基于盲源分离的商用车驾驶室悬置系统隔振降噪设计

C. Liu
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引用次数: 0

摘要

近年来,国内商用车发展迅速,从轻、中、重型发展了多个系列的产品。然而,商用车在行驶过程中驾驶室的振动和噪声问题仍然远远达不到客户的期望要求。为了提高商用车驾驶室在行驶过程中的舒适性,对商用车驾驶室的悬挂系统和隔振降噪系统进行了设计。驾驶室安装结构为主动电磁安装结构。通过驾驶室安装ECU内置的盲源分离算法,可以快速消除驾驶过程中振动对驾驶室的影响。隔振降噪系统采用双层隔音玻璃和ANC主动降噪系统,将传递到驾驶室的噪声降到最低。通过自主设计的主动电磁悬挂结构和双层隔音玻璃与ANC主动降噪系统组成的隔振降噪系统,提高了商用车行驶时的舒适性,满足了客户的期望。
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Vibration isolation and noise reduction design of commercial vehicle cab mounting system based on blind source separation
In recent years, domestic commercial vehicles have developed rapidly, and many series of products have been developed from light, medium to heavy. However, the vibration and noise problems of the cab of commercial vehicles during driving still fall far short of the requirements expected by customers. In order to improve the comfort of commercial vehicle cab during driving, the mounting system and vibration isolation and noise reduction system of commercial vehicle cab are designed. The cab mounting structure is an active electromagnetic mounting structure. Through the blind source separation algorithm built in the cab mounting ECU, the impact of vibration on the cab during driving can be quickly eliminated. The vibration isolation and noise reduction system adopts double-layer sound insulating glass and ANC active noise reduction system to minimize the noise transmitted to the cab. Through the self-designed active electromagnetic mounting structure and the vibration isolation and noise reduction system composed of double-layer sound insulating glass and ANC active noise reduction system, the comfort of commercial vehicles during driving is improved, which meets the expectations of customers.
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