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Efficient convex optimization for engineering design
Optimization numerical methods linear programming optimal control robust control convex programming interior-point methods FIR
2015/8/12
Many problems in engineering analysis and design can be cast as convex optimization problems, often nonlinear and nondifferentiable. We give a high-level description of recently developed interior-poi...
Low-authority controller design via convex optimization
Controller design system characteristic values of perturbation theory design sparse actuators and sensors
2015/8/11
In this paper we address the problem of low-authority controller (LAC) design. The premise is that the actuators have limited authority, and hence cannot significantly shift the eigenvalues of the sys...
Optimization-based tuning of low bandwidth control in spatially distributed systems
Low bandwidth controller controller filter control signal robust
2015/8/11
We describe a new method for tuning a certain family of low-bandwidth controllers for linear time-invariant and spatially-invariant (LTSI) plants. We consider LTSI controllers with a fixed structure, ...
Extending scope of robust optimization
Uncertainty optimization problem data the robust optimization model linear discrete time dynamic system the controller
2015/8/10
In this paper, we propose a new methodology for handling optimization problems with uncertain data. With the usual Robust Optimization paradigm, one looks for the decisions ensuring a required perform...
In complex problems it may, however, be very expensive or infeasible to determine the Hessian matrix A.
This motivates quasi-Newton methods which recursively estimate A of A−1
from the measure...
Joint Routing, MAC, and Link layer Optimization in Sensor Networks with Energy Constraints
Joint Routing MAC Link layer
2015/6/19
We consider sensor networks where energy is a limited resource so that energy consumption must be minimized while satisfying given throughput requirements. Moreover, energy consumption must take into ...
Decentralized Stochastic Decision Problems and Polynomial Optimization
Decision Problems Polynomial Optimization
2015/6/19
In this paper we consider the problem of determining optimal decentralized decision rules in discrete stochastic decision problems. Here we consider a static single-stage problem. It has been shown in...
Cross-layer Energy and Delay Optimization in Small-scale Sensor Networks
Small-scale Sensor Networks Optimization
2015/6/19
The general joint design of the physical, MAC, and routing layers to minimize network energy consumption is complex and hard to solve. Heuristics to compute approximate solutions and high-complexity a...