Michael Cantoni
YOU?
Author Swipe
View article: Stereographic Projection of Probabilistic Frequency-Domain Uncertainty
Stereographic Projection of Probabilistic Frequency-Domain Uncertainty Open
This paper investigates the stereographic projection of points along the Nyquist plots of single input single output (SISO) linear time invariant (LTI) systems subject to probabilistic uncertainty. At each frequency, there corresponds a co…
View article: Neighbourhood conditions for network stability with link uncertainty
Neighbourhood conditions for network stability with link uncertainty Open
The main result relates to structured robust stability analysis of an input-output model for networks with link uncertainty. It constitutes a collection of integral quadratic constraints, which together imply robust stability of the uncert…
View article: Structured stability analysis of networked systems with uncertain links
Structured stability analysis of networked systems with uncertain links Open
An input-output approach to stability analysis is explored for networked systems with uncertain link dynamics. The main result consists of a collection of integral quadratic constraints, which together imply robust stability of the uncerta…
View article: On perturbation gain bounds for asynchronous sampled-data links
On perturbation gain bounds for asynchronous sampled-data links Open
View article: On Riccati contraction in time-varying linear-quadratic control
On Riccati contraction in time-varying linear-quadratic control Open
Contraction properties of the Riccati operator are studied within the context of non-stationary linear-quadratic optimal control. A lifting approach is used to obtain a bound on the rate of strict contraction, with respect to the Riemannia…
View article: On receding-horizon approximation in time-varying optimal control
On receding-horizon approximation in time-varying optimal control Open
The closed-loop stability and infinite-horizon performance of receding-horizon approximations are studied for non-stationary linear-quadratic regulator (LQR) problems. The approach is based on a lifted reformulation of the optimal control …
View article: A Game Representation for a Finite Horizon State Constrained Continuous Time Linear Regulator Problem
A Game Representation for a Finite Horizon State Constrained Continuous Time Linear Regulator Problem Open
A supremum-of-quadratics representation for a class of extended real valued barrier functions is developed and applied in the context of solving a continuous time linear regulator problem subject to a single state constraint of bounded nor…
View article: Second-order Properties of Noisy Distributed Gradient Descent
Second-order Properties of Noisy Distributed Gradient Descent Open
We study a fixed step-size noisy distributed gradient descent algorithm for solving optimization problems in which the objective is a finite sum of smooth but possibly non-convex functions. Random perturbations are introduced to the gradie…
View article: Comprehensive Optimization-based Techno-economic Assessment of Hybrid Renewable Electricity-hydrogen Virtual Power Plants
Comprehensive Optimization-based Techno-economic Assessment of Hybrid Renewable Electricity-hydrogen Virtual Power Plants Open
Hydrogen is being considered as an important option to contribute to energy system decarbonization. However, currently its production from renewables is expensive compared with the methods that utilize fossil fuels. This paper proposes a c…
View article: Explicit Time-Optimal Speed Profiles for Planar Paths with Monotone Curvature
Explicit Time-Optimal Speed Profiles for Planar Paths with Monotone Curvature Open
Minimum-time speed profiles are constructed for planar paths with smooth strictly-monotonic signed curvature, subject to constraints on velocity, normal acceleration and tangential acceleration. The construction is explicit and exact, and …
View article: Modeling and Control of Pipeline Networks Supplied by Automated Irrigation Channels
Modeling and Control of Pipeline Networks Supplied by Automated Irrigation Channels Open
International audience
View article: Event-triggered boundary control of 2x2 semilinear hyperbolic systems
Event-triggered boundary control of 2x2 semilinear hyperbolic systems Open
We present an event-triggered boundary control scheme for hyperbolic systems. The trigger condition is based on predictions of the state on determinate sets, where the control input is only updated if the predictions deviate from the refer…
View article: How are control engineers improving the sustainability of irrigated agriculture?
How are control engineers improving the sustainability of irrigated agriculture? Open
Globally, less than 60% of the water diverted into irrigation networks is used productively.This inefficiency is partly due to outdated infrastructure and manual operating practices that can result in wasteful spillage at the end of the op…
View article: Switched control of over-topping water channels
Switched control of over-topping water channels Open
Automated open-water channels are used to deliver water for irrigation in an efficient manner. In the distant-downstream control architecture, water is released from upstream storage in response to downstream demand. In some situations, su…
View article: MITL Verification Under Timing Uncertainty
MITL Verification Under Timing Uncertainty Open
View article: Sampling polynomial trajectories for LTL verification
Sampling polynomial trajectories for LTL verification Open
View article: Structured Preconditioning of Conjugate Gradients for Path-Graph Network Optimal Control Problems
Structured Preconditioning of Conjugate Gradients for Path-Graph Network Optimal Control Problems Open
A structured preconditioned conjugate gradient (PCG) solver is developed for the Newton steps in second-order methods for a class of constrained network optimal control problems. Of specific interest are problems with discrete-time dynamic…
View article: Predictive feedback boundary control of semilinear and quasilinear 2x2 hyperbolic PDE-ODE systems
Predictive feedback boundary control of semilinear and quasilinear 2x2 hyperbolic PDE-ODE systems Open
We present a control design for semilinear and quasilinear 2x2 hyperbolic partial differential equations with the control input at one boundary and a nonlinear ordinary differential equation coupled to the other. The controller can be desi…
View article: Boundary Feedback Control of 2x2 Quasilinear Hyperbolic Systems: Predictive Synthesis and Robustness Analysis
Boundary Feedback Control of 2x2 Quasilinear Hyperbolic Systems: Predictive Synthesis and Robustness Analysis Open
We present a predictive feedback control method for a class of quasilinear hyperbolic systems with one boundary control input. Assuming exact model knowledge, convergence to the origin, or tracking at the uncontrolled boundary, are achieve…
View article: Asynchronous links that re-order samples: An L2 gain embedding
Asynchronous links that re-order samples: An L2 gain embedding Open
An embedding of the uncertain time-varying delay associated with a class of asynchronous sampled-data links is devised in terms of the L2 gain of a related input-output operator. For links in the class considered, each output zero-order-ho…
View article: Integral Quadratic Constraints for Asynchronous Sample-and-Hold Links
Integral Quadratic Constraints for Asynchronous Sample-and-Hold Links Open
A model is proposed for a class of asynchronous sample-and-hold operators that is relevant in the analysis of embedded and networked systems. The model is parametrized by characteristics of the corresponding time-varying input-output delay…
View article: Implementing homomorphic encryption based secure feedback control
Implementing homomorphic encryption based secure feedback control Open
View article: Linear quadratic control computation for systems with a directed tree structure
Linear quadratic control computation for systems with a directed tree structure Open
View article: Game representations for state constrained continuous time linear\n regulator problems
Game representations for state constrained continuous time linear\n regulator problems Open
A supremum-of-quadratics representation for convex barrier-type constraints\nis developed and applied within the context of a class of continuous time state\nconstrained linear regulator problems. Using this representation, it is shown\nth…
View article: Game representations for state constrained continuous time linear regulator problems
Game representations for state constrained continuous time linear regulator problems Open
A supremum-of-quadratics representation for convex barrier-type constraints is developed and applied within the context of a class of continuous time state constrained linear regulator problems. Using this representation, it is shown that …
View article: Optimal control computation for cascade systems by structured Jacobi iterations
Optimal control computation for cascade systems by structured Jacobi iterations Open
A computational method is proposed for solving a structured finite-horizon optimal control problem. Specifically, a linear quadratic problem with discrete-time dynamics arising from a cascaded interconnection of N heterogeneous sub-systems…
View article: Direct predictive control of a first-order quasilinear hyperbolic PDE
Direct predictive control of a first-order quasilinear hyperbolic PDE Open
We present a method for the boundary controlof a system governed by one hyperbolic PDE with a non-localcoupling term by state feedback. The method is an extensionof recently developed controllers for semilinear systems. Thedesign consists …
View article: Structure in total least squares parameter estimation for electrical networks
Structure in total least squares parameter estimation for electrical networks Open
A total least squares approach to estimating the line admittances of an electrical network for power distribution is explored. It is observed that the Newton iterates for solving the corresponding non-linear Karush-Kuhn-Tucker (KKT) optima…
View article: Control system design for concrete irrigation channels
Control system design for concrete irrigation channels Open
Concrete channels find use at the periphery of irrigation networks, for expansion and to replace small earthen channels given the relative ease of maintenance and elimination of seepage losses. In design, it is important to account for con…
View article: Gap metric computation for time-varying linear systems on finite horizons
Gap metric computation for time-varying linear systems on finite horizons Open
It is shown how to compute the aperture, or gap, between the finite-horizon graphs of linear time-varying dynamical systems, given state-space models of the continuous-time input-output maps. The approach involves four quadratic matrix fir…