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Twisk, D.A.M. (author), Boele, M.J. (author), Vlakveld, W.P. (author), Christoph, M. (author), Sikkema, R. (author), Remij, R. (author), Schwab, A.L. (author)To study the safety of e-bikes for the elderly, an experimental field study was conducted, using instrumented bicycles and comparing two age groups: older cyclists, n= 29, mean age = 70, SD = 4.2 and middle-aged cyclists, n = 29, mean age = 38, SD = 4.3. All were regular cyclists. They rode a fixed route with a length of about 3.5 km: once on an...conference paper 2013
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Schwab, A.L. (author), Kooijman, J.D.G. (author)The goal of the Human Power Team from the TU Delft and the Free University of Amsterdam is to break the world speed record in unpaced cycling (Sam Whittingham, 133.28 km/h). The design of such a faired recumbent bicycle is a challenge. The Delft design, called VeloX (Human Power Team (2013)), is a fully-faired monocoque front-driven recumbent...conference paper 2014
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- Kovacsova, N. (author), Di Gesu, M. (author), Schwab, A.L. (author), Gubitosa, M. (author), Hagenzieker, M.P. (author), De Winter, J.C.F. (author) conference paper 2015
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- Kovácsová, N. (author), De Winter, J.C.F. (author), Schwab, A.L. (author), Hagenzieker, M.P. (author) conference paper 2014
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Reijne, M.M. (author), Dehkordi, Sepehr G. (author), Glaser, Sebastien (author), Twisk, D (author), Schwab, A.L. (author)Falls are responsible for a large proportion of serious injuries and deaths among cyclists [1-4]. A common fall scenario is loss of balance during an emergency braking maneuver to avoid another vehicle [5-7]. Automated Vehicles (AV) have the potential to prevent these critical scenarios between bicycle and cars. However, current Threat...conference paper 2022
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Schwab, A.L. (author), Dialynas, G. (author), Happee, R. (author)The bicycle, being unstable at low speed and marginally stable at high speed, is sensitive to lateral perturbations. One of the major lateral perturbations is crosswind, which can lead to accidents and fatalities. Here we investigate the effect of crosswind on the lateral dynamics and control of the bicycle in a wide range of forward speeds and...conference paper 2018
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Reijne, M.M. (author), Bregman, D.J.J. (author), Schwab, A.L. (author)Descend technique and performance vary among elite racing cyclists and it is not clear what slower riders should do to improve their performance. An observation study was performed of the descending technique of members of a World Tour cycling team and the technique of each member was compared with the fastest descender amongst them. The...conference paper 2018
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Schwab, A.L. (author), Meijaard, J.P. (author)It can be observed that there is a wide variety in the width of bicycle lanes. It can range from wide to very narrow, see figure 1. Several guidelines disagree on the desired width of a bicycle lane [1, 2]. These guidelines are mainly based on observations and best practices. Instead of such an evolutionary approach<br/>we propose to determine...conference paper 2017
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Lee, O.Z.A. (author), Dialynas, G. (author), de Winter, J.C.F. (author), Happee, R. (author), Schwab, A.L. (author)Recent years have seen an increase in cycling as a transport mode in urban centers. This has spurred an interest in the use of bicycle simulators to study cyclist behavior [1, 2, 3, 4]. However, few implement a model based approach that couples the bicycle roll and steer in a realistic manner [5]. Balancing is a key task in cycling and we aimed...conference paper 2017
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Dialynas, G. (author), Happee, R. (author), Schwab, A.L. (author)Since the 1800s, the design of bicycles involves a mechanical linkage between the handlebar and the fork assembly. Herein, we propose an innovation, where the traditional mechanical connection between the handlebar and fork is decoupled and replaced with sensors, servomo-tors and a microcontroller allowing artificial manipulation of the bicycle...conference paper 2018
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- Ninan, Dr Johan (author), Hertogh, M.J.C.M. (author), Lim, Y. (author), de Boer, J.J. (author), Pesamaa, Ossi (author), Van Acker, Maarten (author), Schwab, Eva (author), Ilsbroekx, Raf (author), Bernsteiner, Johannes (author) conference paper 2023
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van der Kruk, E. (author), Schwab, A.L. (author), van der Helm, F.C.T. (author), Veeger, H.E.J. (author)To assist speed skaters in improving their skating performance, we would like to provide them with real time feedback on the orientation of the skate within a single stroke. While of course the forces generated by the skater on the ice determine the acceleration of the skater, the orientation of the skate determines in which direction this...conference paper 2016
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de Jong, J. (author), Fokkink, R.J. (author), Olsder, G.J. (author), Schwab, A.L. (author)The optimal pacing strategy of a cyclist in an individual time-trial depends on terrain, weather conditions and the cyclists endurance capacity. Previous experimental and theoretical studies have shown that a suboptimal pacing strategy may have a substantial negative effect. In this paper we express the optimal pacing problem as a...conference paper 2016
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van der Kruk, E. (author), van der Helm, F.C.T. (author), Schwab, A.L. (author), Veeger, H.E.J. (author)Pushoff in speed skating requires an extensive motion strategy. During speed skating the skater continuously changes the lean and steering angle of the skate and therewith the direction of push-off, The forces in an inertial coordinate system can give insight into what amount of the push-off force is directed into the forward motion. In this...conference paper 2016
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- Schwab, A.L. (author) doctoral thesis 2002
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Moore, J.K. (author), Hubbard, M. (author), Schwab, A.L. (author), Kooijman, J.D.G. (author), Peterson, D.L. (author)An overview of bicycle and rider kinematic motions from a series of experimental treadmill tests is presented. The full kinematics of bicycles and riders were measured with an active motion capture system. Motion across speeds are compared graphically with box and whiskers plots. Trends and ranges in amplitude are shown to characterize the...journal article 2010
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- Kovacsova, N. (author), Di Gesu, M. (author), Schwab, A.L. (author), Gubitosa, M. (author), Hagenzieker, M.P. (author), De Winter, J.C.F. (author) journal article 2015
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Moore, J.K. (author), Kooijman, J.D.G. (author), Schwab, A.L. (author), Hubbard, M. (author)Recent observations of a bicyclist riding through town and on a treadmill show that the rider uses the upper body very little when performing normal maneuvers and that the bicyclist may, in fact, primarily use steering input for control. The observations also revealed that other motions such as lateral movement of the knees were used in low...journal article 2010
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- Wisse, M. (author), Schwab, A.L. (author), Van der Helm, F.C.T. (author) journal article 2004
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- Wisse, M. (author), Schwab, A.L. (author), van der Linde, R.Q. (author), van der Helm, F.C.T. (author) journal article 2005
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