工业自动化中的嵌入式控制系统设计与优化

#include <stdio.h>

typedef struct {
    float kp;  // 比例系数
    float ki;  // 积分系数
    float kd;  // 微分系数
    float setpoint;  // 设定值
    float integral;  // 积分项
    float prev_error;  // 上一次误差
} PIDController;

float calculate_pid(PIDController *pid, float current_value) {
    float error = pid->setpoint - current_value;
    pid->integral += error;
    float derivative = error - pid->prev_error;
    pid->prev_error = error;

    return pid->kp * error + pid->ki * pid->integral + pid->kd * derivative;
}

int main() {
    PIDController my_pid = {0.1, 0.01, 0.05, 100.0, 0.0, 0.0};

    // 模拟过程中的当前值
    float current_value = 80.0;

    // 模拟PID控制
    for (int i = 0; i < 100; ++i) {
        float output = calculate_pid(&my_pid, current_value);
        current_value += output;
        printf("Iteration %d: Current Value: %.2f\n", i, current_value);
    }

    return 0;
}

from flask import Flask, render_template
import random
import threading
import time

app = Flask(__name__)

# 模拟工业参数
temperature = 25.0
pressure = 1.0
humidity = 50.0

# 读取传感器数据的线程
def read_sensor_data():
    global temperature, pressure, humidity

    while True:
        # 模拟传感器数据变化
        temperature += random.uniform(-1, 1)
        pressure += random.uniform(-0.1, 0.1)
        humidity += random.uniform(-2, 2)

        time.sleep(1)

# 启动传感器数据读取线程
sensor_thread = threading.Thread(target=read_sensor_data)
sensor_thread.start()

# Flask路由
@app.route('/')
def index():
    return render_template('index.html', temperature=temperature, pressure=pressure, humidity=humidity)

if __name__ == '__main__':
    app.run(debug=True)

#include <DHT.h>

#define DHT_PIN 2       // DHT传感器连接到Arduino的引脚2
#define RELAY_PIN 8     // 继电器连接到Arduino的引脚8

DHT dht(DHT_PIN, DHT22);  // 使用DHT22传感器

void setup() {
  Serial.begin(9600);
  pinMode(RELAY_PIN, OUTPUT);
}

void loop() {
  // 读取温湿度数据
  float humidity = dht.readHumidity();
  float temperature = dht.readTemperature();

  // 打印数据到串口
  Serial.print("Humidity: ");
  Serial.print(humidity);
  Serial.print("%  Temperature: ");
  Serial.print(temperature);
  Serial.println("°C");

  // 控制逻辑：如果温度超过25°C，则开启继电器
  if (temperature > 25.0) {
    digitalWrite(RELAY_PIN, HIGH);
    Serial.println("Cooling system activated.");
  } else {
    digitalWrite(RELAY_PIN, LOW);
    Serial.println("Cooling system deactivated.");
  }

  delay(2000);  // 间隔2秒进行下一次读取和控制
}