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Example of exact trade-offs in linear controller design
Linear time-invariant controller robust controller linear quadratic gaussian the numerical calculation
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2015/8/13
The design of a linear time-invariant controller for a given linear-time-invariant plant, like any engineering design, involves tradeoff among many desirable qualities, such as fast response to comman...
A branch and bound methodology for matrix polytope stability problems arising in power systems
Robust matrix of power system the linearized dynamics linear system model robust stability
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2015/8/12
This paper proposes a formulation to provide necessary and sufficient conditions for robust stability of a family of matrices modeling linearized power system dynamics. A construction for transforming...
Stability robustness of linear systems to real parametric perturbations
Robust parameter linear system the parameter singular value value
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2015/8/12
We consider linear time-invariant systems subject to real, parametric variations. The problem of computing the half-sidelength 1/mu_infinity of the largest stability hypercube in the parameter space i...
A robust control design for FIR plants with parameter set uncertainty
Robust control design plant parameter set oval
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2015/8/12
A method of computing the finite-horizon control inputs for FIR plants whose parameters are only known to lie in a set is proposed. The parameter set is assumed to be described by an ellipsoidal bound...
Robust control design for ellipsoidal plant set
Robust control design the oval plants the parameter matrix oval set
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2015/8/12
Presents a control design method for continuous-time plants whose uncertain parameters in the output matrix are only known to lie in an ellipsoidal set. The desired control is chosen to minimize the m...
On maximizing a robustness measure for structured nonlinear perturbations
Nonlinear disturbance robustness robustness measure
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2015/8/12
In this paper, we propose a robustness measure for LTI systems with causal, nonlinear diagonal perturbations with finite L_2-gain. We propose an algorithm to reliably compute this quantity. We show ho...
Efficient convex optimization for engineering design
Optimization numerical methods linear programming optimal control robust control convex programming interior-point methods FIR
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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...
Improving static performance robustness of thermal processes
Static performance robustness and control design nonlinear model static state feedback controller
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2015/8/12
A static (steady-state) robust control design problem is considered using a nonlinear model of a thermal system. For a given operating point, the control problem is to determine a feedforward/feedback...
Robust control tools: graphical user-interfaces and LMI algorithms
Robust control graphics LMI algorithm control and numerical value the control design tools
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2015/8/12
Gives some vague ideas about useful control design tools that might be based on LMI algorithms.
Robust optimal control of linear discrete-time systems using primal-dual interior-point methods
Robust control application model linear discrete
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2015/8/11
This paper describes how to efficiently solve a robust optimal control problem using recently developed primal-dual interior-point methods. Among potential applications are model predictive control. T...
Robust linear programming and optimal control
Linear programming Convex optimization Model-predictive control
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2015/8/11
We describe an efficient method for solving an optimal control problem that arises in robust model-predictive control. The problem is to design the input sequence that minimizes the peak tracking erro...
Computing optimal uncertainty models from frequency domain data
Uncertainty model robust control multivariate nonparametric linear matrix inequality the noise
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2015/8/11
Uncertainty models are an essential ingredient in robust control design. In addition, because of the tradeoff between uncertainty and performance, the uncertainty model should be as ‘tight’ as possibl...
Optimization-based tuning of low bandwidth control in spatially distributed systems
Low bandwidth controller controller filter control signal robust
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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, ...
Robust minimum variance beamforming
Ellipsoidal calculus Hadamard product robust beamforming second-order cone programming
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2015/8/10
This paper introduces an extension of minimum variance beamforming, also known as Capon's method, that explicitly takes into account variation or uncertainty in the assumed array response. Sources of ...
Design tools for emerging technologies
optimization simulation nanotechnology computeraided design
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2015/8/10
The rapidly expanding diversity of technology available at the nanoscale is disrupting the existing transistor-centric microelectronics design paradigm, resulting in nearly decade-long delays between ...