Automatic Control Systems for Low-Energy Pipelines in Irrigation Networks

Boundary Control and Estimation for Underbalanced Drilling With Uncertain Reservoir Parameters

Timm Strecker, Ulf Jakob F Aarsnes

2023-01-01

In underbalanced drilling (UBD), the bottom hole pressure is kept below pore pressure, causing pressure-dependent influx of reserv..

Modeling and Control of Pipeline Networks Supplied by Automated Irrigation Channels

B Mavkov, T Strecker, AC Zecchin, M Cantoni

2022-06-01

A model-based approach to control system design is developed for regulating the discharge flows at the outlets of a pipeline netwo..

Predictive feedback boundary control of semilinear and quasilinear 2 × 2 hyperbolic PDE–ODE systems

T Strecker, OM Aamo, M Cantoni

2022-06-01

We present a control design for semilinear and quasilinear 2 × 2 hyperbolic partial differential equations with the control input ..

Boundary Feedback Control of 2×2 Quasilinear Hyperbolic Systems: Predictive Synthesis and Robustness Analysis

T Strecker, OM Aamo, M Cantoni

2022-03-01

We present a predictive feedback control method for a class of quasilinear hyperbolic systems with one boundary control input. Ass..

Rigid-Profile Input Scheduling under Constrained Dynamics with a Water Network Application

A Lang, M Cantoni, F Farokhi, I Shames

2021-11-01

The motivation for this work stems from the problem of scheduling requests for flow at supply points located throughout an automat..

Structured preconditioning of conjugate gradients for path-graph network optimal control problems

A Zafar, M Cantoni, F Farokhi

2021-01-01

A structured preconditioned conjugate gradient (PCG) based linear system solver is developed for implementing Newton updates in se..

Output feedback boundary control of heterodirectional semilinear hyperbolic systems

T Strecker, OM Aamo, M Cantoni

2020-07-01

We solve the problem of stabilizing a general class of 1-d semilinear hyperbolic systems with an arbitrary number of states convec..

Implementing homomorphic encryption based secure feedback control

Julian Tran, Farhad Farokhi, Michael Cantoni, Iman Shames

2020-04-01

This paper is about an encryption based approach to the secure implementation of feedback controllers for physical systems. Specif..

Direct Predictive Boundary Control of a First-order Quasilinear Hyperbolic PDE

T Strecker, OM Aamo, M Cantoni

2020-03-12

We present a method for the boundary control of a system governed by one hyperbolic PDE with a non-local coupling term by state fe..

Optimization based input preview filtering for dynamical systems

A Lang, M Cantoni

2020-03-12

This paper is about filtering uncertain forecast information to update a preview model of inputs to a linear dynamical system, as ..

Linear quadratic control computation for systems with a directed tree structure

A Zafar, F Farokhi, M Cantoni

2020-01-01

A computational method is proposed for solving a structured quadratic optimal control problem subject to linear discrete-time dyna..

Structured moving horizon estimation for linear system chains

M Guo, A Lang, M Cantoni

2019-06-01

Computational aspects of moving horizon state estimation are studied for a class of chain networks with bidirectional coupling in ..

Control system design for concrete irrigation channels

T Strecker, M Cantoni, OM Aamo

2018-02-07

Concrete channels find use at the periphery of irrigation networks, for expansion and to replace small earthen channels given the ..

Moving Horizon Estimation for Linear Cascade Systems

Meichen Guo, Adair Lang, Michael Cantoni

2018-01-01

A structured approach to the problem of state estimation for cascaded linear sub-systems is studied in terms of minimizing a measu..