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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.7
- 수록면
- 835 - 845 (11page)
이용수
초록· 키워드
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This paper presents a robust-optimal control strategy to improve the output-voltage error-tracking and control capability of a DC-DC boost converter. The proposed strategy employs an optimized Fractional-order Proportional-Integral (FoPI) controller that serves to eliminate oscillations, overshoots, undershoots and steady-state fluctuations. In order to significantly improve the error convergence-rate during a transient response, the FoPI controller is augmented with a pre-stage nonlinear error-modulator. The modulator combines the variations in the error and error-derivative via the signed-distance method. Then it feeds the aggregated-signal to a smooth sigmoidal control surface constituting an optimized hyperbolic secant function. The error-derivative is evaluated by measuring the output-capacitor current in order to compensate the hysteresis effect rendered by the parasitic impedances. The resulting modulated-signal is fed to the FoPI controller. The fixed controller parameters are meta-heuristically selected via a Particle-Swarm-Optimization (PSO) algorithm. The proposed control scheme exhibits rapid transits with improved damping in its response which aids in efficiently rejecting external disturbances such as load-transients and input-fluctuations. The superior robustness and time-optimality of the proposed control strategy is validated via experimental results.
목차
Abstract
I. INTRODUCTION
II. SYSTEM DESCRIPTION
III. FRACTIONAL ORDER PROPORTIONAL-INTEGRAL CONTROLLER
IV. NONLINEAR ERROR MODULATOR
V. PARTICLE SWARM OPTIMIZATION
VI. EXPERIMENTAL EVALUATION
VII. CONCLUSIONS
참고문헌 (47)
참고문헌 신청
P. Akter, M. Uddin, S. Mekhilef, N. M. L. Tan, and H. Akagi, “Model predictive control of bidirectional isolated DC?DC converter for energy conversion system,” Int. J. Electron., Vol. 102, No. 8, pp. 1407-1427, Aug. 2015.
S. Sivakumar, M. JagabarSathik, P. S. Manoj, and G. Sundararajan, “An assessment on performance of DC-DC converters for renewable energy applications,” Renew. Sustain. Energy Rev., Vol. 58, pp. 1475-1485, May 2016.
B. S. Lee, S. K. Kim, J. H. Park, and K. B. Lee, “Adaptive output voltage tracking controller for uncertain DC/DC boost converter,” Int. J. Electron., Vol. 103, No. 6, pp. 1002-1017, Jun. 2016.
W. J. Lambert, R. Ayyanar, and S. Chickamenahalli, “Fast load transient regulation of low-voltage converters with the low-voltage transient processor,” IEEE Trans. Power Electron., Vol. 24, No. 7, pp. 1839-1854, Jul. 2009.
H. Cui, J. Yang, and S. Li, “Nonlinear disturbance rejection control for a buck-boost converter with load uncertainties,” in Proc. 33rd IEEE CCC, pp. 3788-3793, 2014.
S. Sivakumar, M. JagabarSathik, P. S. Manoj, and G. Sundararajan, “An assessment on performance of DC-DC converters for renewable energy applications,” Renew. Sustain. Energy Rev., Vol. 58, pp. 1475-1485, May 2016.
B. S. Lee, S. K. Kim, J. H. Park, and K. B. Lee, “Adaptive output voltage tracking controller for uncertain DC/DC boost converter,” Int. J. Electron., Vol. 103, No. 6, pp. 1002-1017, Jun. 2016.
W. J. Lambert, R. Ayyanar, and S. Chickamenahalli, “Fast load transient regulation of low-voltage converters with the low-voltage transient processor,” IEEE Trans. Power Electron., Vol. 24, No. 7, pp. 1839-1854, Jul. 2009.
H. Cui, J. Yang, and S. Li, “Nonlinear disturbance rejection control for a buck-boost converter with load uncertainties,” in Proc. 33rd IEEE CCC, pp. 3788-3793, 2014.
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UCI(KEPA) : I410-ECN-0101-2019-560-000867038