Pulse control measure methods of internal resistance for battery in electric vehicle
-
摘要: 为了利用电池内阻对电动汽车蓄电池健康状况进行判断和续驶里程进行计算, 提出了两种蓄电池内阻在线检测脉冲控制法。采用光耦和变压器将检测电路和蓄电池隔离, 微控制器输出脉冲串经过光耦控制蓄电池产生恒定电流信号, 该信号在电池内阻上引起的电压信号通过变压器回传给微控制器, 微控制器根据电流、电压和两者之间的相位差(脉冲控制法一) 或者电压的变化量(脉冲控制法二) 计算电池内阻。计算结果表明: 利用脉冲控制法一和脉冲控制法二计算的12V铅酸电池内阻的误差分别在13%和11%左右, 误差较小, 因此, 两种脉冲控制法适于电动汽车串联电池组的在线内阻检测。Abstract: In order to estimate the health state of battery and calculate the running distance of electric vehicle (EV), two pulse control measure methods were put forward to for the online test of internal resistance for battery.Measure circuit and battery were insulated by using optical coupling set and transformer, a series of pluses were put out by microcomputer unit (MCU), constant current signal was generated by battery controlled by optical coupling set, voltage signal caused by current signal in the internal resistance was sent to MCU through transformer, and MCU could calculate the internal resistance according to the phase difference between voltage and current (method 1) or voltage difference (method 2).Computation result shows that the errors of internal resistance for a 12V lead-acid battery are about 13% and 11% respectively calculated by using method 1 and method 2, the errors are less, so two pulse control methods are feasible.
-
[1] 夏勇. 蓄电池内阻在线监测装置的研究[J]. 通信电源技术, 2003, 20 (6): 35-38. https://www.cnki.com.cn/Article/CJFDTOTAL-TXDY200306010.htmXia Yong. Study of instrument for testingtheinternal i mped-ance of battery on line[J]. Telecom Power Technologies, 2003, 20 (6): 35-38. (in Chinese) https://www.cnki.com.cn/Article/CJFDTOTAL-TXDY200306010.htm [2] 孟良荣, 王金良. 电动车电池现状与发展趋势[J]. 电池工业, 2006, 11 (3): 202-206. https://www.cnki.com.cn/Article/CJFDTOTAL-DCGY200603015.htmMeng Liang-rong, Wang Jin-liang. Status and developingtrends of the batteries for electric vehicles[J]. Chinese Bat-tery Industry, 2006, 11 (3): 202-206. (in Chinese) https://www.cnki.com.cn/Article/CJFDTOTAL-DCGY200603015.htm [3] 张卫钢, 蹇小平, 毕李格, 等. 电动汽车剩余电量计算方法[J]. 交通运输工程学报, 2004, 4 (1): 50-53. http://transport.chd.edu.cn/article/id/200401013Zhang Wei-gang, Jian Xiao-ping, Bi Li-ge, et al. Residualquantity calculation method of EV battery[J]. Journal ofTraffic and Transportation Engineering, 2004, 4 (1): 50-53. (in Chinese) http://transport.chd.edu.cn/article/id/200401013 [4] 张红岩, 高明裕. AVR单片机在蓄电池剩余电量测试仪中的应用[J]. 电子技术应用, 2001, 27 (2): 20-22. https://www.cnki.com.cn/Article/CJFDTOTAL-DZJY200102005.htmZhang Hong-yan, Gao Ming-yu. Application of the AVR-MCUin a testing device of residual quantity of a cell[J]. Ap-plication of Electronic Technique, 2001, 27 (2): 20-22. (in Chinese) https://www.cnki.com.cn/Article/CJFDTOTAL-DZJY200102005.htm [5] Meissner E, Richter G. Battery monitoring and electrical en-ergy management preconditionfor future vehicle electric pow-er systems[J]. Journal of Power Sources, 2003, 116 (1/2): 79-98. [6] Shukla A K, Ganesh K V, Munichandraiah N, et al. Amethod to monitor valve-regulated lead acid cells[J]. Journalof Power Sources, 1998, 74 (2): 234-239. [7] Lagarias J C, Reeds J A, Wright P E. Convergence proper-ties of neder-mead si mplex method in low di mensions[J]. SLAMJournal of Opti mization, 1998, 9 (1): 112-147. [8] 郭航, 马重芳, 汪茂海, 等. 燃料电池在中国的发展及其在电动车辆上的应用[J]. 中国公路学报2004, 17(1): 106-109. https://www.cnki.com.cn/Article/CJFDTOTAL-ZGGL200401026.htmGuo Hang, Ma Chong-fang, Wang Mao-hai, et al. Development of fuel cells and application in electric vehicles in China[J]. China Journal of Highway and Transport, 2004, 17(1): 106-109. (in Chinese) https://www.cnki.com.cn/Article/CJFDTOTAL-ZGGL200401026.htm [9] 张卫钢, 蹇小平, 耿莉敏, 等. 基于燃油汽车改制的电动汽车试验[J]. 长安大学学报: 自然科学版, 2006, 26 (5): 74-78. https://www.cnki.com.cn/Article/CJFDTOTAL-XAGL200605017.htmZhang Wei-gang, Jian Xiao-ping, Geng Li-min, et al. Test ofelectric vehicle reformed fromoil-fueled automobile[J]. Jour-nal of Chang an University: Natural Science Edition, 2006, 26 (5): 74-78. (in Chinese) https://www.cnki.com.cn/Article/CJFDTOTAL-XAGL200605017.htm [10] 朱正礼, 殷承良, 张建武. 混合动力车中CAN总线系统的应用[J]. 交通运输工程学报, 2004, 4 (3): 90-94. http://transport.chd.edu.cn/article/id/200403021Zhu Zheng-li, Yin Cheng-liang, Zhang Jian-wu. Applicationof CANbus systemin hybrid electric vehicle[J]. Journal ofTraffic and Transportation Engineering, 2004, 4 (3): 90-94. (in Chinese) http://transport.chd.edu.cn/article/id/200403021