Готові списки джерел за темами / Walking mechanisms

Добірка наукової літератури з теми "Walking mechanisms"

Автор: Grafiati
Опубліковано: 30 травня 2022
Оновлено: 31 травня 2022

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Статті в журналах з теми "Walking mechanisms"

1

Rong, Yu, Zhen Lin Jin, and Meng Ke Qu. "Study on Mechanics Structural Synthesis of Six-Legged Walking Robot with Parallel Leg Mechanisms." Advanced Materials Research 496 (March 2012): 247–50. http://dx.doi.org/10.4028/www.scientific.net/amr.496.247.

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In order to use the parallel leg mechanisms in the six-legged robot, a six-legged walking robot with parallel leg mechanisms was presented. A six-legged walking robot type synthesis method based on screw theory was proposed. By this method, the paper carried on the structural synthesis of whole robot and the parallel leg mechanisms. 2-UPS&UP mechanism was chosen as the leg mechanism of the six-legged walking robot. 2-UPS&UP mechanism had been proven not to be an instantaneous mechanism by the displacement manifold theory. The specific structure of the six-legged walking robot based on2-UPS&UP mechanism was designed. These studies laid the theoretical foundation for further study of the six-legged walking robot. This type synthesis method could be used for the design of other multi-legged walking robot.
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2

TAKEDA, Yukio. "Parallel Mechanisms in Walking Robots." Journal of the Robotics Society of Japan 10, no. 6 (1992): 745–50. http://dx.doi.org/10.7210/jrsj.10.745.

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3

Liang, Conghui, Hao Gu, Marco Ceccarelli, and Giuseppe Carbone. "Design and operation of a tripod walking robot via dynamics simulation." Robotica 29, no. 5 (October 12, 2010): 733–43. http://dx.doi.org/10.1017/s0263574710000615.

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SUMMARYA mechanical design and dynamics walking simulation of a novel tripod walking robot are presented in this paper. The tripod walking robot consists of three 1-degree-of-freedom (DOF) Chebyshev–Pantograph leg mechanisms with linkage architecture. A balancing mechanism is mounted on the body of the tripod walking robot to adjust its center of gravity (COG) during walking for balancing purpose. A statically stable tripod walking gait is performed by synchronizing the motions of the three leg mechanisms and the balancing mechanism. A three-dimensional model has been elaborated in SolidWorks® engineering software environment for a characterization of a feasible mechanical design. Dynamics simulation has been carried out in the MSC.ADAMS® environment with the aim to characterize and to evaluate the dynamic walking performances of the proposed design with low-cost easy-operation features. Simulation results show that the proposed tripod walking robot with proper input torques, gives limited reaction forces at the linkage joints, and a practical feasible walking ability on a flatten ground.
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4

Orendurff, Michael S., Greta C. Bernatz, Jason A. Schoen, and Glenn K. Klute. "Kinetic mechanisms to alter walking speed." Gait & Posture 27, no. 4 (May 2008): 603–10. http://dx.doi.org/10.1016/j.gaitpost.2007.08.004.

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5

Zhang, Fu, Yafei Wang, Limin Zheng, Tianle Ma, and Jiajia Wang. "Biomimetic walking mechanisms: Kinematic parameters of goats walking on different slopes." Concurrency and Computation: Practice and Experience 30, no. 24 (August 27, 2018): e4913. http://dx.doi.org/10.1002/cpe.4913.

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6

Ogata, Masaru, and Shigeo Hirose. "Study on Ankle Mechanisms for Walking Robots -Fundamental Considerations on its Functions and Morphology-." Journal of Robotics and Mechatronics 16, no. 1 (February 20, 2004): 23–30. http://dx.doi.org/10.20965/jrm.2004.p0023.

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Walking robots need terrain adaptive ankle and sole mechanism to move stably on rugged ground. In this paper, the designs of the ankle mechanism for walking robots are discussed. First, we consider required functions for ankle mechanism. An effective ankle mechanism requires the following characteristics: 1) lightweight and robust mechanism, 2) ability to adapt to the ground, 3) sensing function, 4) torque generating or freezing its shape function after landing. Next, we explain the validity of the remote center mechanism and connected differential mechanism. The actual designs of passive terrain adaptive ankle mechanisms are discussed. Finally, the ankle mechanism of quadruped walking robot “TITAN-IX,” which is developed for mine detection and removal tasks, is mentioned. In order to examine the validities of proposed mechanisms, basic experiments were carried out using one-leg model of TITAN-IX.
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7

Zhang, S. J., D. J. Sanger, and D. Howard. "The Mechanics of Parallel Mechanisms and Walking Machines." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 208, no. 6 (November 1994): 367–77. http://dx.doi.org/10.1243/pime_proc_1994_208_142_02.

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A parallel mechanism is one whose links and joints form two or more serially connected chains which join the fixed base and the end effector The mechanism of a multi-legged walking machine can be considered as a parallel mechanism whose base is not fixed and whose configuration changes during different phases of its gait. This paper presents methods for analysing the mechanics of parallel mechanisms and walking machines using vector and screw algebra Firstly, displacement analysis is covered; this includes general methods for deriving the position vector of any joint in any leg and for calculating the active joint displacements in any leg. Secondly, velocity analysis is covered which tackles the problem of calculating active joint velocities given the velocity, position and the orientation of the body and the positions of the feet. Thirdly, the static analysis of these classes of mechanisms using the principle of virtual work and screw algebra is given. Expressions are derived for the actuator forces and torques required to balance a given end effector (or body) wrench and, in the case of a walking machine, the ground reactions at the feet. Numerical examples are given to demonstrate the application of these methods.
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8

Volkov, I. V., Ya V. Kalinin, N. A. Surganov, and S. N. Shabanov. "OVERVIEW OF DOCKING DEVICES FOR A WHEELED WALKING PLATFORM FOR AGRO-ROBOT." IZVESTIA VOLGOGRAD STATE TECHNICAL UNIVERSITY, no. 1(248) (January 27, 2021): 52–54. http://dx.doi.org/10.35211/1990-5297-2021-1-248-52-54.

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This article is devoted to an overview of docking mechanisms of the wheeled-walking platform for an agro-robot. It describes the advantages of dividing the wheeled-walking platform into two different platforms. An overview of the docking mechanism designs is presented. A table of advantages and disadvantages of each of the docking mechanisms is given.
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9

CHILDRESS, STEPHEN. "Walking on water." Journal of Fluid Mechanics 644 (February 10, 2010): 1–4. http://dx.doi.org/10.1017/s0022112009993107.

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Many insects and spiders can travel on the water surface by rapid synchronized movements of the legs. It has been found that frictional forces, capillary waves and the creation of water jets and eddies beneath the fluid surface are all involved in the mechanisms of propulsion used by these creatures. Elaborate adaptations of the body structure mediate the wetting and de-wetting of the body surface to provide support and differential adhesion. Flow visualization as well as theoretical modelling have led to an understanding of the mechanisms invoked by water striders and spiders for water walking with a variety of gaits and speeds.
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10

Fernández Menéndez, Aitor, Mathieu Saubade, Grégoire P. Millet, and Davide Malatesta. "Energy-saving walking mechanisms in obese adults." Journal of Applied Physiology 126, no. 5 (May 1, 2019): 1250–58. http://dx.doi.org/10.1152/japplphysiol.00473.2018.

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Energy-saving mechanisms are used in human walking. In obese adults the energy cost of walking (Cw) is higher compared with normal-body mass adults. However, the biomechanical factors involved in this extra cost should result in a higher Cw. The aim of this study was to compare energy-saving walking mechanisms [i.e., mechanical energy saved via pendulum (Recovery) and maximum possible elastic energy usage (MPEEu)] and their influence on Cw in obese vs. lean individuals. The net Cw (NetCw), external work (Wext), Recovery, MPEEu, and gait weight transfer duration (gWT) were computed for 13 lean [L; body mass index (BMI) 21.9 ± 1.5 kg/m2] and 13 obese (O; BMI 33.8 ± 2.5 kg/m2) individuals during treadmill walking at five speeds (0.56, 0.83, 1.11, 1.39, 1.67 m/s). No significant difference was found between groups in relative (per kg of body mass) NetCw ( P = 0.13). Relative positive Wext was significantly lower at the three fastest speeds ( P ≤ 0.003) whereas Recovery was higher at the two fastest speeds ( P ≤ 0.01) in O than in L individuals. MPEEu tended to be lower in O than in L ( P = 0.06), with significantly lower values in O compared with L at 1.39 and 1.67 m/s ( P ≤ 0.017). gWT was significantly shorter in O than in L individuals at 1.67 m/s ( P = 0.001). The present results reveal that obese adults rely more on the pendular mechanism than on the storage and release of elastic energy for decreasing the amount of positive Wext and thus limiting the increase in the relative NetCw. NEW & NOTEWORTHY We observed that obese individuals had a lower maximum possible elastic energy usage per kilogram of body mass than their lean counterparts and they may rely more on the pendular mechanism of walking than on the storage and release of elastic energy for decreasing the external mechanical work and thus limiting the increase in the relative net energy cost of walking.
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Дисертації з теми "Walking mechanisms"

1

Ludwar, Björn. "Mechanisms for intersegmental leg coordination in walking stick insects." [S.l. : s.n.], 2003. http://deposit.ddb.de/cgi-bin/dokserv?idn=968372333.

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2

Wei, Terence. "A robot designed for walking nd climbing based on abstracted cockroach locomotion mechanisms." online version, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=case1131722937.

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3

Wei, Terence E. "A Robot Designed for Walking and Climbing Based on Abstracted Cockroach Locomotion Mechanisms." Case Western Reserve University School of Graduate Studies / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=case1131722937.

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4

Blazek, Alisa D. "Integrative Approach to Understanding the Multimodal Effects of Exercise Adaptation." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1439546709.

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5

Seebacher, Barbara. "Effects and mechanisms of rhythmic-cued motor imagery on walking, fatigue and quality of life in people with multiple sclerosis." Thesis, University of Brighton, 2018. https://research.brighton.ac.uk/en/studentTheses/ab8be449-917f-4b44-8f52-1e74bc17244b.

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BACKGROUND: walking impairment, fatigue and reduced (health-related, HR) quality of life (QoL) are key problems for people with multiple sclerosis (pwMS). Motor imagery (MI) and rhythmic cueing have been shown to improve motor function. It is unclear whether a combined rhythmic-cued MI treatment is effective in pwMS. AIMS: the aims of this thesis were to investigate the effects and mechanisms of differently cued and non-cued MI on walking, fatigue, (HR)QoL, MI ability and gait synchronisation with music beat in pwMS. Two randomised controlled trials and a reliability study were conducted, to examine the gait analysis instruments. METHODS: adults with mild to moderate MS were recruited at the MS-Clinic, Innsbruck Medical University, Austria and randomised to one of three groups. Participants practised MI of walking for 17 minutes, 6 times per week for 4 weeks. In Study 1, music-verbal-MI group participants performed music- and verbally-cued MI, metronome-verbal-MI group participants practiced metronome- and verbally-cued MI and participants in the control group received no intervention apart from their usual care, as all participants did. In Study 2, participants in the music-verbal-MI group practised music-cued MI with verbal cueing, participants in the music-MI group performed music-only cued MI and non-cued MI participants practised MI alone. Primary outcomes were walking speed and walking distance. Secondary outcomes were walking perception, fatigue, (HR)QoL, MI ability and sensorimotor synchronisation, of gait to a music beat. RESULTS: after rhythmic-cued MI, significant improvements in walking speed, distance and perception were observed when compared to no intervention or noncued MI. The greatest and clinically most significant improvements in fatigue and (HR)QoL were seen after music- and verbally-cued MI. All participants were able to perform MI and showed improved MI ability after the 4 week intervention. The gait analysis instruments used were shown to be reliable. Post-intervention, sensorimotor synchronisation was significantly more accurate in participants in the rhythmic-cued MI groups, as compared to those in the non-cued MI group. There were no adverse events, full compliance was observed and 217 participated in the whole study. CONCLUSIONS: as a stand-alone treatment, both non-cued and metronome- and verbally-cued MI significantly improved walking in pwMS. All types of rhythmic-cued MI significantly improved walking, fatigue and (HR)QoL in pwMS, but music- and verbally-cued MI was shown to be superior. After a familiarisation with rhythmic-cued MI, all participants showed high MI ability. This suggests that participants were undertaking MI and supports MI being a reasonable explanation for the improvements found. Sensorimotor synchronisation improved only after cued MI and might be another mechanism which contributed to participants’ walking improvements. This thesis, therefore, provides recommendations for physiotherapists on utilising rhythmic-cued MI, without physical practice, for the treatment of walking impairment and fatigue in pwMS.
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Peyré-Tartaruga, Leonardo Alexandre. "Energética e mecânica da caminhada e corrida humana com especial preferência à locomoção em plano inclinado e efeitos da idade." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2008. http://hdl.handle.net/10183/12723.

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Dois modelos mecânicos, o pêndulo-invertido e o massa-mola, explicam como os mecanismos pendular e elástico minimizam o dispêndio energético advindo dos músculos durante caminhada e corrida humana. A presente tese testa dois efeitos que, para nosso conhecimento, todavia não possuem respostas conclusivas da literatura, nomeadamente o processo de envelhecimento na mecânica da corrida humana e o efeito da inclinação do terreno na velocidade ótima da caminhada. Para estudar o primeiro efeito, as forças de reação do solo provenientes de uma plataforma de força (4m x 0,50m), foram usadas para a posterior comparação de: i) trabalho mecânico, ii) parâmetros do sistema massa-mola e, iii) assimetrias contatodespregue entre jovens e idosos. Os idosos produzem menos força durante a fase de trabalho mecânico positivo com uma menor oscilação vertical total e oscilação durante a fase aérea. Conseqüentemente a capacidade de armazenar e re-utilizar energia elástica dos tendões é prejudicada contribuindo para o maior dispêndio energético neste grupo quando comparado com jovens.Para o modelo do custo eletromiográfico (EMG) da caminhada humana criou-se duas abordagens: experimental e teórica. Em ambas as abordagens, informações da atividade EMG de dezesseis músculos, sendo 8 posturais e 8 propulsores foram coletadas e analisadas a partir da integral EMG. A abordagem teórica parece ter uma melhor relação com as evidências experimentais sobre a energética da caminhada humana em inclinações. Os principais mecanismos envolvidos na nova hipótese são i) músculos posturais que não realizam trabalho muscular, exercem uma função importante na determinação do dispêndio energético total e ii) a presente hipótese leva em consideração a co-contração de músculos antagonistas no dispêndioenergético total. Mais experimentos são necessários para confirmar o modelo apresentado neste estudo. Além disso, através de estratégias de otimização e predição linear, um modelo teórico foi delineado a fim de determinar parâmetros mecânicos (comprimento de passada e velocidade de progressão) e energéticos da locomoção terrestre em situações onde as informações disponíveis são apenas a massa e uma curva força de reação vertical versus tempo. Os resultados advindos do modelamento correspondem aos parâmetros determinados experimentalmente. Laboratórios que detenham apenas uma plataforma de força, ou nas áreas onde as informações de entrada do atual modelo sejam as únicas informações (e.g. paleontologia, biomecânica forênsica, etc), a predição de variáveis primárias da locomoção podem ser preditas com razoável acurácia.
Two mechanical models, the inverted pendulum and spring-mass, explain how do the pendular and elastic mechanisms minimizing energy expenditure from muscles during human walking and running. Here, we test two effects that, to our knowledge, do not have yet conclusive responses from literature, specifically the ageing effects on mechanics of human running, and the effect of gradient on walking optimal speed. In order to check the former effect, the ground reaction forces came from a force platform (4m x 0.5m) were used for a later comparison: i) mechanical work, ii) spring-mass parameters and, iii) landing-takeoff asymmetries. The old subjects produce less force during positive work resulting in a smaller overall and aerial vertical oscillation of the centre of mass. Consequently, the potential for restore elastic energy from tendons is reduced contributing to greater energy expenditure than in young subjects. In relation to Electromyographical (EMG) Cost of human walking we created two approaches: experimental and theoretical. In both approaches, information from EMG activity of sixteen muscles, eight postural and eight propulsor were collected and analysed. The theoretical approach seems to fit better with the energy expenditure during gradient walking. The main mechanisms involved in this new hypothesis are i) postural muscles that do not perform muscular work, play an important role in the total energy expenditure and ii) the present hypothesis take the co-contraction into account of the antagonist muscles in the total energy expenditure. Further experiments are necessary to confirm this hypothesis. Besides, using optimization and linear prediction procedures, a theoretical model was designed to estimate mechanical parameters (stride length and velocity of progression) and energetic variables of terrestrial locomotion when available information consists only of mass and one vertical ground reaction force versus time.The results from this modelling are similar to experimentally obtained data. Laboratories with just one force platform, or in areas where the present model’s input information be the unique accessible data (e.g. palaeontology, forensic biomechanics, etc) the prime variables of locomotion may be estimated with reasonable accuracy.
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7

Поліщук, Михайло Миколайович. "Автоматизований синтез мобільних роботів довільної орієнтації в технологічному просторі". Thesis, КПІ ім. Ігоря Сікорського, 2021. https://ela.kpi.ua/handle/123456789/45480.

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Дисертація присвячена вирішенню важливої науково-практичної проблеми – розробці методології синтезу мобільних роботів довільної орієнтації (РДО) у технологічному просторі з системами втримання мобільних роботів на поверхні переміщення для компенсації гравітаційного та технологічного навантаження. Запропонована методологія автоматизованого синтезу мобільних роботів довільної орієнтації у технологічному просторі базується на трьох основоположних принципах: 1) нагромадження потенціальної енергії переміщення й перетворення її в кінетичну енергію руху робота; 2) інтеграції приводів поздовжнього й вертикального переміщення; 3) застосування аеродинамічної піднімальної сили як засобу протидії гравітаційному навантаженню на робот. На основі розробленої методології автоматизованого керування синтезом мобільних роботів створені нові модифікації мобільних засобів в галузі робототехніки. Проведені експериментальні дослідження керування технологічними режимами аеродинамічної піднімальної сили як засобу протидії гравітаційному навантаженню, підтверджують доцільність технічних розв'язок мобільних РДО з метою збільшення їх технологічного навантаження.
The dissertation is devoted to solving an important scientific and practical problem – the development of a methodology for controlling the synthesis process of mobile robots of arbitrary orientation in the technological space with systems for holding mobile robots on the surface of moving to compensate for the gravitational load. The soluti on to this problem is aimed at creating a new means of production – a variety of robotics in the form of mobile robots of arbitrary orientation, which takes into account the needs of society, the level of its socio-economic, scientific and technological development in modern production. Studies are devoted to solving the problem of excluding human labor from the sphere of servicing high-rise facilities at industrial and municipal facilities and providing a person with remote automatic control functions. Mobile robots of arbitrary orientation in the technological space, also known as robots with vertical movement, and in international publications under the name Climber Robot are a new modification of mobile robots equipped with tools to hold the robot on a surface of arbitrary orientation relative to the horizon of the technological space. The creation of this type of robotics is at the initial stage and is dictated by the need for technological operations in such areas as monitoring of industrial facilities, installation anddismantling of building structures, repair and preventive maintenance of their components, maintenance of high-rise buildings of public utilities, forest and parklands, etc. n. The problem of using mobile robots is especially relevant in the extreme conditions oftechnological disasters in which human work is dangerous and even unacceptable to humans. The methodology for managing the synthesis of mobile robots in the technological space is based on three fundamental principles: 1) the accumulation of potential displacement energy and its conversion into kinetic energy of robot movement; 2) integration of drives of longitudinal and vertical movement, as well as drives of changing the orientation of the robot along a given route; 3) the use of aerodynamic lifting force as a means of counteracting the gravitational load in order to increase the technological load while reducing the power of the drive drives and the adhesion of the robot to the displacement surface. The indicated directions in world theory and practice of the experimental construction of mobile robots have not yet been investigated. Based on the developed methodology for managing the synthesis of mobile robots, new modifications of mobile robots have been created. The proposed technical solutions allow robots to move along surfaces of arbitrary orientation in various coordinate systems with an arbitrary topology of the surfaces of movement of the robot. The experimental studies of the control of aerodynamic lift regimes as a means of counteracting the gravitational load confirm the feasibility of using the developed technical solutions ofmobile robots. As a result of setting up a full factorial experiment, a regression and analytical model of the relationship between the values of the aerodynamic lift and the operating modes of the jet thrust generator, namely, the number and diameter of nozzles, as well asthe pressure of the compressed air outflow from the generator nozzles, was obtained. The indicated dependences make it possible to determine the quasi -optimal values of thecontrol modes of the aerodynamic thrust generator. Also, dynamic modeling of themovement of mobile robots on surfaces of arbitrary orientation and different topology has been carried out. The obtained analytical dependences make it possible to calculate the ultimate technological load of the robot and the allowable weight of the robot. Thesedependencies formed the basis for the developed engineering techniques for designing functional devices and drives of mobile robots. These engineering methods for calculating the parameters of mobile robots are automated based on CAE technologies for computeraided design systems. Special programs have been created that allow one to calculate the quasi-optimal values of the modes of operation of mobile robots of arbitrary orientation in the technological space. As a result of theoretical and experimental studies, a synthesis of fundamentally new designs of mobile robots for the maintenance of high-rise industrial and agricultural facilities was carried out. New models of mobile robots allow performing not only monitoring operations of the specified objects, but also power technological operations. Such mobile robots make it possible to exclude the presence of a person in hazardous areas for performing various production operations and to hand over to the operator only the functions of controlling the robots, which is especially important for the conditions of man-made disasters. The implementation of these modifications helps to reduce the total power of the drives and increase the reliability of the retention of robots on a surfa ce of arbitrary orientation in the technological space.
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8

Brown, Brett C. "Design of a single-degree-of-freedom biped walking mechanism." Connect to resource, 2006. http://hdl.handle.net/1811/6435.

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Thesis (Honors)--Ohio State University, 2006.
Title from first page of PDF file. Document formatted into pages: contains vi, 55 p.; also includes graphics. Includes bibliographical references (p. 43). Available online via Ohio State University's Knowledge Bank.
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9

Grenier, Sylvain. "Internal work measurement and simultaneous oxygen consumption of impaired and normal walking." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0006/MQ36698.pdf.

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10

Funk, Rachel E. "Using the Active Workstation: Effects on Typing Speed and Walking Mechanics." Miami University / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=miami1250781568.

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Книги з теми "Walking mechanisms"

1

Walking machines: An introduction to legged robots. London: Kogan Page, 1985.

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2

Todd, D. J. Walking machines: An introduction to legged robots. New York: Chapman and Hall, 1985.

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3

Todd, D. J. Walking machines: An introduction to legged robots. New York: Chapman and Hall, 1985.

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4

Weber, Wilhelm Eduard. Mechanics of the human walking apparatus. Berlin: Springer-Verlag, 1992.

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5

1806-1871, Weber E., ed. Mechanics of the human walking apparatus. Berlin: Springer-Verlag, 1991.

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6

Baker, Richard. Measuring walking: A handbook of clinical gait analysis. London: Mac Keith Press, 2013.

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7

Vaughan, Christopher L. Gait analysis laboratory: An interactive book & software package. Champaign, Ill: Human Kinetics Publishers, 1992.

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8

Lorenz, Franzen Jens, Köhler Meike, and Moyà-Solà Salvador, eds. Walking upright: Results of the 13th International Senckenberg Conference at the Werner Reimers Foundation, Bad Homburg v. D. H., and at the Senckenberg Research Institute, Frankfurt am Main, October 5-9, 1999. Stuttgart: E. Schweizerbart'sche Verlagsbuchhandlung (Nagele u. Obermiller), 2003.

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9

The human gait. Berlin: Springer-Verlag, 1987.

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10

Quinn, Roger D., and Roy E. Ritzmann. Principles and mechanisms learned from insects and applied to robotics. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780199674923.003.0042.

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This chapter explores how insects have provided inspiration for robotic designs over recent decades as biologists have continued to learn more about these complex invertebrate systems. Initial legged robots typically mimicked insects only in terms of their basic six-legged (hexapod) designs and walking gaits. Since then robots have been developed that take advantage of insect leg and wing designs, compliant structures, movement behaviors, reflexes, and even local neural control systems identified in their central nervous systems. Future robots may be controlled with models of entire insect nervous systems including their brains.
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Частини книг з теми "Walking mechanisms"

1

Moldovan, F., V. Dolga, and C. Pop. "Kinetostatic Analysis of an Articulated Walking Mechanism." In Mechanisms, Transmissions and Applications, 103–10. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-2727-4_9.

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Doroftei, I. "A Hexapod Walking Micro-robot with Artificial Muscles." In Mechanisms and Machine Science, 99–120. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-15862-4_9.

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3

Eugster, Manuela, Melanie Oliveira Barros, Philippe C. Cattin, and Georg Rauter. "Design Evaluation of a Stabilized, Walking Endoscope Tip." In Mechanisms and Machine Science, 127–35. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-58104-6_15.

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Comanescu, Adr, I. Dugaesescu, and D. Comanescu. "Some Structural and Kinematic Characteristics of Micro Walking Robots." In Mechanisms and Machine Science, 73–86. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-15862-4_7.

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Doroftei, I., Ghe Plesu, and B. Stirbu. "Force Distribution for a Walking Robot with Articulated Body." In Mechanisms, Transmissions and Applications, 77–89. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-2727-4_7.

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Gattringer, Hubert, and Hartmut Bremer. "A Penalty Shooting Walking Machine." In IUTAM Symposium on Vibration Control of Nonlinear Mechanisms and Structures, 151–59. Dordrecht: Springer Netherlands, 2005. http://dx.doi.org/10.1007/1-4020-4161-6_13.

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Mohseni-Vahed, Shahram, and Yun Qin. "Effect of Different Terrain Parameters on Walking." In Advances in Reconfigurable Mechanisms and Robots I, 389–97. London: Springer London, 2012. http://dx.doi.org/10.1007/978-1-4471-4141-9_35.

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8

Iáñez, E., Á. Costa, A. Úbeda, E. Hortal, M. Rodríguez-Ugarte, and J. M. Azorín. "Evaluating Cognitive Mechanisms During Walking from EEG Signals." In Converging Clinical and Engineering Research on Neurorehabilitation II, 1463–67. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-46669-9_240.

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Kinosita, Kazuhiko, Katsuyuki Shiroguchi, M. Yusuf Ali, Kengo Adachi, and Hiroyasu Itoh. "On the Walking Mechanism of Linear Molecular Motors." In Regulatory Mechanisms of Striated Muscle Contraction, 369–84. Tokyo: Springer Japan, 2007. http://dx.doi.org/10.1007/978-4-431-38453-3_31.

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Wada, Shuken, Cuauhtemoc Morales-Cruz, José Luis Rueda Arreguin, Marco Ceccarelli, and Nobuyuki Iwatsuki. "An Experimental Analysis of Vibrations During Walking in Humans and Robots." In Mechanisms and Machine Science, 635–43. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-55807-9_71.

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Тези доповідей конференцій з теми "Walking mechanisms"

1

Schilling, M., A. Schneider, H. Cruse, and J. Schmitz. "Local control mechanisms in six-legged walking." In 2008 IEEE/RSJ International Conference on Intelligent Robots and Systems. IEEE, 2008. http://dx.doi.org/10.1109/iros.2008.4650591.

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Birdas, Michail, Narakorn Srinil, and Filip Van den Abeele. "Assessment of Pipeline Walking With Coupled Triggering Mechanisms by Finite Element Approach." In ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/omae2015-42101.

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Asymmetric loading/unloading profiles during the start-up and shut-down operations of high pressure high temperature pipelines may cause an accumulated axial displacement over several operational cycles known as Pipeline Walking phenomenon. This pipeline walking can be triggered by several factors e.g. the seabed slope, riser tension and thermal transients. Several studies have been carried out in the literature regarding the influence from individual factors; nevertheless, very little has been made in the evaluation of coupled triggering mechanisms, common for a pipeline segment. This paper investigates the pipeline walking phenomenon using finite element modelling and analysis software SAGE Profile 3D versus standard analytical formulae. The keys aims are (i) to study the interaction and coupling between the walking triggering mechanisms by comparing coupled and uncoupled analyses, and (ii) to compare the obtained numerical results with analytical predictions, commonly used in the subsea industry. Depending on the pipeline and soil properties, the effect of triggering mechanisms is parametrically investigated with varying pipeline tension and seabed slope for a specific thermal gradient profile. It is found that the common approach to sum up the individual walking rate by the uncoupled analysis for a combination of any two triggering mechanisms, underestimates the walking phenomenon when compared with the coupled analysis. This highlights how attention must be paid to the interaction mechanism. In addition, this study emphasizes that the analytical models severely overestimate the pipeline walking phenomenon, especially when more than one triggering mechanisms are present.
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Savin, Sergei. "RRT-based Motion Planning for In-pipe Walking Robots." In 2018 Dynamics of Systems, Mechanisms and Machines (Dynamics). IEEE, 2018. http://dx.doi.org/10.1109/dynamics.2018.8601473.

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Costa, Alvaro, Rocio Salazar-Varas, Eduardo Ianez, Andres Ubeda, Enrique Hortal, and Jose M. Azorin. "Studying Cognitive Attention Mechanisms during Walking from EEG Signals." In 2015 IEEE International Conference on Systems, Man, and Cybernetics (SMC). IEEE, 2015. http://dx.doi.org/10.1109/smc.2015.162.

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5

Allgeuer, Philipp, and Sven Behnke. "Omnidirectional bipedal walking with direct fused angle feedback mechanisms." In 2016 IEEE-RAS 16th International Conference on Humanoid Robots (Humanoids). IEEE, 2016. http://dx.doi.org/10.1109/humanoids.2016.7803370.

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Chiang, Ming-Hsun, and Fan-Ren Chang. "How anthropomorphic mechanisms help robots achieve human-like walking." In International Conference on Control Engineering and Electronics Engineering. Southampton, UK: WIT Press, 2014. http://dx.doi.org/10.2495/cceee140181.

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Briskin, E. S., V. V. Chernyshev, A. V. Maloletov, and V. V. Zhoga. "The investigation of walking machines with movers on the basis of cycle mechanisms of walking." In 2009 International Conference on Mechatronics and Automation (ICMA). IEEE, 2009. http://dx.doi.org/10.1109/icma.2009.5246483.

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Kim, ChiHyo, KunWoo Park, TaeSung Kim, and MinKi Lee. "Design of a Four Legged Parallel Mechanism to Improve the Dexterity of Walking Robot." In ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/detc2009-86361.

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This paper designs a four legged parallel mechanism to improve the dexterity of three layered parallel walking robot. Topology design is conducted for a leg mechanism composed of four legs, base and ground, which constitute a redundant parallel mechanism. This mechanism is subdivided into four sub-mechanism composed of three legs. A motor vector is adopted to determine the 6×8 Jacobian of the redundant parallel mechanism and the 6×6 Jacobian of the sub-mechanisms, respectively. The condition number of the Jacobian matrix is used as an index to measure a dexterity. We analyze the condition numbers of the Jacobian over the positional and orientational walking space. The analytical results show that a sub-mechanism has lots of singularities within workspace but they are removed by a redundant parallel mechanism improving the dexterity. This paper presents a parallel typed walking robot to enlarge walking space and stability region. Seven types of three layered walking robots are designed by inserting an intermediate mechanism between the upper and the lower legged parallel mechanisms. They provide various types of gaits to walk rough terrain and climb over a wall with small degrees of freedom.
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Savin, Sergei, Sergey Jatsun, and Ludmila Vorochaeva. "Modification of constrained LQR for control of walking in-pipe robots." In 2017 Dynamics of Systems, Mechanisms and Machines (Dynamics). IEEE, 2017. http://dx.doi.org/10.1109/dynamics.2017.8239502.

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Savin, Sergei. "Comparative Analysis of Control Methods for Walking Robots with Nonlinear Sensors." In 2018 Dynamics of Systems, Mechanisms and Machines (Dynamics). IEEE, 2018. http://dx.doi.org/10.1109/dynamics.2018.8601490.

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Звіти організацій з теми "Walking mechanisms"

1

Yang, Xinwei, Huan Tu, and Xiali Xue. The improvement of the Lower Limb exoskeletons on the gait of patients with spinal cord injury: A protocol for systematic review and meta-analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, August 2021. http://dx.doi.org/10.37766/inplasy2021.8.0095.

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Review question / Objective: The purpose of this systematic review and meta-analysis was to determine the efficacy of lower extremity exoskeletons in improving gait function in patients with spinal cord injury, compared with placebo or other treatments. Condition being studied: Spinal Cord Injury (SCI) is a severely disabling disease. In the process of SCI rehabilitation treatment, improving patients' walking ability, improving their self-care ability, and enhancing patients' self-esteem is an important aspect of their return to society, which can also reduce the cost of patients, so the rehabilitation of lower limbs is very important. The lower extremity exoskeleton robot is a bionic robot designed according to the principles of robotics, mechanism, bionics, control theory, communication technology, and information processing technology, which can be worn on the lower extremity of the human body and complete specific tasks under the user's control. The purpose of this study was to evaluate the effect of the lower extremity exoskeleton on the improvement of gait function in patients with spinal cord injury.
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