scholarly journals Erratum: “A Higher-Order Method for Dynamic Optimization of a Class of Linear Systems” [ASME JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL, 1996, 118(4), pp. 786–791]

1997 ◽  
Vol 119 (1) ◽  
pp. 68-68
Author(s):  
S. K. Agrawal ◽  
T. Veeraklaew
Keyword(s):  
Linear Systems ◽  
Dynamic Optimization ◽  
Dynamic Systems ◽  
Higher Order ◽  
Order Method ◽  
Higher Order Method ◽  
Asme Journal ◽  
And Control ◽  
Measurement And Control

Extension and Simplification of Salukvadze’s Solution to the Deterministic Nonhomogeneous LQR Problem

1998 ◽  
Vol 123 (1) ◽  
pp. 146-149
Author(s):  
R. D. Hampton ◽  
C. R. Knospe ◽  
M. A. Townsend
Keyword(s):  
Dynamic Systems ◽  
Variational Calculus ◽  
Linear Quadratic Regulator ◽  
Linear Quadratic ◽  
Matrix Methods ◽  
Lqr Problem ◽  
Asme Journal ◽  
Analytic Design ◽  
And Control ◽  
Measurement And Control

In a previous paper (Hampton, R. D., et al., 1996, “A Practical Solution to the Deterministic Nonhomogeneous LQR Problem,” ASME Journal of Dynamic Systems, Measurement, and Control, Vol. 118, pp. 354–360.) the authors presented a solution to the nonhomogeneous linear-quadratic-regulator (LQR) problem, for the case of known, deterministic, persistent (“non-dwindling”) disturbances. The authors used variational calculus and state-transition-matrix methods to produce an optimal matric solution, for bounded determinist forcing terms. A restricted version of this problem (treating dwindling disturbances) was evidently first investigated by Salukvadze, M. E., 1962, “Analytic Design of Regulators (Constant Disturbance),” Automation and Remote Control, Vol. 22, No. 10, Mar., pp. 1147–1155, using a differential-equations approach. The present paper uses Salukvadze’s approach to extend his work to the case of non-dwindling disturbances, with cross-weightings between state- and control vectors, and pursues the solution to the same form reported previously in Hampton et al.

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