Lyapunov Based Adaptive-Robust Control of the Non-Minimum phase DC-DC Converters Using Input-Output Linearization

Mahdi Salimi; Adel Zakipour

Lyapunov Based Adaptive-Robust Control of the Non-Minimum phase DC-DC Converters Using Input-Output Linearization

Mahdi Salimi

Adel Zakipour

Vol. 15, No. 6, pp. 1577-1583, Nov. 2015

10.6113/JPE.2015.15.6.1577

Adaptive control

Dynamic response

Lyapunov based control

Robust

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Abstract

In this research, a combined adaptive-robust current controller is developed for non-minimum-phase DC?DC converters in a wide range of operations. In the proposed nonlinear controller, load resistance, input voltage and zero interval of the inductor current are estimated using developed adaptation rules and knowing the operating mode of the converter for the closed-loop control is not required; hence, a single controller can be employed for a wide load and line changes in discontinuous and continuous conduction operations. Using the TMS320F2810 digital signal processor, the experimental response of the proposed controller is presented in different operating points of the buck/boost converter. During transition between different modes of the converter, the developed controller has a better dynamic response compared with previously reported adaptive nonlinear approach. Moreover, output voltage steady-state error is zero in different conditions.

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Cite this article

[IEEE Style]

M. Salimi and A. Zakipour, "Lyapunov Based Adaptive-Robust Control of the Non-Minimum phase DC-DC Converters Using Input-Output Linearization," Journal of Power Electronics, vol. 15, no. 6, pp. 1577-1583, 2015. DOI: 10.6113/JPE.2015.15.6.1577.

[ACM Style]

Mahdi Salimi and Adel Zakipour. 2015. Lyapunov Based Adaptive-Robust Control of the Non-Minimum phase DC-DC Converters Using Input-Output Linearization. Journal of Power Electronics, 15, 6, (2015), 1577-1583. DOI: 10.6113/JPE.2015.15.6.1577.