dor_id: 4142985

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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/1920/941

100.1.#.a: Ahmed, N.; Humaidi, A.; Sabah, A.

524.#.#.a: Ahmed, N., et al. (2022). Clinical Trajectory control for lower Knee rehabilitation using ADRC method. Journal of Applied Research and Technology; Vol. 20 Núm. 5, 2022; 576-583. Recuperado de https://repositorio.unam.mx/contenidos/4142985

245.1.0.a: Clinical Trajectory control for lower Knee rehabilitation using ADRC method

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

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

264.#.0.c: 2022

264.#.1.c: 2022-10-31

653.#.#.a: Exoskeleton system; ADRC; nonlinear calculus; disturbance rejection; robustness

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: The design and study of the Active Disturbance Rejection Control (ADRC) approach for control and disturbance rejection for lower knee rehabilitation utilizing a residential exoskeleton system are provided in this paper. Linear ADRC (LADRC) and Nonlinear ADRC (NADRC) are two controllers that are considered for control purposes based on the structure of ADRC. The contrasts between them are thoroughly discussed in this work. The LADRC is made up of a tracking differential (TD), a linear proportional derivative (LPD) controller, and a linear extended state observer (LESO), whereas the NADRC is made up of the same LESO but with a nonlinear PD (NPD) and a modified optimized TD (MTD). In terms of robustness against the ability to reject applied disturbances, a comparison of LADRC and NADRC has been done. The fundamental challenge with ADRC is that its constituent parameters must be fine-tuned. Grey Wolf Optimizer (GWO) has been proposed for tuning the parameters of ADRC to have the least amount of error variation in order to improve the controlled system"s dynamic performance. When a prescribed disturbing torque is applied, the results of a MATLAB simulation show that the LADRC has greater disturbance rejection capabilities than the NADRC.

773.1.#.t: Journal of Applied Research and Technology; Vol. 20 Núm. 5 (2022); 576-583

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

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

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300.#.#.a: Páginas: 576-583

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

doi: https://doi.org/10.22201/icat.24486736e.2022.20.5.1920

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

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Artículo

Clinical Trajectory control for lower Knee rehabilitation using ADRC method

Ahmed, N.; Humaidi, A.; Sabah, A.

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

Ahmed, N., et al. (2022). Clinical Trajectory control for lower Knee rehabilitation using ADRC method. Journal of Applied Research and Technology; Vol. 20 Núm. 5, 2022; 576-583. Recuperado de https://repositorio.unam.mx/contenidos/4142985

Descripción del recurso

Autor(es)
Ahmed, N.; Humaidi, A.; Sabah, A.
Tipo
Artículo de Investigación
Área del conocimiento
Ingenierías
Título
Clinical Trajectory control for lower Knee rehabilitation using ADRC method
Fecha
2022-10-31
Resumen
The design and study of the Active Disturbance Rejection Control (ADRC) approach for control and disturbance rejection for lower knee rehabilitation utilizing a residential exoskeleton system are provided in this paper. Linear ADRC (LADRC) and Nonlinear ADRC (NADRC) are two controllers that are considered for control purposes based on the structure of ADRC. The contrasts between them are thoroughly discussed in this work. The LADRC is made up of a tracking differential (TD), a linear proportional derivative (LPD) controller, and a linear extended state observer (LESO), whereas the NADRC is made up of the same LESO but with a nonlinear PD (NPD) and a modified optimized TD (MTD). In terms of robustness against the ability to reject applied disturbances, a comparison of LADRC and NADRC has been done. The fundamental challenge with ADRC is that its constituent parameters must be fine-tuned. Grey Wolf Optimizer (GWO) has been proposed for tuning the parameters of ADRC to have the least amount of error variation in order to improve the controlled system"s dynamic performance. When a prescribed disturbing torque is applied, the results of a MATLAB simulation show that the LADRC has greater disturbance rejection capabilities than the NADRC.
Tema
Exoskeleton system; ADRC; nonlinear calculus; disturbance rejection; robustness
Idioma
eng
ISSN
ISSN electrónico: 2448-6736; ISSN: 1665-6423

Enlaces