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加速度连续型自适应巡航控制模式切换策略 被引量:30

Switching strategy for adaptive cruise control modes for continuous acceleration
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摘要 提出了一种用于自适应巡航控制(ACC)系统的控制模式切换策略。现有ACC控制模式的划分及其切换策略有可能使车辆加速度变化过于剧烈,且未考虑驾驶员超车等需求,不利于驾驶舒适性。该文在现有ACC控制模式的基础上增设接近前车和超车2种控制模式,提出基于零期望加速度曲线的切换策略,并利用加权平均算法对控制量进行连续性处理。实车试验表明:所设计的ACC控制模式切换策略与实际驾驶工况相符,能够实现切换过程中加速度的连续平稳变化,并满足驾驶员控制优先权的要求。 A switching strategy was developed for vehicle adaptive cruise control (ACC). Existing cruise controls and their switching strategies are not conductive to driving comfort, because they often result in rapid changes in vehicle acceleration and do not account for overtaking. Therefore, an approaching control mode and an overtaking control mode were added to the control system with a switching strategy based on zero-expectation acceleration curves. A weighted average algorithm is then used to serialize the control variable. Field tests show that the control mode switching strategy matches human driving habits with continuous, smooth vehicle acceleration during the switch. The system also gives the driver priority over the vehicle control.
出处 《清华大学学报(自然科学版)》 EI CAS CSCD 北大核心 2010年第8期1277-1281,共5页 Journal of Tsinghua University(Science and Technology)
基金 国家"八六三"高技术项目(2007AA11Z232) 北京市科学技术委员会项目(GYYKW0608003A)
关键词 汽车安全 自适应巡航控制(ACC) 控制模式 切换策略 加速度 vehicle safety adaptive cruise control (ACC) control mode switching strategy acceleration
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参考文献8

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二级参考文献18

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