Road roughness estimation based on discrete Kalman filter with unknown input
作者： Sun-Woo Kang , Jung-Sik Kim , Gi-Woo Kim
DOI: 10.1080/00423114.2018.1524151
关键词: Vibration 、 Kalman filter 、 Road roughness 、 Vehicle dynamics 、 Engineering 、 Discrete kalman filter 、 Control theory 、 Disturbance (geology)
摘要: The road roughness acts as a disturbance input to the vehicle dynamics, and causes undesirable vibrations associated with the ride and handing characteristics. Furthermore, the accurate measurement of road roughness plays a key role in better understanding a vehicle dynamic behaviour and active suspension control systems. However, the direct measurement by laser profilometer or other distance sensors are not trivial due to technical and economic issues. This study proposes a new road roughness estimation method by …
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