Special purposes off-road vehicles are mainly used in very harsh conditions and environments. In this paper, the design and testing of the suspension system of a off-road amphibious vehicle is described. The suspension system of such vehicles has to comply with different, and conflicting, performances. It has to guarantee suitable on- and off-road characteristics, while, at the same time minimize the disturbance of the wheels during navigation. Starting from the experimentally defined mission profile of the vehicle, the design and testing process of the hydro-pneumatic suspension is presented. Mathematical models of the thermal and mechanical behaviour of the hydraulic system are used to optimize its parameters in order to obtain the desired suspension performance. Fatigue tests have been completed to evaluate the evolution of the performance of the system during the entire vehicle life.
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ASME 2018 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
August 26–29, 2018
Quebec City, Quebec, Canada
Conference Sponsors:
- Design Engineering Division
- Computers and Information in Engineering Division
ISBN:
978-0-7918-5178-4
PROCEEDINGS PAPER
Hydro-Pneumatic Suspension for a 6x6 All-Terrain Amphibious Vehicle: Design and Testing
Massimiliano Gobbi,
Massimiliano Gobbi
Politecnico di Milano, Milan, Italy
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Giuseppe Marinaro,
Giuseppe Marinaro
D.P.S. S.r.l., Piacenza, Italy
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Gianpiero Mastinu,
Gianpiero Mastinu
Politecnico di Milano, Milan, Italy
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Giorgio Previati
Giorgio Previati
Politecnico di Milano, Milan, Italy
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Massimiliano Gobbi
Politecnico di Milano, Milan, Italy
Giuseppe Marinaro
D.P.S. S.r.l., Piacenza, Italy
Gianpiero Mastinu
Politecnico di Milano, Milan, Italy
Giorgio Previati
Politecnico di Milano, Milan, Italy
Paper No:
DETC2018-85796, V003T01A028; 8 pages
Published Online:
November 2, 2018
Citation
Gobbi, M, Marinaro, G, Mastinu, G, & Previati, G. "Hydro-Pneumatic Suspension for a 6x6 All-Terrain Amphibious Vehicle: Design and Testing." Proceedings of the ASME 2018 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 3: 20th International Conference on Advanced Vehicle Technologies; 15th International Conference on Design Education. Quebec City, Quebec, Canada. August 26–29, 2018. V003T01A028. ASME. https://doi.org/10.1115/DETC2018-85796
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