Rolf Ergon, Professor Emeritus, PhD
·
Professor Emeritus at the Department
of Electrical Engineering, Information
Technology
and Cybernetics, Faculty of Technology, Natural Sciences and
Maritime
Sciences, University College of Southeast Norway
· MSc from Chalmers University
of Technology, Sweden, 1965
·
PhD from the Norwegian University of
Science and Technology/Telemark University College,
Norway, 1999
· Email :
Rolf.Ergon@usn.no
· Tel :
+47 47 38 29 16
· Fax : +47 35 57 52
50
· Mail : Høgskolen i
Sørøst-Norge, P.O. Box 203, N-3901, Porsgrunn, Norway
Research interests:
·
Evolutionary biology and modeling
·
System identification and chemometrics/multivariate calibration
·
Dynamic system multivariate
calibration, e.g. product quality estimation based on information carried by
known process inputs and secondary process measurements
·
Process monitoring and control based
on product quality estimation.
Journal papers:
- Ergon
R (2018), The environmental zero-point problem in evolutionary reaction
norm modeling, Ecology and Evolution,
DOI: 10.1002/ece3.3929
- Ergon
T, R Ergon (2017), When three traits make a line: evolution of phenotypic
plasticity and genetic assimilation through linear reaction norms in
stochastic environments, Journal of
Evolutionary Biology, Vol. 30, 486-500 http://onlinelibrary.wiley.com/doi/10.1111/jeb.13003/full
- Ergon
R (2014), Comparison of simple projection methods (OPLS, PLSO, and TP) for
separation of predicting and non-predicting information in PLSR and PCR,
with focus on DA, Journal of Chemometrics,
Vol. 28, 805-813
- Ergon,
R. (2014), Principal component regression (PCR) and partial least squares
regression (PLSR), in Mathematical
and Statistical Methods in Food Science and Technology, Ed. D. Granato and G. Ares, Wiley Blackwell, Chichester UK
Arvoh BK, SAsdahl, K Rabe , RErgon and MHalstensen (2012), Online estimation of reject gas and liquid flow rates in compact flotation units for produced water treatment, Flow measurement and instrumentation, Vol24, 63-70 Gujral P, M Amrhein, R Ergon, BM Wise and D Bonvin (2011), On multivariate calibration with unlabeled data, Journal of Chemometrics, Vol 25/8, 456-465 - Ergon
R, M Halstensen and KH Esbensen (2011), Model
choice and squared prediction errors in PLS regression, Journal of Chemometrics, Vol. 25/6, 301-312
- Ergon
T, R Ergon, M Begon, S Telfer and X Lambin (2011), Delayed density-dependent onset of
spring reproduction in a fluctuating population of field voles, Oikos, Vol. 120/6, 934-940
- Ergon
R (2009), Informative score-loading-contribution
plots for multi-response process monitoring, Chemometrics and Intelligent
Laboratory Systems, Vol. 95/1, 31-34
- Ergon
R (2009), Re-interpretation of NIPALS
results solves PLSR inconsistency problem, Journal of Chemometrics, Vol.
23/2, 72-75
- Ergon R and K Homble (2008), Antall siffere
i stedsangivelser ved hjelp av GPS, Blyttia,
Årgang 66, 3/2008, 190-192
- Ergon
R (2007), Finding Y-relevant part
of X by use of PCR and PLSR model reduction methods, Journal of Chemometrics, 2007;
21: 537-546
- Ergon
R (2007), Modified Smith-predictor multirate control utilizing secondary process
measurements, Modeling, Identification
and Control, Vol. 28/1, 15-18
- Ergon
R (2006), Reduced PCR/PLSR models by
subspace projections, Chemometrics
and Intelligent Laboratory Systems, Vol. 81/1, 68-73
- Ergon
R (2005), Informative PLS score-loading plots for process understanding
and monitoring, Modeling, Identification and Control, Vol. 26/1,
23-37 (reprint from Journal of Process Control, see below)
- Ergon
R (2005), PLS post-processing by
similarity transformation (PLS+ST): A simple alternative to OPLS, Journal of Chemometrics, Vol. 19/1, 1-4
- Ergon
R (2004), Informative PLS score-loading
plots for process understanding and monitoring, Journal of Process Control, Vol. 14/8, 889-897
- Ergon
R (2003), Compression into two-component
PLS factorizations, Journal of Chemometrics, Vol. 17/6, 303-312
- Ergon
R (2003), Constrained numerical optimization of
PCR/PLSR predictors, Chemometrics
and Intelligent Laboratory Systems, Vol. 65/2, 293-303.
- Ergon
R (2002), Noise Handling Capabilities of
Multivariate Calibration Methods,
Modeling, Identification and Control, Vol. 23/4, 259-273
- Ergon
R and K.H. Esbensen (2002), PCR/PLSR optimization based on
noise covariance estimation
and Kalman filtering theory
, Journal of Chemometrics, Vol. 16/8, 401-407
- Ergon
R (2002), PLS score-loading
correspondence and a bi-orthogonal factorization, Journal of Chemometrics, Vol.
16/7, 368-373
- Ergon
R and KH Esbensen (2001), A didactically motivated PLS
prediction algorithm, Modeling, Identification
and Control, Vol. 22/3, 131-139
- Ergon
R and M Halstensen (2001), Dynamic system multivariate
calibration based on multirate sampling data, Modeling, Identification and Control, Vol. 22/2, 73-88
- Ergon
R and M Halstensen (2000), Dynamic system multivariate
calibration with low-sampling-rate y data, Journal of Chemometrics, Vol.
14/5-6, 617-628
- Ergon
R (1999), On primary output estimation by
use of secondary measurements as input signals in system identification, IEEE Transactions on Automatic Control, Vol. 44/4, 821-825
- Ergon
R (1998), Dynamic system multivariate calibration, Chemometrics
and Intelligent Laboratory Systems, Vol. 44, 135-146
- Ergon
R (1998), Dynamic system calibration: The low primary output sampling rate
case, Modeling, Identification and Control, Vol. 19/2, 99-107
- Ergon
R (1998), Dynamic system multivariate calibration by system identification
methods, Modeling, Identification and Control, Vol. 19/2, 77-97
Conference Proceedings:
- Ergon
R (2005), Informative score-loading-contribution plots for multi-response
process monitoring, in Progress in Chemometrics
Reseach, Ed. Alexey L. Pomerantsev,
Nova Science Publishers, Hauppauge
NY, ISBN 1-59454-257-0
- Ergon
R (2004), Informative score-loading-contribution plots for multi-response
process monitoring
- Ergon
R (2001), Modified Smith-predictor Multirate
Control Utilizing Secondary Process Measurements, Proc. International
Carpathian Control Conference, ICCC'2001, University of Mining and
Metallurgy, Cracow, Poland
- Ergon
R and JO Wilhelmsen (2000), Identification of
primary output estimators for multirate systems,
Proc. 14th International Conference on Systems Engineering, ICSE 2000,
Coventry University, UK
- Ergon
R, D Di Ruscio, KH Esbensen,
ST Hagen (2000), Estimation, system identification and chemometrics,
Proc. International
Conference on Engineering Education,
ICEE2000,
Taiwan
- Hauge TA, R Ergon, GO Forsland, R Slora, and B Lie
(2000). Modeling, Simulation and Control of Paper Machine Quality
Variables at Norske Skog Saugbrugs, Norway,
Proc. PIRA conference "Scientific & Technological Advances in
the Measurement & Control of Papermaking", December 11-12,
2000, Edinburgh, UK.
- Ergon
R and D Di Ruscio (1997), Dynamic system calibration by
system identification methods,
Proc. Fourth European Control Conference (EEC'97), Brussels, Belgium, CD-ROM
PhD thesis:
- Ergon
R (1999), Dynamic System Multivariate Calibration for Optimal Primary
Output Estimation, Ph.D. thesis, Norwegian University of Science and
Technology/Telemark University College, Norway
Review assignments:
- IEEE Transactions on Automatic Control
- IEEE Transactions on Education
- Journal of Chemometrics
- Journal of Process Control
- Chemometrics and Intelligent
Laboratory Systems
- Industrial & Engineering Chemistry
Research
Previous positions:
- 1965-66
Central Institute of Industrial Research, Oslo, Norway (industrial systems
research)
- 1966-68
The Boeing Company, Seattle, USA (staff position as research engineer)
- 1968-72
AB Bofors, Karlskoga,
Sweden (development of weaponry systems)
- 1972-83
Telemark College of Engineering (lecturer)
- 1984-88
Telemark College of Engineering (rector)
- 1988-03 Telemark University College (associate professor)
- 2003-04
Telemark University College (professor and head
of department)