Searched for: department%3A%22Biomechanical%255C%252BEngineering%22
(61 - 80 of 343)
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- Veeger, H.E.J. (author) public lecture 2010
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Herder, J.L. (author), Van der Wijk, V. (author)The invention relates to a delta robot comprising a stationary base (2) and a movable platform (3) that is connected to the base with three chains of links (4,5,6), and comprising a balancing system incorporating at least one pantograph (7) for balancing the robot's center of mass, wherein the at least one pantograph has a first free extremity ...patent 2010
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- Birglen, L. (author), Kragten, C.A. (author), Herder, J.L. (author) journal article 2010
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Kragten, G.A. (author), Meijneke, C. (author), Herder, J.L. (author)There is a lack of agreement in the literature as to what exactly quantifies the performance of underactuated hands. This paper proposes two benchmark tests to measure the ability of underactuated hands to grasp different objects and the ability to hold the objects when force disturbances apply. The first test determines the smallest and largest...journal article 2010
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Herder, J.L. (author), Barrari, A. (author), Tolou, N. (author)Yet another journal? And what is the windmill about? Those are two questions that we heard a lot lately. Yes, another journal, or rather, a different journal, called Mechanical Sciences (MS). The main difference is that the journal is open access, of which there are not many in the field of mechanical sciences. Grant agencies more and more...journal article 2010
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Wisse, M. (author), Wilbers, F. (author), Meijneke, C. (author)Artificial hand (1) suitable for robotic applications or as a prosthesis, comprising a frame (2) with a thumb (3) and at least two fingers (4,5), and having a motor drive (6) for adjusting the thumb and the fingers with respect to the frame, wherein the motor drive has a housing (7) and an axle (8) which is rotatably positioned within the...patent 2011
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Meijneke, C. (author), Kragten, G.A. (author), Wisse, M. (author)The Delft Hand 2 (DH-2) is an underactuated robot hand meant for industrial applications, having six degrees of freedom (DoF), one actuator (DoA) and no sensors. It was designed to provide a cheap and robust hand to grasp a large range of objects without damaging them. The goal of this paper is to assess the design and performance of the DH-2,...journal article 2011
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Van Buul, G. (author), Kotek, G. (author), Wielopolski, P.A. (author), Farrell, E. (author), Bos, P.K. (author), Weinans, H. (author), Grohnert, A.U. (author), Jahr, H. (author), Verhaar, J.A.N. (author), Krestin, G.P. (author), Van Osch, G.J.V.M. (author), Bernsen, M.R. (author)Background: Articular cartilage has very limited intrinsic regenerative capacity, making cell-based therapy a tempting approach for cartilage repair. Cell tracking can be a major step towards unraveling and improving the repair process of these therapies. We studied superparamagnetic iron oxides (SPIO) for labeling human bone marrow-derived...journal article 2011
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Schutte, S. (author), Geukers, E.B.M. (author), Simonsz, H.J. (author), Van der Helm, F.C.T. (author)Apparatus and method for automatically determining a strabismus angle of the eyes of an individual by performing a reflection test on said eyes, comprising the steps of : -directing at least a first beam of light onto said eyes of the individual; -having the individual focus its eyes; -using at least one imaging device for: measuring the light...patent 2011
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Asadi Nikooyan, A. (author), Van der Helm, F.C.T. (author), Westerhoff, P. (author), Graichen, F. (author), Bergmann, G. (author), Veeger, H.E.J. (author)Determination of an accurate glenohumeral-joint rotation center (GH-JRC) from marker data is essential for kinematic and dynamic analysis of shoulder motions. Previous studies have focused on the evaluation of the different functional methods for the estimation of the GH-JRC for healthy subjects. The goal of this paper is to compare two widely...journal article 2011
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D'Amelio, V. (author), Chmarra, M.K. (author), Tomiyama, T. (author)Developing multi-disciplinary products presents cross-disciplinary problems that are difficult to predict and to solve. Unfortunately, those cross-disciplinary problems are often discovered only at a later stage of the design through physical prototypes and can lead to modification of the conceptual design of a product. This is extremely costly...journal article 2011
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- Tuijthof, G.J.M. (author), De Vaal, M.M. (author), Sierevelt, I.N. (author), Blankevoort, L. (author), Van der List, M.P.J. (author) journal article 2011
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Van der Kooij, H. (author), Campbell, A.D. (author), Carpenter, M.G. (author)The different measures used to characterize postural sway are sensitive to variations in sampling duration, yet there remains marked variability and a lack of consistency in this temporal parameter when compared between studies. We investigated the effect of sampling duration on 22 commonly used frequency and time domain measures and stabilogram...journal article 2011
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Munts, A.G. (author), Mugge, W. (author), Meurs, T.S. (author), Schouten, A.C. (author), Marinus, J. (author), Lorimer Moseley, G. (author), Van der Helm, F.C.T. (author), Van Hilten, J.J. (author)Background: Complex regional pain syndrome (CRPS) may occur after trauma, usually to one limb, and is characterized by pain and disturbed blood flow, temperature regulation and motor control. Approximately 25% of cases develop fixed dystonia. Involvement of dysfunctional GABAergic interneurons has been suggested, however the mechanisms that...journal article 2011
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Reilingh, M.L. (author), Tuijthof, G.J.M. (author), Van Dijk, C.N. (author), Blankevoort, L. (author)Background: Malalignment of the hindfoot can be corrected with a calcaneal osteotomy (CO). A well-selected osteotomy angle in the sagittal plane will reduce the shear force in the osteotomy plane while walking. The purpose was to determine the presence of a relationship between the foot geometry and loading of the calcaneus, which influences the...journal article 2011
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Asadi Nikooyan, A. (author)Detailed information about muscle forces in the human musculoskeletal system are highly demanded for several applications. Unfortunately, the measurement of muscle forces in-vivo is hardly possible. To date, musculoskeletal models are best alternative for the direct measurement of these forces. A major concern in musculoskeletal modeling is,...doctoral thesis 2011
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Mugge, W. (author)Complex Regional Pain Syndrome (CRPS) is a disabling syndrome associated with sensory (e.g., burning pain, allodynia, hyperalgesia), autonomic (e.g., edema, skin color and temperature changes), and motor impairments (e.g., tremor, myoclonus, dystonia). Approximately 25% of the patients with CRPS develop fixed dystonia which is characterized by...doctoral thesis 2011
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Kragten, G.A. (author)There is an emerging need to apply adaptive robotic hands to substitute humans in dangerous, laborious, or monotonous work. The state-of-the-art robotic hands cannot fulfill this need, because they are expensive, hard to control and they consist of many vulnerable motors and sensors. It is aimed to develop simple, adaptive hands that are capable...doctoral thesis 2011
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Forbes, P.A. (author), Happee, R. (author), Van der Helm, F.C.T. (author), Schouten, A.C. (author)Force and position perturbations are widely applied to identify muscular and reflexive contributions to posture maintenance of the arm. Both task instruction (force vs. position) and the inherently linked perturbation type (i.e., force perturbations-position task and position perturbations-force tasks) affect these contributions and their mutual...journal article 2011
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De Vlugt, E. (author), Van Eesbeek, S. (author), Baines, P. (author), Hilte, J. (author), Meskers, C.G.M. (author), De Groot, J.H. (author)Muscles behave as elastic springs during the initial strain phase, indicated as short range stiffness (SRS). Beyond a certain amount of strain the muscle demonstrates a more viscous behavior. The strain at which the muscle transits from elastic- to viscous-like behavior is called the elastic limit and is believed to be the result of breakage of...journal article 2011
Searched for: department%3A%22Biomechanical%255C%252BEngineering%22
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