Analysis reveals different whole-body vibration levels between diesel-powered and electric buses, suggesting implications for passenger comfort in urban transportation.
Whole-body vibration (WBV) represents a significant health and comfort concern in modern public transportation systems. This study compares vibration exposure in two types of articulated city buses—diesel-powered and fully electric—under real operating conditions in one of the European cities (1 million inhabitants). Measurements were conducted at three seating positions (front, middle, rear) across four surface types: smooth asphalt, mixed asphalt-rail, cobblestone, and idle. Triaxial accelerometers recorded accelerations processed according to ISO 2631-1. The frequency-weighted Root Mean Square (RMS) served as the principal comfort indicator, while FFT spectra provided spectral insight. Results showed differences in vibrations, and therefore passenger comfort, in buses powered by different energy sources (the research was conducted from May to July 2025). The article highlights additional inconveniences resulting from operating the buses on roads.
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Bochenek et al. (2025) studied this question.
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