Timm Strecker

Boundary Control and Estimation for Underbalanced Drilling With Uncertain Reservoir Parameters

Timm Strecker, Ulf Jakob F Aarsnes

Journal article  |  2023  |  IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY

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

Journal article  |  2022  |  Journal of Irrigation and Drainage Engineering

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

Journal article  |  2022  |  Automatica

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

Boundary Feedback Control of 2x2 Quasilinear Hyperbolic Systems: Predictive Synthesis and Robustness Analysis

Timm Strecker, Ole Morten Aamo, Michael Cantoni

Journal article  |  2022  |  IEEE TRANSACTIONS ON AUTOMATIC CONTROL

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

Switched control of over-topping water channels

T Strecker, M Cantoni, E Weyer

Journal article  |  2022  |  IFAC-PapersOnLine

Automated open-water channels are used to deliver water for irrigation in an efficient manner. In the distant-downstream control a..

Output feedback boundary control of heterodirectional semilinear hyperbolic systems

T Strecker, OM Aamo, M Cantoni

Journal article  |  2020  |  Automatica

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

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

T Strecker, OM Aamo, M Cantoni

Conference Proceedings  |  2020  |  Proceedings of the 2019 IEEE 58th Conference on Decision and Control (CDC)

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..

Attenuating heave-induced pressure oscillations in offshore drilling by downhole flow control

Timm Strecker, Ole Morten Aamo

Journal article  |  2019  |  IFAC Journal of Systems and Control

One of the challenges when applying managed pressure drilling (MPD) offshore on a floating rig is the wave-induced heaving motion ..

Frequency domain analysis of backstepping-based disturbance rejection in a linear hyperbolic system

T Strecker, OM Aamo

Conference Proceedings  |  2018  |  2017 Australian and New Zealand Control Conference, ANZCC 2017

We perform a frequency-domain analysis of a second-order linear hyperbolic system modeling the so-called heave problem in offshore..

Two-sided boundary control and state estimation of 2 × 2 semilinear hyperbolic systems

T Strecker, OM Aamo

Conference Proceedings  |  2018

© 2017 IEEE. We solve the problem of controlling a class of one-dimensional semilinear 2 × 2 hyperbolic systems to the origin in m..