PID para un circuito RC

Dependencies:   Debounced QEI TextLCD mbed

Files at this revision

API Documentation at this revision

Comitter:
Meli
Date:
Mon Oct 19 21:39:40 2015 +0000
Commit message:
Se realiza un PID para un circuito RC;

Changed in this revision

Debounced.lib Show annotated file Show diff for this revision Revisions of this file
QEI.lib Show annotated file Show diff for this revision Revisions of this file
TextLCD.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
diff -r 000000000000 -r 6725cd84b3ad Debounced.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Debounced.lib	Mon Oct 19 21:39:40 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/WarwickRacing/code/Debounced/#8992c13bbb9b
diff -r 000000000000 -r 6725cd84b3ad QEI.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/QEI.lib	Mon Oct 19 21:39:40 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/aberk/code/QEI/#5c2ad81551aa
diff -r 000000000000 -r 6725cd84b3ad TextLCD.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TextLCD.lib	Mon Oct 19 21:39:40 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/diego_carvajal/code/TextLCD/#6f50014a1b62
diff -r 000000000000 -r 6725cd84b3ad main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Oct 19 21:39:40 2015 +0000
@@ -0,0 +1,210 @@
+#include "mbed.h"
+#include "DebouncedIn.h"
+#include "TextLCD.h"
+#include "QEI.h" 
+
+AnalogIn Vin(PTC2); // entrada analoga 
+AnalogOut Vout(PTE30); // salida analoga
+//voltaje de salida maximo= 3.3 V
+
+TextLCD lcd(PTB10, PTB11, PTE2, PTE3, PTE4, PTE5); // rs, e, d4-d7
+
+QEI wheel (PTD5, PTD0, NC, 150);
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+DigitalOut led3(LED3);
+DebouncedIn botonEncoder(PTC5);
+DebouncedIn button4(PTC17);
+
+
+//int C1=0x0E; // solo muestra el curzor
+int C2=0x18; // desplaza izquierda
+int C3=0x1A; // desplaza derecha
+int C4=0x0C; // quito cursor bajo
+int C1=0x0F;
+int sp=0,kp=0,kd=0,ki=0,p=1,bandera = 0;
+int i; // indice de la variable
+int j; //variable controla cambio 4 posiciones
+float err;
+float pwmset;
+float eInteg;
+float pGain;
+float ePrev ;
+float iGain;
+float dGain;
+float x;
+int main()
+{
+    lcd.cls();
+    lcd.writeCommand(C1);//escribimos un comando segun el manual del modulo LCD
+    lcd.locate(8,0);
+    lcd.printf("kp=%d",kp);
+    lcd.locate(0,1);
+    lcd.printf("Ki=%d", ki);
+    lcd.locate(8,1);
+    lcd.printf("Kd=%d", kd);
+    lcd.locate(0,0);
+    lcd.printf("Sp=%d", sp);
+
+ while(1) {
+    
+              led3 =1;
+           if (botonEncoder.falling()) {   //INCREMENTA POSICION DEL MENU CON BOTON 3 (Switche encoder)
+              led3 =!led3;              
+               ++j;
+               }    
+                                                
+           if (j==0){      
+               sp=sp+wheel.getPulses();
+               wheel.reset();
+                 if (sp>5){
+                       sp=5;
+                            } 
+                 if (sp<0){
+                       sp=0;
+                          }   
+               lcd.locate(3,0);
+               lcd.printf("     ",sp);
+               lcd.locate(3,0);
+               lcd.printf("%d",sp);
+               wait(0.2);
+               
+               if(botonEncoder.falling()){
+                 j=1;
+                 led3=0;
+                 wait(0.3);
+                 wheel.reset();   
+                                    }   
+                   
+                     }
+              
+           if (j==1) {
+               kp=kp+wheel.getPulses();
+               wheel.reset();
+                 if (kp>999){
+                     kp=999;
+                          }              
+                 if (kp<0){
+                     kp=0;
+                          }   
+               lcd.locate(11,0);
+               lcd.printf("     ");
+               lcd.locate(11,0);
+               lcd.printf("%d",kp);
+               wait(0.2);
+               
+               if(botonEncoder.falling()){
+                 j=2;
+                 led3=0;
+                 wait(0.3);
+                 wheel.reset();    
+                                    }
+                                           
+                      }
+              
+           if (j==2) {
+               ki=ki+wheel.getPulses();
+               wheel.reset();
+                 if (ki>999){
+                     ki=999;
+                          }              
+                 if (ki<0){
+                     ki=0;
+                          }   
+               lcd.locate(3,1);
+               lcd.printf("     ");
+               lcd.locate(3,1);
+               lcd.printf("%d",ki);
+               wait(0.2);
+               
+               if(botonEncoder.falling()){
+                 j=3;
+                 led3=0;
+                 wait(0.3);
+                 wheel.reset();
+                                    }
+                                    
+                     }
+                     
+           if (j==3) {
+               kd=kd+wheel.getPulses();
+               wheel.reset();
+                 if (kd>999){
+                     kd=999;
+                            }              
+                 if (kd<0){
+                     kd=0;
+                          }   
+               lcd.locate(11,1);
+               lcd.printf("     ");
+               lcd.locate(11,1);
+               lcd.printf("%d",kd);
+               wait(0.2);
+               
+               if(botonEncoder.falling()){
+                 j=0;
+                 led3=0;
+                 wait(0.3);
+                 wheel.reset();
+                                    }
+                                            
+                       } 
+            
+           if (j==4) {
+               j=0;
+                     }                          
+                     
+           if (!button4){
+           break;        //sale del bucle si pisan suiche4
+                        }                  
+              }          //cierro while(1)
+          
+    //enter
+    if(button4.falling())
+    {
+      lcd.cls(); // al undir el boton 4 se borra la pantalla
+   //for (int h=0;h<100;h++)
+   //Vout= Vout+0.01;
+     while(bandera==0)
+     {
+     wait(0.2);
+     x=Vout.read(); // lee el voltaje de salida que nuestra analoga pero en porcentaje
+
+     //}
+  //pid
+    
+    err = sp-x;         // Calcula el error 
+   pwmset = kp* err+ki * eInteg +kd* (err - ePrev);    // ecuacion para el PID
+   pwmset=(0.976801/5)*pwmset;            // como el voltaje calculado fue un porcentaje se realiza una conversion respectiva al valor de salida
+    Vout=pwmset;
+    eInteg =eInteg+ err;                  // integral 
+    ePrev = err;
+    lcd.locate(0,1);
+    lcd.printf("error=%f",err);
+    lcd.locate(1,0);
+    lcd.printf("salida=%f",x);
+    if (button4.falling())
+    { bandera=1;
+    lcd.cls();
+    p=1;
+     lcd.locate(8,0);
+    lcd.printf("kp=%d",kp);
+    lcd.locate(0,1);
+    lcd.printf("Ki=%d", ki);
+    lcd.locate(8,1);
+    lcd.printf("Kd=%d", kd);
+    lcd.locate(0,0);
+    lcd.printf("Sp=%d", sp);
+
+    }
+
+     
+   }
+  bandera = 0;
+      }
+      
+                            
+                    
+    }
+
+
diff -r 000000000000 -r 6725cd84b3ad mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Mon Oct 19 21:39:40 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/34e6b704fe68
\ No newline at end of file