works on

From the 1 of 13 linked papers with an AI index.

activity
20242026
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13 papers

math.OC2026

Active Disturbance Rejection for Boundary Control Systems

Jukka-Pekka Humaloja, Lassi Paunonen

We consider stabilisation of abstract boundary control systems and controlled partial differential equations with general unknown input disturbances and unmodeled nonlinearities at…

math.OC2026

Output Regulation for Impedance Passive Systems with Input Saturation

Thavamani Govindaraj, Lassi Paunonen

The paper develops a control strategy for infinite‑dimensional systems that are impedance passive and have input saturation, enabling accurate output tracking and disturbance rejec…

math.OC2026

Dynamic Stabilisation of Boundary Control Systems

Mohamed Fkirine, Lassi Paunonen

We design observer-based controllers to stabilise abstract linear boundary control systems on Hilbert spaces. Our main results introduce conditions for exponential, strong, and pol…

math.AP2026

Optimal energy decay rates for Klein-Gordon equations with Kelvin-Voigt damping

Filippo Dell'Oro, Lassi Paunonen, David Seifert

We study the long-time behaviour of solutions to a one-dimensional linear Klein-Gordon equation with Kelvin-Voigt damping. One of the interesting features of the equation is that t…

math.FA2026

Polynomial Stability of Non-Linearly Damped Contraction Semigroups

Lassi Paunonen, David Seifert

We investigate the stability properties of an abstract class of semi-linear systems. Our main result establishes rational rates of decay for classical solutions assuming a certain…

math.OC2025

Funnel control for passive infinite-dimensional systems

Thavamani Govindaraj, Anthony Hastir, Lassi Paunonen +1

We consider funnel control for linear infinite-dimensional systems that are impedance passive, meaning that they satisfy an energy balance in which the stored energy equals the squ…