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Artículo

Limiting vertical acceleration for ride comfort in active suspension systems

León-Vargas, Fabian; Garelli, FabricioIcon ; Zapateiro, Mauricio
Fecha de publicación: 03/2018
Editorial: Professional Engineering Publishing Ltd
Revista: Proceedings Of The Institution Of Mechanical Engineers Part I-journal Of Systems And Control Engineering
ISSN: 0959-6518
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Ingeniería de Sistemas y Comunicaciones

Resumen

This article proposes a new adaptive control algorithm for active suspension systems of passenger cars. It combines a proportional–integral–derivative controller for suspension deflection together with a sliding mode reference conditioning outer loop that uses the vertical acceleration of the car body as a complementary source of control. The proposed approach is software-based and allows setting up limit values to critical variables, such as the vertical acceleration, which can be directly tuned by the system designer to range from the original proportional–integral–derivative response to other ones with tighter control on the constrained variable. A longitudinal half-car system subject to irregular excitation from a road surface is used for assessment. The proposed proportional–integral–derivative with sliding mode reference conditioning is compared to the same proportional–integral–derivative controller without the outer conditioning loop, as well as with a passive suspension system. International standards on overall vibration magnitudes are used to quantify the differences obtained in this assessment. Results obtained from the proposed control system show better performance and handle trade-offs, improving the ride comfort without adversely affecting the road holding of the car.
Palabras clave: Active Suspension System , Half-Car , Road Comfort , Sliding Mode Reference Conditioning
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/62107
DOI: https://dx.doi.org/10.1177/0959651817745469
URL: http://journals.sagepub.com/doi/10.1177/0959651817745469
Colecciones
Articulos(LEICI)
Articulos de INSTITUTO DE INVESTIGACIONES EN ELECTRONICA, CONTROL Y PROCESAMIENTO DE SEÑALES
Citación
León-Vargas, Fabian; Garelli, Fabricio; Zapateiro, Mauricio; Limiting vertical acceleration for ride comfort in active suspension systems; Professional Engineering Publishing Ltd; Proceedings Of The Institution Of Mechanical Engineers Part I-journal Of Systems And Control Engineering; 232; 3; 3-2018; 223-232
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