application array block diagonal form characteristic polynomial complex conjugate computational problems defective and derogatory define the blocking defined by equation derogatory matrices diagonal blocks diagonal matrix eigenanalysis EISPACK subroutine elements engineering insight engineering judgment equation 29 equations that lead error criterion feedback control equations feedback control system floating point frequency domain analysis full set Hessenberg form HQR2 ill-conditioned matrix Jordan canonical form l2.5 degrees large-order system linearly independent matrix inversion matrix to block matrix which reduces method NASA nearly parallel nonsingular similarity transformation nonsymmetric coefficient matrix obtain reduced order Order Feedback Control partial fraction expansion physically interpreted polynomial ratios procedure quasi-upper triangular matrix QUKBLK real numbers real quasi-upper triangular Reduced Order Feedback Reference 2l Reference l9 similarity transformation matrix singular values step subroutine EXCHNG system eigenvalues system modes associated system state variables transfer function expressed truncatable upper triangular matrix Vandermonde matrix vector well-conditioned with respect Z-transform