# Conference papers

1991 | 1997 | 2003 | 2008 | 2013 | 2018 |

1993 | 1998 | 2004 | 2009 | 2014 | 2019 |

1994 | 1999 | 2005 | 2010 | 2015 | 2020 |

1995 | 2000 | 2006 | 2011 | 2016 | 2021 |

1996 | 2001 | 2007 | 2012 | 2017 | 2022 |

### 2022

A. Irscheid, N. Espitia, W. Perruquetti, J. Rudolph, *Prescribed-time control for a class of semilinear hyperbolic PDE-ODE systems,* in: 4th IFAC Workshop on Control of Systems Governed by Partial Differential Equations CPDE 2022, Kiel, Germany, September 5-7, 2022, IFAC-PapersOnLine, Volume 55, Issue 26, 2022, Pages 47-52. **DOI**

F. Woittennek, A. Irscheid, N. Gehring, *Flatness-based analysis and control design for 2x2 hyperbolic PDEs with nonlinear boundary dynamics*, 4th IFAC Workshop on Control of Systems Governed by Partial Differential Equations CPDE 2022, Kiel, Germay, September 4-7, 2022, Volume 55, Issue 26, 2022, Pages 13-19. **DOI**

### 2021

M. Konz, J. Rudolph, *Gauss's principle and tracking control of underactuated mechanical systems*, in: 7th IFAC Workshop on Lagrangian and Hamiltonian Methods for Nonlinear Control LHMNC21, IFAC-PapersOnLine, Volume 54, Issue 19, 2021, Pages 365-370. **DOI**

A. Othmane, J. Rudolph, *Data and computation efficient model-based fault detection for rolling element bearings using numerical differentiation*, 2021 5th International Conference on Control and Fault-Tolerant Systems (SysTol), 2021, Pages 163-168. **DOI**

A. Othmane, H. Mounier, *Observers for the Seidel–Herzel model of human autonomic-cardiorespiratory system*, in: 11th IFAC Symposium on Biological and Medical Systems BMS 2021, IFAC-PapersOnLine, Volume 54, Issue 15, 2021, Pages 514-519. **DOI**

A. Irscheid, N. Gehring, J. Deutscher, J. Rudolph, *Observer design for 2×2 linear hyperbolic PDEs that are bidirectionally coupled with nonlinear ODEs*, 2021 European Control Conference (ECC), 2021, pp. 2506-2511. **DOI**

A. Othmane, J. Rudolph, H. Mounier, *Systematic comparison of numerical differentiators and an application to model-free control,* presented at ECC 2021, selected for 2021 European Control Conference Special Issue. **DOI**

A. Irscheid, N. Gehring, J. Rudolph, *Trajectory Tracking Control for a Class of 2×2 Hyperbolic PDE-ODE Systems*, in: 24th International Symposium on Mathematical Theory of Networks and Systems MTNS 2020, IFAC-PapersOnLine, Volume 54, Issue 9, 2021, Pages 416-421. **DOI**

A. Othmane, H. Mounier, J. Rudolph, *Parametrization of algebraic differentiators for disturbance annihilation with an application to the differentiation of quantized signals*, in: 24th International Symposium on Mathematical Theory of Networks and Systems MTNS 2020, IFAC-PapersOnLine, Volume 54, Issue 9, 2021, Pages 335-340. **DOI**

### 2020

A. Othmane, J. Rudolph, H. Mounier, *Analysis of the parameter estimate error when algebraic differentiators are used in the presence of disturbances*, in: 21th IFAC World Congress, IFAC-PapersOnLine, Volume 53, Issue 2, 2020, Pages 572-577. **DOI**

P.M. Scherer, A. Irscheid, G. Rizzello, J. Rudolph, *Flatness-based Trajectory-tracking Control of Dielectric Elastomer Actuators*, in: 21th IFAC World Congress, IFAC-PapersOnLine, Volume 53, Issue 2, 2020, Pages 8757-8762. **DOI**

### 2019

T. Braun, J. Reuter, J. Rudolph, *Flatness-Based Feed-Forward Control Design for Solenoid Actuators Considering Eddy Currents*, in: 8th IFAC Symposium on Mechatronic Systems, Mechatronics 2019: Vienna, Austria, 4-6 September, 2019. IFAC-PapersOnLine, Volume 52, Issue 15, 2019, Pages 567-572. **DOI**

### 2018

M. Konz, D. Kastelan, D. Gerbet, J. Rudolph, *Practical Challenges of Fully-Actuated Tricopter Control*, in: Proc. Mechatronics 2018, Glasgow, UK, September 19-21, 2018.

M. Konz and J. Rudolph, *Redundant configuration coordinates and nonholonomic velocity coordinates in analytical mechanics*, in: Proc. 9th Vienna International Conference on Mathematical Modelling, Vienna, Austria, February 21-23, 2018, pp. 409–414, 2018. **DOI**

L. Kiltz, J. Rudolph, D. Gerbet, *On Flatness-Based Control for Shape-Memory Alloy Actuators*, in: Mathmod 2018 Extended Abstracts , Vienna, Austria, 2018. **DOI**.

### 2017

T. Braun, J. Reuter, and J. Rudolph, *A novel observer approach for self sensing of single-coil digital valves*, in: 20th World Congress of the International Federation of Automatic Control (IFAC 2017) , Toulouse, France, 2017. **DOI**.

N. Gehring, J. Rudolph, *An Algebraic Approach to the Identification of Linear Systems with Fractional Derivatives*, in: 20th World Congress of the International Federation of Automatic Control (IFAC 2017) , Toulouse, France, 2017.

### 2016

T. Braun, J. Reuter, and J. Rudolph, *Position Observation for Proportional Solenoid Valves by Signal Injection*, IFAC-PapersOnLine, 49, 17-21, 2016. **DOI**

N. Gehring, C. Stauch, and J. Rudolph, *Parameter identification, fault detection and localization for an electrical transmission line*, in: Proc. European Control Conference, Aalborg, Denmark, June 29 - July 1, 2016, pp. 2090-2095, 2016. **PDF**

D. Kastelan, J. Rudolph, and A. Gensior, *Stator-Flux-Linkage-Referenced Control and Online Optimization of a Doubly-Fed Induction Generator*, in: 7th International Symposium on Power Electronics for Distributed Generation Systems (PEDG 2016), Vancouver, Canada, June 27-30, 2016. **DOI**

### 2015

D. Kastelan, M. Konz, and J. Rudolph, *Fully actuated tricopter with pilot-supporting control,* in: Workshop on Advanced Control and Navigation for Autonomous Aerospace Vehicles, Sevilla, Spain, June 10-12, 2015. IFAC-PapersOnLine, Volume 48, Issue 9, 2015, Pages 79-84. **DOI**

M. Konz and J. Rudolph, *Equations of motion with redundant coordinates for mechanical systems on manifolds*, in: Proc. 8th MATHMOD, Vienna, Austria, February 18-20, 2015, pp. 697-698, 2015. **DOI**

C. Stauch, J. Rudolph, *Energy Saving Using a Multi-Chamber Accumulator: Experimental Results and Proof of Concept*, in: Proc. 14th Scandinavian International Conference on Fluid Power, SICFP15, Tampere, Finland, May 19-22, 2015.

C. Stauch, J. Rudolph, and F. Schulz, *Some Aspects of Modelling, Dimensioning, and Control of Digital Flow Control Units*, in: Proc. 7th Workshop on Digital Fluid Power, DFP15, Linz, Austria, February 26-27, 2015, pp. 101-113, 2015.

### 2014

C. Stauch and J. Rudolph, *Flatness Based Control for a Digital Hydraulic System*, in: Proc. 9th International Fluid Power Conference, Aachen, Germany, March 24-26, 2014, pp. 466-477, 2014.

### 2013

N. Gehring, J. Rudolph, and F. Woittennek, *Controllability and prediction-free control of coupled transport processes viewed as linear systems with distributed delays*, in: Proc. 1st IFAC Workshop on Control of Systems Governed by Partial Differential Equations, Paris, France, September 25-27, 2013, pp. 13-18, 2013.

L. Kiltz and J. Rudolph, *Parametrization of algebraic numerical diﬀerentiators to achieve desired filter characteristics*, in: Proc. 52nd IEEE Conference on Decision & Control, Florence, Italy, December 10–13, 2013, pp. 7010–7015, 2013.

L. Kiltz, M. Janocha and J. Rudolph, *Algebraic estimation of impact times: juggling a ball with a magnetically levitated plate*, in: Proc. 2nd Int. Conf. on Systems and Computer Science, Villeneuve d'Ascq, France, August 26-27, 2013, pp. 145-149, 2013.

M. Konz and J. Rudolph, *Quadrotor tracking control based on a moving frame*, in: Proc. 9th IFAC Symposium on Nonlinear Control Systems, Toulouse, France, September 4-6, 2013, pp. 80-85, 2013. **DOI**

### 2012

N. Gehring, T. Knüppel, J. Rudolph, and F. Woittennek, *Algebraic identification of heavy rope parameters*, in: Proc. 16th IFAC Symposium on System Identification, Brussels, Belgium, July 11-13, 2012, pp. 161-166, 2012.

N. Gehring, J. Rudolph, and F. Woittennek, *Prediction-free tracking control for systems with incommensurate lumped and distributed delays: Two examples*, in: Proc. 10th IFAC Workshop on Time Delay Systems, Boston, USA, June 22-24, 2012, pp. 37-42, 2012. (Best Student Contribution Award in Theory)

N. Gehring, J. Rudolph, and C. Stauch, *Algebraic identification of fluid parameters using transmission line dynamics*, in: Proc. 13th Mechatronics Forum International Conference, Linz, Austria, September 17-19, 2012, pp. 930-935, 2012. **pdf**

L. Kiltz, M. Mboup, and J. Rudolph, *Fault diagnosis on a magnetically supported plate*, in: Proc. 1st Int. Conf. on Systems and

Computer Science, Villeneuve d'Ascq, France, August 29-30, 2012.

C. Stauch, F. Schulz, P. Bruck, and J. Rudolph, *Energy Recovery Using a Digital Piston-Type Accumulator, *in: Proc. 5th Workshop on Digital Fluid Power, DFP12, Tampere, Finland, October 24-25, 2012, pp. 57-73, 2012.

F. Sun, K. Lolenko, and J. Rudolph, *Nonlinear observer design for state estimation during anti-lock braking*, in: Proc. 13th Mechatronics Forum International Conference, Linz, Austria, September 17-19, 2012, pp. 412-419, 2012. **pdf**

F. Woittennek and J. Rudolph, *Controller canonical forms and flatness based state feedback for 1D hyperbolic systems*, in: Preproc. 7th MATHMOD, Vienna, Austria, February 15-17, 2012.

### 2011

C. Schmuck, F. Woittennek, A. Gensior, and J. Rudolph, *Flatness-based feed-forward control of an HVDC power transmission network*, in: Proc. "33rd International Telecommunications Energy Conference (INTELEC), Amsterdam, The Netherlands, October 9-13, 2011".

### 2010

M. Barczyk, M. Jost, D.R. Kastelan, A.F. Lynch, and K.D. Listmann, *An experimental validation of magnetometer integration into a GPS-aided helicopter UAV navigation system*, in: Proc. "American Control Conference 2010", pp. 4439-4444, june 2010.

C. Collon and J. Rudolph, *Set-point invariant control design by integrator backstepping*, in: Prepr. "8th IFAC Symposium on Nonlinear Control Systems", Bologna, Italy, September 1–3, 2010, pp. 1163–1168, 2010.

C. Fiter, T. Floquet, and J. Rudolph, *Sensorless control of a stepper motor based on higher order sliding modes*, in: Prepr. "8th IFAC Symposium on Nonlinear Control Systems", Bologna, Italy, September 1–3, 2010, pp. 777–782, 2010.

Ch. Fiter, Th. Floquet, et J. Rudolph, *Commande sans capteur du moteur pas-à-pas à base de modes glissants d'ordre supérieur*, in: "Actes Conf. Int. Francophone d'Automatique", Nancy (France), 2-4 juin 2010.

T. Knüppel, F. Woitteneck, and J. Rudolph, *Flatness-based trajectory planning for the shallow water equations*, in: Proc. “49th IEEE Conference on Decision & Control, December 15-17, 2010, Atlanta, Georgia, USA”, pp. 2960–2965, 2010.

J. Rudolph et F. Woittennek, *Identification de paramètres d'un modèle d'échangeurs de chaleur*, in: "Actes Conf. Int. Francophone d'Automatique", Nancy (France), 2-4 juin 2010.

### 2009

H. Fehr, A. Gensior, and J. Rudolph, *Flatness based switching frequency estimation of sliding mode controllers for single-input systems*, in: Proc. "Annual Conference of the IEEE Industrial Electronics Society, Porto, November 2009", pp. 1557-1562.

T.M.P. Nguyen, A. Gensior, and J. Rudolph, *A flatness based backstepping controller design with sliding mode for asynchronous machines*, in: Proc. "Annual Conference of the IEEE Industrial Electronics Society, Porto, November 2009", pp. 975-980.

M. Franke, F. Woittennek, and J. Rudolph, *Motion planning and feedback control of a planar robotic unicycle model*, in: Proc. "14th International Conference on Methods and Models in Automation and Robotics, 19–21 August 2009, Miedzyzdroje, Poland", CDROM, paper F-134, 2009.

F. Woittennek and J. Rudolph, *Planning trajectories for quasi-linear hyperbolic distributed parameter systems - a tubular reactor example*, in: Proc. "Intern. Conf. Systems Theory, Fes, Marocco, May 2009", pp. 607-614, 2009.

M. Bachmayer, B. Berger, J. Rudolph, and H. Ulbrich, *Numerical study of flatness based motion planning for a horizontally moving beam with a point mass*, in: Proc. "MATHMOD Vienna 2009'', CDROM, pp. 965-972, 2009.

### 2008

M. Bachmayer, J. Rudolph, and H. Ulbrich, *Acceleration of linearly actuated elastic robots avoiding residual vibrations*, in: Proc. "9th Int. Conf. on Motion and Vibration Control, Munich, Sept. 15-18, 2008", no. 1333 (10 p.), 2008.

M. Bachmayer, J. Rudolph, and H. Ulbrich, *Flatness based feed forward control for a horizontally moving beam with a point mass*, in: Proc. "4th European Conference on Structural Control, Saint-Petersburg, Sept. 8-12, 2008", pp. 74-81, 2008.

A. Gensior, T.M.P. Nguyen, H. Güldner, and J. Rudolph, *Flatness based loss optimization for a doubly fed induction generator system*, in: Proc. "IEEE International Symposium on Industrial Electronics (ISIE), June 2008, Cambridge, UK", pp. 449-454, 2008.

J. Rudolph and F. Woittennek, *An algebraic approach to parameter identification in linear infinite dimensional systems*, in: Proc. "16th Mediterranean Conference on Control and Automation, Ajaccio, France, June 25-27, 2008", pp. 332-337, 2008.

### 2007

A. Gensior, J. Weber, H. Güldner, and J. Rudolph, *An algebraic parameter identification algorithm and asymptotic observers for estimation of the load of a boost converter*, in: Proc. "IEEE International Symposium on Industrial Electronics (ISIE), June 2007, Vigo, Spain", VF-001287, pp. 7-11, 2007.

### 2006

St. Eckhardt, C. Klaucke, and J. Rudolph, *Modeling and control of an axial bearing generating forces and torques*, in: Proc. "10th Int. Symp. on Magnetic Bearings, August 2006, Martigny, Switzerland".

St. Eckhardt and J. Rudolph, *Trajectory tracking for a magnetically levitated shaft with three-phase AMBs in Y-connection*, in: Proc. "10th Int. Symp. on Magnetic Bearings, August 2006, Martigny, Switzerland".

K. Todtermuschke, A. Gensior, J. Rudolph, J. Weber, and H. Güldner, *Flatness-based control of the Vienna-rectifier allowing for reactive power compensation*, in: Proc. "37th IEEE Power Electronics Specialists Conference, June 12-22, 2006, Jeju, Korea", pp. 1895-1899, 2006.

C. Collon, S. Eckhardt, and J. Rudolph, *A network approach to the modelling of active magnetic bearings*, in: Proc. 5th MATHMOD Vienna, February 2006, CDROM, pp. 3-1 - 3-10, 2006.

### 2005

A. Gensior, J. Rudolph, and H. Güldner, *Flatness based control of three-phase boost rectifiers*, in: Proc. "11th European Conference on Power Electronics and Applications'', EPE 2005, Dresden, Germany, Sept. 2005, CDROM (9 pages).

V.I. Lehenkyi and J. Rudolph, *On a characteristic vector field for systems reducible to order two, *in: Prepr. "16th IFAC World Congress, Prague, Czech Republic, July 3-8, 2005'', CDROM (6 pages).

### 2004

J. Rudolph and F. Woittennek, *Motion planning for simple elastic structures, *in: Proc. "3rd European Conference on Structural Control, 3ECSC, 12--15 July 2004, Vienna University of Technology'', Vienna, Austria, pp. M9:1-4.

A. Gensior, J. Rudolph, and O. Woywode, *Observers and an online trajectory planning algorithm for boost converters*, in: Prepr. 6th IFAC-Symposium on Nonlinear Control Systems, nolcos 2004, Stuttgart, Germany, Sept. 2004, pp. 1479-1484, (also in Prepr. Vol. 3 "Nonlinear Control Applications'', pp. 1559-1564).

J. Rudolph and J. Winkler, *Difference-differential flatness of nonlinear delay systems with a chemical reactor example*, in: Proc. 6th IFAC-Symposium on Nonlinear Control Systems, nolcos 2004, Stuttgart, Germany, Sept. 2004, pp. 189-194, (also in Prepr. Vol. 1 "Nonlinear Control and Systems Theory'', pp. 203-208).

A. Gensior, O. Woywode, J. Rudolph, and H. Güldner, *Boost converter control: comparison of PI-, passivity-based and flatness-based methods*, "Power Electronics and Motion Control Rec.'', EPE-PEMC 2004, Riga, Latvia, Sept. 2004.

St. Eckhardt and J. Rudolph, *High precision synchronous tool path tracking with an AMB machine tool spindle*, in: Proc. 9th Int. Symp. on Magnetic Bearings, August 3-6, 2004, Lexington, Kentucky, USA, paper no. 109.

V.I. Lehenkyi and J. Rudolph, *Towards the Group Classification of Control Systems*, in: "Proceedings of Institute of Mathematics of NAS of Ukraine''. Kiev: Institute of Mathematics, Vol. 50, Part 1, pp. 170-175, 2004.

### 2003

J. Rudolph, *Examples for the use of invariant errors in nonlinear control*, in: Proc. "48. Wissenschaftliches Kolloquium, Technische Universität Ilmenau, 22.-25. September 2003", No. 11-01-02 (9 pages), 2003.

### 2001

V.I. Lehenkyi and J. Rudolph, *Group classification of second order control systems, *(In Russian), in: "Group and Analytical Methods in Mathematical Physics / Proceedings of Institute of Mathematics NAS of Ukraine''. Kiev: Institute of Mathematics, Vol. 36, pp. 167-176, 2001.

### 2000

A.F. Lynch and J. Rudolph, *Flatness-based boundary control of two coupled nonlinear pdes modelling a tubular reactor*, "Int. Symp. on Nonlinear Theory and its Applications 2000 (NOLTA 2000), Dresden, Germany, September 17-21'', pp. 641-644, 2000.

J. v. Löwis, J. Rudolph, J. Thiele, and F. Urban, *Flatness-based trajectory tracking control of a rotating shaft*, in: Proc. "7th International Symposium on Magnetic Bearings, Zürich, August 2000'', pp. 299-304, 2000.

J. v. Löwis and J. Rudolph, *Adaptive inertial autocentering of a rigid rotor with unknown imbalance supported by active magnetic bearings*, in: Proc. "7th International Symposium on Magnetic Bearings, Zürich, August 2000'', pp. 561-566, 2000.

J. Rudolph, *Commande par platitude de modèles à paramètres répartis pour échangeurs de chaleur*, Actes "CIFA 2000, Ecole Centrale de Lille, 5-8 juillet 2000'', pp. 566-571, 2000.

R. Rothfuß, U. Becker, and J. Rudolph, *Controlling a solenoid valve - a distributed parameter approach*, in: Proc. "14th Int. Symp. of Mathematical Theory of Networks and Systems - mtns 2000, Perpignan, June 2000''.

J. v. Löwis, J. Rudolph, and F. Woittennek, *Discrete-time flatness-based control of an electromagnetically levitated rotating shaft*, in: Proc. "14th Int. Symp. of Mathematical Theory of Networks and Systems - mtns 2000, Perpignan, June 2000''.

### 1999

W. Haas and J. Rudolph, *Steering the deflection of a piezoelectric bender*, in: Proc. European Control Conference ECC 99, Karlsruhe, No. F1010-4, 1999.

H. Mounier and J. Rudolph, *Load position tracking using a PM stepper motor with a flexible shaft: a delta-flat nonlinear delay system*, in: Proc. European Control Conference ECC 99, Karlsruhe, No. F1010-5, 1999.

### 1998

M. Fliess, H. Mounier, P. Rouchon, and J. Rudolph, *A distributed parameter approach to the control of a tubular reactor: a multi-variable case*, in: Proc. "37th Conference on Decision & Control, Tampa, Florida, 1998'', pp. 439-442, 1998.

H. Mounier and J. Rudolph, *On the notion of duality for linear delay systems*, in: Proc. IFAC Symposium Linear Time Delay Systems, Grenoble, pp. 25-30, 1998.

M. Fliess, H. Mounier, P. Rouchon, and J. Rudolph, *Controlling the transient of a chemical reactor: a distributed parameter approach*, in: Proc. Computational Engineering in Systems Application IMACS Multiconference, Hammamet, Tunisia (CESA'98), 1998.

### 1997

Y. Aoustin, M. Fliess, H. Mounier, P. Rouchon, and J. Rudolph, *Theory and practice in the motion planning and control of a flexible robot arm using Mikusinski operators*, in: Proc. "5th Symposium on Robotics and Control, Nantes, France'', pp. 287-293, 1997.

D. Guillaume, P. Rouchon, and J. Rudolph, *Two simple observers for a class of polymerization reactors*, in: Proc. "4th European Control Conference, Brussels, Belgium'', Paper no. 849, 1997.

H. Mounier and J. Rudolph, *First steps towards flatness based control of a class of nonlinear chemial reactors with time delays*, in: Proc. "4th European Control Conference, Brussels, Belgium'', Paper no. 508, 1997.

### 1996

H. Mounier, P. Rouchon, and J. Rudolph, pi*-freeness of a long electric line*, in: Proc. "Symposium on Modelling, Analysis and Simulation, CESA '96 IMACS Multiconference, Lille, France'', pp. 28-29, 1996.

M. Fliess and J. Rudolph, *Local "tracking observers'' for flat systems*, in: Proc. "Symposium on Control, Optimization and Supervision, CESA '96 IMACS Multiconference, Lille, France'', pp. 213-217, 1996.

J. Rudolph, *Flatness of some examples of coupled chemical reactors*, in: Proc. "Symposium on Control, Optimization and Supervision, CESA '96 IMACS Multiconference, Lille, France'', pp. 206-210, 1996.

R. Rothfuss, J. Rudolph, and M. Zeitz, *Controlling a chemical reactor model using its flatness*, in: Prepr. "13th Triennial IFAC World Congress, USA'', Vol. F, pp. 383-388, 1996.

### 1995

M. Fliess, H. Mounier, P. Rouchon, and J. Rudolph, *Controllability and motion planning for linear delay systems with an application to a flexible rod*, in: Proc. "34th Conference on Decision & Control, New Orleans December 1995'', pp. 2046-2051, 1995.

H. Mounier, J. Rudolph, M. Petitot, and M. Fliess, *A flexible rod as a linear delay system*, in: Proc. "European Control Conference 1995, Rome, Italy'', pp. 3676-3681, 1995.

E. Delaleau and J. Rudolph, *Decoupling and linearization by quasi-static feedback of generalized states*, in: Proc. "European Control Conference 1995, Rome, Italy'', pp. 1069-1074, 1995.

R. Rothfuss, J. Rudolph, and M. Zeitz, *Flatness based control of a chemical reactor model*, in: Proc. "European Control Conference 1995, Rome, Italy'', pp. 637-642, 1995.

R. Rothfuss, J. Rudolph, and M. Zeitz, *A procedure towards linearizing dynamic feedback*, in: Proc. "3rd IFAC-Symposium on Nonlinear Control System Design '95'', Tahoe City/California, Vol. 1, pp. 303-308, 1995.

J. Rudolph, R. Rothfuss, and J.-B. Pomet, *A generalized controller form for linearization by quasi-static state feedback*, in: Proc. IFAC-Conference System Structure and Control, Nantes, pp. 143-148, 1995.

### 1994

J. Rudolph and E. Delaleau, *Some remarks on quasi-static feedback of generalized states*, in: Prepr. 1st IFAC Workshop on New Trends in Design of Control Systems, Smolenice, Slovak Republic, September 7-10, pp. 47-52, 1994.

J. Rudolph and S. El Asmi, *Filtrations and Hilbert polynomials in control theory*, in: Systems and Networks: Mathematical Theory and Applications, Vol. II, in: Proc. Int. Symposium MTNS'93, Regensburg, Germany, August 2-6, 1993, U. Helmke, R. Mennicken, J. Saurer (eds.), Akademie Verlag, pp. 449-452, 1994.

J. Rudolph, *A canonical form under quasi-static feedback*, in: Systems and Networks: Mathematical Theory and Applications, Vol. II, in: Proc. Int. Symposium MTNS'93, Regensburg, Germany, August 2-6, 1993, U. Helmke, R. Mennicken, J. Saurer (eds.), Akademie Verlag, pp. 445-448, 1994.

### 1993

J. Rudolph and E. Delaleau, *On properness of linear time-varying systems and its generalization to the nonlinear case*, in: Proc. European Control Conference ECC'93, Groningen, The Netherlands, June 28-July 1, 1993, pp. 2107-2111.

J. Rudolph and E. Delaleau, *Nonlinear right-model matching by proper compensation or quasi-static feedback*, in: Proc. European Control Conference ECC'93, Groningen, The Netherlands, June 28-July 1, 1993, pp. 1528-1533.

J. Rudolph, *A differential algebraic approach to the classical right model matching problem*, in: Nonlinear Control Systems Design 1992, Selected papers from the 2nd IFAC Symposium, Bordeaux France, 24 - 26 June 1992, M. Fliess (ed.), Pergamon Press, Oxford, pp. 321-326, 1993.

### 1991

J. Rudolph, J. Birk, and M. Zeitz, *Dependence on time derivatives of the input in the nonlinear controller canonical form*, in: G. Conte, A.M. Perdon and B. Wyman (eds.) "New Trends in Systems Theory'', Proceedings of the Università di Genova - The Ohio State University Joint Conference, July 9-11, Progress in Systems and Control Theory, 7, Birkhäuser, Boston, pp. 636-643, 1991.