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Chair of Process Dynamics and Operations


Hauptinhalt - Intranet

DYN at CAO 2015

CAO2015 photo 

Simon Wenzel attended the 16th IFAC Workshop on Control Applications of Optimization (CAO) 2015 in Garmisch-Partenkirchen. He presented his research within the MOBOCON project in an oral presentation.

Wenzel, S., Gao, W., and Engell, S., "Handling Disturbances in Modifier Adaptation with Quadratic Approximation" , Oct. 7th, 2015, Garmisch-Partenkirchen, Germany


DYN at NMPC 2015


Radoslav Paulen and Sankar Subramanian attended the 5th international conference on Nonlinear Model Predicitive Control (NMPC) in Sevilla, Spain from 17th to 20th September 2015. They both delivered an insight into their research and were presented with an oral presentation and with a poster.

S.A. Shahidi, R. Paulen, S. Engell „Two-layer Hierarchical Predictive Control via Negotiation of Active Constraints”

S. Subramanian, S. Lucia, S. Engell. „Adaptive Multi-Stage Output Feedback NMPC Using the Extended Kalman Filter for Time Varying Uncertainties Applied to a CSTR”


MOBOCON Symposium on Optimization and Control of Uncertain Systems

On the occasion of the 25th Anniversary of the Process Dynamics and Operations Group, we will organize a symposium on


15.09.2015 – 16.09.2015

Harenberg City Center, Dortmund, Germany

Presentations will be given by internationally renowned researchers in the field, representatives of industry, and past and current researchers of the dyn group.

The symposium will start at 9.30 on Tuesday, Sept. 15 and end at around 16 hrs on Wednesday, Sept. 16. It will include a dinner with entertainment on the 18th floor of the HCC building with a magnificent view over Dortmund. For more information click here.

DYN at FOSBE 2015


Lukas Hebing and Sven Wegerhoff attended the 5th international conference  of system biology in Boston, U.S.A. from the 10th to 12th of August, 2015. Lukas Hebing and Sven Wegerhoff delivered an insight into their research and were represented each with a poster.

L. Hebing , T. Neymann (Bayer Technology Services GmbH, Leverkusen, Germany), T. Thüte (Bayer HealthCare AG, Wuppertal, Germany), A. Jockwer (Bayer HealthCare AG, Wuppertal, Germany) and S. Engell „An efficient modelling procedure for  the generation of bioprocess models with adaptable complexity”

S. Wegerhoff and S. Engell. „Simulation of the aerobic growth of Saccharomyces cerevisiae during fed batch fermentation by dynamic flux balance analysis”


DYN researchers receive a poster award at Chinese Process Control Conference 2015

gao award ccc

Dr. Weihua Gao attended the Chinese Process Control Conference 2015 in Nanchang, China, held from 31th July to 3rd August 2015. He received a poster award for the presentation of the paper:

W. Gao, S. Wenzel, S. Engell "Integration of Gradient Adaptation and Quadratic Approximation in Real-Time Optimization"

gao ccc


Prof. Sebastian Engell gave a plenary talk at the Chinese Process Control Conference 2015


Prof. Sebastian Engell gave a plenary talk on the topic  of „Model-based control and optimization with imperfect models“ at the Chinese Process Control Conference in Nanchang, China, on August 1, 2015. Before the conference,  he visited the Hongkong University of Science and Technology (HKUST) to discuss the student exchange between TU Dortmund and HKUST and together with Prof. Sigurd Skogestad from NTU, Trondheim, the second international plenary speaker visited two labs of Prof. Furong Gao from HKUST on the Chinese mainland. These were a joint lab of Prof. Gao with the company Fuda in Shenzhen where new controllers for injection molding machines are being developed and the HKUST Fok Ying Tung Research Institute in Nansha near Guangzhou.

A special challenge was to eat spaghetti from a noodle soup with chop sticks on the high speed train from Guangzhou to Nanchang.


Photo: Profs. Furong Gao (HKUST), Sigurd Skogestad (NTU Trondheim), Sebastian Engell, Joe Qin (Chinese University of Hongkong, Shenzhen)


DYN at ECC 2015


Sebastian Engell, Sankaranarayanan Subramanian, Lukas Maxeiner and Weihua Gao participated at the 14th annual European Control Conference held in Linz, Austria from 15th to 17th July 2015 teil. Our chair was presented with following contributions:

Weihua Gao, Simon Wenzel, Sebastian Engell “Modifier Adaptation with Quadratic Approximation in Iterative Optimizing Control”

Goran Stojanovski, Lukas Maxeiner, Stefan Krämer, Sebastian Engell “Real-time Shared Resource Allocation by Price Coordination in an Integrated Petrochemical Site”

Sankaranarayanan Subramanian,  Sergio Lucia, Sebastian Engell “Handling Structural Plant-model Mismatch via Multi-stage Nonlinear Model Predictive Control

Ruben Marti, Sergio Lucia, Daniel Sarabia, Radoslav Paulen, Sebastian Engell, Cesar de Prada "An Efficient Distributed Algorithm for Multi-Stage Robust Nonlinear Predictive Control"


DYN at ROCOND 2015

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Radoslav Paulen und Sankaranarayanan Subramanian participated at the 8th IFAC Symposium on Robust Control Design held in Bratislava, Slovakia from 8th to 11th July 2015. Sankaranarayanan Subramanian presented the results of his research in the oral presentation:

S. Subramanian, S. Lucia, R. Paulen, S. Engell. "Robust Output Feedback NMPC with Guaranteed Constraint Satisfaction"


Summerschool besucht die Fa. Intravis GmbH

Visit at Intravis

19.06. - Im Rahmen der Summerschool fand eine Exkursion zur Firma Intravis GmbH in Aachen statt, an der auch Studierende der Fakultät BCI teilgenommen haben. Die Führung vor Ort leitete Dr. Martin Hüfner, ehemaliger Mitarbeiter des Lehrstuhls Systemdynamik und Prozessführung und nun Beschäftigter der Intravis GmbH. Die Mitarbeiter der Firma gaben detaillierte Einblicke in die Entwicklungsabteilung und Produktion von optischen Hochgeschwindigkeits-Qualitätserfassungssystemen für die Kunststoff-Verpackungsindustrie und rundeten den Besuch mit Gesprächen mit dem Geschäftsführer und der technischen Leitung ab. Besonders eindrucksvoll empfanden die Studierenden die Demonstration der Funktionsweise und die Bearbeitungsgeschwindigkeit der vorgeführten Systeme.




DYN at ACC 2015

acc sakthi

Process Dynamics and Operations Group was represented by Sakthi Thangavel at the American Control Conference (ACC 2015) which took place at the Hilton Palmer House from July 1, 2015 to July 3, 2015 in Chicago. The research results were presented at an oral presentation:

Sakthi Thangavel, Sergio Lucia, Radoslav Paulen, Sebastian Engell , "Towards Dual Robust Nonlinear Model Predictive Control: A Multi-stage Approach"


DYN at CONSENS project meeting

consens cagliari An EU-funded project under Horizon 2020 research,  CONSENS “Integrated Control and Sensing for Sustainable Operation of Flexible Intensified Processes” (www.consens-spire.eu) , coordinated by Manuel Pereira Remelhe, Bayer Technology Services GmbH, held a meeting in Cagliari on June 24, 2015. 25 European industrial and academic experts from the domains of process industries, sensor technologies, automation, and systems engineering met to discuss the state of the art and future developments in the intensified synthesis of continuous process. Professor Sebastian Engell and the researchers from DYN chair, Fabian Schweers, Sakthi Thangavel and Thilo Goerke attended the meeting.



PhD. examination of Christian Schoppmeyer

christian schoppmeyer promotion

Christian Schoppmeyer has successfuly defended his dissertation thesis on 30.07.2015. The topic of his thesis was Reactive Scheduling Using Timed Automata Models and Integration with Sequential Control Logic.


Photo: Christian Schoppmeyer nach der erfolgreichen mündlichen Prüfung mit seiner Prüfern Prof. Sadowski (l.), Prof. Vaandrager (2. f. l.), Prof. Schembecker (3. f. l.),  Prof. Wichmann (2. f. r.) und Prof. Engell (r.).


DYN at ADCHEM 2015

ADCHEM2015 news 

Process Dynamics and Operations Group was represented by Reza Hashemi, Sankaranarayanan Subramanian, Simon Wenzel and Sergio Lucia at the International Symposium on Advanced Control of Chemical Processes (ADCHEM 2015) that took place on June 7-10, 2015 in Whistler, Canada. The following results of the research were presented.

Weihua Gao, Simon Wenzel, Sebastian Engell , "Comparison of Modifier Adaptation Schemes in Real-Time Optimization"
Reza Hashemi, Ricardo Schilling, Sebastian Engell, " Optimizing Control of a Tubular Polymerization Reactor: Comparison of Single Shooting and Full Discretization"
Sankaranarayanan Subramanian, Sergio Lucia, Sebastian Engell, " Economic Multi-stage Output Feedback NMPC using the Unscented Kalman Filter"
Sergio Lucia, Sebastian Engell, "Potential and Limitations of Multi-Stage Nonlinear Model Predictive Control"

Reza Hashemi, Sankaranarayanan Subramanian and Sergio Lucia have also received the prizes for the best oral presentation in their sessions.

adchem rezaadchem sankaradchem sergio


A New Platform for Robust Nonlinear MPC Available Online

logo v1

DO-MPC proposes a new, modularized implementation and testing support for optimal control schemes based on  MPC approaches. The goal of this software project is to offer a simple to use and efficient platform, that allows users to define and test their  problems very fast and trouble-free. In most cases, such implementations are highly complex and cumbersome, requiring considerable coding effort that only produces hardcoded solutions for each individual test case. With DO-MPC we propose a generalized approach based on simple templates  that can be edited for each individual problem. A robust and time efficient core module combines everything together automatically, such that the coding effort is reduced drastically. Taking advantage of state of the art third party software, DO-MPC  is able to handle a wide variety of problems, making even large systems real time feasible.

The DO-MPC software is Python based and works therefore on any OS with a Python 2.7 distribution. DO-MPC has been developed at the DYN chair by Sergio Lucia, Alexandru Tatulea and Sebastian Engell and it can be downloaded FREE here. Please check this page for further information and example code from the developers.


DYN at PSECAPE Forum 2015


Professor Sebastian Engell and the researchers from DYN chair, Marc Kalliski, Weihua Gao, Shaghayegh Nazari and Thilo Goerke, participated at the PSE 2015/ESCAPE 25 conference held between 31th May and 4th June 2015 in Copenhagen, Denmark. The chair was presented with the presentations on following topics:
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 M. Kalliski, D. Krahé, B. Beisheim, S. Krämer, S. Engell. "Resource efficiency indicators for real-time monitoring and optimization of integrated chemical production plants"
G. Stojanovski, V. Rostampour, S. Krämer and S. Engell. “Price based coordination for shared resource allocation in an integrated petrochemical site”
S. Nazari, C. Sonntag, G. Stojanovski, S. Engell. “A Modelica-based Modeling and Simulation Framework for the Distributed Management of Large-scale Processing Systems”
W. Gao, S. Wenzel, S. Engell. “A reliable modifier adaptation strategy for real time optimization”
T. Goerke, S. Engell. "Analysis of the transfer of radical co-polymerization systems from semi-batch to continuous plants"
C. Schoppmeyer, C. Sonntag, S. Gajjala, S. Engell. "Optimal Management of Shuttle Robots in a Laboratory Automation System of a Cement Plant"
H. Hadera, P. Wide, I. Harjunkoski, J. Mäntysaari, J. Ekström, G. Sand, S. Engell. "A Mean Value Cross Decomposition Strategy for Demand-side Management of a Pulping Process"
R. Hashemi, R. Schilling, S. Engell. "Comparison of two different implementations of optimizing control for a continuous polymerization process in a tubular reactor with side injections"
T. Siwczyk, S. Engell. "Solution of two-stage stochastic scheduling problems by stage decomposition and ordinal optimization"
M. Jelemenský, A. Sharma, R. Paulen, M. Fikar. "Time-optimal Operation of Diafiltration Processes in the Presence of Fouling"


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