N K / Mbed 2 deprecated priustroller_current

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Dependencies:   mbed

Fork of priustroller_2 by N K

callbacks.cpp@49:0603121a0538, 2015-04-21 (annotated)

Committer:
nki
Date:
Tue Apr 21 03:52:08 2015 +0000
Revision:
49:0603121a0538
Parent:
48:28edb4c5c04b
Child:
50:16b43e8fe04f
calibrated current sensors;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bwang 11:dccbaa9274c5 1 #include "includes.h"
bwang 11:dccbaa9274c5 2 #include "transforms.h"
bwang 11:dccbaa9274c5 3 #include "filters.h"
bwang 11:dccbaa9274c5 4 #include "context.h"
bwang 11:dccbaa9274c5 5 #include "core.h"
bwang 11:dccbaa9274c5 6 #include "meta.h"
bwang 11:dccbaa9274c5 7 #include "sensors.h"
bwang 24:f1ff9c7256b5 8 #include "debug.h"
bwang 11:dccbaa9274c5 9
bwang 11:dccbaa9274c5 10 void fast(Context *c) {
bwang 11:dccbaa9274c5 11 float alpha, beta, d, q, ref_d, ref_q, valpha, vbeta;
nki 21:da41c08e51bc 12 float I_b, I_c, angle, d_filtered, q_filtered, vd, vq;
bwang 24:f1ff9c7256b5 13 dbg_ib = I_b = c->motor->GetCurrentB();
bwang 24:f1ff9c7256b5 14 dbg_ic = I_c = c->motor->GetCurrentC();
bwang 24:f1ff9c7256b5 15 dbg_angle = angle = c->motor->GetPosition();
bwang 24:f1ff9c7256b5 16
bwang 24:f1ff9c7256b5 17 Clarke(-(I_b + I_c), I_b, &alpha, &beta);
bwang 11:dccbaa9274c5 18 Parke(alpha, beta, angle, &d, &q);
bwang 11:dccbaa9274c5 19
nki 34:bfe180de813a 20 dbg_d_filtered = d_filtered = c->filter_q->Update(q); //swapped
nki 34:bfe180de813a 21 dbg_q_filtered = q_filtered = -c->filter_d->Update(d); //these and added a negative on this line.
nki 34:bfe180de813a 22
nki 34:bfe180de813a 23 //The necessary changes were analytically determined by observing that a postive vd command corresponded to a reading of negative q axis torque
nki 34:bfe180de813a 24 //and that a positive vq command produced a reading of positive d axis torque.
nki 34:bfe180de813a 25 //This may be the final step in aligning the handedness of the reference and the output.
nki 36:11766b5da6ed 26
nki 33:e7b132029bae 27 c->reference->GetReference(angle, c->user->throttle, &ref_d, &ref_q);
bwang 24:f1ff9c7256b5 28
bwang 24:f1ff9c7256b5 29 dbg_ref_d = ref_d;
bwang 24:f1ff9c7256b5 30 dbg_ref_q = ref_q;
bwang 24:f1ff9c7256b5 31 dbg_loop_d = vd = c->pid_d->Update(ref_d, d_filtered);
bwang 24:f1ff9c7256b5 32 dbg_loop_q = vq = c->pid_q->Update(ref_q, q_filtered);
bwang 11:dccbaa9274c5 33
nki 36:11766b5da6ed 34 /*
nki 49:0603121a0538 35
nki 36:11766b5da6ed 36 if(c->user->throttle <= 0.1f){
nki 36:11766b5da6ed 37 float ramp = (c->user->throttle*10.0f)*(c->user->throttle*10.0f);
nki 36:11766b5da6ed 38 vd = ramp*vd;
nki 36:11766b5da6ed 39 vq = ramp*vq;
nki 49:0603121a0538 40 }
nki 49:0603121a0538 41
nki 49:0603121a0538 42 */
nki 36:11766b5da6ed 43
nki 36:11766b5da6ed 44 dbg_loop_d = vd;
nki 36:11766b5da6ed 45 dbg_loop_q = vq;
nki 36:11766b5da6ed 46
nki 34:bfe180de813a 47 InverseParke(vd, vq, angle, &valpha, &vbeta);
nki 27:846c08fb3697 48
nki 34:bfe180de813a 49 dbg_valpha = valpha;
nki 34:bfe180de813a 50 dbg_vbeta = vbeta;
bwang 11:dccbaa9274c5 51
bwang 11:dccbaa9274c5 52 c->modulator->Update(valpha, vbeta);
bwang 11:dccbaa9274c5 53 }
bwang 11:dccbaa9274c5 54
bwang 11:dccbaa9274c5 55 void slow(Context *c) {
bwang 11:dccbaa9274c5 56 c->user->UpdateThrottle();
nki 36:11766b5da6ed 57 //c->user->throttle = c->filter_th->Update(c->user->throttle);
bwang 11:dccbaa9274c5 58 }
bwang 11:dccbaa9274c5 59
bwang 11:dccbaa9274c5 60 void debug(Context *c) {
nki 37:09373294ff22 61 //c->serial->printf("%f %f %f %f %f %f\n\r", dbg_d_filtered, dbg_q_filtered, dbg_ref_d, dbg_ref_q, dbg_loop_d, dbg_loop_q);
nki 36:11766b5da6ed 62 //c->serial->printf("%f\n\r", dbg_angle);
nki 49:0603121a0538 63 //c->serial->printf("%f\n\r", c->user->throttle);
nki 49:0603121a0538 64 c->serial->printf("%f %f\n\r", dbg_ib, dbg_ic);
bwang 24:f1ff9c7256b5 65 }
bwang 24:f1ff9c7256b5 66
bwang 24:f1ff9c7256b5 67 void log(Context *c) {
nki 49:0603121a0538 68 //c->debugger->Write(0, dbg_angle);
bwang 38:232c51b6853f 69 //c->debugger->Write(1, dbg_q_filtered);
bwang 11:dccbaa9274c5 70 }