Control Systems Group Main topics and MSc projects Connection with technology domains With EES With CE, Civ Process Systems Energy Systems Fundamentals Signals, Systems, Control With ME, EPE High Tech Systems Automotive Systems With EPE, ME Relation: theory ⇿ application MSc projects: Geometric construction of invariant sets for dynamical systems [F] The proposed research focuses on methods for computing invariant sets for dynamical systems that play an important role in control theory and its applications (e.g., stability analysis). supervisor: dr. N. Athanasopoulos • Input / Output structure identification in oil reservoirs [P] This project is based on finding dominant input and output pairings in the modeling of oil reservoirs in order to synthetize efficient models for control of water-flooding based extraction. supervisor: M.M. Siraj, prof. dr. P.M.J. Van den Hof • • • • Dynamical diagnosis and treatment design of tumor Average particle size 0,70 nm Average particle size 1,6 nm growth [F] This project aims at deriving novel control strategies for regulating tumor growth based on Lyapunov methods based analysis, game theoretical methods and relating dynamical models information with ultrasound images for diagnosis and therapy assessment. supervisor: A. Doban, dr. M. Lazar Distributed controller synthesis [F] Recent developments on this topic are concerned with scalable distributed control synthesis, i.e., distributed controllers that exploit the sparsity of the network. The aim of this Master project is to investigate the usefulness of a newly developed tool, finitestep control Lyapunov functions, for this purpose. supervisor: dr. M. Lazar Metroframe skyhook control [H] In a lithographic tool, the metrology frame supporting the projection lens needs to be dynamically very stable. This study focuses on actively controlling the metrology frame with respect to the fixed world, by using available accelerometers and measurements from existing sub-system, such as the active lens supports. supervisor: prof. S. Weiland, prof. H. Butler [ASML] Corresponding author: [email protected]; [email protected] • Immersion hood disturbance observer [H] The immersion hood in a lithographic tool maintains the water between lens and stage in its place. The continuous flow of water produces a disturbance force on the stage. This study investigates building an observer that estimates the disturbance force. supervisor: prof. S. Weiland, prof. H. Butler [ASML] • Piezoelectric deformable mirror for adaptive optics in EUV lithography [H] In EUV Lithography wave front correctors have been proposed to mitigate thermally induced wave front aberrations. This project focusses on the conceptual design of a piezoelectric deformable mirror for an adaptive optics system in EUV Lithography. supervisor: prof. S. Weiland, prof. H. Butler [ASML] • Learning control of a Quadcopter [H] For a Parrot AR.Drone, design and implement a self-learning controller, which can identify its unknown parameters on the fly and adjust its controller to changing flight conditions, such as wind direction, wind speed, or weight. supervisor: P. Cox and dr. R. Toth • LPV control of a 3DOF gyroscope [H] Gyroscopes are highly nonlinear mechanical systems that can be both used for measurement of orientation and actuators for compensating disturbances in 3DOF. This project aims to the development of 3DOF position control for gyroscopes using linear-parameter varying control supervisor: dr. R. Toth • Self learning MPC for process control [P] Establishing models of highly nonlinear systems is expansive and needs to be maintained due to varying environmental conditions and ageing. This project aims at using revolutionary learning algorithms that can provide and adjust the predictive control law on-line based on measured data from the system. supervisor: M. Darwish and dr. R. Toth x0 20 15 10 agressive tumor tumor dormancy 5 0 -5 0 5 10 15 20 True ! • Tuning for model based control systems [P] The goal of this project is to further improve self tuning schemes for model predictive control which can operate the closed-loop system closely to the economic constraints, hence maximizing profit. supervisor: dr. L. Ozkan, prof. S. Weiland • Batch process modeling and control via a tensor decomposition approach [P] The main objective in this project is to explore the potential of a tensor decomposition approach for the modeling, model predictive control and monitoring of batch processes. supervisor: dr. L. Ozkan, prof. S. Weiland A Dynamic network identification over communication channels and event-triggered sampling [F] This project aims at developing novel approaches for identifying the dynamics of network systems (e.g., power grids) with data including communication delays and event triggered sampling. supervisor: prof. dr. P.M.J. Van den Hof Active baseframe control [H] The high-speed moving stages in a lithographic tool exert forces and torques on a base frame connected to the floor, which starts to react dynamically since the floor is not infinitely stiff. This study investigates the possibilities of supporting the base frame, with a mass of more than 20000 kg, on Piezo actuators, and control these in order to stabilize the base frame. supervisor: prof. H. Butler [ASML], M. Heertjes PC • Control and safety for medical robots [H] This project aims at formulating and solving the problem of controlling medical robot, an interventional X- Ray Machine, by using Lagrangian/Hamiltonian modeling methods, inverse and forward kinematics; analysis and control of the robotic system based on Lyapunov/simulation methods and integration of complex constraints and reference tracking. supervisor: R. Bobiti, dr. M. Lazar • SVM • BL • Adaptive friction compensation via machine learning methods [H] Friction compensation is highly important in several motion control problems. This project aims at the development of novel self-learning compensation approaches for friction and disturbance compensation with an application in DC drives. supervisor: M. Darwish and dr. R. Toth • Robust control of a Quadcopter based crane [H] For a Parrot AR.Drone, design and implement a robust controller that resolves the regulation of the dynamic behavior under varying load conditions. The system should be able to carry varying loads attached with flexible wires to the frame. supervisor: P. Cox and dr. R. Toth • Multi-Conjugate Adaptive Optics in EUV Lithography [H] Thermally induced wavefront aberrations limit the optical performance of EUV lithography scanners. The objective of this project is to achieve corrections of the wavefront by employing Multi-Conjugate Adaptive Optics. supervisor: M. Habets, Prof. W.M.J.M. Coene [ASML] Prof. S. Weiland • Position-dependent observer for dynamical modes of a wafer stage [H] A wafer stage in a lithographic machine needs to move at high speed with sub-nanometer accuracy. Dynamical modes limit the controller performance. This study focuses on designing an observer for these flexible modes, such that the positiondependent observation of these modes is dealt with. supervisor: prof. S. Weiland, prof. H. Butler [ASML] • Dynamic Operation Performance Measures [P] In dynamic operation, the control variables, which are inflows, inlet concentrations and reactor temperatures are not kept constant but changed periodically. In this way, the nonlinearity of the chemical systems is utilized for improving productivity and selectivity. In this project, the goal is to investigate the effect of dynamic operation depending on the nonlinearity of the process. supervisor: dr. L Ozkan
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