The problem of robust H∞ dynamic output feedback control design with pole placement constraints is studied for a linear parameter-varying model of a floating wind turbine. A nonlinear model is obtained and linearized using the FAST software developed for wind turbines. The main contributions of this paper are threefold. Firstly, a family of linear models are represented based on an affine param...

Numerical algorithms for signal processing and control are quite often constructed by intuition. When the system to be designed contains algebraic or other invariants, then these constraints can be exploited to find appropriate transformations. The transformations in system theory are usually Lie groups. One has to find Lie groups which are consistent with the invariants. We show how this point...

We present various comments on a question about systems over rings posed in a recent note by Sharma, proving that a ring R is pole-assignable if and only if, for every reachable system (F,G), G contains a rank-one summand of the state space. We also provide a generalization to deal with dynamic feedback.

The problem of distributed controller synthesis for formation control of multi-agent systems is considered. The agents (single integrators) communicate over a communication graph and a decentralized linear feedback structure is assumed. One of the agents is designated as the leader. If the communication graph contains a directed spanning tree with the leader node as the root, then it is possibl...

In this paper the dynamic performance of an Eletric Power System (EPS) under several levels penetration Utility-scale Solar Photovoltaic generation is discussed. Furthermore, control strategies are proposed, based on optimization indexes and pole placement control, which can mitigate impact UFV damping system electromechanical oscillations.

Abstract We consider a version of the pole placement problem for tempered one-sided linear discrete-time time-varying systems. prove sufficient condition assignability nonuniform dichotomy spectrum by feedback. The main result is that assignable if system completely controllable and certain lower asymptotic bound controllability Gramian holds.

The paper is focused on an application of self – tuning decoupling controllers for real – time control of a multivariable coupled drives apparatus. The controlled apparatus is a multivariable nonlinear system. Two control algorithms based on polynomial theory and pole – placement are proposed. Decoupling compensators are used to suppress interactions between control loops. The controllers integ...

By an indirect control approach, an adaptive pole-placement control problem is considered for a scalar discrete-time linear plant assuming the knowledge of an upper bound of the plant order. A class of models that can be regarded IO be input-output equivalent to the plant is first constructed based on the parrrneter estimate generated by a least-squares-type identification scheme. A minimizatio...

Bacterial division site selection is regulated by members of the Min-protein system. In Escherichia coli MinC, MinD, and MinE oscillate from pole to pole of the cell with a periodicity of approximately 40 sec. The region of lowest concentration of the Z-Ring inhibitor, MinC occurs at the center of the cell, confining the placement of FtsZ and thus defining the cell division site. In addition to...

This paper presents an algorithm for solving static output feedback pole placement problems of the following rather general form: given n subsets of the complex plane, find a static output feedback that places in each of these subsets a pole of the closed-loop system. The algorithm presented is iterative in nature and is based on alternating projection ideas. Each iteration of the algorithm inv...