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Professur Regelungstechnik und Systemdynamik
Regelungstechnik und Systemdynamik

News

ACSD lab as a member of the new research project KIN-TUC

  • 2019/07/15:   Our ACSD lab is part of the new research project "Aufbau eines universitätsweiten Kooperationsnetzwerks Künstliche Intelligenz am Beispiel Ambient Assisted Living" (KIN-TUC). The aim of the group is it, to mitigate the consequences of ageing through artificial intelligence. More information can be found here.

Invited Guest: Prof. Peter Protzel, TU Chemnitz

  • 2019/07/03:   Prof. Dr.-Ing. Peter Protzel (TU Chemnitz) will give a talk on Sind wir bald da? Autonomes Fahren, Maschinelles Lernen und KI - (Ernüchternde) Einblicke zum Stand der Forschung at 3:30 pm in 2/W040. Everybody is heartily invited. An overview over all past and future seminars can be found here.

New project CUBES Circle

  • 2019/06/27:   Starting in 2019, several members of the ACSD lab will be working on Control of closed energy and mass flow of a high complex production system. The lab will closely collaborate with several industrial and academic partners. Further information can be found either here or here. An overview over our projects can be found here.

Invited Guest: Dr.-Ing. Sören Weinrich, Deutsches Biomasseforschungszentrum

  • 2019/06/12:   Dr.-Ing. Sören Weinrich (Deutsches Biomasseforschungszentrum) will give a talk on Model-based control for demand-oriented power supply of anaerobic digestion plants at 3:30 pm in 2/W185. Everybody is heartily invited. An overview over all past and future seminars can be found here.

Invited Guest: Prof. Oliver Sawodny, University of Stuttgart

  • 2019/05/08:   Prof. Dr.-Ing. Dr. h. c. Oliver Sawodny (University of Stuttgart) will give a talk on System Dynamic Methods for Optimization in Electric Vehicles at 3:30 pm in 2/W020. Everybody is heartily invited. An overview over all past and future seminars can be found here.

Final symposium of the Chemnitz junior research group SyNErgIt

  • 2019/04/24:   The final symposium of the Chemnitz junior research group SyNErgIt once again brought together experts on the topic Synergetic use of energy and information technology at Chemnitz University of Technology. More information can be found here.

Invited Guest: Prof. Jean Lévine, MINES ParisTech

  • 2019/04/11 - 2019/04/18:  From April 11th to 18th, Prof. Jean Lévine (MINES ParisTech) will visit our lab and gives a talk on An introduction to flatness with emphasis on computational aspects at 3:30 pm in 2/W017. Everybody is heartily invited. An overview over all past and future seminars can be found here.
    Furthermore, he will give a short course on Differential flatness on 2019/04/15 from 12 a.m. to 4 p.m. and on 2019/04/17 from 9 a.m. to 1 p.m. in 2/W168.

Head of the LAB, Prof. Streif, becomes the Dean of the Faculty

GAMM-Fachausschuss at the TU Chemnitz

  • 2019/03/25 - 2019/03/26:  The GAMM-Fachausschuss/Activity Group of the GAMM (International Association of Applied Mathematics and Mechanics) will be held from at 25th and 26th march 2019 at the Technische Universität in Chemnitz and will be organized by our professorship. Further information can be found here.

Two new team members: Alexander Kobelski and Fritjof Griesing-Scheiwe

  • 2019/03/11:   The professorship warmly welcomes its new team members, Alexander Kobelski and Fritjof Griesing-Scheiwe.
    Alexander studied Electrical Engineering in Chemnitz. His Master thesis was on modeling and control of fungal growth. He will strengthen our team on the research topics Modeling and optimal control for biotechnological processes for food production.
    Fritjof studied Technical Cybernetics and Systemtheory at the Ilmenau University of Technology. His Master thesis was on Irregularly sampled data in the design of a soft sensor system .

Visiting Researcher Ngoc Thinh Nguyen

  • 2019/01/13:   Ngoc Thinh Nguyen, M.Eng., from the INP Grenoble (Prof. Ionela Prodan's group) visits the ACSD lab to work on hierarchical fault tolerant control.

New guest lecturer Dr. Gernot Herbst

  • 2019/01/08:   Dr.-Ing. Gernot Herbst, who works at SIEMENS, joins the group as a guest lecturer. He will give a course on Digital Control in 2/W065 at 3:30pm starting at 2019/01/08. More information can be found here.

New project in fuel cell technology

  • 2019/01/01:   Starting in early 2019, several members of the ACSD lab will be working on model-based, adaptive and robust control for fuel cells in hybrid cars. The lab will take a leading role and will closely collaborate with several industrial and academic partners. Further information can be found either here or here

Two new projects in the area of agriculture

  • 2019/01/01:   The ACSD group successfully acquired two new research projects dealing with optimal control and machine learning.
    In the first project, control methods for optimal fertilization of farm land will be investigated in a large consortium with various partners from all over Germany.
    In the second project, starting in 2019, machine learning will be used for state-dependent soil irrigation and fertilization of cultivated plants.

Contributions to the Conference on Decision and Control 2018

  • 2018/12/17 - 2018/12/19:  The ACSD Lab will present two papers on the Conference on Decision and Control to be held in Miami Beach on December 17th-19th. New research results in the area of constructive analysis of control systems and hierarchical MPC will be presented.

Invited Guest: Prof. Lars Grüne (University of Bayreuth)

  • 2018/12/12:   Prof. Dr. Lars Grüne (University of Bayreuth) will give a talk on Computing nonsmooth control Lyapunov functions on a grid at 1:45 pm in 2/N001. Everybody is heartily invited. An overview over all past and future seminars can be found here.

New project: NitraMon

  • 2018/12/07:   Our group is involved in the junior research group NitraMon promoted by ESF, in which an autark sensor network is developed for a better ground water quality. Among other things, we are responsible for fault diagnosis and system theoretic analysis. More information can be found here.

Invited Guest: Prof. Klaus Röbenack (TU Dresden)

  • 2018/12/05:   Prof. Dr.-Ing. habil. Dipl.-Math.Klaus Röbenack (TU Dresden) will give a talk on Lösung regelungstechnischer Probleme mittels Quantorenelimination at 3:30 pm in 2/W021. Everybody is heartily invited. An overview over all past and future seminars can be found here.

Invited Guest: Prof. Christian Ebenbauer (University of Stuttgart)

  • 2018/11/07:   Prof. Dr.-Ing. Christian Ebenbauer (University of Stuttgart) will give a talk on To commute or not to commute? The role of geometric control in optimization algorithms at 2:15 pm in 2/W014. Everybody is heartily invited. An overview over all past and future seminars can be found here.

Master thesis defense: Model Predictive Path Following Control for Highly Automated Driving

  • 2018/10/10:   Mr. Richard Linßen defends his master's thesis on the topic Model Predictive Path Following Control for Highly Automated Driving. The research was conducted in cooperation with IAV Automotive Engineering

New course Advanced Control Methods

  • 2018/10/08:   Our new course Advanced Control Methods (ACM) will be held in the winter semester 2018/19. The course covers topics such as robust control and LMIs.

Two new team members: Franz Rußwurm and Lukas Munser

  • 2018/10/08:   The professorship warmly welcomes its new team members, Franz Rußwurm and Lukas Munser.
    Franz studied Mathematics at the Ilmenau University of Technology. His Master thesis was on Motion principles on the example of the nonholonomic robot. He will strengthen our team on the research topics Nonlinear and optimal control.
    Lukas studied Electrical Engineering in Chemnitz. His Master thesis was on Identification and Aggregation of Dynamic Behavior based on Kernel Methods. He will strengthen our team on the research topics Learning-based methods for nonlinear control.

Research results of the ACSD-lab raised attention of international press

  • 2018/10/02:   An article on constructive control theory appeared at phys.org and EurekAlert!.org. Among general things like logical background for control, the article discusses the professorship's recent publication on the constructive analysis of Caratheodory's theorem on existence of system trajectories of discontinuous dynamical systems.

Contributions to the Conference SAFEPROCESS 2018

  • 2018/08/29 - 2018/08/31:  The ACSD Lab will present a collaborative paper on the 10th IFAC Symposium on Fault Detection, Supervision and Safety for Technical Processes, SAFEPROCESS, to be held in Warsaw, Poland on August 29th-31st. New research results in the area of hierarchical fault tolerant control will be presented by Assoc. Prof. Florin Stoican from the Polytechnical University Bucharest.

Master thesis defense: Identification based on Kernel Methods by Lukas Munser

  • 2018/08/28:   Mr. Lukas Munser defends his master thesis on the topic Identification and Aggregation of Dynamic Behavior based on Kernel Methods.

Master thesis defense: Model Identification in PEM Fuel Cell Systems by Henrik Rudolf

  • 2018/08/27:   Mr. Henrik Rudolf defends his master thesis on the topic Identification of the Thermal Behavior of Components in a Cathode Path of a PEM Fuel Cell using a LPV Model. This thesis was done in cooperation with the professorship Advanced Powertrains at the TUC.

Contributions to the Conference on Nonlinear Model Predictive Control 2018

  • 2018/08/19 - 2018/08/22:  The ACSD Lab will present a paper on the Nonlinear Model Predictive Control Conference to be held in Madison on August 19th-22nd. New research results in the area of adaptive dynamic programming will be presented.

Research project defense: Machine Learning for Predictive Maintenance by Sina Nahvi

  • 2018/07/04:   Mr. Sina Nahvi defended his research project on the topic Maschinelles Lernen für prädiktive Instandhaltung. The project was done in cooperation with Volkswagen Sachsen GmbH.

Upcoming new project: CUBES Circle

  • 2018/06/26:   In a highly competitive process over the last two years, a project called CUBES Circles was selected for possible funding by the BMBF within the call "Agricultural systems of the future". In the project, several partners from academia and industry from Germany will be working together. The project is supposed to start in 2019 and will be coordinated by the Humboldt University Berlin. The ultimate goal of the project is to couple the resource and energy flows between different food production units to achieve resource and energy efficiency of the overall system. The Automatic Control and System Dynamics Lab at the TU Chemnitz will have a central role and will be responsible for the optimal control and scheduling of the flows between the coupled agricultural production systems.

Invited Guest: Karl Worthmann (TU Ilmenau)

  • 2018/06/18 - 2018/06/19:  Prof. Dr. Karl Worthmann is visiting our professorship on June 18-19, 2018. He conducts scientific discussions with the professorship staff and gives a lecture on suboptimality bounds of model-predictive control without stabilizing constraints. Prof. Worthmann is an expert in optimal control and nonlinear systems. He is also a project partner in KONSENS.

Contributions to the European Control Conference 2018

  • 2018/06/12 - 2018/06/15:  The ACSD Lab will present two papers on the European Control Conference, which takes place in Cyprus on June 12th-15th. New research results in the area of optimal and predictive control will be presented by Mr. Petzke and Mr. Beckenbach.

Invited guest: Didier Henrion talks about Polynomial optimization for dynamical systems

  • 2018/05/03:   We are happy to have Prof. Didier Henrion from the LAAS-CNRS, University of Toulouse and the Czech Technical University in Prague as a guest in our lab. He will give a talk on Lasserre's hierarchy in polynomial optimization and special application to differential equations.

New team member: Patrick Schmidt

  • 2018/04/09:   The professorship warmly welcomes its new team member, Patrick Schmidt. Patrick studied Engineering Cybernetics and Systems Theory at the Ilmenau University of Technology. His Master thesis was on stochastic optimal control. He will strengthen our team on the research topics: Nonlinear Control and System Identification.

New Course: Dynamics and Control of Networked Systems

  • 2018/04/03:   The lab for Automatic Control and System Dynamics like to announce its new summer term course on the theory of Dynamics and Control of Networked Systems see DCNS. Within the course the state of the art approaches to control networked system and their applications in ongoing research projects e.g. KONSENS will be treated.

New Course: Complex Systems

  • 2018/04/03:   The lab presents its new summer term seminar course on Complex Systems see CSS. Within the course we focus on methods of analysis, control and identification of complex networked systems from selected application areas, e.g. Energy systems, process engineering, automation systems, agricultural engineering and mechatronics.

Master thesis defense: Control concepts for electric drives by Sutida Kerdsuwan

  • 2018/03/13:   Mrs. Sutida Kerdsuwan will defend her master thesis on the topic "Design and implementation of control concepts for multiphase electric drives". The thesis was done at the company BOSCH.

Bachelor thesis defense: Optimal control using barrier functions by Michael Hauck

  • 2018/03/13:   Mr. Michael Hauck will defend his bachelor thesis on the topic Zeitkontinuierliche Optimalsteuerung unter Verwendung relaxierter Barrierefunktionen.

New postdoc and team leader: Dr. Willem Esterhuizen

  • 2018/03/01:   The professorship is happy to present its new project leader, Dr. Willem Esterhuizen, research topics Hierarchical control systems and set-based methods. Willem grew up in Johannesburg, and earned a B.Sc in Mechatronics from the University of Cape Town, South Africa, an M.Sc in Electrical Engineering from Boston University, USA and a Ph.D from the École Des Mines de Paris, France, in 2015. During 2016 and 2017 he conducted research at the University of Johannesburg, and worked as a data scientist at a machine learning start-up in Stellenbosch, South Africa. He joined the ACSD group in March 2018. Currently, he is focusing on using set-based methods to solve problems in power grids (part of the KONSENS project). He is also interested in: investigating optimal control problems that exist in aerospace, addressing problems that exist in hierarchical control theory, and the advancement of the theory of barriers in constrained nonlinear systems.

New project "MORSyFlex": Hierarchical MPC utilizing flexibilities

  • 2018/03/01:   Since March 2018, the professorship has been working on the project "MORSyFlex", a research project funded by the ESF. The project deals with control and optimization smart grids to utilize flexibilities of the system to increase efficiency. Application areas which are taken into account are the electric grid and automated manufacturing.

New team member: Tim Aschenbruck

  • 2018/03/01:   The professorship is happy to welcome its new research associate, Tim Aschenbruck, who has started his work on the research topic "hierarchical model predictive control" in March 2018. Before starting work as a research associate, he previously worked at the professorship, completing a research internship and a masters thesis concerning topics as explicit and hierarchical MPC. Tim Aschenbruck studied Automation Systems at the Chemnitz University of Technolgoy.

Master thesis defense: New approach for hierarchical MPC by Tim Aschenbruck

  • 2018/02/21:   Energy and Automation Systems master student Tim Aschenbruck defends his master's thesis on Error Diffusion in Hierarchical Model Predictive Control.

New project "EiNES": Optimal control and state estimation in agricultural machines

  • 2018/02/01:   A new project on energy efficiency and sustainability improvement of food and renewables production using an e-mobility sensor platform started on 1st February 2018. In this project, five university partners and two external research and networking partners work on the concept of a sensor vehicle: a means of real-time identification of ground conditions and digital communication for operator assistance and optimal machine control. EiNES is funded by the Sächsische AufbauBank. See also Uni aktuell .

New Project: Energy Efficient Supermarket

  • 2018/01/25:   Successful completion of the project Energy Efficient Supermarket for which the professorship and its partners have been working since march 2017. The project was funded by industrial partners and dealt with the analysis of load profiles of over 200 supermarkets as well as on site experiments to establish a comprehension of load drivers and behavioral load patterns.

New project "KONSENS": Consistent Optimization and Stabilization of Electrical Network Systems

  • 2018/01/01:   Since January 1st the project "Consistent Optimization and Stabilization of Electrical Network Systems" (KONSENS), funded by the BMBF, extends our research repertoire on power grid operation. Under the main supervision of Dr. W. Esterhuizen we’ll focus on the transient stability of large power networks and the potential use of inherent flexibilities to increase the robustness and resilience of the overall grid towards contingencies. As a collaboration of several research institutions and industry partners, the overall goal is to develop new methods and algorithms that could help to tackle the projected challenges grid operators will face in the future. More information on KONSENS can be found on our Projects page. See also Uni aktuell .

Visitor: Prof. Florin Stoican (POLITEHNICA Bucharest)

  • 2017/11/06 - 2017/11/09:  From November 6th to 9th, Prof. Florin Stoican from Politehnica Bucharest visits or lab. His main research focus is fault tolerant control using set based methods and flat trajectory generation approaches. During his research stay we aim to develop ideas for new collaborations and he will also be available for discussions.

Symposium "SyNErgIt"

  • 2017/10/25:   Interdisciplinary exchange of science and practice: Symposium of the Chemnitz junior research group "SyNErgIt" brought together experts on "Synergetic use of energy and information technology" at Chemnitz University of Technology. See also Symposium der Chemnitzer Nachwuchsforschergruppe "SyNErgIt" .

New team member: Murali Padmanabha

  • 2017/10/01:   The professorship warmly welcomes its new research associate, Murali Padmanabha, who has started his work on the research topic "Optimal control in closed-loop agricultural systems" from October 2017. Murali studied Embedded Systems at the Chemnitz University of Technology

Project "SERIVF": Optimal control of closed-loop agricultural systems

  • 2017/10/01:   The professorship acquired funding for the project SERIVF through the ESF funding program. The project deals with optimization of resource and energy consumption in closed-loop agricultural system.

Research project defense: Optimal scheduling of smart appliances by Ye Yang

  • 2017/06/23:   Energy and Automation Systems master student Ye Yang defends her research project titles Reducing the Number of Binary Variables in Optimal Scheduling Problems.

Research project defense: Parametrized explicit MPC by Tim Aschenbruck

  • 2017/06/13:   Energy and Automation Systems master student Tim Aschenbruck defends his research project on Parameterized Explicit Distributed MPC.

Exhibition "AGRA 2017"

  • 2017/05/04:   The professorship presented its new traction test stand at the Leipzig AGRA fair 2017 on 4-7 May. The test stand is a new promising experimental facility aimed at realizing a great potential of various control algorithms for vehicles. Much attention was attracted from experts in different occupation areas as well as farmers and guests of the fair. The test stand proved its robustness and sustainability via a stable functioning throughout four full days at the fair. The professorship showed great focus on industrial applications and acquired new promising contacts to potential project partners. See also Uni aktuell.

New team member: Grigory Devadze

  • 2017/01/01:   The professorship is happy to warmly welcomes its new research associate, Grigory Devadze, who has started his work on various projects as well as dissertation on "Formal verification of control systems" from January 2017. Grigory studied Applied Mathematics at the University of Applied Sciences in Mittweida.

Visitor: Prof. Marcello Farina (Politecnico di Milano)

  • 2016/10/03 - 2016/10/07:   From October 3rd to 7th, Prof. Marcello Farina from Politecnico di Milano visits our Lab. His main research focus lies on model predictive control (MPC) for large-scale and multi-agent systems. During his stay he will give a short course on stability and consensus problems in distributed MPC and be available for discussions.

Visitor: Alessandra Parisio (University of Manchester)

  • 2016/06/13 - 2016/06/17:  From June 13th to 17th, Prof. Alessandra Parision from the University of Manchester visits our Lab. She will give several talks on her current research topics, which include the control of HVAC systems using model predictive control (MPC), robust scheduling and stochastic MPC of microgrids, as well as demand response for aggregated residential consumers.

Visitors: Prof. Ionela Prodan (INP Grenoble) and Prof. Florin Stoican (POLITEHNICA Bucharest)

  • 2016/04/21 - 2016/04/29:  From April 21st to 29th, Prof. Ionela Prodan from INP Grenoble and Prof. Florin Stoican from Politehnica Bucharest visit or lab. Together they work on fault tolerant control of microgrids and in particular robust reserve balancing of batteries. During their stay they will give several talks on set based methods in robust control, mixed integer methods in microgrid operation, and flat trajectory generation.

Organized Workshop and Delivered Keynote: Innovation potentials in the agricultural technology

  • 2015/12/14:   The professorship co-organized a regional workshop on Innovations in Saxony's agricultural technology. A keynote on Agriculture 4.0: Opportunities from a scientific perspective was delivered by Prof. Stefan Streif.

Organized Sessions: Optimal Control and Estimation of Uncertain Systems on the ACC'15

  • 2015/07/01 - 2015/07/04:  The Lab organized two invited sessions on Control and Estimation of Systems with Uncertainties and on New Directions in Robust and Stochastic Model Predictive Control on the American Control Conference 2015 in Chicago. The session was organized together with Ali Mesbah from the University of California, Berkeley. Also, a paper on Stability for Receding-Horizon Stochastic Model Predictive Control was presented.

Organized Workshop: Estimation, fault diagnosis and control of uncertain nonlinear systems using polynomial chaos on the ADCHEM'15

  • 2015/06/07 - 2015/06/10:  The ACSD Lab organized a workshop on Model-based estimation, fault diagnosis and control of uncertain nonlinear systems using polynomial chaos together with Ali Mesbah from the University of California, Berkeley.
    Also three papers on probabilistic and set-based analysis, experiment design and modeling were present at the conference.