吉林大学学报(工学版) ›› 2021, Vol. 51 ›› Issue (3): 810-819.doi: 10.13229/j.cnki.jdxbgxb20200070
Qiang SONG1,2(),Dan-ting SUN1,2,Wei ZHANG1,2
摘要:
以无离合器机械式自动变速器(AMT)为研究对象,建立了换挡过程线性和非线性多自由度扭转振动模型,分析了线性和非线性条件下换挡过程各阶段接合套转速波动和动力学行为,对比了两种模型下换挡品质评价指标的差异,并通过调速阶段转速差延时PID控制方法来改善换挡品质。结果表明:相比于线性模型,齿轮非线性扭转振动会导致换挡时间延长、换挡冲击度增大且滑磨功增加,而对调速阶段适度延时能够有效缩短换挡时间、减小冲击峰值并减小滑磨功。
中图分类号:
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