Human-inspired control of bipedal walking robots

AD Ames - IEEE Transactions on Automatic Control, 2014 - ieeexplore.ieee.org
This paper presents a human-inspired control approach to bipedal robotic walking: utilizing
human data and output functions that appear to be intrinsic to human walking in order to …

Modeling the kinematics of human locomotion over continuously varying speeds and inclines

KR Embry, DJ Villarreal, RL Macaluso… - IEEE transactions on …, 2018 - ieeexplore.ieee.org
Powered knee and ankle prostheses can perform a limited number of discrete ambulation
tasks. This is largely due to their control architecture, which uses a finite-state machine to …

A robust parameterization of human gait patterns across phase-shifting perturbations

DJ Villarreal, HA Poonawala… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
The phase of human gait is difficult to quantify accurately in the presence of disturbances. In
contrast, recent bipedal robots use time-independent controllers relying on a mechanical …

Terrain-adaptive, alip-based bipedal locomotion controller via model predictive control and virtual constraints

G Gibson, O Dosunmu-Ogunbi… - 2022 IEEE/RSJ …, 2022 - ieeexplore.ieee.org
This paper presents a gait controller for bipedal robots to achieve highly agile walking over
various terrains given local slope and friction cone information. Without these …

Towards the unification of locomotion and manipulation through control lyapunov functions and quadratic programs

AD Ames, M Powell - Control of Cyber-Physical Systems: Workshop held …, 2013 - Springer
This paper presents the first steps toward unifying locomotion controllers and algorithms with
whole-body control and manipulation. A theoretical framework for this unification will be …

A survey of phase variable candidates of human locomotion

DJ Villarreal, RD Gregg - … conference of the ieee engineering in …, 2014 - ieeexplore.ieee.org
Studies show that the human nervous system is able to parameterize gait cycle phase using
sensory feedback. In the field of bipedal robots, the concept of a phase variable has been …

Exploring kinodynamic fabrics for reactive whole-body control of underactuated humanoid robots

A Adu-Bredu, G Gibson, J Grizzle - 2023 IEEE/RSJ International …, 2023 - ieeexplore.ieee.org
For bipedal humanoid robots to successfully operate in the real world, they must be
competent at simultaneously executing multiple motion tasks while reacting to unforeseen …

Learning impedance controller parameters for lower-limb prostheses

N Aghasadeghi, H Zhao, LJ Hargrove… - 2013 IEEE/RSJ …, 2013 - ieeexplore.ieee.org
Impedance control is a common framework for control of lower-limb prosthetic devices. This
approach requires choosing many impedance controller parameters. In this paper, we show …

Footstep and motion planning in semi-unstructured environments using randomized possibility graphs

MX Grey, AD Ames, CK Liu - 2017 IEEE International …, 2017 - ieeexplore.ieee.org
Traversing environments with arbitrary obstacles poses significant challenges for bipedal
robots. In some cases, whole body motions may be necessary to maneuver around an …

[PDF][PDF] Terrain-aware foot placement for bipedal locomotion combining model predictive control, virtual constraints, and the alip

G Gibson, O Dosunmu-Ogunbi, Y Gong… - arxiv preprint arxiv …, 2021 - academia.edu
This paper draws upon three themes in the bipedal control literature to achieve highly agile,
terrain-aware locomotion. By terrain aware, we mean the robot can use information on …