摘要
为了解决纯电动轿车模式切换时的操作复杂性和乘坐舒适性等问题,提出了模式识别策略和模式切换策略.模式识别策略是基于模糊控制,通过识别车速、加速度均值和电池SOC(荷电状态)来进行自动识别;模式切换策略是基于德国的冲击度限制标准,通过限制转矩的增加率来减小整车的冲击度.仿真结果表明:提出的控制策略能准确地识别驾驶员的意图,避免了通过手动切换挡位的操作复杂性;并且在模式切换过程中使整车的冲击度小于10m/s3,满足了德国的冲击度限制标准.
In order to improve the operational complexity and ride comfort during mode switching of pure electric vehicle,mode recognition and mode switching strategy were designed in this article. Mode recognition strategy could automatically determine the drive mode by vehicle speed,acceleration mean value and battery SOC（status of capacity）based on fuzzy control.Mode switch strategy could reduce the jerk during mode switching by limiting the rate of increase of torque.Simulation results show that mode recognition strategy can accurately identify the intention of the driver,and the jerk during mode switching is reduced by less than 10m/s^3 by mode switching strategy,which can meet the German standards.
出处
《华中科技大学学报（自然科学版）》
EI
CAS
CSCD
北大核心
2014年第6期12-16,共5页
Journal of Huazhong University of Science and Technology(Natural Science Edition)
基金
国家高技术研究发展计划资助项目(2011AA11A219)
