Ole A. Solheim
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View article: Robustness Analysis of a Class of Decentralized Control Systems
Robustness Analysis of a Class of Decentralized Control Systems Open
The paper presents a method for analysing the robustness properties of a class of decentralized control systems. Perturbations both in local and in interconnection parameters are dealt with. The method is based on the use of singular value…
View article: Disturbance Error Reduction in Multivariable Optimal Control Systems
Disturbance Error Reduction in Multivariable Optimal Control Systems Open
The paper deals with the design of optimal multivariable controllers, using a modified LQR approach. All controllers discussed contain proportional feedback and, in addition, there may be feedforward, integral action or state estimation.
View article: Robustness Analysis of a Class of Optimal Control Systems
Robustness Analysis of a Class of Optimal Control Systems Open
This paper deals with a class of optimal control systems, where the controller. in addition to minimizing a quadratic criterion, also shall give the closed-loop system prescribed eigenvalues. Three methods for analysing the robustness of s…
View article: On the Use of a Block Analog of the Gerschgorin Circle-Theorem in the Design of Decentralized Control of a Class of Large-Scale Systems
On the Use of a Block Analog of the Gerschgorin Circle-Theorem in the Design of Decentralized Control of a Class of Large-Scale Systems Open
The paper deals with the design of decentralized control of interconnected dynamic systems. It is assumed that each subsystem has its own control input and that the interconnections are through the states of the other subsystems. The purpo…
View article: On the Use of Low-Order Riccati-Equations in the Design of a Class of Feedback Controllers and State Estimators
On the Use of Low-Order Riccati-Equations in the Design of a Class of Feedback Controllers and State Estimators Open
This paper describes a method for designing optimal feedback controllers with stability requirements using low-order Riccati equations. For originally stable systems the Riccati equation will be of first or second order, depending upon whe…