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Ingeniería, investigación y tecnología
versão On-line ISSN 2594-0732versão impressa ISSN 1405-7743
Resumo
BORTONI-ANZURES, L.; GOMEZ-MELENDEZ, D.; HERRERA-RUIZ, G. e MARTINEZ-MADRID, M.. Fuzzy Controller for Automatic Steering in Heavy Vehicle Semi-Trailers. Ing. invest. y tecnol. [online]. 2013, vol.14, n.1, pp.01-09. ISSN 2594-0732.
Trucks with semi-trailers are widely used for transportation of goods due their low operation cost, but inherent to these vehicles are some problems such as a poor maneuverability. To minimize the effects of this disadvantage, among other solutions, the incorporation of steerable axles in the semitrailers has been proposed. This paper presents a steering equation, and a fuzzy-logic controller for a semi-trailer automatic forced-steering system to minimize the off-tracking and the total swept path width, resulting in an improvement of vehicle's maneuverability at low speeds. To accomplish this, the suggested control algorithm considers the articulation angle and parameters such as vehicle speed and direction. The system was tested on an instrumented experimental semi-trailer during various predetermined test maneuvers.
Palavras-chave : Semi-trailer; automatic steering; fuzzy control; maneuverability.