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final
Revision 0:72ae4ee22e56, committed 2016-05-09
- Comitter:
- caleblegis
- Date:
- Mon May 09 23:51:59 2016 +0000
- Commit message:
- ss
Changed in this revision
diff -r 000000000000 -r 72ae4ee22e56 Motor.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Motor.lib Mon May 09 23:51:59 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/simon/code/Motor/#f265e441bcd9
diff -r 000000000000 -r 72ae4ee22e56 QEI.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/QEI.lib Mon May 09 23:51:59 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/aberk/code/QEI/#5c2ad81551aa
diff -r 000000000000 -r 72ae4ee22e56 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Mon May 09 23:51:59 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/87f2f5183dfb \ No newline at end of file
diff -r 000000000000 -r 72ae4ee22e56 turret.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/turret.cpp Mon May 09 23:51:59 2016 +0000 @@ -0,0 +1,110 @@ +#include "mbed.h" +#include "Motor.h" +#include "QEI.h" +#define pi (3.14159265) +#define logfreq (100) +#define data_pts (500) +Serial pc(USBTX, USBRX); +Motor m(p25, p23, p27); + +QEI enc(p16,p17,NC,1600); + + + +float motspeed; +float x; +float rad; +int count; +Timer t; +float rad_one=0; +float time_one=0; +float omega; +float old_E; +float E; +float PI=3.14159265; +float old_t; +float DC; +float old_DC; +float theta; +//float theta_desired=x; +float Ts=0.01; + +int main() +{ + t.reset(); + enc.reset(); + pc.printf("enter an angle\r\n"); + pc.scanf("%f", &x); + + + + + while(1) { + t.start(); + wait(1/logfreq); + //if(t.read()-old_t>=Ts) + + count = enc.getPulses() ; + theta = -count*((2*pi)/3200) ; + // Calculate position error + E=(x*(PI/180))-theta; + + // Control algorithm + DC = ((0.9841*old_DC) + (0.2348*E) - (0.2335*old_E)); + old_E = E; + m.speed(DC+0.15); + old_DC = DC; + + if(DC>0 && DC<0.7) + m.speed(DC+0.1); + if(E>-1.0) + m.speed(DC+0.15); + if (E<0.015 && E>-0.01) + m.speed(0.0); + else if(DC<0 && DC>-0.7){ + m.speed(DC-0.34); + if(E>-1.0) + m.speed(DC-0.5); + if (E>-0.015&& E<0.01) + m.speed(0.0);} + + // Age variables + + + old_t = t.read(); + + + //omega=(rad-rad_one)/(t-time_one); + //right is negative, left is positive theta + + //if (x<0){ + // m.speed(0.25); + //if(rad==x){ + //m.speed(0);}} + //if (x>0){ + // m.speed(-0.5); + // if(rad==x){ + //m.speed(0);}} + //rad_one=rad; + //time_one=t; + printf("time: %f angle: %f error: %f DC: %f\n\r", t.read(), theta, E,DC); + } + + + //0.2 for forward torque + //-0.5 for backward + + + //for (servopos=0; servopos<=1.0; servopos+=0.1){ + //for (motspeed= 0.2; motspeed <= 1.0; motspeed += 0.1) { + //myservo1 = servopos; + //myservo2 = 1.0 - servopos; + //printf("Servo 1 position %.2f Servo 2 position %.3f\n", servopos, (1-servopos)); + + //m.speed(motspeed); + //printf("motor speed is %.2f\n", motspeed); + //wait(0.0002); + //m.speed(-1.0); + //wait(0.002); + //m.speed(1.0); +}