12 citations · 42 across the 10 of their papers we have counts for
10 papers
A Triangular Normal Form for x-Flat Control-Affine Two-Input Systems
Conrad Gstöttner, Bernd Kolar, Markus Schöberl
This paper is devoted to normal forms for x-flat control-affine systems with two inputs. We propose a general triangular normal form which contains several other normal forms discu…
On the Exact Linearization of Minimally Underactuated Configuration Flat Lagrangian Systems in Generalized State Representation
Georg Hartl, Conrad Gstöttner, Bernd Kolar +1
In this paper, we examine the exact linearization of configuration flat Lagrangian control systems in generalized state representation with p degrees of freedom and p-1 control inp…
Exact Linearization of Minimally Underactuated Configuration Flat Lagrangian Control Systems by Quasi-Static Feedback of Classical States
Georg Hartl, Conrad Gstöttner, Bernd Kolar +1
We study the exact linearization of configuration flat Lagrangian control systems with p degrees of freedom and p-1 inputs by quasi-static feedback of classical states. First, we p…
Discrete-time Flatness and Linearization along Trajectories
Bernd Kolar, Johannes Diwold, Conrad Gstöttner +1
The paper studies the relation between a nonlinear time-varying flat discrete-time system and the corresponding linear time-varying systems which are obtained by a linearization al…
A Flat System Possessing no (x,u)-Flat Output
Conrad Gstöttner, Bernd Kolar, Markus Schöberl
In general, flat outputs of a nonlinear system may depend on the system's state and input as well as on an arbitrary number of time derivatives of the latter. If a flat output whic…
On the Exact Linearization and Control of Flat Discrete-time Systems
Bernd Kolar, Johannes Diwold, Conrad Gstöttner +1
The paper addresses the exact linearization of flat nonlinear discrete-time systems by generalized static or dynamic feedbacks which may also depend on forward-shifts of the new in…
Tracking Control for -Flat Systems by Quasi-Static Feedback of Classical States
Conrad Gstöttner, Bernd Kolar, Markus Schöberl
It is well known that for flat systems the tracking control problem can be solved by utilizing a linearizing quasi-static feedback of generalized states. If measurements (or estima…
A Finite Test for the Linearizability of Two-Input Systems by a Two-Dimensional Endogenous Dynamic Feedback
Conrad Gstöttner, Bernd Kolar, Markus Schöberl
We propose an algorithmic test to check whether a two-input system is linearizable by an endogenous dynamic feedback with a dimension of at most two. This test furthermore provides…
A Structurally Flat Triangular Form Based on the Extended Chained Form
Conrad Gstöttner, Bernd Kolar, Markus Schöberl
In this paper, we present a structurally flat triangular form which is based on the extended chained form. We provide a complete geometric characterization of the proposed triangul…
On a Flat Triangular Form Based on the Extended Chained Form
Conrad Gstöttner, Bernd Kolar, Markus Schöberl
In this paper, we present a structurally flat triangular form which is based on the extended chained form. We provide necessary and sufficient conditions for an affine input system…