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某纯电动汽车起步噪音机理分析及声品质优化研究

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摘要 针对某款小型纯电动汽车在低速起步阶段的NVH问题,通过试验研究与理论分析相结合的方法,确定了该纯电动车起步过程主要噪音源、噪音产生的机理;从噪音源控制策略优化、动力总成系统固有频率优化等方面综合提出优化改进措施,方案实施后,主观评价起步加速NVH问题改善明显,客观测试车内驾驶员耳边声压级降低了4—6dB(A),车内声品质大幅提高。
出处 《电气牵引》 2022年第2期9-14,共6页 Electric Traction
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