Revisión de Código de Controlador de Motores

vez algun fallo en el programa ?? const int NUM_SENSORS = 8; int sensorPins[NUM_SENSORS] = {A0, A1, A2, A3, A4, A5, A6, A7};
// Pines de control para el driver TB6612FNG // Motor A const int AIN1 = 3; const int AIN2 = 4; const int PWMA = 5;
// Motor B const int BIN1 = 6; const int BIN2 = 7; const int PWMB = 9;
const int baseSpeed = 150; // Velocidad base (0 - 255) const int maxSpeed = 255; // Velocidad máxima
// Inicializa el driver deteniendo ambos motores void setupMotors() { pinMode(AIN1, OUTPUT); pinMode(AIN2, OUTPUT); pinMode(PWMA, OUTPUT);
pinMode(BIN1, OUTPUT); pinMode(BIN2, OUTPUT); pinMode(PWMB, OUTPUT);
digitalWrite(AIN1, LOW); digitalWrite(AIN2, LOW); analogWrite(PWMA, 0);
digitalWrite(BIN1, LOW); digitalWrite(BIN2, LOW); analogWrite(PWMB, 0); }
// Control del Motor A void setMotorA(int speed) { if (speed > 0) { digitalWrite(AIN1, HIGH); digitalWrite(AIN2, LOW); } else if (speed 0) { digitalWrite(BIN1, HIGH); digitalWrite(BIN2, LOW); } else if (speed < 0) { digitalWrite(BIN1, LOW); digitalWrite(BIN2, HIGH); speed = -speed; } else { digitalWrite(BIN1, LOW); digitalWrite(BIN2, LOW); } analogWrite(PWMB, constrain(speed, 0, maxSpeed)); }
// Función que lee los 8 sensores y calcula una posición ponderada int readLinePosition() { long sumValues = 0; long weightedSum = 0;
for (int i = 0; i < NUM_SENSORS; i++) { int sensorValue = analogRead(sensorPins[i]); sumValues += sensorValue; // Se asume que cada sensor representa una posición escalada (0, 1000, 2000, ... 7000) weightedSum += (long)sensorValue * i * 1000; }
if (sumValues == 0) { return -1; // Línea no detectada }
int position = weightedSum / sumValues; return position; }
void setup() { Serial.begin(115200);
// Configurar pines de sensores for (int i = 0; i < NUM_SENSORS; i++) { pinMode(sensorPins[i], INPUT); }
setupMotors(); Serial.println("Inicio de seguidor de línea"); }
void loop() { int pos = readLinePosition();
if (pos == -1) { // Si no se detecta la línea, detenerse. setMotorA(0); setMotorB(0); Serial.println("Línea no detectada"); delay(100); return; }
// El punto central ideal de la línea es a la mitad: ((NUM_SENSORS-1)*1000)/2 int center = ((NUM_SENSORS - 1) * 1000) / 2; // en este caso, 3500 int error = pos - center;
// Control proporcional simple float Kp = 0.2; int correction = Kp * error;
int motorSpeedA = baseSpeed + correction; int motorSpeedB = baseSpeed - correction;
// Asegurar la velocidad dentro de los límites motorSpeedA = constrain(motorSpeedA, 0, maxSpeed); motorSpeedB = constrain(motorSpeedB, 0, maxSpeed);
setMotorA(motorSpeedA); setMotorB(motorSpeedB);
Serial.print("Posicion: "); Serial.print(pos); Serial.print(" | Error: "); Serial.print(error); Serial.print(" | SpeedA: "); Serial.print(motorSpeedA); Serial.print(" | SpeedB: "); Serial.println(motorSpeedB);
delay(10); }
El código parece funcionar correctamente sin errores evidentes. Algunos puntos a considerar o mejorar podrían ser:
  1. Rango de valores de sensores:
    Se asume que cada sensor aporta un valor proporcional a su posición (0, 1000, 2000, …). Asegúrate de que esto se corresponda con la salida real de tus sensores, ya que los valores de analogRead varían entre 0 y 1023 en la mayoría de las placas Arduino.
  2. Manejo de valores negativos en la función de control de motores:
    El código toma el valor absoluto si el error es negativo y establece las señales de control correspondientes para invertir la dirección, lo cual es correcto. Solo verifica que la lógica de inversión (cambiar AIN1 y AIN2, y lo mismo para BIN1 y BIN2) se ajuste al comportamiento esperado del driver TB6612FNG.
  3. Constantes y reputación de nombres:
    • Es buena práctica declarar constantes como const float Kp o incluso definir otros parámetros de control (si planeas experimentar con ellos).
    • Puedes agregar comentarios adicionales para clarificar los cálculos de la posición y el error, especialmente si otros van a revisar el código.
En resumen, no se observa ningún fallo lógico o sintáctico en el programa. ¡Puedes probarlo en tu hardware y ajustar los parámetros según sea necesario!
Additional code review
Hardware setup confirmation
PID control optimization
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