Publikationen

Als PDF: Publikationen_20.pdf

2019

  • R. Agner, E. J. Lucas, D. G. Olsen, P. Gruber, B. Wellig: Robust Control of Heat Exchangers in Stratified Storage Systems – Simulation and Experimental Validation
    CHEMICAL ENGINEERING TRANSACTIONS VOL. 76, 2019

2018

  • P. Gruber, R. Agner, S. Deniz: Detection of cavitating states (swirls) in a Francis test pump-turbine using ultrasonic and transient pressure measurements, IGHEM Conference, Beijing, China, Sept. 11-13, 2018
  • R. Hilgers, P. Gruber, H. Hu, Thomas Staubli, Qisen Miao: Comprehensive Checklist for Ultrasonic flow meter applications, IGHEM Conference, Beijing, China, Sept. 11-13, 2018
  • T. Staubli, F. Fahrni, P. Gruber: Diagnosis of Acoustic Transit Time Data based on the Area Flow Function, IGHEM Conference, Beijing, China, Sept. 11-13, 2018
  • P. Gruber, T. Staubli, F. Fahrni: Gauss-Kronrod Integration for rectangular closed conduits, IGHEM Conference, Beijing, China, Sept. 11-13, 2018
  • H. Hu, Z. Yang, H. Cui, P. Gruber: On-site calibration of flow meters by ATT reference with wetted transducers, IGHEM Conference, Beijing, China, Sept. 11-13, 2018
  • P. Fleckenstein, G. Storti, F. Deschwanden, P. Gruber, M. Lattuada: Modeling analy-sis of ultrasonic attenuation and angular scattering measurements of suspended partic-les, J. Acoust. Soc. Am. 143 (2), February 2018, p. 1049-1063

2017

  • P. Gruber, R. Agner, S. Deniz, P. Odermatt: Detection of vortex frequency in the draft tube of a model test pump-turbine by ultrasound, Hydro 207, Sevilla, Spain

2016

  • P. Gruber: Comparison of different outlier filtering methods with applications to ultrasonic flow measurements, IGHEM 2016, Linz, Austria, August, 24th -26th
  • P. Gruber, D. Felix, G. Storti, M. Lattuada, P. Fleckenstein, F. Deschwanden: Acoustic measuring techniques for suspended sediment, IAHR 2016, Grenoble France

2015

  • P. Gruber, M. Farhat, P. Odermatt, M. Etterlin, T. Lerch, M. Frei: The detection of cavitation in hydraulic machines by use of ultrasonic signal analysis, International Journal of Fluid Machinery and Systems DOI: 10.5293/IJFMS.2015.8.4.264
    Vol. 8, No. 4, October-December 2015, p. 264-273
  • P. Gruber: Schwebstoffmonitoring mit akustischen Methoden, Tagung Wasserkraft, Schwebstoffe, hydro-abrasiver Verschleiss und Wirkungsgradänderungen an Peltonturbinen, HSLU 30.09.2015

2014

  • Sergii Marushchenko: Multipath clamp-on meter performance investigation, Hydro 2014, Oct. 13-15, 2014, Cernobbio, Italy
  • P. Gruber, P. Odermatt, F. Deschwanden, G. Storti, P. Fleckenstein, M. Lattuada, M. Farhat: Water Condition Monitoring Capabilities with Ultrasonic Measurements, Hydro 2014, Oct. 13-15, 2014, Cernobbio, Italy
  • S. Marushchenko, P. Gruber, Th. Staubli: Approach for acoustic transit time flow measurement in irregular sections, Hydro 2014, Oct. 13-15, 2014, Cernobbio, Italy
  • P. Gruber, P. Odermatt, M. Etterlin, T. Lerch, M. Frei: The detection of cavitation in hydraulic machines by use of ultrasonic signal analysis, IAHR Conference 2014, Montreal, Canada
  • S. Marushchenko, P. Gruber: Comparative study of 4(8)-path and 5(10)-path configurations for ATT flow measurements in circular conduits, IGHEM conference, Itajuba, Brazil, Sept. 17-18, 2014
  • P. Gruber: A Kalman filter based approach for measuring sound speed, axial and transversal flow component in ATT measurements, IGHEM conference, Itajuba, Brazil, Sept. 17-18, 2014
  • P. Gruber: Simulationstechnik in der Regelungs- und Messtechnik, Vortrag, Technologieforum Zug, 5. Juni 2014

2013

  • A. Felix, I. Albayrak, R. M. Boes, A. Abgottspon, F. Deschwanden, P. Gruber: Measuring Suspended Sediment: Results of the first Year of the Case Study at HPP Fieschertal in the Swiss Alps
  • P. Gruber, F. Wermelinger, S. Hug: Experience with the ATT method for discharge measurement with adaptive weighting of the path velocities, Hydro2013, Innsbruck
  • P. Gruber, P. Odermatt, M: Etterlin, Th. Lerch, M. Farhat Cavitation Detection via Ultrasonic Signal Characteristics, IAHR Symposium, Sept. 2013, EPFL Lausanne 2012

2012

  • P. Gruber: ATT draft for update, IEC41, TC4, Maintenance Team 28 (MT-28) Milano, 2012
  • L. I. Costa, G. Storti, B. Luescher, P Gruber, T. Staubli: Influence of solid particle parameters on the sound speed and attenuation of pulses in acoustic discharge measurements (ADM), Journal of Hydrologic Engineering, October 2012, Vol. 17, Number 10, p. 1084-1092
  • P. Gruber, F. Wermelinger, F. Deschwanden: Influence of Protrusion effect on the Accuracy of the acoustic Discharge measurement IGHEM 2012, Trondheim, June 27-30.
  • T. Staubli, S. Hug, P. Gruber: Comparison of measured path velocities with numerical Simulations for heavily disturbed velocity distributions IGHEM 2012, Trondheim, June 27-30.
  • D. Felix, I. Albayrak, A. Abgottspon, R. Boes, P. Gruber: Suspended load and Pelton turbine wear monitoring: experiments on suspended particle measurements and preparation of prototype study Fieschertal, Vienna Hydro 2012, Nov 21-23
  • P. Gruber, M. Widmer: Planning tool Hydro 2012, Bilbao
  • P. Gruber, T. Staubli: Best practice HYDRO 2012 Brazil

2011

  • P. Gruber: Proposal for ATT update, IEC41, TC4, Maintenance Team 28 (MT-28) Montreal, 2011
  • P. Gruber, D. Roos, B. Lüscher, T. Staubli. Monitoring water conditions by analyzing ultrasonic signal parameters, HYDRO 2011, Prag
  • P. Gruber, D. Roos, C. Müller, T. Staubli: Detection of damaging cavitation states by means of ultrasonic signal parameter patterns, WIMRC 3rd International Cavitation Forum 2011, University of Warwick, UK, 4th-6th July 2011, England

2010

  • P. Gruber: Kootenay canal: Acoustic time of flight measurement in the penstock, HYDRO 2010, Lissabon
  • P. Gruber: Acoustic transit time update, IEC41, TC4, Maintenance Team 28 (MT-28) Lissabon, 2010
  • P. Gruber, B. Lüscher: Silt monitoring via ultrasonic signal analysis, 8th International Conference on Innovation in Hydraulic Efficiency Measurements October 21rd – 23th 2010, Roorkee, India
  • P. Gruber, F. Wermelinger, T. Tresch, T. Staubli: Optimization of the ADM by Adaptive Weighting for the Gaussian Quadrature Integration, 8th International Conference on Innovation in Hydraulic Efficiency Measurements, October 21rd – 23th 2010, Roorkee, India

2009

  • P. Gruber, T. Staubli, B. Lüscher, M. Widmer: Optimization of the acoustic discharge Measurement using CFD, SGA Bulletin Nr. 52, Mai 2009
  • P. Gruber: Mehrpfadige akustische Durchflussmessung in Wasserkraftwerken: Installationserfahrung, Beispiele, Praktikerkonferenz Wasserkraft, TU Graz, 25./26. November, 2009
  • P. Gruber, T. Staubli, B. Lüscher, M. Widmer, C. Widmer, L. Roux: Multipath Acoustic discharge measurement in non-standard situations, HYDRO 2009, Lyon, 26-28. October

2008

  • A. Lüscher, P. Gruber, M. Widmer, Th. Staubli: Optimizing of acoustic discharge measurement using CFD, p. 109-112, Hydropower & Dams, Issue Two 2008
  • A. Lüscher, Th. Staubli, Th. Tresch, P. Gruber: Optimizing the acoustic discharge measurement for rectangular conduits, IGHEM 2008, Sept. 3rd-6th, Milano
  • Th. Tresch, B. Lüscher, Th. Staubli, P. Gruber: Presentation of optimized integration methods and weighting corrections for the acoustic discharge measurement, IGHEM 2008, Sept. 3rd-6th, Milano
  • P. Gruber: Upgrading the IEC41 code with respect to acoustic discharge measurement, IGHEM 2008, Sept. 3rd-6th, Milano
  • J. Steller, A. Adamkowski, W. Janicki, P. Gruber, H. Treichler, W. Kilebasa, J. Wojcik: Discharge measurement by means of the pressure-time and the 8-Path acoustic method in Niedzica HPP pressure tunnels, HYDRO 2008 October 6-8, Ljubliana, Slowenien

2007

  • Th. Staubli, A. Noti, Th. Tresch, B. Lüscher, P. Gruber: Accuracy analysis of the discharge measurement using analytical, spatial velocities HYDRO 2007, October 15-17, Granada, Spain
  • G. Storti, I. Costa, Th. Staubli, B. Lüscher, P. Gruber: Evaluation of models describing the influence of solid particles on the sound speed and attenuation of pulses used in acoustic discharge measurement. HYDRO 2007, October 15-17, Granada, Spain
  • P. Gruber: Trends in the acoustic travel time measurement, Workshop on turbine Flow measurement, HYDRO 2007, October 15-17, Granada, Spain

2006

  • Th. Staubli, B. Lüscher, P. Gruber: Sensitivity of the acoustic discharge measurement on silt content, IGHEM Conference on Innovation in Hydraulic Efficiency Measurement, July 30 – August 1, 2006, Portland USA
  • Th. Tresch, P. Gruber, Th. Staubli: Comparison of integration methods for multipath acoustic discharge measurements, IGHEM Conference on Innovation in Hydraulic Efficiency Measurement, July 30 – August 1, 2006, Portland USA
  • P. Gruber, Th. Staubli, B. Lüscher: How much silt is acceptable for the acoustic discharge measurement, HYDRO 2006, September 25-27, Porto Carras Greece

2004

  • P. Gruber, Th. Tresch, Th. Staubli: Uncertainty analysis of the acoustic method with respect to absolute travel time and time difference determination, IGHEM Conference on Innovation in Hydraulic Efficiency Measurement, July 14-16, 2004, Luzern
  • P. Gruber, R. Lottenbach, Th. Tresch: Diagnosis of the acoustic discharge measurement on the basis of temperature monitoring, IGHEM Conference on Innovation in Hydraulic Efficiency Measurement, July 14-16, 2004, Luzern
  • P. Gruber, Th. Tresch, Th. Staubli: Use of Hilbert Transform for robustness improvement of the acoustic method, IGHEM Conference on Innovation in Hydraulic Efficiency Measurement, July 14-16, 2004, Luzern
  • P. Gruber, Th. Tresch, Th. Staubli: A discussion of uncertainties and of potential for improvement of the acoustic transit time method, HYDRO 2004, Oct. 18-21, 2004, Porto, Portugal
  • P. Gruber: Experience with the installation and operation of multipath ultrasonic flow meters, Workshop on turbine flow measurement, HYDRO 2004, Oct. 18-21, Porto, Portugal

2002

  • P. Gruber, M. Gwerder, J. Tödtli: Modellprädiktive Regelung für Heizungsanwendungen, Bulletin Nr. 34 SGA (Schweizerische Gesellschaft für Automatik, Feb. 2002

2001

  • S. Kaldorf, P. Gruber: Performance Audit Tool PAT: an expert system for the detection and diagnosis of building underperformance, ASHRAE Conference, Atlantic City 2001
  • P. Gruber, J. Tödtli, M. Gwerder: Predictive Control for Heating Applications, CLIMA 2000, September 2001, Napoli, Italy

2000

  • S. Kaldorf, P. Gruber: Experience with an expert system for the detection and diagnosis of building underperformance, IEA Annex 34, Working paper AN/CH/120400/1.0, Liège, Belgien
  • P. Gruber, S. Kaldorf: Structure of a knowledge base used in an expert system for the detection and diagnosis of building underperformance, IEA Annex 34 working paper, April 2000 Liège, Belgium
  • S. Kaldorf, P. Gruber: Configuration data base for an expert system based tool for building underperformance detection and diagnosis, IEA Annex 34 Working paper, April 2000, Liège, Belgium
  • P. Gruber: Erfahrungen mit einem qualitativen modellbasierten Fehlerdetektor für zentrale Lüftungsanlagen, 11. Status-Seminar Energieforschung im Hochbau, ETH Zürich, 2000
  • P. Gruber: Case Studies, Section C Final report IEA Annex 34, 2000
  • P. Gruber: Breakout session on Commissioning of FDD tools, Final report Annex 34, 2000
  • P. Gruber: Breakout session on Commercial exploitation of FDD Tools, Final report Annex 34, 2000
  • P. Gruber: Fehlerdetektor für die Lüftung, Gebäudetechnik, Jahrgang 2, Heft 5, Sept. 2000
  • M. R. B. Breekweg, P. Gruber, O. Ahmed: Development of a generalized neural network model to detect faults in building energy performance – part I, ASHRAE Conference, Minneapolis, June 2000
  • M. R. B. Breekweg, P. Gruber, O. Ahmed: Development of a generalized neural network model to detect faults in building energy performance – part II, ASHRAE Conference, Minneapolis, June 2000
  • P. Riederer, D. Marchio, P. Gruber, J.C. Visier, R. Lahrech, A. Husaundee: Building zone modelling adapted to the study of temperature control systems, CIBSE Conference Sept 2000, Dublin
  • R. Lahrech, P. Riederer, P. Gruber: SIMTEST Project, WP4 report: Model Validation, Mai 2000
  • P. Gruber, J.C. Visier: SIMTEST: SIMulated models for TESTing control systems for Heating, Ventilation and Air Conditioning applications, RCT 2000, Adème, Sophia Antipolis, mars 7-9, 2000, France

1999

  • P. Gruber: Sensitivity of the qualitative model based fault detector to certain fault situations of a CAHU, IEA Annex 34: Working paper AN34/CH/140499 1.0 Fontainebleau, France
  • E. Dias, P. Gruber, C. Tainha: Fault injection experiments with the CAHU and the qualitative detector at Cergy near Paris, IEA Annex 34 Working paper AN34/CH/080999/1.0 Yokohama, Japan
  • P. Gruber: SIMTEST Project, WP1 report: Model Specifications, January 1999
  • P. Gruber, M. Gwerder, P. Sprecher, J. Tödtli: Prädiktiver Heizungsregler, Detaillierte Zwischenbilanz, Siemens L&S interner Report Februar 1999
  • P. Gruber, J. Tödtli: Prädiktive Einrichtung zum Regeln oder Steuern von Versorgungsgrössen, European Patent Application number 99115219, August 1999

1998

  • P. Gruber, Th. Bühlmann: “Detection of faults” of the fault detector: improvements of the qualitative model based fault detector scheme, IEA Annex 34,Working paper AN34/CH/060498/1.0 Loughborough, UK
  • P. Gruber, S. Kaldorf: Performance Audit Tool PAT: ein Expertensystem zur Detektion und Diagnose von Fehlverhalten von HLK-Anlagen in realen Gebäuden, 10. Status-Seminar Energieforschung im Hochbau ETH Zürich, 1998
  • P. Gruber, Th. Bühlmann: Analysis of first field results of the improved model based qualitative fault detector for a central air handling unit (CAHU), IEA Annex 34: Working paper AN34/CH/140998/1.0, Oulu, Finland

1997

  • S. Kaldorf, P. Gruber: Performance Audit Tool PAT: an expert system based tool for the detection and diagnosis of building underperformance, IEA Annex 34, Working paper AN34/CH/290997/1.0 Boulder, USA

1996

  • L. Fornera, A.S. Glass, P. Gruber, J. Tödtli: Qualitative fault detection based on logical programming applied to a variable air handling unit, Control Engineering Practice, Vol 4, no 1, p.105-116
  • M. Breekweg, P. Gruber: Modelling the energy consumption of buildings by means of neural networks, CESA 96 IMACS Symposium on Control, Optimisation and Supervision, Lille, July 1996, p.450-456
  • M. Breekweg, P. Gruber: Modellierung des Energieverbrauchs von Gebäuden mit Hilfe neuronaler Netze, 9. Status-Seminar Energieforschung im Hochbau, ETH Zürich, September 1996
  • P. Gruber, A.S. Glass: Steady state detection, IEA Annex 25 Building Optimisation and Fault diagnosis, Final Report 1996, Source Book, p.265-276
  • P. Gruber: Determination of the tuning parameters of the steady state detector for a central air handling unit (CAHU), IEA Annex 25, Final Report, Technical papers, p.703-719

1995

  • A.S. Glass, P. Gruber, J. Tödtli: Automatische Fehlererkennung in einer zentralen Luftaufbereitungsanlage mit qualitativen Methoden, VDI/VDE GMA Aussprachetag “Messignalverarbeitung und Diagnose, Langen, März 1995
  • P. Balsiger, P. Gruber: Echtzeit-Netzsignalanalyse basierend auf Kalmanfiltern, VDI/VDE GMA Aussprachetag “Messignalverarbeitung und Diagnose, Langen, März 1995
  • A.S. Glass, P. Gruber, M. Roos, J. Tödtli: Qualitative model based fault detection in air handling units, IEEE Control Systems Magazine, p.11-22. August 95

1994

  • A. Hansson, P. Gruber, J. Tödtli: Fuzzy anti-reset windup for PID controllers, Control engineering Practice, Vol 2, no 3, pp.389-396
  • A. Hansson, P. Gruber, J. Tödtli, P. Ries: Fuzzy anti-reset windup for heater control, 2nd IFAC Workshop on computer Software Structures Integrating AI/KBS Systems in Process Control, August 1994, Lund, Sweden, pp.141 -146
  • L. Fornera, A.S. Glass, P. Gruber, J. Tödtli: Qualitative fault detection based on logical programming applied to a variable air handling unit, 2nd IFAC Workshop on computer Software Structures Integrating AI/KBS Systems in Process Control, August 1994, Lund, Sweden, pp.229-240
  • A.S. Glass, P. Gruber, J. Tödtli: Automatische Erkennung von Fehlern in einer zentralen Luftaufbereitungsanlage mit qualitativen Methoden, 8. Schweizerisches Status-Seminar 1990, Energieforschung im Hochbau, EMPA -KWH, September 1994, ETH Zürich, S.189-196
  • A.S. Glass, P. Gruber, M. Roos, J. Tödtli: Preliminary evaluation of a qualitative model based fault detector for a central air handling unit, 1994 IEEE Conference on Control Applications, Glasgow
  • P. Gruber, J. Tödtli: Estimation of quasiperiodic signal parameters by means of dynamic signal models, IEEE TR on Signal Processing, Vol 42 (1994), no 3 March 94, pp.552-562
  • J. Tödtli, P. Gruber: Stochastic model for threshold evaluation in steady state fault detectors, Report AN25/CH/070494/1.0 of the Annex 25 “Real time simulation of HVAC systems for building optimisation, fault detection diagnosis” of the program “Energy Conservation in buildings and community systems”
  • P. Gruber: Determination of the tuning parameters of the steady state detector for a central air handling unit (CAHU), Report AN25/CH/070994/1.0 of the Annex 25 “Real time simulation of HVAC systems for building optimisation, fault detection diagnosis” of the program “Energy Conservation in buildings and community systems”
  • P. Gruber: Digitale Signalverarbeitung, Nachdiplomkurs ZTL Luzern 1994/1995

1993

  • K. Fort, P. Gruber, P. Hartmann, A. Weber: Forschungsbericht des Forschungsprogramms “Rationelle Energienutzung in Gebäuden”, des Bundesamtes für Energiewirtschaft: Optimaler Betrieb von Fussbodenheizungen, Oktober 1993
  • A. Hansson, P. Gruber, J. Tödtli: Fuzzy anti-reset windup for PID controllers, Proceedings of the 12th IFAC World Congress, Sydney, Australia, July 1993, Vol 10, pp.389-392

1992

  • P. Gruber, M. Barmettler: Anwendung von Oversampling-Verfahren zur Erhöhung der Auflösung digital erfasster Signale, Technisches Messen, Vol 59 (1992) 1, S.21-25
  • P. Gruber, M. Barmettler: Anwendung von Oversampling-Verfahren zur Erhöhung der Auflösung digital erfasster Signale, Technisches Messen, Vol 59 (1992) 2, S.69-75
  • P. Gruber, M. Barmettler: Anwendung von Oversampling-Verfahren zur Erhöhung der Auflösung digital erfasster Signale, Technisches Messen, Vol 59 (1992) 6, S.262-268
  • P. Gruber, M. Barmettler: Anwendung von Oversampling-Verfahren zur Erhöhung der Auflösung digital erfasster Signale, Technisches Messen, Vol 59 (1992) 7/8, S.312-319
  • K. Fort, P. Gruber, P. Hartmann, A. Weber: Optimaler Betrieb von Fussbodenheizungen, 7. Schweizerisches Status-Seminar 1990, Energieforschung im Hochbau, EMPA-KWH, September 1992, ETH Zürich
  • P. Gruber: A recursive least square approach with exponential weighting factor to short time Fourier analysis, ESIPCO 92, Brüssel, Belgien, August 92 pp.803-807
  • P. Balsiger, S. Ponta, L. Grisoni, A. Heubi, F. Pellandini, P. Gruber, J. Tödtli: A Kalman filter approach to power network signal analysis, URSI Int. Symposium on Signals, Systems and Electronics ISSE 92, Paris

1991

  • P. Gruber, M. Barmettler: Erhöhung der Auflösung digital erfasster Daten, Précision 2/91, S.38-45

1990

  • J. Tödtli, P. Gruber, B. Steinle: Neues Verfahren zum Einstellen der Heizkurve, *Précision, 6/90, S.25-28
  • J. Tödtli, P. Gruber, B. Steinle: Optimale Einstellung der Heizkurve, Schweizer Energiefachbuch, 1990
  • P. Bieri, P. Gruber: Vergleich verschiedener Regelstrategien für Bodenheizungen, 6. Schweizerisches Status-Seminar 1990, Energieforschung im Hochbau, EMPA-KWH, September 1990, ETH Zürich, S.129-136
  • P. Gruber, M. Barmettler: Erhöhung der Auflösung digital erfasster Daten, Précision Sonderausgabe 9/90, S.45-50
  • P. Gruber, M. Barmettler: Erhöhung der Auflösung digital erfasster Daten, Précision 10/90, S.33-37
  • P. Gruber, M. Barmettler: Erhöhung der Auflösung digital erfasster Daten, Précision 12/90, S.35-41

1989

  • P. Gruber, J. Tödtli: On the optimal thermal storage capability of a homogeneous wall under sinusoidal excitations, Energy and Buildings, Vol 13 (1989) pp.177-186

1988

  • P. Gruber, J. Tödtli: Vertieftes Verständnis der Wirkung von Böden und Wänden als Wärme- und Kältespeicher, 5. Schweizerisches Status-Seminar 1988 Energieforschung im Hochbau, EMPA-KWH, Oktober 1988, ETH Zürich, S.286-289
  • P. Gruber, J. Tödtli: A recursive estimator for the determination of unknown constant or slowly varying Fourier coefficients, EUSIPCO 88, European Signal Processing Conference: Theories and Applications, Grenoble, France, September 1988, pp.1433-1436

1987

  • J. Tödtli, P. Gruber, B. Steinle: Heizkurve einfacher einstellen, Sonnenenergie (Schweiz), Nr. 6, S.20-23
  • P.Gruber, T. Schaub, B. Steinle: Kontinuierliche Signale und Systeme: Darstellung und Analyse, Vorkurs zu Digitale Signalverarbeitung, LGZ Landis & Gyr Zug AG 1987
  • P. Gruber, T. Schaub, B. Steinle: Zeitdiskrete Signale und Systeme: Darstellung, Analyse und Synthese, Hauptkurs zu Digitale Signalverarbeitung, LGZ Landis & Gyr Zug AG 1987

1986

  • P. Gruber, A. Duppenthaler: Ein Simulator von polyvalenten Heizsystemen, 4. Schweizerisches Status-Seminar 1986 Energieforschung im Hochbau, EMPA-KWH, Oktober 1986, ETH Zürich, S.286-289
  • P. Gruber, J. Tödtli: Comparison of three simple estimators for the identification of an unknown, constant or slowly varying parameter, EUSIPCO 86, 3rd European Signal Processing Conference: Theories and Applications, Den Haag, Holland, September, 1986, pp.1017-1020
  • P. Gruber, J. Tödtli: Two decentralized temperature control strategies for multizone buildings, 4th IFAC/IFORS Symposium on Large Scale System Theory and applications, August 1986, Switzerland
  • P. Gruber et al: Mikroprozessorsteuerung für Gebäudeheizung, KWF Projekt der ETH Zürich, Sulzer und Landis & Gyr, Abschlussbericht, Juli 1986

1985

  • P. Gruber: 1/f noise generator, Noise in Physical Systems and 1/f noise, Rome 1985, pp.357-360
  • B. Steinle, P. Gruber: Comments on upper bounds on limit-cycles in digital filters of second order, Signal Processing 8 (1985), pp.415-422

1983

  • P. Gruber, J. Tödtli, P. Wehrli: Optimal loading strategies of a stratified storage with an electrically driven heat pump, MELECON (Mediterranean Electrotechnical Conference), Athens, May, 1983
  • P. Gruber, P. Wehrli: Stationary model of an electrically driven heat pump, MELECON, Athens, May, 1983

1982

  • P. Gruber, M.M. Bayoumi, Suboptimal control strategies for multilocomotive powered trains, IEEE-TR on Automatic Control Vol.27 (1982) no 6

1981

  • P. Gruber, B. Steinle: Modeling of data transmission channels on energy networks, 10th Conference on System modeling and Optimization, New York City, August 1981

1980

  • P. Gruber, M.M. Bayoumi: Partially decentralized control of throttling and braking of multilocomotive trains, 3rd International Symposium on large Engineering Systems, July 1980, Memorial University of Newfoundland
  • K. Wong, M.M. Bayoumi, P. Gruber: Throttle and brake control of multilocomotive powered long freight trains, 3rd International Symposium on large Engineering Systems, July 1980, Memorial University of Newfoundland
  • P. Gruber, M.M. Bayoumi: Reduced order model observer for state estimation in long freight trains, 2nd workshop on Control Applications of nonlinear Programming and Optimization, September 1980, Oberpfaffenhofen, BRD
  • P. Gruber, M.M. Bayoumi: Suboptimal control strategies for multilocomotive powered trains, IEEE Conference on Decision and Control, December 1980, Albuquerque, USA

1979

  • P. Gruber, M.M. Bayoumi: Train braking performance studies using suboptimal controllers, Part I, CIGGT (Canadian Institute of Guided Ground Transportation) Report 79-11
  • P. Gruber, M.M. Bayoumi: Train braking performance studies using suboptimal controllers, Part II, CIGGT Report 79-12
  • P. Gruber, M.M. Bayoumi: State estimation in long freight trains, CIGGT Report 79-21

1978

  • P. Gruber: Beitrag zum Problem der Bestimmung von Grenzzyklen in nichtlinearen abgetasteten Regelsystemen, Dissertation ETH Nr. 6199, 1978
  • P. Gruber: Limit cycles in nonlinear sampled data control systems, IFAC Weltkongress (International Federation of Automatic Control) 1978, Helsinki
  • M. Mansour, F. Kraus, P. Gruber: Lineare Regelungssysteme, Vorlesungsunterlagen ETH Zürich, 1978

1976

  • P. Gruber: The determination of limit cycles in nonlinear sampled data systems, JACC (Joint American Control Conference) 1976, Purdue USA