kinematics of deformation and motion
Prediction of deformation and hygro-thermal stresses distribution in PEM fuel cell vehicle using threedimensional CFD model
... displacement, and the degree of the deformation in MEA are directly related to the increasing of current density, due to increasing of heat generation This result may explain the occurrence of cracks and ... and optimization of fuel cells, improve long-term performance and lifetime, the introduction of cheaper materials and fabrication techniques, and the design and development of novel architectures ... applications, and the durability of fuel cell stack components remains, in most cases, insufficiently understood Lengthy required testing times, lack of understanding of most degradation mechanisms, and...
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Báo cáo y học: "A pilot study of rizatriptan and visually-induced motion sickness in migraineu"
... headache, and dizziness with eyes open and closed Severity of abnormalities in each category are rated by the subject and technician, with a range of scores for nausea of to 16, for skin color of to ... frequency of about 50% 23 This increased susceptibility to motion sickness in migraineurs is of uncertain cause and can occur with both self motion, i.e., vestibular-induced motion sickness, and with ... vestibular testing 5, Motion sickness provides an easily reproduced vestibular symptom Motion sickness can be induced by stimulation of the vestibular receptors via actual motion or motion of visual surroundings,...
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adaptive motion of animals and machines - hiroshi kimura et al (eds)
... understand the principles of animals’ remarkable ability for adaptive motion and to transfer such abilities to a robot Up to now, mechanisms for generation and control of stereotyped motions and ... Common and different control properties of Qp and Bp locomotion Similarity and difference in the kinematics of lower limbs during Bp walking between our monkey model and the human ... Dynamics and control of bipedal locomotion Journal of Theoretical Biology, 163:277-314 Blickhan R, Full RJ, 1987, Locomotion energetics of the ghost crab: II Mechanics of the center of mass J...
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báo cáo hóa học:"Necessary and sufficient condition for the smoothness of intersection local time of subfractional Brownian motions" docx
... special class of self-similar Gaussian processes The aim of this paper is to prove the existence, smoothness, regularity of the intersection local time of S H and S H , for H = and d ≥ It is ... for all t, s ≥ Existence of the intersection local time The aim of this section is to prove the existence of the intersection local time of S H and S H , for an H = and d ≥ We have obtained the ... positive constants c1 and c2 so that c1 G(x) ≤ F (x) ≤ c2 G(x) in the common domain of definition for F and G For a, b ∈ R, a ∧ b := min{a, b} and a ∨ b := max{a, b} By Lemma 4.2 of Yan and Shen [24],...
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Báo cáo hóa học: " Necessary and sufficient condition for the smoothness of intersection local time of subfractional Brownian motions Guangjun Shen" pptx
... Journal of Inequalities and Applications 2011, 2011:139 http://www.journalofinequalitiesandapplications.com/content/2011/1/139 Page 11 of 16 where CH,T >0 is a constant depending only on H and T and ... (s,t u,v )n+ Shen Journal of Inequalities and Applications 2011, 2011:139 http://www.journalofinequalitiesandapplications.com/content/2011/1/139 Page 12 of 16 Proof of Proposition For >0, T ... Yan and Shen [24] Because of interesting properties of sub-fBm, such as short-/long-range dependence and self-similarity, it can be widely used in a variety of areas such as signal processing and...
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Báo cáo hóa học: " Molecular Dynamics Simulation of Nanoindentation-induced Mechanical Deformation and Phase Transformation in Monocrystalline Silicon" potx
... completely withdrawn Residual phases consist of a mixture of Si-III and Si-XII (in green), Si-II, and the amorphous phase The presence of Si-III and Si-XII as well as the amorphous phase corresponds ... phase transformation region of the former is smaller than the latter A ring surrounding Si-II of a mixedphase of bct5-Si and Si-I is also present Crystallinity of Si-III and Si-XII for monocrystalline ... distance of 2.39 A and also a unique ˚ one at a distance of 3.23 or 3.36 A at GPa [22, 23] Upon pressure release, part of the highly pressured Si-II phase would transform to a mixed-phase of metastable...
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Báo cáo hóa học: " Research Article Monocular 3D Tracking of Articulated Human Motion in Silhouette and Pose Manifolds" ppt
... October 2007 C Curio and M A Giese, “Combining view-based and modelbased tracking of articulated human movements,” in Proceedings of IEEE Workshop on Motion and Video Computing (MOTION ’05), vol ... Comparing with [17, 28], the separate kinematics and silhouette manifold learning is a limitation of our proposed framework View-independent tracking and handling of ambiguous solutions are critical ... dimensionality of the silhouettes and to recover the structure of silhouettes from different views 8 EURASIP Journal on Image and Video Processing different dimensions of Y, the marginalized distribution of...
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Adaptive Motion of Animals and Machines - Hiroshi Kimura et al (Eds) Part 1 docx
... understand the principles of animals’ remarkable ability for adaptive motion and to transfer such abilities to a robot Up to now, mechanisms for generation and control of stereotyped motions and ... Common and different control properties of Qp and Bp locomotion Similarity and difference in the kinematics of lower limbs during Bp walking between our monkey model and the human ... (Editors) Adaptive Motion of Animals and Machines With 241 Figures ABC Hiroshi Kimura Graduate School of Information Systems University of Electro-Communications 1-5-1 Chofu-ga-oka, Chofu, Tokyo 182-8585,...
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Adaptive Motion of Animals and Machines - Hiroshi Kimura et al (Eds) Part 2 ppsx
... Dynamics and control of bipedal locomotion Journal of Theoretical Biology, 163:277-314 Blickhan R, Full RJ, 1987, Locomotion energetics of the ghost crab: II Mechanics of the center of mass J ... take up and push off Furthermore the amplitude and the time course of the angular velocity is rather similar in the different tasks Almost independent of the load and thus of reaction force and muscle ... beams under torsion and bending describe the action of the trunk of quadruped during trotting and galloping Acknowledgements Supported by grants of the DFG: Innovation College Motion Systems”,...
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Adaptive Motion of Animals and Machines - Hiroshi Kimura et al (Eds) Part 3 pptx
... possibility of employing state -of- the-art interventional recording techniques and cellular-to-systems level of neuroscientific analysis to the study of locomotion We think that the study of posture and ... excitation along first one and then the other side of the body The activation of any two pairs of segments has a constant phase relationship regardless of the speed of propagation of the traveling wave ... Functional organization of the lamprey CPG Each segment or small group of segments consists of a pair of coupled oscillators The coupling is ascending and descending, and long and short (adapted from...
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Adaptive Motion of Animals and Machines - Hiroshi Kimura et al (Eds) Part 4 doc
... control of Bp standing and Bp walking, and especially of the adaptability of locomotor movements to meet the environmental demands This adaptability is one of the most important characteristics of ... center of mass at touch down of the forelimbs (extended back) and of the hindlimbs (bended back) The radius of the circle corresponds to the strength of the interval of confidence Vertical motions of ... position of the center of mass (CoM) in the body frame of the pika during half-bound cycles CoM is aligned with first of the ulna of the trailing and second of the leading limb during major parts of...
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Adaptive Motion of Animals and Machines - Hiroshi Kimura et al (Eds) Part 5 pdf
... Locomotion with One, Four and Six-Legged Robots J of the Robotics Society of Japan 20(3):15-20 Full R J and Koditschek D 1999 Templates and Anchors: Neuromechanical Hypotheses of Legged Locomotion ... each leg has two degrees of freedom (DOF): the actuated revolute hip DOF, and the passive linear compliant leg DOF In the bound gait the essential components of the motion take place in the sagittal ... center of mass in human walking and running - J exp Biol 201(pt 21): 2935-2944 12 Full R.J., Koditschek D.E.(1999): Templates and anchors: neuromechanical hypotheses of legged locomotion on land...
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Adaptive Motion of Animals and Machines - Hiroshi Kimura et al (Eds) Part 6 ppsx
... to consider and understand the mechanism of the gait of the snakes for mechanical design and control law of snake robots Snake robots are active code mechanism and useful for search and rescue ... segments, each of which has two legs, i.e., right and left legs For simplicity, the right and left legs of each body segment are allowed to move in phase, and the duty factor and trajectory of all the ... Conference on Simulation of Adaptive Behavior 2000, 23-32 19 Pfeifer, R (2000b) On the role of embodiment in the emergence of cognition and emotion In H Hatano, N Okada, and H Tanabe (eds.) Affective...
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Adaptive Motion of Animals and Machines - Hiroshi Kimura et al (Eds) Part 7 ppt
... Locomotion and GA based Motion Planning for Transition of Locomotion Modes of a 3-dimensional Snake-like Robot, Proc IEEE Int Conf on Robotics and Automation, pp 1507-1512, 2002 G S Chirikijian and ... motion between the inverted pendulum motion of the supporting leg and the two-DOF pendulum motion of the swinging leg, as well as the balance of the input and the output energy, should have stable ... model and its basic equations of locomotion will be introduced In section 3, we show the typical simulated results of stable biped locomotion on level ground with and without a bent knee angle and...
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Adaptive Motion of Animals and Machines - Hiroshi Kimura et al (Eds) Part 8 docx
... transportable and easy to handle biped, we (intuitively) put the maximum total weight on kg Regarding the amount Design and Construction of MIKE 149 (and weight) of the electrical and mechanical ... walking with knees,” Proceedings of 1990 IEEE Robotics and Automation Conf., pp.1640-1645 13 McGeer, T., 1993, “Dynamics and control of bipedal locomotion,” Journal of Theoretical Biology, 163, pp.277-314 ... of Robotics Research, 3(2), pp.60-74 Furusho, j., and Masubuchi, M, 1986, “Control of a Dynamical Biped Locomotion System for Steady Walking,” Trans ASME, J of Dynamic Systems, Measurement, and...
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Adaptive Motion of Animals and Machines - Hiroshi Kimura et al (Eds) Part 9 docx
... sake of the continuous walking of robot and taking place of the entrainment phenomenon, we adopt a kind of PD control which gains are regulated by the state of the contact phase of swing leg And, ... sense of Lyapunov, where Tp (k) is a time when the k-th impact occurs Proof Basically, it can be proved by similar way of the proof of lemma and in [5] At first, let the set of the states of the ... “generation of PDW using the entrainment phenomena and the Motion Generation and Control of Quasi Passsive Dynamic Walking 169 concept of DFC so as to be needless of correctly design of the reference...
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Adaptive Motion of Animals and Machines - Hiroshi Kimura et al (Eds) part 10 pps
... generation of human bipedal locomotion Fig A model of the neuro-musculo-skeletal system for human locomotion [14] Nonlinear Dynamics of Human Locomotion 193 Fig The results of computer simulation of ... system) in isolation of the body The transformation of traveling waves of muscular activity into standing waves of movements when the salamander is placed on ground is an illustration of the complex ... Sz´kely and G Cz´h Organization of locomotion In Frog Neurobiology, a e e Handbook, pages 765–792 Springer Verlag, Berlin, 1976 M Wheatley, M Edamura, and R.B Stein A comparison of intact and in-vitro...
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Adaptive Motion of Animals and Machines - Hiroshi Kimura et al (Eds) part 11 ppsx
... Neurobiological bases of rhythmic motor acts in vertebrates, Science, 228, 143-149 202 Gentaro Taga Fig A model of the development of bipedal locomotion of infants and results of computer simulation ... integrated neuro-control of posture and locomotion may be extended for understanding the adaptive mechanism of primate locomotion Introduction Variations in osteological and muscular anatomy in ... equation of motion of the model is derived as M¨ + h(q, q) + g − α(q) + β(q) = T + Φ q ˙ ˙ (1) where q is a (51 x 1) vector of translational and angular displacement of the middle trunk segment and...
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