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Chair of Process Dynamics and Operations

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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"

 

A New Platform for Robust Nonlinear MPC Available Online

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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:
escape15 foto

 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"

 

DYN at Campuslauf 2015


dyn cam lauf2015 The members of our chair took part at the 31st Campuslauf 2015 organized traditionally at TU Dortmund. They competed in the category "Best dressed team" with an impersonation of Minions characters. We are proud of the team and grateful to them for the representation of our chair.

 

DYN at CAPE Forum 2015

cape forum

The research assistant Jochen Steimel participated at the CAPE Forum 2015 held between 27th and 29th of April in Paderborn and presented his work in the oral presentation “FSOpt - A tool for generating and optimizing models in early-phase process synthesis under uncertainty“. CAPE FORUM belongs to a series of conferences organized under the auspices of the Computer Aided Process Engineering (CAPE) Working Party of the European Federation of Chemical Engineers (EFCE). The conference has a particular format allowing an exchange of cutting edge concepts between young and established researchers. Among others, ideas and methods toward intensification of process engineering will be the focus of CAPE FORUM 2015, covering new technologies, increasing importance of renewable resources and energy efficiency.

 

DYN at HPSC 2015

IMG 6094s

Process Dynamics and Operations Group was represented by Professor Sebastian Engell, Radoslav Paulen and Sankaranarayanan Subramanian at the 6th International Conference on High Performance Scientific Computing that took place on March 16-20, 2015 in Hanoi, Vietnam. Professor Engell organized a minisymposium at the event entitled "Robust Model Predictive Control".

Radoslav Paulen and Sankaranarayanan Subramanian presented the results of their research with the presentations:

R. Paulen, S. Engell. "Design of Guaranteed Extended Kalman Filter Using Set Inversion Techniques"

S. Subramanian, S. Lucia, S. Engell. "Economic Multi-stage Output Feedback Nonlinear Model Predictive Control Based on the Innovations Sampling Using Unscented Kalman Filter"

 

DYN at MATHMOD 2015

mathmod_logo

Shaghayegh Nazari, research associate of the chair, participated at the 8th Vienna International Conference on Mathematical Modelling (MATHMOD 2015) in Vienna from 18th to 20th February. The chair was represented by an oral presentation “A Modelica-based Modeling and Simulation Framework for Large-scale Cyber-physical Systems of Systems” (S. Nazari, C. Sonntag, S. Engell).

 

DYN at CDC 2014

Sergio Lucia, research associate of the chair, participated at the 53rd IEEE Conference on Decision and Control held in Los Angeles (USA) from 15th to 17th of December. The chair was represented by an oral presentation “Multi-stage Nonlinear Model Predictive Control with Verified Robust Constraint Satisfaction” (S. Lucia, R. Paulen, S. Engell).

 

DYN Doctors of 2014

Year 2014 was very fertile for new doctors graduating at the Chair of Process Dynamics and Operations. Our colleagues, Gaurang Shah, Ehsan Nabati, Martin Hüfner, Stephan Fisher, and Sergio Lucia successfully defended their PhD theses. The members of the chair would like to congratulate them, express their gratitude for their work and friendship, and wish them many successes in their future career steps.

 

promo gaurang shah

Gaurang Shah: „Bridging Model Predictive Control and Robust Linear Control Theory”

Thesis supervisor: Prof. Sebastian Engell

Thesis reviewer: Prof. Miroslav Fikar (Slovak University of Technology in Bratislava)

promo ehsan nabati

Ehsan Gohlamzadeh-Nabati: „Data-driven Adaptive Robust Control Based Upon Unfalsified Control”

Thesis supervisor: Prof. Sebastian Engell

Thesis reviewer: Prof. Olaf Stursberg (University of Kassel)

promo martin huffner

Martin Hüfner: „A model-driven Methodology for Tool Supported Design of Automated Systems“

Thesis supervisor: Prof. Sebastian Engell

Thesis reviewer: Prof. Alexander Fay (Helmut Schmidt University)

promo stephan fischer

 Stephan Fischer: „Entwurf und Verifikation von Ablaufsteuerungen“

Thesis supervisor: Prof. Sebastian Engell

Thesis reviewer: Prof. Ulrich Epple (RWTH Aachen)


 

promo sergio lucia

Sergio Lucia: „Robust Multi-stage Nonlinear Model Predictive Control“

Thesis supervisor: Prof. Sebastian Engell

Thesis reviewer: Prof. Lorenz T. Biegler (Carnegie Mellon University)

 

Intern from the Eindhoven University of Technology

yorrick vissers Yorrick Vissers, a master student at the TU Einhoven visited the Chair of Process Dynamics and Operations. He spent three months, from September 2014 to December 2014, within our group. During this time, he worked on an optimization framework for distributed management in the scope of the European project DYMASOS.
 

Congratulations to Professor Ignacio E. Grossmann

ignacio_grossmann

The Chair of Process Dynamics and Operations would like to congratulate Professor Ignacio E. Grossmann on his 65th birthday wishing him many successes in the years to come. On this occasion, Elsevier journal Computers and Chemical Engineering published a special issue entitled "A Tribute to Ignacio E. Grossmann".

Professor Ignacio E. Grossmann, an academic son of Professor Roger Sargent from Imperial College, is a highly influential and leading researcher in process systems engineering. His research over the last forty years have had a unique influence and un-parallel impact in defining, shaping and substantially advancing process systems engineering to a key mainstream scientific engineering field of its own. Among many received awards and honors, Professor Grossmann became a Doctor in Engineering Honoris Causa at the TU Dortmund in 2012.

 

Ignacio E. Grossmann as speaker at the colloquium at the occasion of 20th anniversary of DYN chair  
 

Joint Workshop of the European Projects CPSoS and DYMASOS

Two EU-funded FP7 projects DYMASOS “Dynamic management of physically coupled systems of systems” www.dymasos.eu and CPSoS “Towards a European Roadmap on Research and Innovation in Engineering and Management of Cyber-Physical Systems of Systems” www.cpsos.eu , both coordinated by Prof. Sebastian Engell, Head of the Process Dynamics and Control Group, held a joint public workshop in Zürich on Oct. 1, 2014. 29 European industrial and academic experts from the domains of process industries, smart grids, smart cities, automation, and systems engineering met at ETH Zürich to discuss the state of the art and future developments in the engineering and operation of physically connected cyber physical systems of systems. More information.
 

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