A correlation equation is established between open-loop test data and the desired closed-loop system characteristics permitting control system synthesis to be done on the basis of a numerical approach using experimental data. The method is applicable when the system is linear-time-invariant and open-loop stable. The major merits of the algorithm are two-fold: 1) Arbitrary placement of the closed-loop system equation is possible, and 2) explicit knowledge of an open-loop system model is not needed for the controller synthesis.
Issue Section:
Technical Papers
1.
Chan
J. T.
1989
, “Adaptive Multi-Channel Signal Tracking Controller for Minimum or Non-Minimum Phase Systems
,” Int. J. Control
, Vol. 50
, pp. 65
–73
.2.
Chen, C. T., 1984, Linear System Theory and Design.
3.
Chotai, A., Owens, D. H., et al. 1984, “Design of Smith Control Schemes for Time-Delay Systems Based on Plant Step Data,” Int. J. Control, Vol. 40, No. 2.
4.
Owens
D. H.
Chotai
A.
1984
, “Robust Sampled Regulators for Stable Systems from Plant Step
,” Data Automatica
, Vol. 20
, pp. 465
–469
.5.
Patel, R. V., 1982, Multivariable System Theory and Design, Pergamon Press.
6.
Rogers, E., and Owens, D. H., 1990, “Simulation-Based Stability Tests for Differential Unit Memory Linear Multipass Processes,” Int. J. Control, Vol. 51.
7.
Rohrs, C. E., 1982, “Adaptive Control in the Presence of Unmodeled Dynamics,” Ph.D. Dissertation, MIT.
8.
Zames
G.
1966
, “On the Input-Output Stability of Time-Varying Nonlinear Feedback Systems—Part I: Conditions Derived Using Concepts of Loop Gains, Conicity and Positivity
,” IEEE Trans. Auto. Contr.
, Vol. AC-11
, pp. 465
–478
.
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