Interconnection and dam** assignment passivity‐based control of a class of underactuated mechanical systems with dynamic friction

J Sandoval, R Kelly… - International Journal of …, 2011 - Wiley Online Library
This paper considers the extension of the interconnection and dam** assignment
passivity‐based control methodology for a class of underactuated mechanical systems with …

A finite time unknown input observer for linear systems

T Raff, F Lachner, F Allgower - 2006 14th Mediterranean …, 2006 - ieeexplore.ieee.org
This paper presents a finite time unknown input observer for linear systems, ie an observer
which estimates the exact state of a linear system with unknown input disturbances in a …

Global observability and detectability analysis of uncertain reaction systems and observer design

JA Moreno, D Dochain - International Journal of Control, 2008 - Taylor & Francis
Observation issues are of fundamental importance for reaction systems due to the limited
availability of on-line sensors and the uncertainties related to the mathematical model. The …

Existence of unknown input observers and feedback passivity for linear systems

J Moreno - Proceedings of the 40th IEEE Conference on …, 2001 - ieeexplore.ieee.org
The existence conditions of unknown input observers (UIO) for LTI systems are well known
and several methods for its design have been proposed in the literature. Passivity is an …

Improving high gain observer design for nonlinear systems using the structure of the linear part

K Röbenack - Systems, automation & control, 2016 - degruyter.com
This paper deals with high gain observer design for Lipschitz nonlinear systems. High gain
observers are very popular in applications because of their simple implementation with a …

A combined observer and filter based approach for the determination of unknown parameters

K Röbenack, P Goel - International journal of systems science, 2009 - Taylor & Francis
We consider the simultaneous reconstruction of the state vector and unknown parameters
for a special class of non-linear parameter-dependent systems. The approach suggested …

[PDF][PDF] Computational analysis of nonlinear uncertain systems

P Polcz - 2021 - scholar.archive.org
This thesis investigates optimization-based techniques for robustness and performance
analysis of a wide class of nonlinear dynamical systems with parametric uncertainty. The …

[PDF][PDF] Observer based measurement of the input current of a neuron

K Röbenack, P Goel - Mediterranean Journal of Measurement and …, 2007 - researchgate.net
We propose a new technique that uses an observer to estimate the current input into a
neuron whose voltage is measured electrophysiologically. As a by-product, one also obtains …

[PDF][PDF] Observing the current input in neurons

P Goel, K Röbenack - 2005 - researchgate.net
We propose a new technique that uses an observer to determine the current input into a
neuron whose voltage is measured electrophysiologically. The current observer efficiently …

Passivity based control of flexible joint robot with dynamic friction compensation

Q Zhang, X Zongwu, S Kui, H Yang… - Proceeding of the 11th …, 2014 - ieeexplore.ieee.org
As the friction has a great effect on the performance of low speed and low stiffness
impedance control of flexible joint robot, a modified Dahl friction model is adopted, and a …