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传统汽车发电机的智能化控制及改造

清华大学 辅仁网/2017-07-07

传统汽车发电机的智能化控制及改造
孔伟伟,杨殿阁,李兵,连小珉()
Intelligent control and reformation for conventional automotive generators
Weiwei KONG,Diange YANG,Bing LI,Xiaomin LIAN()
State Key Laboratory of Automotive Safety and Energy, Department of Automotive Engineering, Tsinghua University, Beijing 100084, China

摘要:
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摘要传统汽车发电机无法进行实时在线的电压调节和智能化控制。该文通过分析传统燃油汽车发电机工作时存在的问题,对传统汽车发电机进行智能化改造,制定了发电机多种工作模式,并结合蓄电池电量及汽车运行状态设计了发电机智能化控制策略,实现了实时在线对发电机输出电压的调节,并通过台架试验和实车试验验证了该智能化控制的可行性和有效性。实车模拟城市工况的试验结果表明: 该发电机智能化控制策略可实现制动能量回收,降低车辆燃油消耗3.7%。

关键词 汽车发电机,发电机控制,智能化控制,制动能量回收
Abstract:Conventional automotive generators do not provide voltage regulation or intelligent control in real time. This paper analyzes intelligent control and multiple working modes for generators. The control system integrates the battery energy and vehicle state to improve generator voltage control in traditional fueled vehicles with reformation. Bench tests and tests on sample vehicles verify the system effectiveness for real-time online adjustments of the generator output voltage and braking energy recovery. The test results show that this intelligent control strategy reduces fuel consumption by 3.7%.

Key wordsautomotive generatorgenerator controlintellectualized controlbraking energy recovery
收稿日期: 2013-05-16 出版日期: 2015-03-17
基金资助:国家 “八六三” 高技术项目 (2012AA111901)
引用本文:
孔伟伟,杨殿阁,李兵,连小珉. 传统汽车发电机的智能化控制及改造[J]. 清华大学学报(自然科学版), 2014, 54(6): 738-743.
Weiwei KONG,Diange YANG,Bing LI,Xiaomin LIAN. Intelligent control and reformation for conventional automotive generators. Journal of Tsinghua University(Science and Technology), 2014, 54(6): 738-743.
链接本文:
http://jst.tsinghuajournals.com/CN/ http://jst.tsinghuajournals.com/CN/Y2014/V54/I6/738


图表:
蓄电池状态分区
状态分区 起动 匀速 制动 加速 熄火
已充满 关闭 关闭 浮充 关闭 关闭
回收区 关闭 关闭 回收 关闭 关闭
循环区 关闭 正常/关闭 回收 关闭 关闭
保留区 关闭 正常 回收 浮充 关闭
亏电区 关闭 快充 回收 快充 关闭
不确定 关闭 正常 回收 浮充 关闭


发电机控制策略矩阵
发电机励磁控制原理图
发电机控制系统
变转速条件下发电机电压控制
发电机电压波纹细节
变负载条件下发电机电压控制
设定电压/V 平均电压/V 波纹幅值/V 最大误差值/V
13.0 12.97 0.016 -0.040
13.5 13.44 0.014 -0.074
14.0 13.98 0.008 -0.024
14.5 14.45 0.011 -0.060
15.0 14.99 0.011 -0.018
15.5 15.46 0.008 -0.046


不同设定电压下发电机电压数据
智能发电机和传统发电机对比测试结果
平均车速/(km·h-1) 距离/km 油耗/L 折算百km油耗/[L·(100 km)-1] 制动段比例/% 节约油耗比/%
智能发电机 20.0 3.35 0.357 10.66 8.9 3.7
原发电机 15.1 2.46 0.272 11.07


油耗测试数据对比


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