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https://github.com/miguel5612/MQSensorsLib.git
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Fixed algorithm calculation
This commit is contained in:
miguel5612
parent
c54b79e7f7
commit
1712dc56c9
@ -14,36 +14,12 @@
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//Definitions
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#define placa "Arduino Mega 2560"
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#define Voltage_Resolution 5
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#define type "MQ-Board"
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#define type "Algorithm Tester"
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#define ADC_Bit_Resolution 10 // For arduino UNO/MEGA/NANO
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// On this program pin value doesn't matter
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#define pin2 A2 //Analog input 2 of your arduino
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#define pin3 A3 //Analog input 3 of your arduino
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#define pin4 A4 //Analog input 4 of your arduino
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#define pin5 A5 //Analog input 5 of your arduino
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#define pin6 A6 //Analog input 6 of your arduino
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#define pin7 A7 //Analog input 7 of your arduino
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#define pin8 A6 //Analog input 6 of your arduino
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#define pin9 A7 //Analog input 7 of your arduino
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#define pin10 A6 //Analog input 6 of your arduino
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#define pin11 A7 //Analog input 7 of your arduino
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#define pin12 A6 //Analog input 6 of your arduino
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#define pin13 A7 //Analog input 7 of your arduino
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//#define calibration_button 13 //Pin to calibrate your sensor
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//Declare Sensor
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MQUnifiedsensor MQ2(placa, Voltage_Resolution, ADC_Bit_Resolution, pin2, type);
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MQUnifiedsensor MQ3(placa, Voltage_Resolution, ADC_Bit_Resolution, pin3, type);
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MQUnifiedsensor MQ4(placa, Voltage_Resolution, ADC_Bit_Resolution, pin4, type);
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MQUnifiedsensor MQ5(placa, Voltage_Resolution, ADC_Bit_Resolution, pin5, type);
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MQUnifiedsensor MQ6(placa, Voltage_Resolution, ADC_Bit_Resolution, pin6, type);
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MQUnifiedsensor MQ7(placa, Voltage_Resolution, ADC_Bit_Resolution, pin7, type);
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MQUnifiedsensor MQ8(placa, Voltage_Resolution, ADC_Bit_Resolution, pin8, type);
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MQUnifiedsensor MQ9(placa, Voltage_Resolution, ADC_Bit_Resolution, pin9, type);
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MQUnifiedsensor MQ131(placa, Voltage_Resolution, ADC_Bit_Resolution, pin10, type);
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MQUnifiedsensor MQ135(placa, Voltage_Resolution, ADC_Bit_Resolution, pin11, type);
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MQUnifiedsensor MQ303(placa, Voltage_Resolution, ADC_Bit_Resolution, pin12, type);
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MQUnifiedsensor MQ309(placa, Voltage_Resolution, ADC_Bit_Resolution, pin13, type);
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MQUnifiedsensor mySensor(placa, Voltage_Resolution, ADC_Bit_Resolution, pin2, type);
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double ratio[4] = {};
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double expectedValue[4] = {};
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@ -55,65 +31,7 @@ void setup()
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//Init serial port
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Serial.begin(9600);
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//init the sensor
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MQ2.init();
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MQ2.setRegressionMethod(1); //_PPM = a*ratio^b
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MQ2.setA(574.25); MQ2.setB(-2.222); // Configurate the ecuation values to get LPG concentration
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MQ2.setR0(9.659574468);
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MQ3.init();
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MQ3.setRegressionMethod(1); //_PPM = a*ratio^b
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MQ3.setA(4.8387); MQ3.setB(-2.68); // Configurate the ecuation values to get Benzene concentration
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MQ3.setR0(3.86018237);
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MQ4.init();
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MQ4.setRegressionMethod(1); //_PPM = a*ratio^b
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MQ4.setA(1012.7); MQ4.setB(-2.786); // Configurate the ecuation values to get CH4 concentration
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MQ4.setR0(3.86018237);
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MQ5.init();
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MQ5.setRegressionMethod(1); //_PPM = a*ratio^b
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MQ5.setA(1163.8); MQ5.setB(-3.874); // Configurate the ecuation values to get H2 concentration
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MQ5.setR0(71.100304);
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MQ6.init();
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MQ6.setRegressionMethod(1); //_PPM = a*ratio^b
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MQ6.setA(2127.2); MQ6.setB(-2.526); // Configurate the ecuation values to get CH4 concentration
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MQ6.setR0(13.4285714);
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MQ7.init();
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MQ7.setRegressionMethod(1); //_PPM = a*ratio^b
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MQ7.setA(99.042); MQ7.setB(-1.518); // Configurate the ecuation values to get CO concentration
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MQ7.setR0(4);
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MQ8.init();
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MQ8.setRegressionMethod(1); //_PPM = a*ratio^b
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MQ8.setA(976.97); MQ8.setB(-0.688); // Configurate the ecuation values to get H2 concentration
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MQ8.setR0(1);
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MQ9.init();
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MQ9.setRegressionMethod(1); //_PPM = a*ratio^b
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MQ9.setA(1000.5); MQ9.setB(-2.186); // Configurate the ecuation values to get LPG concentration
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MQ9.setR0(9.42857143);
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MQ131.init();
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MQ131.setRegressionMethod(1); //_PPM = a*ratio^b
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MQ131.setA(23.943); MQ131.setB(-1.11); // Configurate the ecuation values to get O3 concentration
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MQ131.setR0(385.40);
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MQ135.setRegressionMethod(1); //_PPM = a*ratio^b
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MQ135.setA(102.2); MQ135.setB(-2.473); // Configurate the ecuation values to get NH4 concentration
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MQ135.setR0(76.63);
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MQ135.init();
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MQ303.setRegressionMethod(1); //_PPM = a*ratio^b
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MQ303.setA(6.2144); MQ303.setB(-2.894); // Configurate the ecuation values to get Isobutano concentration
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MQ303.setR0(10);
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MQ303.init();
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MQ309.setRegressionMethod(1); //_PPM = a*ratio^b
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MQ309.setA(1000000); MQ309.setB(-4.01); // Configurate the ecuation values to get CO concentration
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MQ309.setR0(10);
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MQ309.init();
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mySensor.init();
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//Print in serial monitor
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Serial.println("MQ2 to MQ9 - test program");
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@ -122,282 +40,81 @@ void setup()
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void loop()
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{
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// Testing MQ2 LPG
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Serial.println("**********************************************************************************************************************************");
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ratio[0] = 1.8; ratio[1] = 1.05; ratio[2] = 0.8; ratio[3] = 0.5;
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expectedValue[0] = 200; expectedValue[1] = 500; expectedValue[2] = 1000; expectedValue[3] = 3000;
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calculatedValues[0] = MQ2.validateEcuation(ratio[0]);
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calculatedValues[1] = MQ2.validateEcuation(ratio[1]);
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calculatedValues[2] = MQ2.validateEcuation(ratio[2]);
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calculatedValues[3] = MQ2.validateEcuation(ratio[3]);
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error[0] = calculatePercentualError(expectedValue[0], calculatedValues[0]);
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error[1] = calculatePercentualError(expectedValue[1], calculatedValues[1]);
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error[2] = calculatePercentualError(expectedValue[2], calculatedValues[2]);
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error[3] = calculatePercentualError(expectedValue[3], calculatedValues[3]);
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Serial.print("Error(%) MQ2: ");
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Serial.print(error[0]); Serial.print(" ");
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Serial.print(error[1]); Serial.print(" ");
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Serial.print(error[2]); Serial.print(" ");
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Serial.print(error[3]); Serial.print(" | Calculated(PPM): ");
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Serial.print(calculatedValues[0]); Serial.print(" ");
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Serial.print(calculatedValues[1]); Serial.print(" ");
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Serial.print(calculatedValues[2]); Serial.print(" ");
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Serial.print(calculatedValues[3]); Serial.print(" | Expected(PPM): ");
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Serial.print(expectedValue[0]); Serial.print(" ");
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Serial.print(expectedValue[1]); Serial.print(" ");
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Serial.print(expectedValue[2]); Serial.print(" ");
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Serial.print(expectedValue[3]); Serial.println(" | ");
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testSensor("MQ-2", 574.25, -2.222);
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// Testing MQ3 Benzene
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ratio[0] = 4; ratio[1] = 3; ratio[2] = 1; ratio[3] = 0.8;
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expectedValue[0] = 0.1; expectedValue[1] = 0.21; expectedValue[2] = 4; expectedValue[3] = 10;
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calculatedValues[0] = MQ3.validateEcuation(ratio[0]);
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calculatedValues[1] = MQ3.validateEcuation(ratio[1]);
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calculatedValues[2] = MQ3.validateEcuation(ratio[2]);
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calculatedValues[3] = MQ3.validateEcuation(ratio[3]);
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error[0] = calculatePercentualError(expectedValue[0], calculatedValues[0]);
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error[1] = calculatePercentualError(expectedValue[1], calculatedValues[1]);
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error[2] = calculatePercentualError(expectedValue[2], calculatedValues[2]);
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error[3] = calculatePercentualError(expectedValue[3], calculatedValues[3]);
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Serial.print("Error(%) MQ3: ");
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Serial.print(error[0]); Serial.print(" ");
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Serial.print(error[1]); Serial.print(" ");
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Serial.print(error[2]); Serial.print(" ");
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Serial.print(error[3]); Serial.print(" | Calculated(PPM): ");
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Serial.print(calculatedValues[0]); Serial.print(" ");
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Serial.print(calculatedValues[1]); Serial.print(" ");
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Serial.print(calculatedValues[2]); Serial.print(" ");
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Serial.print(calculatedValues[3]); Serial.print(" | Expected(PPM): ");
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Serial.print(expectedValue[0]); Serial.print(" ");
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Serial.print(expectedValue[1]); Serial.print(" ");
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Serial.print(expectedValue[2]); Serial.print(" ");
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Serial.print(expectedValue[3]); Serial.println(" | ");
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testSensor("MQ-3", 4.8387, -2.68);
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// Testing MQ4 CH4
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ratio[0] = 1.9; ratio[1] = 1; ratio[2] = 0.6; ratio[3] = 0.42;
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expectedValue[0] = 200; expectedValue[1] = 1000; expectedValue[2] = 5000; expectedValue[3] = 10000;
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calculatedValues[0] = MQ4.validateEcuation(ratio[0]);
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calculatedValues[1] = MQ4.validateEcuation(ratio[1]);
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calculatedValues[2] = MQ4.validateEcuation(ratio[2]);
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calculatedValues[3] = MQ4.validateEcuation(ratio[3]);
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error[0] = calculatePercentualError(expectedValue[0], calculatedValues[0]);
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error[1] = calculatePercentualError(expectedValue[1], calculatedValues[1]);
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error[2] = calculatePercentualError(expectedValue[2], calculatedValues[2]);
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error[3] = calculatePercentualError(expectedValue[3], calculatedValues[3]);
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Serial.print("Error(%) MQ4: ");
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Serial.print(error[0]); Serial.print(" ");
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Serial.print(error[1]); Serial.print(" ");
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Serial.print(error[2]); Serial.print(" ");
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Serial.print(error[3]); Serial.print(" | Calculated(PPM): ");
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Serial.print(calculatedValues[0]); Serial.print(" ");
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Serial.print(calculatedValues[1]); Serial.print(" ");
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Serial.print(calculatedValues[2]); Serial.print(" ");
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Serial.print(calculatedValues[3]); Serial.print(" | Expected(PPM): ");
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Serial.print(expectedValue[0]); Serial.print(" ");
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Serial.print(expectedValue[1]); Serial.print(" ");
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Serial.print(expectedValue[2]); Serial.print(" ");
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Serial.print(expectedValue[3]); Serial.println(" | ");
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testSensor("MQ-4", 1012.7, -2.786);
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// Testing MQ5 H2
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ratio[0] = 1.8; ratio[1] = 1.3; ratio[2] = 0.8; ratio[3] = 0.68;
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expectedValue[0] = 200; expectedValue[1] = 500; expectedValue[2] = 3000; expectedValue[3] = 10000;
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calculatedValues[0] = MQ5.validateEcuation(ratio[0]);
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calculatedValues[1] = MQ5.validateEcuation(ratio[1]);
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calculatedValues[2] = MQ5.validateEcuation(ratio[2]);
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calculatedValues[3] = MQ5.validateEcuation(ratio[3]);
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error[0] = calculatePercentualError(expectedValue[0], calculatedValues[0]);
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error[1] = calculatePercentualError(expectedValue[1], calculatedValues[1]);
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error[2] = calculatePercentualError(expectedValue[2], calculatedValues[2]);
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error[3] = calculatePercentualError(expectedValue[3], calculatedValues[3]);
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Serial.print("Error(%) MQ5: ");
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Serial.print(error[0]); Serial.print(" ");
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Serial.print(error[1]); Serial.print(" ");
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Serial.print(error[2]); Serial.print(" ");
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Serial.print(error[3]); Serial.print(" | Calculated(PPM): ");
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Serial.print(calculatedValues[0]); Serial.print(" ");
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Serial.print(calculatedValues[1]); Serial.print(" ");
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Serial.print(calculatedValues[2]); Serial.print(" ");
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Serial.print(calculatedValues[3]); Serial.print(" | Expected(PPM): ");
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Serial.print(expectedValue[0]); Serial.print(" ");
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Serial.print(expectedValue[1]); Serial.print(" ");
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Serial.print(expectedValue[2]); Serial.print(" ");
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Serial.print(expectedValue[3]); Serial.println(" | ");
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testSensor("MQ-5", 1163.8, -3.874);
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// Testing MQ6 CH4
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ratio[0] = 2.6; ratio[1] = 1.9; ratio[2] = 1; ratio[3] = 0.8;
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expectedValue[0] = 200; expectedValue[1] = 500; expectedValue[2] = 2000; expectedValue[3] = 5000;
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calculatedValues[0] = MQ6.validateEcuation(ratio[0]);
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calculatedValues[1] = MQ6.validateEcuation(ratio[1]);
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calculatedValues[2] = MQ6.validateEcuation(ratio[2]);
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calculatedValues[3] = MQ6.validateEcuation(ratio[3]);
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error[0] = calculatePercentualError(expectedValue[0], calculatedValues[0]);
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error[1] = calculatePercentualError(expectedValue[1], calculatedValues[1]);
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error[2] = calculatePercentualError(expectedValue[2], calculatedValues[2]);
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error[3] = calculatePercentualError(expectedValue[3], calculatedValues[3]);
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Serial.print("Error(%) MQ6: ");
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Serial.print(error[0]); Serial.print(" ");
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Serial.print(error[1]); Serial.print(" ");
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Serial.print(error[2]); Serial.print(" ");
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Serial.print(error[3]); Serial.print(" | Calculated(PPM): ");
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Serial.print(calculatedValues[0]); Serial.print(" ");
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Serial.print(calculatedValues[1]); Serial.print(" ");
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Serial.print(calculatedValues[2]); Serial.print(" ");
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Serial.print(calculatedValues[3]); Serial.print(" | Expected(PPM): ");
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Serial.print(expectedValue[0]); Serial.print(" ");
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Serial.print(expectedValue[1]); Serial.print(" ");
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Serial.print(expectedValue[2]); Serial.print(" ");
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Serial.print(expectedValue[3]); Serial.println(" | ");
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testSensor("MQ-6", 2127.2, -2.526);
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// Testing MQ7 CO
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ratio[0] = 1.8; ratio[1] = 1; ratio[2] = 0.4; ratio[3] = 0.25;
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expectedValue[0] = 50; expectedValue[1] = 100; expectedValue[2] = 400; expectedValue[3] = 1000;
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calculatedValues[0] = MQ7.validateEcuation(ratio[0]);
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calculatedValues[1] = MQ7.validateEcuation(ratio[1]);
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calculatedValues[2] = MQ7.validateEcuation(ratio[2]);
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calculatedValues[3] = MQ7.validateEcuation(ratio[3]);
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error[0] = calculatePercentualError(expectedValue[0], calculatedValues[0]);
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error[1] = calculatePercentualError(expectedValue[1], calculatedValues[1]);
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error[2] = calculatePercentualError(expectedValue[2], calculatedValues[2]);
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error[3] = calculatePercentualError(expectedValue[3], calculatedValues[3]);
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Serial.print("Error(%) MQ7: ");
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Serial.print(error[0]); Serial.print(" ");
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Serial.print(error[1]); Serial.print(" ");
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Serial.print(error[2]); Serial.print(" ");
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Serial.print(error[3]); Serial.print(" | Calculated(PPM): ");
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Serial.print(calculatedValues[0]); Serial.print(" ");
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Serial.print(calculatedValues[1]); Serial.print(" ");
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Serial.print(calculatedValues[2]); Serial.print(" ");
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Serial.print(calculatedValues[3]); Serial.print(" | Expected(PPM): ");
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Serial.print(expectedValue[0]); Serial.print(" ");
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Serial.print(expectedValue[1]); Serial.print(" ");
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Serial.print(expectedValue[2]); Serial.print(" ");
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Serial.print(expectedValue[3]); Serial.println(" | ");
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testSensor("MQ-7", 99.042, -1.518);
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// Testing MQ8 H2
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ratio[0] = 2.6; ratio[1] = 1; ratio[2] = 0.21; ratio[3] = 0.03;
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expectedValue[0] = 500; expectedValue[1] = 1000; expectedValue[2] = 3000; expectedValue[3] = 10000;
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calculatedValues[0] = MQ8.validateEcuation(ratio[0]);
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calculatedValues[1] = MQ8.validateEcuation(ratio[1]);
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calculatedValues[2] = MQ8.validateEcuation(ratio[2]);
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calculatedValues[3] = MQ8.validateEcuation(ratio[3]);
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error[0] = calculatePercentualError(expectedValue[0], calculatedValues[0]);
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error[1] = calculatePercentualError(expectedValue[1], calculatedValues[1]);
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error[2] = calculatePercentualError(expectedValue[2], calculatedValues[2]);
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error[3] = calculatePercentualError(expectedValue[3], calculatedValues[3]);
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Serial.print("Error(%) MQ8: ");
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Serial.print(error[0]); Serial.print(" ");
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Serial.print(error[1]); Serial.print(" ");
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Serial.print(error[2]); Serial.print(" ");
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Serial.print(error[3]); Serial.print(" | Calculated(PPM): ");
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Serial.print(calculatedValues[0]); Serial.print(" ");
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Serial.print(calculatedValues[1]); Serial.print(" ");
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Serial.print(calculatedValues[2]); Serial.print(" ");
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Serial.print(calculatedValues[3]); Serial.print(" | Expected(PPM): ");
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Serial.print(expectedValue[0]); Serial.print(" ");
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Serial.print(expectedValue[1]); Serial.print(" ");
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Serial.print(expectedValue[2]); Serial.print(" ");
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Serial.print(expectedValue[3]); Serial.println(" | ");
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testSensor("MQ-8", 976.97, -0.688);
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// Testing MQ9 LPG
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ratio[0] = 2; ratio[1] = 1.4; ratio[2] = 0.7; ratio[3] = 0.23;
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expectedValue[0] = 200; expectedValue[1] = 500; expectedValue[2] = 2000; expectedValue[3] = 10000;
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calculatedValues[0] = MQ9.validateEcuation(ratio[0]);
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calculatedValues[1] = MQ9.validateEcuation(ratio[1]);
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calculatedValues[2] = MQ9.validateEcuation(ratio[2]);
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calculatedValues[3] = MQ9.validateEcuation(ratio[3]);
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error[0] = calculatePercentualError(expectedValue[0], calculatedValues[0]);
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error[1] = calculatePercentualError(expectedValue[1], calculatedValues[1]);
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error[2] = calculatePercentualError(expectedValue[2], calculatedValues[2]);
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error[3] = calculatePercentualError(expectedValue[3], calculatedValues[3]);
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Serial.print("Error(%) MQ9: ");
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Serial.print(error[0]); Serial.print(" ");
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Serial.print(error[1]); Serial.print(" ");
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Serial.print(error[2]); Serial.print(" ");
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Serial.print(error[3]); Serial.print(" | Calculated(PPM): ");
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Serial.print(calculatedValues[0]); Serial.print(" ");
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Serial.print(calculatedValues[1]); Serial.print(" ");
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Serial.print(calculatedValues[2]); Serial.print(" ");
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Serial.print(calculatedValues[3]); Serial.print(" | Expected(PPM): ");
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Serial.print(expectedValue[0]); Serial.print(" ");
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Serial.print(expectedValue[1]); Serial.print(" ");
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Serial.print(expectedValue[2]); Serial.print(" ");
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Serial.print(expectedValue[3]); Serial.println(" | ");
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testSensor("MQ-9", 1000.5, -2.186);
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// Testing MQ131 O3
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ratio[0] = 5; ratio[1] = 2; ratio[2] = 0.7; ratio[3] = 0.5;
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expectedValue[0] = 5; expectedValue[1] = 20; expectedValue[2] = 70; expectedValue[3] = 100;
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calculatedValues[0] = MQ131.validateEcuation(ratio[0]);
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calculatedValues[1] = MQ131.validateEcuation(ratio[1]);
|
||||
calculatedValues[2] = MQ131.validateEcuation(ratio[2]);
|
||||
calculatedValues[3] = MQ131.validateEcuation(ratio[3]);
|
||||
error[0] = calculatePercentualError(expectedValue[0], calculatedValues[0]);
|
||||
error[1] = calculatePercentualError(expectedValue[1], calculatedValues[1]);
|
||||
error[2] = calculatePercentualError(expectedValue[2], calculatedValues[2]);
|
||||
error[3] = calculatePercentualError(expectedValue[3], calculatedValues[3]);
|
||||
Serial.print("Error(%) MQ131: ");
|
||||
Serial.print(error[0]); Serial.print(" ");
|
||||
Serial.print(error[1]); Serial.print(" ");
|
||||
Serial.print(error[2]); Serial.print(" ");
|
||||
Serial.print(error[3]); Serial.print(" | Calculated(PPM): ");
|
||||
Serial.print(calculatedValues[0]); Serial.print(" ");
|
||||
Serial.print(calculatedValues[1]); Serial.print(" ");
|
||||
Serial.print(calculatedValues[2]); Serial.print(" ");
|
||||
Serial.print(calculatedValues[3]); Serial.print(" | Expected(PPM): ");
|
||||
Serial.print(expectedValue[0]); Serial.print(" ");
|
||||
Serial.print(expectedValue[1]); Serial.print(" ");
|
||||
Serial.print(expectedValue[2]); Serial.print(" ");
|
||||
Serial.print(expectedValue[3]); Serial.println(" | ");
|
||||
testSensor("MQ-131", 23.943, -1.11);
|
||||
|
||||
// Testing MQ135 NH4
|
||||
ratio[0] = 2.6; ratio[1] = 1.9; ratio[2] = 1.1; ratio[3] = 0.75;
|
||||
expectedValue[0] = 10; expectedValue[1] = 20; expectedValue[2] = 100; expectedValue[3] = 200;
|
||||
calculatedValues[0] = MQ135.validateEcuation(ratio[0]);
|
||||
calculatedValues[1] = MQ135.validateEcuation(ratio[1]);
|
||||
calculatedValues[2] = MQ135.validateEcuation(ratio[2]);
|
||||
calculatedValues[3] = MQ135.validateEcuation(ratio[3]);
|
||||
error[0] = calculatePercentualError(expectedValue[0], calculatedValues[0]);
|
||||
error[1] = calculatePercentualError(expectedValue[1], calculatedValues[1]);
|
||||
error[2] = calculatePercentualError(expectedValue[2], calculatedValues[2]);
|
||||
error[3] = calculatePercentualError(expectedValue[3], calculatedValues[3]);
|
||||
Serial.print("Error(%) MQ135: ");
|
||||
Serial.print(error[0]); Serial.print(" ");
|
||||
Serial.print(error[1]); Serial.print(" ");
|
||||
Serial.print(error[2]); Serial.print(" ");
|
||||
Serial.print(error[3]); Serial.print(" | Calculated(PPM): ");
|
||||
Serial.print(calculatedValues[0]); Serial.print(" ");
|
||||
Serial.print(calculatedValues[1]); Serial.print(" ");
|
||||
Serial.print(calculatedValues[2]); Serial.print(" ");
|
||||
Serial.print(calculatedValues[3]); Serial.print(" | Expected(PPM): ");
|
||||
Serial.print(expectedValue[0]); Serial.print(" ");
|
||||
Serial.print(expectedValue[1]); Serial.print(" ");
|
||||
Serial.print(expectedValue[2]); Serial.print(" ");
|
||||
Serial.print(expectedValue[3]); Serial.println(" | ");
|
||||
testSensor("MQ-135", 102.2, -2.473);
|
||||
|
||||
// Testing MQ303 Isobutano
|
||||
ratio[0] = 0.4; ratio[1] = 0.3; ratio[2] = 0.19; ratio[3] = 0.08;
|
||||
expectedValue[0] = 100; expectedValue[1] = 300; expectedValue[2] = 1000; expectedValue[3] = 10000;
|
||||
calculatedValues[0] = MQ303.validateEcuation(ratio[0]);
|
||||
calculatedValues[1] = MQ303.validateEcuation(ratio[1]);
|
||||
calculatedValues[2] = MQ303.validateEcuation(ratio[2]);
|
||||
calculatedValues[3] = MQ303.validateEcuation(ratio[3]);
|
||||
error[0] = calculatePercentualError(expectedValue[0], calculatedValues[0]);
|
||||
error[1] = calculatePercentualError(expectedValue[1], calculatedValues[1]);
|
||||
error[2] = calculatePercentualError(expectedValue[2], calculatedValues[2]);
|
||||
error[3] = calculatePercentualError(expectedValue[3], calculatedValues[3]);
|
||||
Serial.print("Error(%) MQ303: ");
|
||||
Serial.print(error[0]); Serial.print(" ");
|
||||
Serial.print(error[1]); Serial.print(" ");
|
||||
Serial.print(error[2]); Serial.print(" ");
|
||||
Serial.print(error[3]); Serial.print(" | Calculated(PPM): ");
|
||||
Serial.print(calculatedValues[0]); Serial.print(" ");
|
||||
Serial.print(calculatedValues[1]); Serial.print(" ");
|
||||
Serial.print(calculatedValues[2]); Serial.print(" ");
|
||||
Serial.print(calculatedValues[3]); Serial.print(" | Expected(PPM): ");
|
||||
Serial.print(expectedValue[0]); Serial.print(" ");
|
||||
Serial.print(expectedValue[1]); Serial.print(" ");
|
||||
Serial.print(expectedValue[2]); Serial.print(" ");
|
||||
Serial.print(expectedValue[3]); Serial.println(" | ");
|
||||
testSensor("MQ-303", 6.2144, -2.894);
|
||||
|
||||
// Testing MQ309 CO
|
||||
ratio[0] = 6; ratio[1] = 5; ratio[2] = 4.3; ratio[3] = 4;
|
||||
expectedValue[0] = 1000; expectedValue[1] = 3000; expectedValue[2] = 5000; expectedValue[3] = 7000;
|
||||
calculatedValues[0] = MQ309.validateEcuation(ratio[0]);
|
||||
calculatedValues[1] = MQ309.validateEcuation(ratio[1]);
|
||||
calculatedValues[2] = MQ309.validateEcuation(ratio[2]);
|
||||
calculatedValues[3] = MQ309.validateEcuation(ratio[3]);
|
||||
testSensor("MQ-309", 1000000, -4.01);
|
||||
|
||||
}
|
||||
|
||||
|
||||
void testSensor(String SensorName, float A, float B)
|
||||
{
|
||||
mySensor.setA(A); mySensor.setB(B);
|
||||
calculatedValues[0] = mySensor.validateEcuation(ratio[0]);
|
||||
calculatedValues[1] = mySensor.validateEcuation(ratio[1]);
|
||||
calculatedValues[2] = mySensor.validateEcuation(ratio[2]);
|
||||
calculatedValues[3] = mySensor.validateEcuation(ratio[3]);
|
||||
error[0] = calculatePercentualError(expectedValue[0], calculatedValues[0]);
|
||||
error[1] = calculatePercentualError(expectedValue[1], calculatedValues[1]);
|
||||
error[2] = calculatePercentualError(expectedValue[2], calculatedValues[2]);
|
||||
error[3] = calculatePercentualError(expectedValue[3], calculatedValues[3]);
|
||||
Serial.print("Error(%) MQ309: ");
|
||||
|
||||
Serial.print("Error(%) "); Serial.print(SensorName); Serial.print(": ");
|
||||
Serial.print(error[0]); Serial.print(" ");
|
||||
Serial.print(error[1]); Serial.print(" ");
|
||||
Serial.print(error[2]); Serial.print(" ");
|
||||
@ -410,9 +127,6 @@ void loop()
|
||||
Serial.print(expectedValue[1]); Serial.print(" ");
|
||||
Serial.print(expectedValue[2]); Serial.print(" ");
|
||||
Serial.print(expectedValue[3]); Serial.println(" | ");
|
||||
|
||||
Serial.println("Test finalizado, por favor verifica que no existan errores >= 0.3 -> significa que no sea mayor al 30%");
|
||||
delay(60000);
|
||||
}
|
||||
|
||||
double calculatePercentualError(double expectedValue, double calculatedValue)
|
||||
|
||||
@ -105,9 +105,14 @@ void MQUnifiedsensor::update()
|
||||
}
|
||||
float MQUnifiedsensor::validateEcuation(float ratioInput)
|
||||
{
|
||||
//Serial.print("Ratio input: "); Serial.println(ratioInput);
|
||||
//Serial.print("a: "); Serial.println(_a);
|
||||
//Serial.print("b: "); Serial.println(_b);
|
||||
//Usage of this function: Unit test on ALgorithmTester example;
|
||||
if(_regressionMethod != 1) _PPM= _a*pow(ratioInput, _b);
|
||||
if(_regressionMethod == 1) _PPM= _a*pow(ratioInput, _b);
|
||||
else _PPM= _a*ratioInput + _b;
|
||||
//Serial.println("Regression Method: "); Serial.println(_regressionMethod);
|
||||
//Serial.println("Result: "); Serial.println(_PPM);
|
||||
return _PPM;
|
||||
}
|
||||
float MQUnifiedsensor::readSensor()
|
||||
@ -117,7 +122,7 @@ float MQUnifiedsensor::readSensor()
|
||||
if(_RS_Calc < 0) _RS_Calc = 0; //No negative values accepted.
|
||||
_ratio = _RS_Calc / this->_R0; // Get ratio RS_gas/RS_air
|
||||
if(_ratio <= 0) _ratio = 0; //No negative values accepted or upper datasheet recomendation.
|
||||
if(_regressionMethod != 1) _PPM= _a*pow(_ratio, _b);
|
||||
if(_regressionMethod == 1) _PPM= _a*pow(_ratio, _b);
|
||||
else _PPM= _a*_ratio + _b;
|
||||
if(_PPM < 0) _PPM = 0; //No negative values accepted or upper datasheet recomendation.
|
||||
//if(_PPM > 10000) _PPM = 99999999; //No negative values accepted or upper datasheet recomendation.
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user