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H. W. Reinhardt, G. J. Parra-Montesinos, H. Garrecht - HPFRCC-7.

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H. W. Reinhardt (Hrsg.), G. J. Parra-Montesinos (Hrsg.), H. Garrecht (Hrsg.)

HPFRCC-7.

2015

Treffer in den folgenden Teilen:

Y.-J. Choi, S.-H. Chao Seismic performance of full-scale high-performance fiber-reinforced (HPFRC) special moment frame slab-beam-column subassemblage using joints as the major energy dissipation source S. 409-416

„… ductility can be obtained [2]. Unlike the steel SMFs, however, beam-column joints of RC moment frames are …” „… end moments by a moment arm equal to 7/8 of beam’s effective depth. The measured joint strength of …” „… 409 SEISMIC PERFORMANCE OF FULL-SCALE HIGH-PERFORMANCE FIBER-REINFORCED (HPFRC) SPECIAL MOMENT FRAME …”

S.K. Swar, S.K. Sharma, H.K. Sharma Performance characteristics of HPDSP concrete: an overview S. 79-86

„… structures with high ductility. In the analysis of reinforced concrete moment resisting frames the joints …” „… joints such that higher load level moments and curvatures were attained and larger displacements and …” „… corresponding to moment, shear forces and axial forces for the reinforced concrete beamcolumn joint …”

S. Ortlepp, R. Masou, R. Ortlepp Demountable construction for sustainable buildings S. 441-448

„… . To activate friction within joints a permanent load, a prestressing or an interlocking (nubby blocks …” „… case of bearing a bending moment by using blocks, it is necessary to superpose occurring tensile …” „… stress by a normal stress by applying a centric load. A significant bending moment exists. To reduce …”

I. Paegle, G. Fischer Modeling the load-deformation response of FRC structural members S. 481-488

„… ultimate moment capacity of a structural element [6], [7]. Therefore, two simplifying assumptions are made …” „… calculating the plastic moment capacity assumes a simplified stress profile. This paper describes a novel …” „… MODELING APPROACH Figure 2 illustrates the RFS properties, which are derived from a moment-rotation angle …”

J.L. Vitek, M. Kalný, R. Coufal Cable stayed footbridge made of UHPC S. 449-456

„… 11.3 m long had to be produced and assembled on the site. The joints were glued by epoxy resin as it …” „… is usual at segmental bridges. The stresses in joints proved to be critical for design, especially …” „… to the pylon using a fork and pin joint. At the bottom end the stays were equipped with a threaded …”

B.A. Graybeal UHP-FRC connections: delivering innovation and enhancing performance S. 433-440

„… bonding of the field-cast material at the cold joints. Practical challenges such as top surface alignment …” „… bar connections, 2) rehabilitative connections, and 3) durable joints. Large bar connections refers …” „… reinforcement detailing (13). Durable joints refers to the use of UHP-FRC to redesign connections such that …”

M.J. Bandelt, S.L. Billington Impact of reinforcement ratio on deformation capacity of reinforced highperformance fiber-reinforced cementitious composites S. 457-464

„… GJ, Peterfreund SW, Chao S (2006) Highly Damage-Tolerant Beam-Column Joints Through Use of …” „… , Moreno DM, Billington SL (2014) Seismic Retrofit of Steel Moment-Resisting Frames with High-Performance …” „… cementitious composites versus normal concrete in beam-column joints under reversed cyclic loading. Mater …”

Subject index S. 507-510

„… test 129 Basalt fibres 201, 327 Beam column joint 85 Bending resistance 187, 491 Bingham equation …” „… rupture 309, 356 Mohr-Coulomb failure criterion 426 Moment-curvature diagram 494 Multiple cracking 213 …”

Titelei/Inhaltsverzeichnis

„… high-performance fiber-reinforced (HPFRC) special moment frame slab-beam-column subassemblage using joints as the …” „… Concrete (ISBN: 2-912143-25-X); Ed. R. Eligehausen PRO 22: International RILEM Symposium on Joints in …” „… . Binda and R. C. de Vekey PRO 27: International RILEM Symposium on Building Joint Sealants (CD03); Ed. A …”

T. Sajdlová, P. Kabele Finite element analysis of test configurations for identification of interface parameters in layered FRCC systems S. 425-432

„… applied onto a hardened substrate, the interfaces become cold joints, which have different properties …” „… sustains only shear force but no bending moment. According to the Bernoulli-Euler C o h e si ve t ra ct …”

doi.org/10.51202/9783816793977

Petrissa Zell - Learning-Based Inverse Dynamics for Human Motion Analysis

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Petrissa Zell

Learning-Based Inverse Dynamics for Human Motion Analysis

Reihe: Informatik/ Kommunikation

Band 877 2022

Treffer in den folgenden Teilen:

Introduction S. 1-14

„… beassessed using the knowledge gained in the training phase; i. e. unobservable joint moments(and contact …” „… . Onecommon choice are the net joint moments which unite the effect of all forces acting on thelinkage of body …” „… metabolic energy. They yield a foundation forassessing human motion. Joint moments cannot be measured in a …”

Titelei/Inhaltsverzeichnis

„… LernenKeywords: inverse dynamics – machine learning – human motion – joint moments – gait analysis – artificial …” „… % for reaction forces, reaction moments and joint moments which correspond to Pearson‘s correlation …” „… objective is to estimate joint torques,ground reaction forces and ground reaction moments at both feet based …”

Conclusions S. 123-126

„… of joint torques, an additional inverse layer is proposed which matchesexterior forces and moments to …” „… derivesphysically plausible 3D trajectories and accurate joint moments from image data remainsa goal of future …” „… forces and moments.The model maintains stable performance even with very limited labeled training …”

Related work S. 15-22

„… momentsFigure 4: Schematic visualization of explicit dynamics formulations.Based on the dynamics of a skeletal …” „… considered. They consist of multiple rigid bodies linked by joints.The effect of the muscle and tendon forces …” „… gravity and moment ofinertia. Average values of these parameters in the population and their relation to …”

Self-supervision by dynamics-based layers S. 95-122

„… forces/moments at theproximal joint can be determined from the previously calculated forces/moments at thedistal …” „… as and thegravitational acceleration g. The moment Mp exerted at the proximal joint can becalculated …” „… acceleration. The cross products account forthe moments resulting from the forces acting on the joints. Here …”

Supervised learning of inverse dynamics S. 76-94

„… described, the goal is to estimate external forces and moments aswell as joint torques from a kinematic …” „… the graphs in Figure 26. Nevertheless, asymmetric joint moments could be predicted, inpart, due to the …” „… and moments.The abnormal gait detection results demonstrate how learning-based inverse dynamicscould …”

Bibliography S. 130-152

„… KneeJoint Moments During Performance of the Bodyweight Squat: Effects of StanceWidth and Foot Rotation.” In …” „… , and Zhongmin Jin. “Human lower extremity joint moment prediction: Awavelet neural network approach …” „… Representations (ICLR). 2015.[63] Kristof Kipp. “Relative importance of lower extremity net joint moments in …”

Fundamentals S. 23-61

„… joint moments.4. Near singularities there may not exist a unique solution to the inverse …” „… joint moments is exemplified in Figure 11.The gravitational acceleration vector g contains g = −9.81 m/s …” „… modelled forces and moments.The Jacobian components are calculated from the Denavit-Hartenberg …”

Human motion dataset S. 62-75

„… andthe net joint moments. The following sections describe the recording of kinematics andcontact forces …” „… , the joint moments can be deduced from the EOM. For better readabilityof the following description, the …” „… and treadmill walking executed by 44subjects. The data provided includes joint angles, joint moments …”

doi.org/10.51202/9783186877109

VDI / VDE - Schraubentechnikglossar – Fastening technology glossary

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VDI / VDE (Hrsg.)

Schraubentechnikglossar – Fastening technology glossary

Reihe: Blaue Papiere

Band 03/2024 2024

Treffer in den folgenden Teilen:

Begriffe / Terms and definitions S. 12-49

„… Messstelle. proportionate mass moment of inertia at the measurement side (Θmess) in kg∙m² Proportionate …” „… mass moment of inertia around the measurement axis, valid for the measure-ment side of the torque …” „… Prozessfähigkeitsun-tersuchung haben. tightening speed Superordinate term for the rotational speed at which a bolted joint case …”

Übersicht der definierten Benennungen / Overview of defined terms S. 5-11

„… Massenträgheitsmoment der Messseite proportionate mass moment of inertia at the measurement side 13 Anzeigeeinheit unit …” „… Bezugskennwert reference characteristic value 17 Biegemomenteinfluss bending moment effect 17 Biegesteifigkeit …” „… Gebrauchsbereich operating range 24 Grenzbiegemoment bending moment limit 24 Grenzdrehmoment torque limit 24 …”

doi.org/10.51202/9783949971785

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Bauingenieur

Alle Ausgaben: Bauingenieur

Bauingenieur Jahrgang 93 (2018) Heft 04 ISSN Online: 0005-6650

Treffer in den folgenden Teilen:

M. Garifullin, B. Launert, M. Heinisuo, H. Pasternak, K. Mela, S. Pajunen Effect of welding residual stresses on local behavior of rectangular hollow section joints/Einfluss der Schweißeigenspannungen auf die Tragfähigkeit von Rechteck-Hohlprofil-KnotenTeil 1: Entwicklung eines numerischen Modells S. 152-159

„… limit is found as dlim = 0.03 b0 (3) Similarly, for a joint loaded by an in-plane moment: (4 …” „… brace. The moment-rotation response of the joints is presented in figure 7, where all three finite …” „… Joints 1111 and 1121 Bild 16. Momenten-Rotations-Beziehung für Knoten 1111 und 1121 Hauptaufsatz 159 …”

doi.org/10.37544/0005-6650-2018-04

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Bauingenieur

Alle Ausgaben: Bauingenieur

Bauingenieur Jahrgang 93 (2018) Heft 05 ISSN Online: 0005-6650

Treffer in den folgenden Teilen:

M. Garifullin, B. Launert, M. Heinisuo, H. Pasternak, K. Mela, S. Pajunen Effect of welding residual stresses on local behavior of rectangular hollow section joints/Einfluss der Schweißeigenspannungen auf die Tragfähigkeit von Rechteck-Hohlprofil-KnotenTeil 2: Parameterstudien S. 207-213

„… residual stresses is more pronounced for the joints with thinner walls: plastic moment resistance …” „… presence of residual stresses positively affects the bearing capacity of joints. For moment-loaded joints …” „… section joints Part 2 – Parametric studies M. Garifullin, B. Launert, M. Heinisuo, H. Pasternak, K. Mela …”

doi.org/10.37544/0005-6650-2018-05

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