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Convexification of Optimal Decentralized Control Without a Stabilizing Controller
Stabilizing Controller Decentralized Control
2015/6/19
The problem of finding an optimal decentralized controller is considered, where both the plant and the controllers under consideration are rational. It has been shown that a condition called quadratic...
A Space-Time Diffusion Scheme for Peer-to-Peer Least-Squares Estimation
Least-Squares Estimation Diffusion Scheme
2015/6/19
We consider a sensor network where each sensor takes multiple measurements of some unknown parameters, corrupted by independent Gaussian noises. The number of measurements at each node can be nite or ...
An Approximate Dynamic Programming Approach to Decentralized Control of Stochastic Systems
Decentralized Control Dynamic Programming
2015/6/19
we consider the problem of computing decentralized control policies for stochastic systems with finite state and action spaces. Synthesis of optimal decentralized policies for such problems is known t...
Distributed Algorithms for Maximum Lifetime Routing in Wireless Sensor Networks
Wireless Sensor Networks Maximum Lifetime
2015/6/19
A sensor network of nodes with wireless transceiver capabilities and limited energy is considered. We propose distributed algorithms to compute an optimal routing scheme that maximizes the time at whi...
An Approximation Algorithm for the Discrete Team Decision Problem
Decision Problem Approximation Algorithm
2015/6/19
In this paper we study a discrete version of the classical team decision problem. It has been shown previously that the general discrete team decision problem is NP-hard. Here we present an efficient ...
A Characterization of Convex Problems in Decentralized Control
Decentralized Control Problems
2015/6/19
We consider the problem of constructing optimal decentralized controllers. We formulate this problem as one of minimizing the closed-loop norm of a feedback system subject to constraints on the contro...
Affine Controller Parameterization for Decentralized Control over Banach Spaces
Banach Spaces Decentralized Control
2015/6/19
We cast the problem of optimal decentralized control as one of minimizing a closed-loop norm subject to a subspace constraint on the controller. In this note we consider continuous linear operators on...
Reduction of Decentralized Control Problems to Tractable Representations
Tractable Representations Control Problems
2015/6/19
For decentralized control problems with quadratically invariant information constraints, the optimal controller may be found efficiently. In this paper, we show that there are systems which are not qu...
A Graph-Theoretic Approach to Distributed Control over Networks
Networks Distributed Control
2015/6/19
We consider a network of control systems connected over a graph. Considering the graph structure as constraints on the set of permissible controllers, we show that such systems are simply constrained ...
We consider a class of decentralized team decision problems with non classical information structure and discrete state spaces. In general, decentralized team decision problems are NP-complete. In thi...
An Energy-Optimal Algorithm for Neighbor Discovery in Wireless Sensor Networks
Wireless Sensor Networks Neighbor Discovery
2015/6/19
We consider sensor networks in which individual nodes with on-board sensing and low-power transmitters and receivers establish connections with neighboring nodes. The overall objective is to enable en...
Time-Delayed Decentralized H-Infinity Controller Design for Civil Structures: a Homotopy Method Through Linear Matrix Inequalities
Civil Structures Controller Design
2015/6/19
Traditional structural feedback control systems are centralized systems, whose applications to large scale structures encounter a number of practical difficulties in terms of system reliability, cost,...
Analysis of Polynomial Systems with Time Delays via the Sum of Squares Decomposition
Time Delays via Polynomial Systems
2015/6/19
We present a methodology for analyzing robust independent-of-delay and delay-dependent stability of equilibria of systems described by nonlinear Delay Differential Equations by algorithmically constru...
While peer-to-peer consensus algorithms have enviable robustness and locality for distributed estimation and computation problems, they have poor scaling behavior with network diameter. We show how de...
Structured Semidefinite Programs for the Control of Symmetric Systems
Symmetric Systems Symmetric Systems
2015/6/19
In this paper we show how the symmetry present in many linear systems can be exploited to significantly reduce the computational effort required for controller synthesis. This approach may be applied ...