dor_id: 4110126

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351.#.#.6: https://jart.icat.unam.mx/index.php/jart

351.#.#.b: Journal of Applied Research and Technology

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856.4.0.u: https://jart.icat.unam.mx/index.php/jart/article/view/671/647

100.1.#.a: Urrea, Claudio; Pascal, José

524.#.#.a: Urrea, Claudio, et al. (2017). Parameter identification methods for real redundant manipulators. Journal of Applied Research and Technology; Vol. 15 Núm. 4. Recuperado de https://repositorio.unam.mx/contenidos/4110126

245.1.0.a: Parameter identification methods for real redundant manipulators

502.#.#.c: Universidad Nacional Autónoma de México

561.1.#.a: Instituto de Ciencias Aplicadas y Tecnología, UNAM

264.#.0.c: 2017

264.#.1.c: 2019-06-11

653.#.#.a: Robot dynamics; System identification; Mathematical model; Error indices

506.1.#.a: La titularidad de los derechos patrimoniales de esta obra pertenece a las instituciones editoras. Su uso se rige por una licencia Creative Commons BY-NC-SA 4.0 Internacional, https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode.es, para un uso diferente consultar al responsable jurídico del repositorio por medio del correo electrónico gabriel.ascanio@icat.unam.mx

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041.#.7.h: eng

520.3.#.a: This work presents the development, assessment and comparison of four techniques for identifying dynamic parameters in an industrial redundant manipulator robot with 5 degrees of freedom. Based on the Lagrange–Euler formulation, a linear model of the robot with unknown parameters is obtained. Then, these parameters are identified using the following techniques least squares, artificial Adaline neural networks, artificial Hopfield neural networks and extended Kalman filter. The parameters identified are validated by using them for computationally simulating the performance of the redundant manipulator robot, to which are imposed reference trajectories different from the ones used in the estimation. To relate the trajectories performed by the redundant manipulator robot with the estimated parameters, the following error indexes are calculated Residual Mean Square, Residual Standard Deviation and Agreement Index. Finally, to determine the sensitivity of the model identified – due to the variations of the estimated parameters – a new simulation is conducted on the robot, considering that its parameters vary in a restricted range. In addition, the RMS error index of the trajectories performed is determined. After this step, the parameters of the redundant manipulator robot were successfully identified and, thus, its mathematical model was known.

773.1.#.t: Journal of Applied Research and Technology; Vol. 15 Núm. 4

773.1.#.o: https://jart.icat.unam.mx/index.php/jart

022.#.#.a: ISSN electrónico: 2448-6736; ISSN: 1665-6423

310.#.#.a: Bimestral

264.#.1.b: Instituto de Ciencias Aplicadas y Tecnología, UNAM

doi: https://doi.org/10.1016/j.jart.2017.02.004

harvesting_date: 2023-11-08 13:10:00.0

856.#.0.q: application/pdf

file_creation_date: 2017-08-29 10:35:29.0

file_modification_date: 2017-08-29 05:07:46.0

file_creator: Claudio Urrea

file_name: bebf3c47d06855bca4a52766c23efd14b72f45018de51388c01078bd73f9a418.pdf

file_pages_number: 12

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file_size: 2607772

last_modified: 2024-03-19 14:00:00

license_url: https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode.es

license_type: by-nc-sa

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Artículo

Parameter identification methods for real redundant manipulators

Urrea, Claudio; Pascal, José

Instituto de Ciencias Aplicadas y Tecnología, UNAM, publicado en Journal of Applied Research and Technology, y cosechado de Revistas UNAM

Licencia de uso

Procedencia del contenido

Cita

Urrea, Claudio, et al. (2017). Parameter identification methods for real redundant manipulators. Journal of Applied Research and Technology; Vol. 15 Núm. 4. Recuperado de https://repositorio.unam.mx/contenidos/4110126

Descripción del recurso

Autor(es)
Urrea, Claudio; Pascal, José
Tipo
Artículo de Investigación
Área del conocimiento
Ingenierías
Título
Parameter identification methods for real redundant manipulators
Fecha
2019-06-11
Resumen
This work presents the development, assessment and comparison of four techniques for identifying dynamic parameters in an industrial redundant manipulator robot with 5 degrees of freedom. Based on the Lagrange–Euler formulation, a linear model of the robot with unknown parameters is obtained. Then, these parameters are identified using the following techniques least squares, artificial Adaline neural networks, artificial Hopfield neural networks and extended Kalman filter. The parameters identified are validated by using them for computationally simulating the performance of the redundant manipulator robot, to which are imposed reference trajectories different from the ones used in the estimation. To relate the trajectories performed by the redundant manipulator robot with the estimated parameters, the following error indexes are calculated Residual Mean Square, Residual Standard Deviation and Agreement Index. Finally, to determine the sensitivity of the model identified – due to the variations of the estimated parameters – a new simulation is conducted on the robot, considering that its parameters vary in a restricted range. In addition, the RMS error index of the trajectories performed is determined. After this step, the parameters of the redundant manipulator robot were successfully identified and, thus, its mathematical model was known.
Tema
Robot dynamics; System identification; Mathematical model; Error indices
Idioma
eng
ISSN
ISSN electrónico: 2448-6736; ISSN: 1665-6423

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