Modelling and Control of a Spherical Inverted Pendulum on a Five-Bar Mechanism
This paper describes the kinematics and dynamics modelling of a mechanical system consisting of a spherical inverted pendulum whose base is mounted on a parallel planar mechanism, better known as a five-bar mechanism. The whole mechanism has four degrees of freedom, but it has only two actuators and...
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2015-07-01
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Online Access: | https://doi.org/10.5772/60027 |
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doaj-17bc811df28c40c785ac6d1ac6f736b82020-11-25T03:40:52ZengSAGE PublishingInternational Journal of Advanced Robotic Systems1729-88142015-07-011210.5772/6002710.5772_60027Modelling and Control of a Spherical Inverted Pendulum on a Five-Bar MechanismIsrael Soto0Ricardo Campa1Institute of Engineering and Technology, Universidad Autónoma de Ciudad Juárez, Ciudad Juárez, Chihuahua, MexicoDivision of Graduate Studies and Research, Instituto Tecnológico de la Laguna, Torreón, Coahuila, MexicoThis paper describes the kinematics and dynamics modelling of a mechanical system consisting of a spherical inverted pendulum whose base is mounted on a parallel planar mechanism, better known as a five-bar mechanism. The whole mechanism has four degrees of freedom, but it has only two actuators and so it is an under-actuated system. The nonlinear dynamics model of the complete system is first obtained using a non-minimal set of generalized coordinates, and then a reduced equivalent model is computed. To validate this approach, the reduced model is linearized and simulations are carried out, showing the stabilization of the system with a simple LQR controller. Experimental results on an academic prototype are also presented.https://doi.org/10.5772/60027 |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Israel Soto Ricardo Campa |
spellingShingle |
Israel Soto Ricardo Campa Modelling and Control of a Spherical Inverted Pendulum on a Five-Bar Mechanism International Journal of Advanced Robotic Systems |
author_facet |
Israel Soto Ricardo Campa |
author_sort |
Israel Soto |
title |
Modelling and Control of a Spherical Inverted Pendulum on a Five-Bar Mechanism |
title_short |
Modelling and Control of a Spherical Inverted Pendulum on a Five-Bar Mechanism |
title_full |
Modelling and Control of a Spherical Inverted Pendulum on a Five-Bar Mechanism |
title_fullStr |
Modelling and Control of a Spherical Inverted Pendulum on a Five-Bar Mechanism |
title_full_unstemmed |
Modelling and Control of a Spherical Inverted Pendulum on a Five-Bar Mechanism |
title_sort |
modelling and control of a spherical inverted pendulum on a five-bar mechanism |
publisher |
SAGE Publishing |
series |
International Journal of Advanced Robotic Systems |
issn |
1729-8814 |
publishDate |
2015-07-01 |
description |
This paper describes the kinematics and dynamics modelling of a mechanical system consisting of a spherical inverted pendulum whose base is mounted on a parallel planar mechanism, better known as a five-bar mechanism. The whole mechanism has four degrees of freedom, but it has only two actuators and so it is an under-actuated system. The nonlinear dynamics model of the complete system is first obtained using a non-minimal set of generalized coordinates, and then a reduced equivalent model is computed. To validate this approach, the reduced model is linearized and simulations are carried out, showing the stabilization of the system with a simple LQR controller. Experimental results on an academic prototype are also presented. |
url |
https://doi.org/10.5772/60027 |
work_keys_str_mv |
AT israelsoto modellingandcontrolofasphericalinvertedpendulumonafivebarmechanism AT ricardocampa modellingandcontrolofasphericalinvertedpendulumonafivebarmechanism |
_version_ |
1724532430421884928 |