John A. Burns
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View article: Rates of Convergence in Certain Native Spaces of Approximations used in Reinforcement Learning
Rates of Convergence in Certain Native Spaces of Approximations used in Reinforcement Learning Open
This paper studies convergence rates for some value function approximations that arise in a collection of reproducing kernel Hilbert spaces (RKHS) $H(Ω)$. By casting an optimal control problem in a specific class of native spaces, strong r…
View article: Output Regulation of Systems Governed by Delay Differential Equations: Approximations and Robustness
Output Regulation of Systems Governed by Delay Differential Equations: Approximations and Robustness Open
In this paper we consider a problem of robust geometric regulation for tracking and disturbance rejection of systems governed by delay differential equations. It is well known that geometric regulation can be highly sensitive to system par…
View article: Optimal Sensor Placement for Observer Design
Optimal Sensor Placement for Observer Design Open
This paper is motivated by sensor location problems for infinite dimensional linear distributed parameter systems (DPS) defined by partial differential equations (PDEs). In this setting the term “sensor location” usually refers to a spatia…
View article: CHA volume 45 issue 2 Cover and Back matter
CHA volume 45 issue 2 Cover and Back matter Open
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View article: High Order Approximations for LQR Control and LQG Estimation of Convection Diffusion Systems
High Order Approximations for LQR Control and LQG Estimation of Convection Diffusion Systems Open
In this paper we discuss higher order methods for approximating linear control systems governed by convection diffusion equations. In particular, we employ a hp - finite element method to construct low order approximations of the Riccati e…
View article: Computing Functional Gains for Designing More Energy-Efficient Buildings Using a Model Reduction Framework
Computing Functional Gains for Designing More Energy-Efficient Buildings Using a Model Reduction Framework Open
We discuss developing efficient reduced-order models (ROM) for designing energy-efficient buildings using computational fluid dynamics (CFD) simulations. This is often the first step in the reduce-then-control technique employed for flow c…
View article: Biofibre viscosifiers for subsurface production
Biofibre viscosifiers for subsurface production Open
A novel natural cellulose material (“biofibre”) suspension in water has potential both for enhanced oil recovery and proppant placement during fracturing in tight reservoirs. We analyse the different carrying mechanisms of biofibre against…
View article: Inverse problems and techniques with applications in the biological sciences
Inverse problems and techniques with applications in the biological sciences Open
View article: Feedback stabilization of a thermal fluid system with mixed boundary control
Feedback stabilization of a thermal fluid system with mixed boundary control Open
View article: Velocity Control of a Counter-Flow Heat Exchanger
Velocity Control of a Counter-Flow Heat Exchanger Open
In this paper we consider a nonlinear tracking regulation problem for a counter-flow heat exchanger using velocity control. The methodology is based on a variation of our earlier work on design of feedback laws for regulation of distribute…