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Christian Karl Oscar Lind Vie Madsen
2025-05-13 13:00:26 +02:00
parent 9ba90af648
commit 1b20a766c6
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buck_emulator.c Normal file
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/*
* buck_emulator.c
*
* Created on: 12 May 2025
* Author: Christian Lind Vie Madsen
*/
typedef struct {
float Vin; // Input voltage
float Vout; // Output voltage
float IL; // Inductor current
float L; // Inductance
float C; // Capacitance
float Rload; // Load resistance
float dt; // Time step (e.g., 25e-6)
} BuckConverter;
void simulate_step(BuckConverter *buck, float duty_cycle) {
float dIL = (buck->Vin * duty_cycle - buck->Vout) / buck->L;
buck->IL += dIL * buck->dt;
float dVout = (buck->IL - buck->Vout / buck->Rload) / buck->C;
buck->Vout += dVout * buck->dt;
}
/*
int main() {
BuckConverter buck = {
.Vin = 12.0,
.Vout = 0.0,
.IL = 0.0,
.L = 100e-6,
.C = 100e-6,
.Rload = 10.0,
.dt = 25e-6
};
float duty_cycle = 0.5;
float Vref = 5.0;
float error, previous_error = 0, integral = 0;
float Kp = 0.2, Ki = 1000;
for (int i = 0; i < 40000; ++i) {
error = Vref - buck.Vout;
integral += error * buck.dt;
duty_cycle = Kp * error + Ki * integral;
if (duty_cycle > 1.0) duty_cycle = 1.0;
if (duty_cycle < 0.0) duty_cycle = 0.0;
simulate_step(&buck, duty_cycle);
// For debug:
if (i % 1000 == 0)
printf("Time: %.3f ms, Vout: %.2f V, IL: %.2f A, Duty: %.2f\n",
i * buck.dt * 1000, buck.Vout, buck.IL, duty_cycle);
}
return 0;
}
*/

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/*
* main.c
*
* Created on: 12 May 2025
* Author: Christian Lind Vie Madsen
*/
#include <stdio.h>
int main(void){
}