지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.5
- 수록면
- 686 - 694 (9page)
이용수
초록· 키워드
오류제보하기
Due to the wide use of electronic products, digitally controlled DC-DC converters are attracting more and more attention in recent years. However, digital control strategies may introduce undesirable Limit Cycle Oscillation (LCO) due to quantization effects in the Analog-to-Digital Converter (ADC) and Digital Pulse Width Modulator (DPWM). This results in decreases in the quality of the output voltage and the efficiency of the system. Meanwhile, even if the resolution of the DPWM is finer than that of the ADC, LCO may still exist due to improper parameters of the digital compensator. In order to discover how LCO is generated, the state space averaging model is applied to derive equilibrium equations of a digital PID controlled DC-DC converter in this paper. Furthermore, the influences of the parameters of the digital PID compensator, and the resolutions of the ADC and DPWM on LCO are studied in detail. The amplitude together with the period of LCO as well as the corresponding PID parameters are obtained. Finally, MATLAB/Simulink simulations and FPGA verifications are carried out and no-LCO conditions are obtained.
목차
Abstract
I. INTRODUCTION
II. MODELING OF THE SYSTEM AND ANALYSIS OF LCO
III. SYSTEM MODELING AND SIMULATION IN SIMULINK
IV. EXPERIMENTAL VERIFICATION BASED ON A FPGA
V. CONCLUSION
REFERENCES
참고문헌 (20)
참고문헌 신청
[학술지(정기간행물)] - M. P. Chan / 2013 / On-chip digital inductor current sensor for monolithic digitally controlled DC-DC COnverter / IEEE Trans. Circuits Syst. I 60 (5) : 1232 ~ 1240
[학술지(정기간행물)] - H. C. Foong / 2012 / Fast-transient integrated digital DC-DC converter with predictive and feedforward control / IEEE Trans. Circuits Syst. I 59 (7) : 1567 ~ 1576
[학술지(정기간행물)] - F. Kurokawa / 2015 / Digital fast P slow ID control DC-DC converter using A-D converters in different resolutions / IEEE Trans. Ind. Appl. 51 (1) : 353 ~ 361
[학술지(정기간행물)] - W. Al-Hoor / 2009 / Adaptive digital controller and design considerations for a variable switching frequency voltage regulator / IEEE Trans. Power Electron. 24 (11) : 2589 ~ 2602
[학술지(정기간행물)] - M. Barai / 2009 / Dual-mode multiple-band digital controller for high-frequency DC– DC converter / IEEE Trans. Power Electron. 24 (3) : 752 ~ 766
[학술지(정기간행물)] - H. C. Foong / 2012 / Fast-transient integrated digital DC-DC converter with predictive and feedforward control / IEEE Trans. Circuits Syst. I 59 (7) : 1567 ~ 1576
[학술지(정기간행물)] - F. Kurokawa / 2015 / Digital fast P slow ID control DC-DC converter using A-D converters in different resolutions / IEEE Trans. Ind. Appl. 51 (1) : 353 ~ 361
[학술지(정기간행물)] - W. Al-Hoor / 2009 / Adaptive digital controller and design considerations for a variable switching frequency voltage regulator / IEEE Trans. Power Electron. 24 (11) : 2589 ~ 2602
[학술지(정기간행물)] - M. Barai / 2009 / Dual-mode multiple-band digital controller for high-frequency DC– DC converter / IEEE Trans. Power Electron. 24 (3) : 752 ~ 766
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