Title: Nonlinear motion control.
Abstract: Traditionally, high-tech motion systems are controlled by PID-control, despite the fact that these PID designs, or more generally speaking any linear time-invariant control design, is subject to fundamental performance limitations. It was already observed in the 1950’s that introducing reset and switching mechanisms in an otherwise linear control loop can alleviate these limitations and significantly improve system performance. Unfortunately, performance improvements with nonlinear control come at the cost of increased complexity in analysis and design. In this talk, I will highlight recent advancements in nonlinear motion control. In particular I will discuss the development of graphical tools including scaled graphs for analysis and design. I will also discuss continuing challenges and on-going and future research that expedites the use of nonlinear control as an enabler to push performance of high-tech systems to the next level.
Short bio: Sebastiaan van den Eijnden received the Ph.D. degree from the Eindhoven University of Technology (TU/e) in 2022. From 2021–2023, he has been working as a mechatronics and control engineer at ASML, the Netherlands. Currently, Sebastiaan is an Assistant Professor at the department of Mechanical Engineering, TU/e. His research interests include nonlinear and hybrid systems, input-output stability theory, robust control, graphical methods for nonlinear control system analysis and design, as well as data-based and learning control for mechatronic systems.
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