Aukie Hooglugt / Mbed 2 deprecated Regelaar_motor

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Dependencies:   Encoder HIDScope mbed

main.cpp@6:2887ad4c5d97, 2014-10-28 (annotated)

Committer:
wbuysman
Date:
Tue Oct 28 11:55:34 2014 +0000
Revision:
6:2887ad4c5d97
Parent:
5:7fb05dfead4d
Child:
7:59116528d895
If loop van motor 1 werkt niet, wanneer deze verwijderd wordt werkt alles

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wbuysman 0:c205dc094877 1 #include "mbed.h"
wbuysman 0:c205dc094877 2 #include "encoder.h"
wbuysman 0:c205dc094877 3 #include "HIDScope.h"
wbuysman 0:c205dc094877 4
wbuysman 0:c205dc094877 5
wbuysman 6:2887ad4c5d97 6 HIDScope scope(6);
wbuysman 0:c205dc094877 7
wbuysman 5:7fb05dfead4d 8 void keep_in_range(float * in, float min, float max);
wbuysman 5:7fb05dfead4d 9
wbuysman 0:c205dc094877 10 int main()
wbuysman 0:c205dc094877 11 {
wbuysman 0:c205dc094877 12 //motor 1, 25D
wbuysman 0:c205dc094877 13 Encoder motor1(PTD3, PTD5);
wbuysman 0:c205dc094877 14 DigitalOut motor1dir(PTC9);
wbuysman 0:c205dc094877 15 PwmOut pwm_motor1(PTC8);
wbuysman 0:c205dc094877 16 pwm_motor1.period_us(100); //10kHz PWM frequency
wbuysman 0:c205dc094877 17
wbuysman 0:c205dc094877 18 //motor 2, 25D
wbuysman 0:c205dc094877 19 Encoder motor2(PTD2,PTD0);
wbuysman 0:c205dc094877 20 DigitalOut motor2dir(PTA4);
wbuysman 0:c205dc094877 21 PwmOut pwm_motor2(PTA5);
wbuysman 0:c205dc094877 22 pwm_motor2.period_us(100); //10kHz PWM frequency
wbuysman 0:c205dc094877 23
wbuysman 0:c205dc094877 24
wbuysman 2:302174acdac7 25 float integral1 = 0;
wbuysman 4:91b583d4d8c4 26 float setpoint1 = 3;
wbuysman 2:302174acdac7 27 float dt1 = 0.01;
wbuysman 6:2887ad4c5d97 28 float Kp1 = 2;
wbuysman 6:2887ad4c5d97 29 float Ki1 = 0.5;
wbuysman 2:302174acdac7 30 float error1 = 0;
wbuysman 2:302174acdac7 31 float output1 = 0;
wbuysman 6:2887ad4c5d97 32 float omrekenfactor1 = (32*70)/6.28;
wbuysman 6:2887ad4c5d97 33
wbuysman 6:2887ad4c5d97 34 float integral2 = 0;
wbuysman 6:2887ad4c5d97 35 float setpoint2 = 3.14;
wbuysman 6:2887ad4c5d97 36 float dt2 = 0.01;
wbuysman 6:2887ad4c5d97 37 float Kp2 = 0.55;
wbuysman 6:2887ad4c5d97 38 float Ki2 = 0.45;
wbuysman 6:2887ad4c5d97 39 float error2 = 0;
wbuysman 6:2887ad4c5d97 40 float output2 = 0;
wbuysman 6:2887ad4c5d97 41 float omrekenfactor2 = (24*172)/6.28;
wbuysman 3:e40763e01a80 42
wbuysman 0:c205dc094877 43 while(1) {
wbuysman 6:2887ad4c5d97 44 if(motor1.getPosition()/omrekenfactor1 < 1.3) {
wbuysman 6:2887ad4c5d97 45 error1 = setpoint1 - motor1.getSpeed()/omrekenfactor1;
wbuysman 6:2887ad4c5d97 46 //motorpositie omgerekend naar rad/s
wbuysman 6:2887ad4c5d97 47 integral1 = integral1 + error1*dt1;
wbuysman 6:2887ad4c5d97 48 output1 = Kp1*error1 + Ki1*integral1;
wbuysman 6:2887ad4c5d97 49 keep_in_range(&output1,-1,1);
wbuysman 6:2887ad4c5d97 50 pwm_motor1.write(abs(output1));
wbuysman 6:2887ad4c5d97 51 wait(dt1);
wbuysman 6:2887ad4c5d97 52 }
wbuysman 3:e40763e01a80 53
wbuysman 6:2887ad4c5d97 54 else {
wbuysman 6:2887ad4c5d97 55 output1=0;
wbuysman 6:2887ad4c5d97 56 }
wbuysman 3:e40763e01a80 57
wbuysman 0:c205dc094877 58
wbuysman 3:e40763e01a80 59 if(output1 > 0) {
wbuysman 5:7fb05dfead4d 60 motor1dir = 1;
wbuysman 3:e40763e01a80 61 } else {
wbuysman 5:7fb05dfead4d 62 motor1dir = 0;
wbuysman 3:e40763e01a80 63 }
wbuysman 6:2887ad4c5d97 64
wbuysman 6:2887ad4c5d97 65 error2 = setpoint2 - motor2.getPosition()/omrekenfactor2; // (omrekenfactor)/dt1;
wbuysman 6:2887ad4c5d97 66 //motorpositie omgerekend naar rad/s
wbuysman 6:2887ad4c5d97 67 integral2 = integral2+ error2*dt2;
wbuysman 6:2887ad4c5d97 68 output2 = Kp2*error2 + Ki2*integral2;
wbuysman 6:2887ad4c5d97 69 keep_in_range(&output2,-1,1);
wbuysman 6:2887ad4c5d97 70 pwm_motor2.write(abs(output2));
wbuysman 6:2887ad4c5d97 71 wait(dt2);
wbuysman 6:2887ad4c5d97 72
wbuysman 6:2887ad4c5d97 73
wbuysman 6:2887ad4c5d97 74 if(output2 > 0) {
wbuysman 6:2887ad4c5d97 75 motor2dir = 1;
wbuysman 6:2887ad4c5d97 76 } else {
wbuysman 6:2887ad4c5d97 77 motor2dir = 0;
wbuysman 6:2887ad4c5d97 78 }
wbuysman 6:2887ad4c5d97 79 scope.set(0, output1);
wbuysman 6:2887ad4c5d97 80 scope.set(1, motor1.getSpeed()/omrekenfactor1);
wbuysman 6:2887ad4c5d97 81 scope.set(2, motor1.getPosition()/(omrekenfactor1));
wbuysman 6:2887ad4c5d97 82 scope.set(3, output2);
wbuysman 6:2887ad4c5d97 83 scope.set(4, motor2.getSpeed()/omrekenfactor2);
wbuysman 6:2887ad4c5d97 84 scope.set(5, motor2.getPosition()/(omrekenfactor2));
wbuysman 4:91b583d4d8c4 85 scope.send();
wbuysman 0:c205dc094877 86 }
wbuysman 5:7fb05dfead4d 87 }
wbuysman 5:7fb05dfead4d 88 void keep_in_range(float * in, float min, float max)
wbuysman 5:7fb05dfead4d 89 {
wbuysman 5:7fb05dfead4d 90 *in > min ? *in < max? : *in = max: *in = max;
wbuysman 0:c205dc094877 91 }