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Conference Paper (international conference)

COMPUTER SIMULATION STUDY OF THE STABILITY OF UNDERACTUATED BIPEDAL ROBOT MODELS (motivated by Griffin and Grizzle, 2017)

Polach P., Anderle Milan, Zezula Pavel, Papáček Štěpán

: ENGINEERING MECHANICS 2023 : 29th INTERNATIONAL CONFERENCE - BOOK OF FULL TEXTS, p. 207-210 , Eds: Radolf V., Zolotarev I.

: Engineering Mechanics 2023 /29./, (Milovy, CZ, 20230509)

: GA21-03689S, GA ČR

: Mechatronics, Bipedal robot, Multibody dynamics, Acrobot, Control applications

: http://library.utia.cas.cz/separaty/2023/TR/anderle-0572085.pdf

(eng): A key feature for bipedal walkers (robots and humans as well) is their stability or disturbance rejection defined as the ability to deal with unexpected disturbances. The paper by Griffin and Grizzle (2017) have significantly contributed to the shift from flat ground to slopes and steps when evaluating the walking efficiency of their robots. Similarly, in this contribution, based on the appropriate model of robot dynamics and control law, we examine the stability of walking-without-falling for different ground perturbations for a threelink compass gait walker. I.e., we perform the sensitivity analysis of the walking stability of underactuated bipedal walker with respect to certain disturbation using the alaska/MultibodyDynamics simulation tool.

: BC

: 20204

07.01.2019 - 08:39