Applus+ IDIADA and UTAC Ivalo team-up to offer extended testing services for tyre modelling and characterization in winter conditions


    UTAC Ivalo and IDIADA’s tyre testing team joint forces to provide tyre adherence testing services for tyre modelling and the characterization of specific parameters of tyre behaviour in winter conditions. This new service will be performed by using IDIADA’s cutting-edge tyre testing equipment (Skid Trailer) and UTAC Ivalo testing facilities, an extensive outdoor natural snow and ice tracks with specifically designed wet and dry surfaces for braking and aquaplaning tests. This service will be available under demand and for a short period of time during the winter season.




    UTAC Ivalo facilities located in Ivalo, 300 km north of the Arctic Circle in the Finnish Lapland, are from now on a new available location for IDIADA’s customers to run tyre dynamics testing and characterization of specific parameters of tyre behaviour. UTAC Ivalo offers various outdoor testing tracks and 5 indoor facilities. UTAC Ivalo is part of the UTAC Group, an international automotive testing group, type approval and sustainable e-mobility solutions.

    With such initiative, IDIADA, a leading automotive engineering company specialized in design, testing, engineering, and homologation services located near Barcelona in Spain, has widened its range of tyre testing and engineering services to provide the best solutions to customers in need of recreating extreme winter driving conditions.

    Skid trailer: Tyre testing equipment for tyre modelling

    IDIADA’s Skid Trailer is part of the tyre testing equipment used for tyre characterization, which feeds the tyre model generation process. In doing so, two tyre models were obtained for further tyre virtual integration in vehicle simulation: The Magic Formula tyre model (MF-tyre), a pure parametric tyre model based on Pacejka formulation used for handling performance prediction; and the FTire®, a physical tyre model that allows the study of tyre frequency response as well as tyre handling response.

    The Skid Trailer’s tyre dynamics characterization capabilities can register tyre response when exposed to forces and motions both in free rolling and braking. Besides MF-tyre and FTire® parametric models, the Skid Trailer allows tyre characterization by means of lateral, longitudinal, and combined slip testing.

    IDIADA’s Skid Trailer has been operative since January 2015. Over these years, IDIADA has tuned it up to enhance its tyre characterization capabilities. First snow tests were performed in winter 2018, in which advanced studies of ground condition effects on tyres were carried out.

    According to Joan Puig, Tyre Development Product Manager at IDIADA’s Vehicle Dynamics Department, “our Skid Trailer can perform tyre characterization tests in indoor snow driving facilities, which makes it stand out against competitors’ bulkier Skid Trailers”.

    Janne Seurujärvi, Managing Director at UTAC Ivalo, said: “We are pleased to be able to offer Skid Trailer testing at our proving grounds in Northern Finland. It is a welcome addition to our wide range of winter tyre test services.”


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