Relevant bibliographies by topics / Reactive foot placement

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  3. Conference papers

Academic literature on the topic 'Reactive foot placement'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Reactive foot placement"

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Castano, Juan Alejandro, Zhibin Li, Chengxu Zhou, Nikos Tsagarakis, and Darwin Caldwell. "Dynamic and Reactive Walking for Humanoid Robots Based on Foot Placement Control." International Journal of Humanoid Robotics 13, no. 02 (2016): 1550041. http://dx.doi.org/10.1142/s0219843615500413.

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This paper presents a novel online walking control that replans the gait pattern based on our proposed foot placement control using the actual center of mass (COM) state feedback. The analytic solution of foot placement is formulated based on the linear inverted pendulum model (LIPM) to recover the walking velocity and to reject external disturbances. The foot placement control predicts where and when to place the foothold in order to modulate the gait given the desired gait parameters. The zero moment point (ZMP) references and foot trajectories are replanned online according to the updated f
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Fleischmann, Jana, Guillaume Mornieux, Dominic Gehring, and Albert Gollhofer. "Medial Compressible Forefoot Sole Elements Reduce Ankle Inversion in Lateral SSC Jumps." Journal of Applied Biomechanics 29, no. 3 (2013): 346–53. http://dx.doi.org/10.1123/jab.29.3.346.

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Sideward movements are associated with high incidences of lateral ankle sprains. Special shoe constructions might be able to reduce these injuries during lateral movements. The purpose of this study was to investigate whether medial compressible forefoot sole elements can reduce ankle inversion in a reactive lateral movement, and to evaluate those elements’ influence on neuromuscular and mechanical adjustments in lower extremities. Foot placement and frontal plane ankle joint kinematics and kinetics were analyzed by 3-dimensional motion analysis. Electromyographic data of triceps surae, perone
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Li, Jinfeng, and Helen J. Huang. "Small directional treadmill perturbations induce differential gait stability adaptation." Journal of Neurophysiology 127, no. 1 (2022): 38–55. http://dx.doi.org/10.1152/jn.00091.2021.

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Little is known about if and how humans can adapt to small magnitude perturbations experienced on a stride-by-stride basis during walking. Here, we show that even small perturbations disrupted gait stability and that subjects could still adapt their reactive balance control. Depending on the perturbation direction, subjects might prefer adjusting their foot placement over their center of mass and vice versa. These findings could help potentially tune balance training to target specific aspects of balance.
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van der Veen, Susanne M., Ulrike Hammerbeck, and Kristen L. Hollands. "Foot-placement accuracy during planned and reactive target stepping during walking in stroke survivors and healthy adults." Gait & Posture 81 (September 2020): 261–67. http://dx.doi.org/10.1016/j.gaitpost.2020.08.114.

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HEINEN, THOMAS, ISABELL ARTMANN, ANJA BRINKER, and MARC NICOLAUS. "Task dependency of movement regulation in female gymnastic vaulting." Baltic Journal of Health and Physical Activity 7, no. 4 (2015): 61–72. http://dx.doi.org/10.29359/bjhpa.07.4.06.

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Background: In gymnastics vaulting it is thought that gymnasts regulate their run-up on the basis of visually perceived environmental information, such as the position of the springboard, with the aim of an accurate foot placement on the springboard. The question, however, arises if these regulative processes found in gymnastics vaulting can be generalized to other tasks with similar demands but differing dynamics? Material/Methods: To answer this question, ten female gymnasts were asked to perform two target-directed gymnastics tasks that were similar in task demands but differed in task dy-n
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Mathunny, Jaison Jacob, Hari Krishnan Srinivasan, Ashok Kumar, and Varshini Karthik. "A Cross-Sectional Study on Fall Direction and Lower Limb Loading in Response to a Perturbation on Laterally Inclined Platform." Applied Bionics and Biomechanics 2023 (October 27, 2023): 1–9. http://dx.doi.org/10.1155/2023/7385119.

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Perturbation-based balance training (PBT) improves reactive stepping in older adults and people with neurological disorders. Slip-induced falls are a threat to older adults, leading to hip fractures. Fall-prone individuals must be trained to regain balance during a fall in the posterolateral direction. This study aims to analyze the characteristics of the reactive step induced by a laterally inclined platform. This cross-sectional study included 46 healthy participants who performed a “lean and release” backward fall using a platform with two inclined angles on each side. Kinovea software was
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Haarman, Juliet A. M., Mark Vlutters, Keizer Richelle A. C. M. Olde, et al. "Paretic versus non-paretic stepping responses following pelvis perturbations in walking chronic-stage stroke survivors." Journal of NeuroEngineering and Rehabilitation 14, no. 1 (2017): 106. https://doi.org/10.1186/s12984-017-0317-z.

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<strong>Background: </strong>The effects of a stroke, such as hemiparesis, can severely hamper the ability to walk and to maintain balance during gait. Providing support to stroke survivors through a robotic exoskeleton, either to provide training or daily-life support, requires an understanding of the balance impairments that result from a stroke. Here, we investigate the differences between the paretic and non-paretic leg in making recovery steps to restore balance following a disturbance during walking.<strong>Methods: </strong>We perturbed 10 chronic-stage stroke survivors during walking u
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Zhang, Jiwen, Zeyang Xia, Li Liu, and Ken Chen. "Footstep adaptation strategy for reactive omnidirectional walking in humanoid robots." Robotica 36, no. 1 (2017): 57–77. http://dx.doi.org/10.1017/s0263574717000157.

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SUMMARYStability, high response quality and rapidity are required for reactive omnidirectional walking in humanoids. Early schemes focused on generating gaits for predefined footstep locations and suffered from the risk of falling over because they lacked the ability to suitably adapt foot placement. Later methods combining stride adaptation and center of mass (COM) trajectory modification experienced difficulties related to increasing computing loads and an unwanted bias from the desired commands. In this paper, a hierarchical planning framework is proposed in which the footstep adaption task
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Nieuwenhuijzen, P. H. J. A., and J. Duysens. "Proactive and Reactive Mechanisms Play a Role in Stepping on Inverting Surfaces During Gait." Journal of Neurophysiology 98, no. 4 (2007): 2266–73. http://dx.doi.org/10.1152/jn.01226.2006.

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Ankle inversions have been studied extensively during standing conditions. However, inversion traumas occur during more dynamic conditions, like walking. Therefore in this study sudden ankle inversions were elicited in 12 healthy subjects who stepped on a trap door while walking on a treadmill. First, 10 control trials (0° of rotation) were presented. Then, 20 stimulus (25° of rotation) and control trials were presented randomly. EMG recordings were made of six lower leg muscles. All muscles showed a short-latency response (SLR) of about 40 ms and a late-latency response (LLR) of about 90 ms.
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Raab, Stephanie, Julia Athans, Zachary Kroll, et al. "335 Ischemic conditioning improves dynamic balance during treadmill walking in chronic stroke survivors." Journal of Clinical and Translational Science 8, s1 (2024): 101–2. http://dx.doi.org/10.1017/cts.2024.299.

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OBJECTIVES/GOALS: Evaluate the use of IC to improve stroke survivors’ capacity for reactive stepping and adapt their gait cycles in response to a difficult walking environment. We hypothesize that IC will improve stroke survivors’ protective stepping response via improvements in muscle activation and motor learning METHODS/STUDY POPULATION: Stroke survivors have an impaired capacity for protective stepping. Decreased paretic muscle activation results in increased reaction time and reduced force generation. Ischemic conditioning (IC) is a vascular stimulus which improves motor performance in ch
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Book chapters on the topic "Reactive foot placement"

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Mostolizadeh, Saber. "Alginate, Polymer Purified from Seaweed." In Biochemistry. IntechOpen, 2024. http://dx.doi.org/10.5772/intechopen.112666.

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Seaweeds are one of the rich sources of minerals, protein, vitamins, edible fibers, and also have different functional polysaccharides necessary for human nutrition. Alginates are natural polymers that are part of the polysaccharides group. Alginate is a naturally occurring biopolymer that is found in the cell walls of algae or brown seaweed. Sodium alginate is one of the best-known members of the hydrogel group. The hydrogel is a water-swollen and cross-linked polymeric network produced by the simple reaction of one or more monomers. It has a linear (unbranched) structure based on d-mannuroni
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Conference papers on the topic "Reactive foot placement"

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Barasuol, Victor, Marco Camurri, Stephane Bazeille, Darwin G. Caldwell, and Claudio Semini. "Reactive trotting with foot placement corrections through visual pattern classification." In 2015 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS). IEEE, 2015. http://dx.doi.org/10.1109/iros.2015.7354191.

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Al Rubaya, Ahmed Meshaal, Alexey Alexeyenko, and Ashraf Khateeb. "Advanced Downhole Torsional Oscillation Control Tool Improved Dynamics and Field Average ROP." In International Petroleum Technology Conference. IPTC, 2024. http://dx.doi.org/10.2523/iptc-24250-ea.

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Abstract The introduction of a novel torsional oscillation control technology, characterized by its high amplitude, extended attenuation length, and mode-coupled axial excitation, has been instrumental in enhancing drilling dynamics and augmenting the on-bottom drilling rate of penetration (ROP). To effectively integrate this technology, a strategic approach was employed, which involved the use of a multi-point elastic contact force software for tool placement modeling. This software is adept at pinpointing string elastic breakover points and discerning localized contact side forces within the
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Mihalec, Marko, and Jingang Yi. "Capturability of Inverted Pendulum Gait Model Under Slip Conditions." In ASME 2018 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/dscc2018-9203.

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This paper presents a simple inverted pendulum gait model to study walking under slip conditions. The model allows for both the horizontal and vertical movements of the center of mass during normal walking and walking gaits with foot slip. Stability of the system is analyzed using the concept of capturability. Considering foot placement as a control input, we obtain the stable regions which lead to stable gait. The size of those stable regions is used to evaluate the effect of the coefficient of friction and the slip reaction time on capturability. We also analyze the feasibility of recovery f
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Thompson, Lara A., and Mehdi Badache. "Investigating Center-of-Pressure Based Parameters to Quantify Athlete and Non-Athlete Balance." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-65642.

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Through ground reaction (foot) forceplate-based, center-of-pressure (COP) parameters, we aimed to investigate differences in standing balance for young, healthy individuals from both athlete (soccer) and non-athlete subject populations. We investigated five, COP displacement and velocity parameters derived from the COP position time series. Soccer athlete and non-athlete subjects performed standing balance for postural tasks of increasing difficulty levels, by varying visual cues (eyes-open/eyes-closed) and base of support (wide/tandem foot placement), leading to four test conditions: 1) wide/
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Durbha, Venkat, and Perry Y. Li. "Energetically Passive Bilateral Teleoperation of a Pneumatic Crawling Robot." In ASME/BATH 2019 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/fpmc2019-1681.

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Abstract This paper presents the control methodology and experimental results for the bilateral haptic tele-operation of a pneumatic actuated crawling robot. The two front legs of a robot are teleoperated via a pair of PHANToM haptic interfaces. The system gives the human operator the impression that he/she is physically moving and positioning the robot legs. As the legs hit the ground, the operator would also feel the reaction force via the haptic feedback provided by the PHANToMs. To reduce the physical effort by the operator, kinematic and power scaling factors are applied. For stable tele-
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