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논문 기본 정보

자료유형
학술저널
저자정보
Changyuan Chang (Southeast University) Xin Zhao (Southeast University) Chunxue Xu (Southeast University) Yuanye Li (Southeast University) Cheng`en Wu (Southeast University)
저널정보
전력전자학회 JOURNAL OF POWER ELECTRONICS JOURNAL OF POWER ELECTRONICS Vol.16 No.6
발행연도
2016.11
수록면
2,212 - 2,220 (9page)

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초록· 키워드

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Based on the conventional PID algorithm and the adaptive PID (AD-PID) algorithm, a separate sampling adaptive PID (SSA-PID) algorithm is proposed to improve the transient response of digitally controlled DC-DC converters. The SSA-PID algorithm, which can be divided into an oversampled adaptive P (AD-P) control and an adaptive ID (AD-ID) control, adopts a higher sampling frequency for AD-P control and a conventional sampling frequency for AD-ID control. In addition, it can also adaptively adjust the PID parameters (i.e. K<SUB>p</SUB>, K<SUB>i</SUB> and K<SUB>d</SUB>) based on the system state. Simulation results show that the proposed algorithm has better line transient and load transient responses than the conventional PID and AD-PID algorithms. Compared with the conventional PID and AD-PID algorithms, the experimental results based on a FPGA indicate that the recovery time of the SSA-PID algorithm is reduced by 80% and 67% separately, and that overshoot is decreased by 33% and 12% for a 700㎃ load step. Moreover, the SSA-PID algorithm can achieve zero overshoot during startup.

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Abstract
Ⅰ. INTRODUCTION
Ⅱ. PRINCIPLE OF THE SSA-PID ALGORITHM
Ⅲ. SIMULATION OF THE SSA-PID ALGORITHM
Ⅳ. EXPERIMENTAL RESULTS OF THE SSA-PID ALGORITHM
Ⅴ. CONCLUSIONS
REFERENCES

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