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  • The TriHyBus is a developed city bus with a hybrid electric propulsion using hydrogen fuel cells. The vehicle driveability is desired to be comparable with the characteristics of standard buses. However, the mass distribution and the total bus mass are rather different. It is the reason of verifying the bus chassis strength (connected with vertical dynamics) and investigating the bus stability (i.e. horizontal dynamics). In order to obtain a tool for dynamic analysis several types of multibody models of hydrogen bus were created. Ignorance of the TriHyBus real shock absorbers force-velocity characteristics was a crucial problem in the investigation of its vertical dynamic properties using computer simulations. Operational tests performed in March 2012 were focused on vertical dynamics of the empty TriHyBus. The operational tests on an uneven test track (so called bump tests) were carried out in a modified way according to the ŠKODA RESEARCH road vehicles testing methodology. A standard artificial test track is created on a common bitumen road with a set of four portable standard bumps (obstacles), the shape of which is defined in the ČSN 30 0560 Czech Standard. On the basis of comparing the simulations results (the air springs relative deflections) and the relative displacements between the axles and the chassis frame that were measured at the testing drives with the real bus, force-velocity characteristics of shock absorbers in axles’ suspension have been improved in the multibody models.
  • The TriHyBus is a developed city bus with a hybrid electric propulsion using hydrogen fuel cells. The vehicle driveability is desired to be comparable with the characteristics of standard buses. However, the mass distribution and the total bus mass are rather different. It is the reason of verifying the bus chassis strength (connected with vertical dynamics) and investigating the bus stability (i.e. horizontal dynamics). In order to obtain a tool for dynamic analysis several types of multibody models of hydrogen bus were created. Ignorance of the TriHyBus real shock absorbers force-velocity characteristics was a crucial problem in the investigation of its vertical dynamic properties using computer simulations. Operational tests performed in March 2012 were focused on vertical dynamics of the empty TriHyBus. The operational tests on an uneven test track (so called bump tests) were carried out in a modified way according to the ŠKODA RESEARCH road vehicles testing methodology. A standard artificial test track is created on a common bitumen road with a set of four portable standard bumps (obstacles), the shape of which is defined in the ČSN 30 0560 Czech Standard. On the basis of comparing the simulations results (the air springs relative deflections) and the relative displacements between the axles and the chassis frame that were measured at the testing drives with the real bus, force-velocity characteristics of shock absorbers in axles’ suspension have been improved in the multibody models. (en)
Title
  • Improvement of the Multibody Models of the TriHyBus on the Basis of Experimental Measurements
  • Improvement of the Multibody Models of the TriHyBus on the Basis of Experimental Measurements (en)
skos:prefLabel
  • Improvement of the Multibody Models of the TriHyBus on the Basis of Experimental Measurements
  • Improvement of the Multibody Models of the TriHyBus on the Basis of Experimental Measurements (en)
skos:notation
  • RIV/47718684:_____/13:#0000532!RIV14-MPO-47718684
http://linked.open...avai/riv/aktivita
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  • P(FR-TI2/442)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 79312
http://linked.open...ai/riv/idVysledku
  • RIV/47718684:_____/13:#0000532
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  • hydrogen bus; force-velocity characteristics; shock absorber (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [6BF61D58B5FD]
http://linked.open...i/riv/mistoVydani
  • Ústí nad Labem
http://linked.open...i/riv/nazevZdroje
  • Computational and Experimental Methods in Applied Mechanics I
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...v/pocetStranKnihy
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Hajžman, Michal
  • Polach, Pavel
  • Václavík, Jaroslav
number of pages
http://purl.org/ne...btex#hasPublisher
  • Katedra strojů a mechaniky FVTM UJEP v Ústí nad Labem
https://schema.org/isbn
  • 978-80-7414-609-1
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