2009
M Tuma; I Iossifidis; G Schöner
Temporal stabilization of discrete movement in variable environments: An attractor dynamics approach Proceedings Article
In: 2009 IEEE International Conference on Robotics and Automation, pp. 863–868, IEEE, 2009, ISBN: 978-1-4244-2788-8.
Abstract | Links | BibTeX | Tags: attractor dynamics approach, Autonomous robotics, dynamical systems, hopf oscillator
@inproceedings{Tuma2009b,
title = {Temporal stabilization of discrete movement in variable environments: An attractor dynamics approach},
author = {M Tuma and I Iossifidis and G Schöner},
url = {http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5152562},
doi = {10.1109/ROBOT.2009.5152562},
isbn = {978-1-4244-2788-8},
year = {2009},
date = {2009-05-01},
booktitle = {2009 IEEE International Conference on Robotics and Automation},
pages = {863–868},
publisher = {IEEE},
abstract = {The ability to generate discrete movement with distinct and stable time courses is important for interaction scenarios both between different robots and with human partners, for catching and interception tasks, and for timed action sequences. In dynamic environments, where trajectories are evolving online, this is not a trivial task. The dynamical systems approach to robotics provides a framework for robust incorporation of fluctuating sensor information, but control of movement time is usually restricted to rhythmic motion and realized through stable limit cycles. The present work uses a Hopf oscillator to produce discrete motion and formulates an online adaptation rule to stabilize total movement time against a wide range of disturbances. This is integrated into a dynamical systems framework for the sequencing of movement phases and for directional navigation, using 2D-planar motion as an example. The approach is demonstrated on a Khepera mobile unit in order to show its reliability even when depending on low-level sensor information.},
keywords = {attractor dynamics approach, Autonomous robotics, dynamical systems, hopf oscillator},
pubstate = {published},
tppubtype = {inproceedings}
}
The ability to generate discrete movement with distinct and stable time courses is important for interaction scenarios both between different robots and with human partners, for catching and interception tasks, and for timed action sequences. In dynamic environments, where trajectories are evolving online, this is not a trivial task. The dynamical systems approach to robotics provides a framework for robust incorporation of fluctuating sensor information, but control of movement time is usually restricted to rhythmic motion and realized through stable limit cycles. The present work uses a Hopf oscillator to produce discrete motion and formulates an online adaptation rule to stabilize total movement time against a wide range of disturbances. This is integrated into a dynamical systems framework for the sequencing of movement phases and for directional navigation, using 2D-planar motion as an example. The approach is demonstrated on a Khepera mobile unit in order to show its reliability even when depending on low-level sensor information.
Matthias Tuma; Ioannis Iossifidis; Gregor Schöner
Temporal Stabilization of Discrete Movement in Variable Environments: An Attractor Dynamics Approach Proceedings Article
In: Proc. IEEE International Conference on Robotics and Automation ICRA '09, pp. 863–868, Kobe, Japan, 2009.
Abstract | BibTeX | Tags: attractor dynamics approach, Autonomous robotics, dynamical systems, hopf oscillator
@inproceedings{Tuma2009,
title = {Temporal Stabilization of Discrete Movement in Variable Environments: An Attractor Dynamics Approach},
author = {Matthias Tuma and Ioannis Iossifidis and Gregor Schöner},
year = {2009},
date = {2009-01-01},
booktitle = {Proc. IEEE International Conference on Robotics and Automation ICRA '09},
pages = {863–868},
address = {Kobe, Japan},
abstract = {The ability to generate discrete movement with distinct and stable time courses
is important for interaction scenarios both between different robots and with human partners,
for catching and interception tasks, and for timed action sequences.
In dynamic environments, where trajectories are evolving on-line, this is not a trivial task.
The dynamical systems approach to robotics provides a framework for robust
incorporation of fluctuating sensor information, but control of movement time is usually
restricted to rhythmic motion and realized through stable limit cycles. The present work
uses a Hopf oscillator to produce discrete motion and formulates an on-line adaptation rule
to stabilize total movement time against a wide range of disturbances. This is integrated into
a dynamical systems framework for the sequencing of movement phases and for directional navigation, using 2D-planar motion
as an example. The approach is demonstrated on a Khepera mobile unit in order to show its
reliability even when depending on low-level sensor information.},
keywords = {attractor dynamics approach, Autonomous robotics, dynamical systems, hopf oscillator},
pubstate = {published},
tppubtype = {inproceedings}
}
The ability to generate discrete movement with distinct and stable time courses
is important for interaction scenarios both between different robots and with human partners,
for catching and interception tasks, and for timed action sequences.
In dynamic environments, where trajectories are evolving on-line, this is not a trivial task.
The dynamical systems approach to robotics provides a framework for robust
incorporation of fluctuating sensor information, but control of movement time is usually
restricted to rhythmic motion and realized through stable limit cycles. The present work
uses a Hopf oscillator to produce discrete motion and formulates an on-line adaptation rule
to stabilize total movement time against a wide range of disturbances. This is integrated into
a dynamical systems framework for the sequencing of movement phases and for directional navigation, using 2D-planar motion
as an example. The approach is demonstrated on a Khepera mobile unit in order to show its
reliability even when depending on low-level sensor information.
is important for interaction scenarios both between different robots and with human partners,
for catching and interception tasks, and for timed action sequences.
In dynamic environments, where trajectories are evolving on-line, this is not a trivial task.
The dynamical systems approach to robotics provides a framework for robust
incorporation of fluctuating sensor information, but control of movement time is usually
restricted to rhythmic motion and realized through stable limit cycles. The present work
uses a Hopf oscillator to produce discrete motion and formulates an on-line adaptation rule
to stabilize total movement time against a wide range of disturbances. This is integrated into
a dynamical systems framework for the sequencing of movement phases and for directional navigation, using 2D-planar motion
as an example. The approach is demonstrated on a Khepera mobile unit in order to show its
reliability even when depending on low-level sensor information.