Alfredo Desages Publications

Anexo I - Publications in Journals:

[1] Rotstein H., Romagnoli, J., Doñate P. D., Desages A. C., "A new approach to linear model reduction in frequency domain".
Applied Modelling and Simulation of Technological Systems. North Holland Publishing Company. Ed. P. Borne y S. Tzafestas, pp.
183-190, (1987).

[2] Agamennoni O., Desages, A. C., Romagnoli J. "Adaptive control scheme for SISO processes with delays". Ind. Eng. Chem.
Res., vol. 26, pp. 774 - 781, (1987).

[3] Agamennoni, O., Desages, A. C., Romagnoli J. "Robust controller design methodology for multivariable chemical processes".
Chemical Engineering Science, vol. 43, no. 11, pp. 2937-2950, (1988).

[4] Romagnoli J., Karim O., Agamennoni O., Desages A. C. "Controller design for model-plant parameter mismatch". IEE
Proceedings, Part D: Control Theory and Applications, vol. 135, no. 2, pp. 157-164, (1988).

[5] Desages, A. C., Bortolotto G., Romagnoli J. "On the statistical treatment of material balances". Latin American Applied
Research, vol. 18, no. 1, pp. 31-42, (1988).

[6] Rotstein, H. P., Desages A. C., Romagnoli J. "Calculation of highly structured stability margins". International Journal of
Control, vol. 49, no. 3, pp. 1079-1092, (1989).

[7] Rotstein, H. P., Desages, A. C., Romagnoli, J. A. "Robustness considerations in reduced order models". IEEE Transactions
on Automatic Control, vol. 34, no. 4, pp. 457-459, (1989).

[8] Colantonio, M. C., Moiola, J., Desages, A. C., Romagnoli, J. "Hopf bifurcation in a CSTR using characteristic loci". Chemical
Engineering Science, vol. 44, no. 3, pp. 595-602, (1989).

[9] Agamennoni, O., Rotstein, H., Desages, A. C., Romagnoli J. "Robust controller design methodology for multivariable
processes with structured perturbations". Chemical Engineering Science, Vol. 44, No. 11, pp. 2597-2605, (1989).

[10] Bortolotto, G., Desages, A. "Multivariable adaptive optimal control of a chemical reactor with constrained inputs". Latin
American Applied Research, vol. 19, pp. 171-177, (1989).

[11] Bortolotto, G., Desages, A. C., Romagnoli J. "Automatic tuning of PID controllers through response optimization over a
finite time horizon". Chemical Engineering Communications. vol. 86, pp. 17-29, (1989).

[12] Moiola, J., Colantonio, M. C., Desages, A. C., Romagnoli J. "Bifurcations and degeneracies in a CSTR with reactions A® B®
C: Frequency domain analysis", Chemical Engineering Science. vol 45, no. 1, pp. 297-305, (1990).

[13] Rotstein, H., Bandoni, A., Desages, A. C., Romagnoli J. "Mathematical programming with linear uncertain constraints-
Application to robust control". Computers & Chemical Engineering, vol. 14, no. 4/5, pp. 373-379, (1990).

[14] Bandoni A., Rotstein H., Desages, A. C., Romagnoli J. "Necessary and sufficient conditions for robust stabilization with
fixed order conditions". C-TAT, Control Theory and Advanced Technology, vol. 6, no. 1, pp. 75-91, (1990).

[15] Moiola J., Desages A., Romagnoli J. "Bifurcations in chemical reactors via feedback system theory". Chemical Engineering
Science. vol. 45, no. 7, pp. 1863-1874, (1990).

[16] Moiola, J., Castro, L., Cendra, H., Desages, A. C. "Degenerate bifurcations and catastrophe sets via frequency analysis".
Dynamics and Stability of Systems, vol. 5, no. 3, pp. 163-181, (1990).

[17] Colantonio, M. C, Padín, M., Desages, A. C., Romagnoli, J. A. "Application of higher order bifurcation formulas". IEEE
Transactions on Automatic Control, vol. 36, no. 6, pp. 746-749, (1991).

[18] Moiola, J. L., Desages, A. C., Romagnoli, J. "Computing bifurcation points via characteristic gain loci". IEEE Transactions on
Automatic Control, vol. 36, no. 3, pp. 358-362, (1991).

[19] Desages, A. C., Castro, L., Cendra, H. "Distance of a complex coefficient stable polynomial from the boundary of the
stability set". Multidimensional Systems and Signal Processing, vol. 2, pp. 189-210, (1991).

[20] Moiola, J., Desages, A. C., Romagnoli, J. "Degenerate Hopf bifurcations via feedback system theory: Higher-order harmonic
balance". Chemical Engineering Science, vol. 46, no. 5/6, pp. 1475-1490, (1991).

[21] Rotstein, H., Desages, A. C., Figueroa, J., Romagnoli, J. "Improved robustness measures for stability margins in time
domain". Latin American Applied Research, vol. 21, no. 1, pp. 39-45, (1991).

[22] Moiola, J., Desages, A. C., Romagnoli, J. "Catastrophes, bifurcations and degeneracies via feedbach system theory". Latin
American Applied Research, vol. 21, pp. 77-92, (1991).

[23] Figueroa, J., Agamennoni, O., Desages, A. C., Romagnoli, J. "Robust multivariable controller design methodology: Stability
and performance requirements". Chemical Engineering Science, vol. 46, no. 5/6, pp. 1299-1310, (1991).

[24] Figueroa, J., Desages, A. C., Romagnoli, J., Palazoglu, A. "Highly structured stability margins for process control systems:
A case study of decoupling control in distillation". Computers & Chemical Engineering, vol. 15, no. 7, pp. 493-502, (1991).

[25] Rotstein, H., Sánchez Peña, R., Bandoni, A., Desages, A. C., Romagnoli, J. "Robust characteristic polynomial assignment".
Automatica, vol. 27, no. 4, pp. 711-715, (1991).

[26] Bortolotto, G., Desages A. C., Romagnoli J. "Optimal tuning of discretes PID controllers using Lyapunov's direct method:
Robustness analysis". Chemical Engineering Communications, vol. 109, pp. 1-18, (1991).

[27] Robledo, C., Desages, A. C., Cendra, H. "On the distance to the instability border of Hurwitz polynomials with coefficients
that depend affinely on m parameters and a particular convexity property of Hn". Multidimensional Systems and Signal
Processing, vol. 3, pp. 45-61, (1992).

[28] Agamennoni, O., Paolini, E., Desages, A. C. "On robust stability analysis of a control system using Laguerre series".
Automatica, vol. 28, pp. 815-818; (1992).

[29] Paolini, E., Romagnoli J., Desages A., Palazoglu A. "Approximate models for control of nonlinear systems". Chemical
Engineering Science, vol. 47, no. 5, pp. 1161-1171, (1992).

[30] Figueroa, J., Desages, A. C., Romagnoli, J., Palazoglu, A. "Controller order reduction for process control systems".
Computers & Chemical Engineering, vol. 16, no. 6, pp. 593-603, (1992).

[31] Agamennoni, O., Desages A., Romagnoli J. "A multivariable delay compensator scheme". Chemical Engineering Science, vol.
47, no. 5, pp. 1173-1185, (1992).

[32] Bortolotto, G., Romagnoli, J., Desages, A. C. "Robust performance determination in the presence of plant uncertainties - A
polynomial approach". Computers & Chemical Engineering, vol. 16, pp. S173-S180, (1992).

[33] Figueroa, J. L., Desages A. C., Palazoglu A., Romagnoli J. A., "Trade-offs in robust controller design". International Journal
of Control, vol. 58, no. 6, pp 1265-1278. (1993).

[34] Figueroa, J. L., Rotstein H., Desages A. C., Romagnoli J., "An algorithm for controller reduction with performance and
stability requirements". C-TAT Control Theory and Advanced Technology, vol. 9, no. 3, pp. 671-689, (1993).

[35] Chiacchiarini, H. G., Moiola, J. L., Desages, A. C. "On the complex dynamic behaviour in nonlinear systems with delay".
Chaos, Solitons and Fractals, vol. 6, pp. 83-87, (1995).

[36] Chiacchiarini, H., Desages, A. C., Romagnoli, J., Palazoglu, A. "Variable structure control with a second-order sliding
condition: Application to a steam generator". Automatica, vol. 31, no. 8, pp. 1157-1168, (1995).

[37] Colantonio, M. C., Desages, A. C., Romagnoli, J., Palazoglu, A. "Nonlinear control of a CSTR: disturbance rejection using
sliding mode control". Industrial and Engineering Chemistry Research, vol. 34, no. 7, pp. 2383-2392, (1995).

[38] Jordán, M.A., Desages A. C., Padín, Z. "Identification of stable plants using discrete-time Laguerre series with robustness
margins". Latin American Applied Research, vol. 25/S, pp. 11-16 (1995).

[39] Agamennoni, O., Figueroa, J. L., Desages, A. C., Palazoglu, A., Romagnoli, J. "A loop- shaping technique for feedback
control design". Computers & Chemical Engineering, vol. 20, no. 1, pp. 27-37, (1996).

[40] Desages, A. C., Paolini, E., Bortolotto, G., "On the stability of the convex combination of two Hurwitz polynomials". Latin
American Applied Research, vol. 26, pp. 55-62, (1996).

[41] Desages, A. C., Colantonio, M. C., Chen, G. "Matching conditions for stability analysis of nonlinear feedback control
systems". Mathematical and Computer Modelling, vol. 23, no. 10, pp. 1-10, (1996).

[42] Figueroa, J., Desages A. C., Romagnoli J. "Steady-state back-off calculation: Use of piecewise lineal approximation".
Computers & Chemical Engineering, vol. 20, Suppl., pp. S527-S532, (1996).

[43] Sentoni, G., Agamennoni, O., Desages, A. C., Rogmanoli J. "Approximate models for nonlinear process control". AIChE
Journal, vol. 42, no. 8, pp. 2240-2250, (1996).

[44] Moiola, J. L., Chiacchiarini, H., Desages, A. C. "Bifurcations and Hopf degeneracies in nonlinear feedback systems with time
delay". International Journal of Bifurcation and Chaos, vol. 6, no.4, pp.661-672, (1996).

[45] Calandrini, G., Castro, L., Paolini, E., Desages, A. C. "Ritt's algorithm, Grobner basis and discretization". Mathematical and
Computer Modelling, vol. 26, no. 5, pp 67-77, (1997).

[46] Chen, G., Desages A. C., Julián P. "Trajectory tracking and robust stability for a class of time-delayed flexible-joint robotic
manipulators". International Journal of Control, vol. 68, no. 2, pp. 259-276, (1997).

[47] Julián, P. Jordán, M., Desages, A. C. "Canonical piecewise linear approximations of smooth functions". IEEE Transactions on
Circuits and Systems - Part 1, vol. 45, no. 5, pp. 567-571, (1998).

[48] Figueroa, J. L., Desages A. C. "Use of piecewise linear approximations for steady-state back - off analysis". Optimal Control
Applications & Methods, vol. 19, no. 2, pp. 93-110, (1998).

[49] Julián, P., Desages, A. C., Agamennoni, O. "High level canonical piecewise linear representation using a simplicial partition".
IEEE Transactions on Circuits and Systems – Part I, vol. 46, no. 4, pp. 463-480, (1999).

[50] Julián, P., Guivant, J, Desages, A.C. "A Parametrization of piecewise linear Lyapunov functions via linear programming".
International Journal of Control, vol. 72, no. 7/8, pp. 702-715, (1999).

[51] Cendra, H., Desages, A. C., Torresi, A. "Even and odd sections of the set of Hurwitz polynomials". Latin American Applied
Research, vol. 29, no. (3/4), pp. 251-258, (1999).

[52] Castro, L., Julián, P., Agamennoni, O., Desages, A. C. "Wiener modelling using canonical piecewise linear functions". Latin
American Applied Research, vol. 29, no. (3/4), pp. 265-272, (1999).