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Electronics 2018, 7(12), 447; https://doi.org/10.3390/electronics7120447

Using a Current Controlled Light-Dependent Resistor to Bridge the Control of DC/DC Power Converter

Department of Aerospace Engineering, Tamkang University, Tamsui, New Taipei City 25137, Taiwan
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Received: 4 December 2018 / Revised: 12 December 2018 / Accepted: 17 December 2018 / Published: 17 December 2018
(This article belongs to the Special Issue Renewable Energy Systems for Mobile Robots)
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Abstract

This paper presents the design of a microcontroller controlled buck-boost DC-to-DC power converter system. The system contains two major subsystems, a Zeta type buck-boost power converter and a control unit and it contains two control loops. The inner-loop is a voltage regulator based on a Zeta type buck-boost converter. The outer-loop is for voltage and current regulation. The voltage/current regulation is achieved by controlling a light dependent resistor from the control unit. Computer simulations based on a MATLAB/SIMULINK model were successfully conducted to verify the design. In addition, a prototype system was built and successfully tested for a Li-ion battery charging application. View Full-Text
Keywords: DC/DC converter; light dependent resistor; power converter control; voltage regulation; current regulation DC/DC converter; light dependent resistor; power converter control; voltage regulation; current regulation
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Shiau, J.-K.; Chiu, H.-Y.; Sun, J.-W. Using a Current Controlled Light-Dependent Resistor to Bridge the Control of DC/DC Power Converter. Electronics 2018, 7, 447.

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