Abstract
Vehicle seat vibrations significantly affect driver and passenger comfort. This study proposes a 3D-printed seat cushion incorporating a double-diamond cell structure designed for low-frequency vibration isolation. Characterized by quasi-zero stiffness (QZS), this structure was analyzed through analytical and simulation approaches to determine its vibration transmissibility. A machine learning-based response surface method enabled performance prediction and sensitivity analysis of key design parameters, revealing that link element length and spring stiffness most influence peak transmissibility. Unlike previous seat suspension designs focusing on X-shaped suspension supports, this approach provides an efficient means of optimizing the seat cushion’s vibration isolation performance without extensive simulations or complex analytical solutions.
Published Version
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