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Aarnoudse, Leontine (author), Kon, Johan (author), Ohnishi, Wataru (author), Poot, Maurice (author), Tacx, Paul (author), Strijbosch, Nard (author), Oomen, T.A.E. (author)The performance of feedforward control depends strongly on its ability to compensate for reproducible disturbances. The aim of this paper is to develop a systematic framework for artificial neural networks (ANN) for feedforward control. The method involves three aspects: a new criterion that emphasizes the closed-loop control objective,...journal article 2024
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Aarnoudse, Leontine (author), Kon, Johan (author), Classens, Koen (author), van Meer, Max (author), Poot, Maurice (author), Tacx, Paul (author), Strijbosch, Nard (author), Oomen, T.A.E. (author)Cross-coupled iterative learning control (ILC) can improve the contour tracking performance of manufacturing systems significantly. This paper aims to develop a framework for norm-optimal cross-coupled ILC that enables intuitive tuning of time- and iteration-varying weights of the exact contour error and its tangential counterpart. This leads...journal article 2024
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Multi-echo gradient echo pulse sequences: which is best for PRFS MR thermometry guided hyperthermia?Feddersen, Theresa V. (author), Poot, Dirk H.J. (author), Paulides, Margarethus M. (author), Salim, Ghassan (author), van Rhoon, G.C. (author), Hernandez-Tamames, J.A. (author)Purpose: MR thermometry (MRT) enables noninvasive temperature monitoring during hyperthermia treatments. MRT is already clinically applied for hyperthermia treatments in the abdomen and extremities, and devices for the head are under development. In order to optimally exploit MRT in all anatomical regions, the best sequence setup and post...journal article 2023
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Venugopal, Krishnapriya (author), Arzanforoosh, Fatemeh (author), van Dorth, Daniëlle (author), Smits, M. (author), van Osch, Matthias J.P. (author), Hernandez-Tamames, J.A. (author), Warnert, E.A.H. (author), Poot, Dirk H.J. (author)Characterization of tumor microvasculature is important in tumor assessment and studying treatment response. This is possible by acquiring vascular biomarkers with magnetic resonance imaging (MRI) based on dynamic susceptibility contrast (DSC). We propose magnetic resonance vascular fingerprinting (MRVF) for hybrid echo planar imaging (HEPI)...journal article 2023
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Erkens, S. (author), Poot, M.R. (author), Khadijeh, M. (author)In dit rapport wordt een onderzoek beschreven met vijf verschillende wrijvingsreductiesystemen. De aanleiding was een verandering in de EN 12697-25, waarbij Latex wrijvingsreductie vervangen is door Teflon, terwijl er flink wat onderzoek is dat liet zien dat Teflon voor asfalt minder effectief is dan Latex. Testen van hetzelfde asfalt met beide...report 2023
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Poot, Charlotte C. (author), de Boer, Jasmijn (author), Goto, L. (author), van de Hei, Susanne J. (author), Chavannes, N.H. (author), Visch, V.T. (author), Meijer, Eline (author)Objective: This study aimed to design a persuasive game, using objective adherence data, to motivate people with asthma to adhere to their medication regimen. Methods: A participatory user-centered design approach was employed, involving end-users and other stakeholders throughout the study. The approach consisted of four phases. Semi...journal article 2023
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Poot, Maurice (author), van Hulst, Jilles (author), Yan, Kai Wa (author), Kostic, Dragan (author), Portegies, Jim (author), Oomen, T.A.E. (author)The increasing demands on throughput and accuracy of semiconductor manufacturing equipment necessitates accurate feedforward motion control that includes compensation of input nonlinearities. The aim of this paper is to develop a data-driven feedforward approach consisting of a Wiener feedforward, i.e., linear parameterization with an output...journal article 2023
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Nagtegaal, M.A. (author), Hermann, I. (author), Weingärtner, S.D. (author), Martinez-Heras, Eloy (author), Solana, Elisabeth (author), Llufriu, Sara (author), Gass, Achim (author), Poot, Dirk H.J. (author), van Osch, Matthias J.P. (author), Vos, F.M. (author), de Bresser, Jeroen (author)T<sub>2</sub>-hyperintense lesions are the key imaging marker of multiple sclerosis (MS). Previous studies have shown that the white matter surrounding such lesions is often also affected by MS. Our aim was to develop a new method to visualize and quantify the extent of white matter tissue changes in MS based on relaxometry properties. We...journal article 2023
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Poot, Maurice (author), Portegies, Jim (author), Kostić, Dragan (author), Oomen, T.A.E. (author)Feedforward control with task flexibility for MIMO systems is essential to meet ever-increasing demands on throughput and accuracy. The aim of this paper is to develop a framework for data-driven tuning of rational feedforward controllers in iterative learning control (ILC) for noncommutative MIMO systems. A convex optimization problem in ILC...conference paper 2023
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Poot, Charlotte C. (author), Meijer, Eline (author), Bruil, Annet (author), Venema, Melanie (author), Vegt, N.J.H. (author), Donkel, Nicole (author), van Noort, Veronique (author), Chavannes, Niels H. (author), Roest, Arno A.W. (author)Background: Medical procedures can cause considerable stress and anxiety among children. Current interventions mainly diminish stress and anxiety during procedures, while stress and anxiety often build up at home. Moreover, interventions often focus on either distraction or preparation. eHealth can combine multiple strategies and provide a...journal article 2023
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van Dijk, Bruce (author), Hooning van Duyvenbode, J. Fred F. (author), de Vor, Lisanne (author), Nurmohamed, F. Ruben H.A. (author), Lam, Marnix G.E.H. (author), Poot, Alex J. (author), Ramakers, R.M. (author), Koustoulidou, Sofia (author), Beekman, F.J. (author), Weinans, Harrie (author)Implant infections caused by Staphylococcus aureus are difficult to treat due to biofilm formation, which complicates surgical and antibiotic treatment. We introduce an alternative approach using monoclonal antibodies (mAbs) targeting S. aureus and provide evidence of the specificity and biodistribution of S.-aureus-targeting antibodies in a...journal article 2023
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Faber, J.S. (author), Poot, Charlotte C. (author), Dekkers, Tessa (author), Romero Herrera, N.A. (author), Chavannes, N.H. (author), Meijer, Eline (author), Visch, V.T. (author)Background: Current eHealth interventions are poorly adopted by people with low health literacy (LHL) as they often fail to meet their needs, skills, and preferences. A major reason for this poor adoption is the generic, one-size-fits-all approach taken by designers of these interventions, without addressing the needs, skills, and preferences...journal article 2023
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Van Meer, Max (author), Poot, Maurice (author), Portegies, Jim (author), Oomen, T.A.E. (author)Feedforward control is essential to achieving good tracking performance in positioning systems. The aim of this paper is to develop an identification strategy for inverse models of systems with nonlinear dynamics of unknown structure using input-output data, which can be used to generate feedforward signals for a-priori unknown tasks. To this...journal article 2022
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Van Hulst, Jilles (author), Poot, Maurice (author), Kostic, Dragan (author), Yan, Kai Wa (author), Portegies, Jim (author), Oomen, T.A.E. (author)Advanced feedforward control methods enable mechatronic systems to perform varying motion tasks with extreme accuracy and throughput. The aim of this paper is to develop a data-driven feedforward controller that addresses input nonlinearities, which are common in typical applications such as semiconductor back-end equipment. The developed...journal article 2022
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Moerman, A. M. (author), Korteland, S. (author), Dilba, K. (author), van Gaalen, K. (author), Poot, D. H.J. (author), van Der Lugt, A. (author), Verhagen, H. J.M. (author), Wentzel, J. J. (author), van Der Steen, A. F.W. (author), Gijsen, F.J.H. (author), Van der Heiden, K. (author)The role of wall shear stress (WSS) in atherosclerotic plaque development is evident, but the relation between WSS and plaque composition in advanced atherosclerosis, potentially resulting in plaque destabilization, is a topic of discussion. Using our previously developed image registration pipeline, we investigated the relation between two...journal article 2022
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Taumaturgo Mororo, L.A. (author), Poot, A. (author), van der Meer, F.P. (author)The Thick Level Set method (TLS) is an approach for non-local damage modeling in which the damage evolution is linked to the movement of a damage front described with the level set method. More recently, a new version of the TLS, designated as the TLSV2, has been proposed as a new concept for coupling continuum damage modeling and discrete...journal article 2022
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Nunez-Gonzalez, L. (author), Nagtegaal, M.A. (author), Poot, D.H.J. (author), de Bresser, J. (author), van Osch, M. J.P. (author), Hernandez-Tamames, J.A. (author), Vos, F.M. (author)MR fingerprinting (MRF) is a promising method for quantitative characterization of tissues. Often, voxel-wise measurements are made, assuming a single tissue-type per voxel. Alternatively, the Sparsity Promoting Iterative Joint Non-negative least squares Multi-Component MRF method (SPIJN-MRF) facilitates tissue parameter estimation for...journal article 2022
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Poot, Maurice (author), Portegies, Jim (author), Mooren, Noud (author), van Haren, Max (author), van Meer, Max (author), Oomen, T.A.E. (author)Machine learning techniques, including Gaussian processes (GPs), are expected to play a significant role in meeting speed, accuracy, and functionality requirements in future data-intensive mechatronic systems. This paper aims to reveal the potential of GPs for motion control applications. Successful applications of GPs for feedforward and...journal article 2022
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Poot, Maurice (author), Portegies, Jim (author), Mooren, Noud (author), van Haren, Max (author), van Meer, Max (author), Oomen, T.A.E. (author)Machine learning techniques, including Gaussian processes (GPs), are expected to play a significant role in meeting speed, accuracy, and functionality requirements in future data-intensive mechatronic systems. This paper aims to reveal the potential of GPs for motion control applications. Successful applications of GPs for feedforward and...conference paper 2022
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van Haren, Max (author), Poot, Maurice (author), Kostic, Dragan (author), van Es, Robin (author), Portegies, Jim (author), Oomen, T.A.E. (author)Mechatronic systems have increasingly stringent performance requirements for motion control, leading to a situation where many factors, such as position-dependency, cannot be neglected in feedforward control. The aim of this paper is to compensate for position-dependent effects by modeling feedforward parameters as a function of position. A...conference paper 2022