The conceptual layout of a damper is subject to many requirements related to vehicle ride, lateral dynamics, misuse, and acoustics. Conflicts of goals between these different disciplines often occur and may be caused by various reasons. In classical design, there are two major contributors. First, design work is typically done by considering only one damper characteristic that is iteratively improved in distinct development steps. Second, design objectives are considered one-by-one and not simultaneously. In order to avoid conflicts of goals and to find optimal solutions that satisfy all design requirements, a design method is proposed that relies on computing a solution space. A solution space defines a permissible range of damper characteristics on which the specified set of requirements is satisfied. It is constructed to be as large as possible in order to provide maximum flexibility for other requirements or tolerance to uncertainty in design work. Solution spaces are computed for a mid-size passenger vehicle for the front and rear damper characteristics. For this, a stochastic optimization algorithm is applied in combination with a two-track model. Two possible applications are presented. In the first application, a range of damper characteristics is computed only for requirements from lateral dynamics. This provides flexibility for other disciplines: within the solution space, a damper characteristic is identified that satisfies ride requirements. In the second application, a general solution space is computed on which requirements from lateral dynamics and ride are satisfied simultaneously. The damper characteristic is not specified in detail, and provides therefore robustness with respect to unintended variations.


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    Titel :

    Solution spaces for damper design in vehicle dynamics


    Beteiligte:


    Erscheinungsdatum :

    2014


    Format / Umfang :

    26 Seiten, Bilder, Tabellen, 10 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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