Solar power projects ... off-the-shelf MPPT, or maximum power-point tracking, controllers are expensive. His solution was to build his own controller using a cheap DC-DC converter that just ...

A few years ago, [Lukas Fässler] needed a solar charge controller and made his own, which he has been improving ever since. The design is now mature, and the High Efficiency MPPT Solar Charger ...

A “curve fitting toolbox in Simulink (MATLAB) is used to derive the controller equation for a novel DC voltage ... point tracking (MPPT). The battery is charged when solar irradiance is higher ...