no code implementations • 9 Mar 2024 • Yorick Broens, Hans Butler, Roland Tóth
Motion systems are a vital part of many industrial processes.
no code implementations • 22 Jun 2023 • Daiwei Fan, Max Bolderman, Sjirk Koekebakker, Hans Butler, Mircea Lazar
Rotary motors, such as hybrid stepper motors (HSMs), are widely used in industries varying from printing applications to robotics.
no code implementations • 25 Mar 2023 • Anantha Sai Hariharan Vinjarapu, Yorick Broens, Hans Butler, Roland Tóth
To benchmark the performance of the proposed approach, a simulation study is presented which compares the TAIL-ILC to classical model-based feedforward strategies and existing learning-based approaches, such as neural network based feedforward learning.
no code implementations • 25 Mar 2023 • Yorick Broens, Hans Butler, Roland Tóth
The demand for high-precision and high-throughput motion control systems has increased significantly in recent years.
no code implementations • 20 Mar 2023 • Max Bolderman, Mircea Lazar, Hans Butler
To achieve this, we present a model of the system in a lifted space of trajectories, based on which we derive an upperbound on the reference tracking performance.
no code implementations • 20 Jan 2023 • Max Bolderman, Hans Butler, Sjirk Koekebakker, Eelco van Horssen, Ramidin Kamidi, Theresa Spaan-Burke, Nard Strijbosch, Mircea Lazar
The increasing demand on precision and throughput within high-precision mechatronics industries requires a new generation of feedforward controllers with higher accuracy than existing, physics-based feedforward controllers.
no code implementations • 14 Sep 2022 • Yorick Broens, Hans Butler, Roland Tóth
The ever increasing need for performance results in increasingly rigorous demands on throughput and positioning accuracy of high-precision motion systems, which often suffer from position dependent effects that originate from relative actuation and sensing of the moving-body.
no code implementations • 1 Apr 2022 • Max Bolderman, Mircea Lazar, Hans Butler
However, direct identification of the inverse dynamics is sensitive to noise that is present in the training data, and thereby results in biased parameter estimates which limit the achievable tracking performance.
no code implementations • 15 Mar 2022 • Yorick Broens, Hans Butler, Roland Tóth
Increasingly stringent throughput requirements in the industry necessitate the need for lightweight design of high-precision motion systems to allow for high accelerations, while still achieving accurate positioning of the moving-body.
no code implementations • 4 Feb 2022 • Yorick Broens, Hans Butler, Roland Tóth
However, the main complication of CT synthesis approaches is the successive implementation of the resulting CT control solutions on physical hardware.
no code implementations • 28 Jan 2022 • Max Bolderman, Mircea Lazar, Hans Butler
Performance of model-based feedforward controllers is typically limited by the accuracy of the inverse system dynamics model.
no code implementations • 4 May 2021 • Ioannis Proimadis, Yorick Broens, Roland Tóth, Hans Butler
Growing demands in the semiconductor industry result in the need for enhanced performance of lithographic equipment.
no code implementations • 10 Mar 2021 • Max Bolderman, Mircea Lazar, Hans Butler
Ever-increasing throughput specifications in semiconductor manufacturing require operating high-precision mechatronics, such as linear motors, at higher accelerations.