1：Experimental Design and Method Selection:

The study involves the implementation of a modified P&O MPPT technique for a PV system, tested with a resistive load powered by a photovoltaic generator via a DC/DC converter. The methods are implemented with an STM32F4 microcontroller running in MATLAB/SIMULINK environment, using a computer incorporating a DS1104 card for visualization.

2：Sample Selection and Data Sources:

The PV array in simulation is composed of 10 PV modules, and the sampling period used for MPPT algorithm is chosen as 0.00001 s.

3：00001 s. List of Experimental Equipment and Materials:

3. List of Experimental Equipment and Materials: A dSPACE DS1104 controller board with TMS320F240 slave processor and ADC interface board CP1104, a STM32F4 microcontroller, a photovoltaic panel TITAN-12-50 type, an DC/DC converter SEMIKRON type, voltage sensor type LV-25-P, a current sensor type LA-25-NP, a temperature sensor based on LM335, and an insolation sensor based on TLO

4：Experimental Procedures and Operational Workflow:

The duty cycle command is updated every 0.00001 s. The study compares the performance of the MP&O MPPT method with the ordinary P&O MPPT method under the same conditions.

5：00001 s. The study compares the performance of the MP&O MPPT method with the ordinary P&O MPPT method under the same conditions. Data Analysis Methods:

5. Data Analysis Methods: The performance of the proposed algorithm is evaluated based on response time and the MPP tracking speed, comparing the dynamic response and oscillation around MPP between the modified method and the classical method.