[牛人杂谈] 我让chatGPT帮我写PID，它写的好像不对呀

#include <stdio.h>

//Define Variables

int target;

int KP;

int KI;

int KD;

 

//Function definition

void pid_control(int Error){

    int Proportional_Control, Integral_Control, Derivative_Control, Output;

   

    Proportional_Control = Error * KP;        //Proportional Control

 

    Integral_Control = Error * KI;           //Integral Control

 

    Derivative_Control = Error * KD;         //Derivative Control

 

    Output = Proportional_Control + Integral_Control + Derivative_Control;      //Calculate the Output

 

    if (Output > 0){                                  //Limit the output

       printf("Increase output");                     //Do appropriate action

    }

    else {

       printf("Decrease output");                     //Do appropriate action

    }

}

 

int main(){

    printf("Enter the Target Value:");

    scanf("%d", &target);                             //Read the target value

 

    //Calculate PID coefficients

    KP = 2.5;

    KI = 0.5;

    KD = 0.1;

 

    pid_control(target);                              //Call the function to control the system

 

    return 0;

}

#include <stdio.h>

 

int main()

{

    float error, prevError;

    float Kp, Ki, Kd;

    float output;

 

    // Proportional gain

    Kp = 0.5;

 

    // Integral gain

    Ki = 0.1;

 

    // Derivative gain

    Kd = 0.05;

 

    while (1)

    {

        // Compute Error

        prevError = error;

        error = getError();  // This should return the process error as a float

 

        // Compute output from PID algorithm

        float pTerm = Kp * error;

        float iTerm = Ki * (error + prevError);

        float dTerm = Kd * (error - prevError);

        output = pTerm + iTerm + dTerm; 

         

        // Send output to the system to be controlled

        outputControl(output);   // This should send the processed output to the system being controlled

     }

     return 0;

}

/*

 * Program to illustrate Incremental PID control

 */

# include <stdio.h>

int main()

{

     double Kp, Ki, Kd; // Proportional, Integral, Derivative constants

     int i;

 

     // Get the user input

     printf("Enter the Proportional(Kp), Integral(Ki), and Derivative(Kd) values:");

     scanf("%lf %lf %lf", &Kp, &Ki, &Kd);

 

     // Compute the incremental PID output

     double increment = Kp + Ki + Kd;

 

     // Apply the incremental PID output 

     for (i=0; i<1000; i++) {

         printf("Incremental PID Output at Timestep %d = %f\n", i, increment);

 

     }



     // Exit gracefully

     return 0;

}