A Method for Improving Control Performances of Bi-Directional DC-DC Boost Converter in Hybrid (Plug-In Hybrid) Vehicles

被引：0
|
作者：
Choi, Won Kyoung
Kwak, Mu Shin
Lee, Young Kook
Jung, Jin Hwan
机构：
来源：
2012 IEEE VEHICLE POWER AND PROPULSION CONFERENCE (VPPC) | 2012年
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中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper introduces a current measurement issue of a boost converter based on digital control. Due to delaies in low-pass titer and current sensor, current measuring circuitry has phase delay, which depends on PWM frequency. This phase delay causes current sampling errors, which degrade the control performance. This paper investigates analytically the current sampling error caused by the phase delay and proposes a method for compensating the delay. Using this method, more precise current regulation is possible. The effectiveness of this method is proven by experimental results.
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页码：812 / 815
页数：4
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