Searched for: subject:"Feedback"
(1 - 20 of 106)

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van der Haar, S. (author), Hoevenaars, F.P.M. (author), van den Brink, W.J. (author), van den Broek, T. (author), Timmer, M. (author), Boorsma, A. (author), Doets, E.L. (author)
Background: Dietary quality plays an essential role in the prevention and management of metabolic syndrome (MetS). Objective: The aim of this pilot study is to organize personalized dietary advice in a real-life setting and to explore the effects on dietary intake, metabolic health, and perceived health. Methods: We followed a one-group pretest...
article 2021
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van Neer, P. (author), Volker, A. (author), Berkhoff, A. (author), Schrama, T. (author), Akkerman, H. (author), van Breemen, A. (author), Peeters, L. (author), van der Steen, J.L. (author), Gelinck, G.H. (author)
Ultrasound based mid-air haptic feedback devices can produce tactile sensations at any time and position without restricting human motion. This is useful for augmented and virtual reality, feedback buttons and virtual user interfaces. The haptic feedback mechanism is caused by acoustic radiation force and streaming. Typical solutions to induce...
conference paper 2020
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Kuling, I.A. (author), Gijsbertse, K. (author), Krom, B.N. (author), van Teeffelen, K.J. (author), van Erp, J.B.F. (author)
Haptic feedback is a desired feature in teleoperation as it can improve dexterous manipulation. Direct force feedback to the operator’s hand and fingers requires complex hardware and therefore substituting force by for instance vibration is a relevant topic. In this experiment, we tested performance on a Box & Blocks task in a teleoperation set...
conference paper 2020
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Kraaij, W. (author), Verberne, S. (author), Koldijk, S. (author), de Korte, E. (author), van Dantzig, S. (author), Sappelli, M. (author), Shoaib, M. (author), Bosems, S. (author), Achterkamp, R. (author), Bonomi, A. (author), Schavemaker, J. (author), Hulsebosch, B. (author), Wabeke, T. (author), Vollenbroek-Hutten, M. (author), Neerincx, M. (author), Sinderen, M. (author)
Recent advances in wearable sensor technology and smartphones enable simple and affordable collection of personal analytics. This paper reflects on the lessons learned in the SWELL project that addressed the design of user-centered ICT applications for self-management of vitality in the domain of knowledge workers. These workers often have a...
article 2020
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Fermoselle, L.I. (author), Gunkel, S.N.B. (author), ter Haar, F.B. (author), Dijkstra-Soudarissanane, S.S. (author), Toet, A. (author), Niamut, O.A. (author)
Social VR shall allow natural communication between users with high social presence, as if users are in the same room. One way to increase social presence is to add haptic interaction to allow,for example, users to give each other a "high-five" or to pass documents among them. In this paper, we present our web-based VR communication framework...
conference paper 2020
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Kramer, L. (author), Peters, J. (author), Voorhoeve, R.J. (author), Witvoet, G. (author), Kuiper, S. (author)
The demand for higher data transfer between satellites and ground stations is ever increasing. To address this, (free-space) optical communication (OC) technology is emerging. Pointing mechanisms with low size, weight and power (SWaP), high accuracy and low recurring costs are key enablers for constellations of OC systems. In this paper, TNO...
conference paper 2020
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Basten, T. (author), Bastos, J. (author), Medina, R. (author), van der Sanden, B. (author), Geilen, M.C.W. (author), Goswami, D. (author), Reniers, M.A. (author), Stuijk, S. (author), Voeten, J.P.M. (author)
bookPart 2020
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Ananduta, W. (author), Pippia, T. (author), Ocampo-Martinez, C. (author), Sijs, J. (author), de Schutter, B. (author)
A novel partitioning approach for linear switching large-scale systems is presented. We assume that the modes of the switching system are unknown a priori but can be detected. We propose an online partitioning scheme that can partition the system when the mode switches, thus adapting the partition to the mode. Moreover, after the system has been...
article 2019
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Steenhoff, H. (author), Toftum, J. (author), Kingma, B. (author), Daanen, H. (author), Gao, C. (author), Kuklane, K. (author), Garland, S. (author), Alkan Olsson, J. (author), Egli, S. (author), Folkerts, M. (author), Zuurbier, M. (author), Petersson, J. (author), Nybo, L. (author)
conference paper 2019
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Doets, E.L. (author), de Hoogh, I.M. (author), Holthuysen, N. (author), Wopereis, S. (author), Verain, M.C.D. (author), van den Puttelaar, J. (author), Hogenelst, K. (author), Boorsma, A. (author), Bouwman, E.P. (author), Timmer, M. (author), Pasman, W.J. (author), van Erk, M. (author), Reinders, M.J. (author)
The aim of this explorative study is to evaluate whether personalized compared to generic lifestyle advice improves wellbeing in a senior population. We conducted a nine-week single-blind randomized controlled trial including 59 participants (age 67.7 ± 4.8 years) from Wageningen and its surrounding areas in the Netherlands. Three times during...
article 2019
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van Neer, P.L.M.J. (author), Volker, A.W.F. (author), Berkhoff, A.P. (author), Akkerman, H.B. (author), Schrama, T. (author), van Breemen, A. (author), Gelinck, G.H. (author)
Recently, there has been considerable interest in the development of ultrasound based mid-air haptic feedback devices. These devices allow for tactile sensations to be induced at any position and time without constraints to human motion, which is useful for virtual user interfaces, augmented/virtual reality and feedback buttons. The haptic...
conference paper 2018
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Witvoet, G. (author), Kuiper, S. (author), Meskers, A.J.H. (author)
This paper presents the first test results of a novel Fine Steering Mirror (FSM) for optical communication terminals. The FSM utilizes efficient variable reluctance actuators, tailored for the specific application, making it highly compact and power efficient. The test results demonstrate a high dynamical performance of <1.7kHz closed-loop...
conference paper 2018
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van der Weijst, R. (author), van Keulen, T. (author), Willems, F.P.T. (author)
Advanced control concepts are required to maximize the fuel-efficiency of Diesel engines and to comply with emission legislation. The aim of this paper is to develop a controller that fully utilizes the fuel-path and air-path hardware, and is adaptive for real-world disturbances. The control design comprises a feedback control system, which uses...
conference paper 2018
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Behrouzian, A. (author), Goswami, D. (author), Basten, A.A. (author)
Feedback control applications are robust to occasional deadline misses. This opens up the possibility of saving scarce (computation and communication) resources on embedded platforms. Stability and performance requirements of a control loop impose restrictions on acceptable patterns of deadline misses (e.g., not too many misses in a row). Such...
conference paper 2018
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Fu, W. (author), Landman, H.M. (author), van Paassen, M.M. (author), Mulder, M. (author)
We discuss an extension of the basic principles underlying the human haptic just noticeable difference (JND) in perceiving a manipulator's mechanical properties from force feedback. Two cases are studied: 1) the JND in perceiving the stiffness of manipulators with various masses; 2) the JND in perceiving the damping of a combined mass-spring...
article 2018
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de Boer, M.H.T. (author)
In the modern world, networked sensor technology makes it possible to capture the world around us in real-time. In the security domain cameras are an important source of information. Cameras in public places, bodycams, drones and recordings with smart phones are used for real time monitoring of the environment to prevent crime (monitoring case);...
doctoral thesis 2017
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Oom, M. (author), Feru, E. (author), de Jager, B. (author), de Lange, R. (author), Ouwerkerk, H. (author)
conference paper 2017
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Verhaegh, J. (author), Ploeg, J. (author), van Nunen, E. (author), Teerhuis, A. (author)
This paper presents a method for trajectory control, based on feedback linearization to guide an Automatic Guided Vehicle (AGV). The novelty of this work, is the adaptation of a reference trajectory with respect to a desired velocity in real-time to avoid collisions using a time-scaling mechanism. Employing this mechanism, collision avoidance by...
conference paper 2017
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Berkhoff, A. (author), Tajdari, F. (author)
This paper presents a method to realize an acoustic source for low frequencies with relatively small thickness. A honeycomb plate structure which is open on one side combines the radiating surface and the major part of the air cavity. The vibration of the plate is controlled with a decentralized feedback controller. The fundamental resonance...
conference paper 2017
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Wetzels, F. (author), van den Berg, H. (author), Bosman, J. (author), van der Mei, R. (author)
Pre-congestion notification (PCN) protects inelastic traffic by using feedback on network link loads on and acting upon this accordingly. These actions comprise to admission control and termination of flows. Two PCN architectures have been defined by IETF: the centralized and decentralized PCN architecture. The decentralized PCN architecture has...
article 2017
Searched for: subject:"Feedback"
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