湿式双离合器自动变速器起步控制
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程秀生,教授,博士生导师,主要从事汽车自动变速理论与控 制研究,Email: xiushengcheng@yahoo.com.cn

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国家“863”高技术研究发展计划资助项目(2006AA110109)


Starting Control Based on Wet Dual Clutch Transmission
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    摘要:

    针对装有湿式双离合器自动变速器的起步控制问题,根据起步控制评价指标,制订起步控制 策略,提出了基于模糊PID控制离合器压力的控制方法,实现了离合器压力的精确控制,给 出起步控制流程。通过3种不同油门开度的起步试验和短时间连续起步停车试验,验证该控制 策略。试验结果表明,该控制策略能够适应不同工况的起步要求,离合器油温得到良好控制。

    Abstract:

    Aimed at the problem of starting control of dual clutch transmission equipped with wet clutch, the starting strategy was developed on the basis of clutch c ontrol evaluation and dynamics analysis about transmission. The clutch pressure control method was proposed based on fuzzy PID control, and the detailed fuzzy control process was developed. The control flow of DCT starting was determined s o that the clutch actual pressure got better control. Starting experiments of th ree different throttle and continuous startstop experiments in a short time we re executed. The experimental results verified the rationality of the control st rategies. It could meet the requirements of smooth and rapid vehicle starting, a nd establish the foundation for the further development of DCT.

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程秀生,冯 巍,陆中华,王印束.湿式双离合器自动变速器起步控制[J].农业机械学报,2010,41(1). Cheng Xiusheng, Feng Wei, Lu Zhonghua, Wang Yinshu. Starting Control Based on Wet Dual Clutch Transmission[J]. Transactions of the Chinese Society for Agricultural Machinery,2010,41(1).

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