Peak Current Control Strategy with Extended-State Tracking Compensator for DC-DC in Hybrid Energy Storage System

doi:10.1007/s12204-013-1379-0

上海交通大学学报（英文版） ›› 2013, Vol. 18 ›› Issue (2): 166-172.doi: 10.1007/s12204-013-1379-0

Peak Current Control Strategy with Extended-State Tracking Compensator for DC-DC in Hybrid Energy Storage System

WU Zhi-wei*(吴志伟), ZHANG Jian-long (张建龙), ZHANG Xi (张希), YIN Cheng-liang (殷承良)

(National Engineering Laboratory for Automotive Electronic Control Technology, Shanghai Jiaotong University, Shanghai 200240, China)

出版日期:2013-04-30 发布日期:2013-05-10
通讯作者: WU Zhi-wei(吴志伟) E-mail:zhiweiwu@163.com

Peak Current Control Strategy with Extended-State Tracking Compensator for DC-DC in Hybrid Energy Storage System

WU Zhi-wei*(吴志伟), ZHANG Jian-long (张建龙), ZHANG Xi (张希), YIN Cheng-liang (殷承良)

(National Engineering Laboratory for Automotive Electronic Control Technology, Shanghai Jiaotong University, Shanghai 200240, China)

Online:2013-04-30 Published:2013-05-10
Contact: WU Zhi-wei(吴志伟) E-mail:zhiweiwu@163.com

摘要/Abstract

摘要： Because variations of ultra-capacitor voltage and battery voltage generate subharmonic and chaotic behaviors in hybrid energy storage system (HESS) application when a DC-DC converter is under the peak current control, a novel digital control strategy, i.e., peak current control with extended-state tracking compensator, is introduced to deal with the stability. The gains of the control algorithm are selected based on pole locations formulated from the Bessel filter. The simulation results validate that under the peak current control strategy with compensator, the DC-DC converter does not have the subharmonic and chaotic behaviors. The response time under the peak current control with compensator is the same as that under the peak current control. The ripple voltage and ripple current of battery are less. The tracking error of inductor current tends to zero.

关键词: chaotic behavior, hybrid energy storage system (HESS), DC-DC converter, current control, extendedstate tracking compensator

Abstract: Because variations of ultra-capacitor voltage and battery voltage generate subharmonic and chaotic behaviors in hybrid energy storage system (HESS) application when a DC-DC converter is under the peak current control, a novel digital control strategy, i.e., peak current control with extended-state tracking compensator, is introduced to deal with the stability. The gains of the control algorithm are selected based on pole locations formulated from the Bessel filter. The simulation results validate that under the peak current control strategy with compensator, the DC-DC converter does not have the subharmonic and chaotic behaviors. The response time under the peak current control with compensator is the same as that under the peak current control. The ripple voltage and ripple current of battery are less. The tracking error of inductor current tends to zero.

Key words: chaotic behavior, hybrid energy storage system (HESS), DC-DC converter, current control, extendedstate tracking compensator

中图分类号:

U 469.72

WU Zhi-wei*(吴志伟), ZHANG Jian-long (张建龙), ZHANG Xi (张希), YIN Cheng-liang (殷承良). Peak Current Control Strategy with Extended-State Tracking Compensator for DC-DC in Hybrid Energy Storage System[J]. 上海交通大学学报（英文版）, 2013, 18(2): 166-172.

WU Zhi-wei*(吴志伟), ZHANG Jian-long (张建龙), ZHANG Xi (张希), YIN Cheng-liang (殷承良). Peak Current Control Strategy with Extended-State Tracking Compensator for DC-DC in Hybrid Energy Storage System[J]. Journal of shanghai Jiaotong University (Science), 2013, 18(2): 166-172.

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Peak Current Control Strategy with Extended-State Tracking Compensator for DC-DC in Hybrid Energy Storage System

Peak Current Control Strategy with Extended-State Tracking Compensator for DC-DC in Hybrid Energy Storage System

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