diff --git a/industry/foc/fixed16/foc_ident.c b/industry/foc/fixed16/foc_ident.c index be9d4eaef..28433e538 100644 --- a/industry/foc/fixed16/foc_ident.c +++ b/industry/foc/fixed16/foc_ident.c @@ -66,6 +66,17 @@ struct foc_ident_b16_s pid_controller_b16_t pi; /* PI controller for res */ int cntr; /* Helper counter */ int stage; /* Ident stage */ + + /* global data in resistance identification */ + + b16_t curr_sum; + b16_t volt_sum; + + /* global data in inductance identification */ + + b16_t sign; + b16_t curr1_sum; + b16_t curr2_sum; }; /**************************************************************************** @@ -193,12 +204,21 @@ int foc_ident_res_run_b16(FAR struct foc_ident_b16_s *ident, /* Increase counter */ ident->cntr += 1; - + if (ident->cntr > (ident->cfg.res_steps / 3)) + { + ident->volt_sum += vector2d_mag_b16(in->foc_state->vdq.q, + in->foc_state->vdq.d); + ident->curr_sum += vector2d_mag_b16(in->foc_state->idq.q, + in->foc_state->idq.d); + } if (ident->cntr > ident->cfg.res_steps) { /* Get resistance */ - ident->final.res = b16divb16(vref, ident->cfg.res_current); + ident->final.res = b16divb16(b16mulb16( + ftob16(2.0f / 3.0f), + ident->volt_sum), + ident->curr_sum); /* Force IDLE state */ @@ -216,6 +236,11 @@ int foc_ident_res_run_b16(FAR struct foc_ident_b16_s *ident, /* Reset counter */ ident->cntr = 0; + + /* Reset static curr_sum and volt_sum */ + + ident->curr_sum = 0; + ident->volt_sum = 0; } return ret; @@ -243,9 +268,6 @@ int foc_ident_ind_run_b16(FAR struct foc_ident_b16_s *ident, b16_t curr1_avg = 0; b16_t curr2_avg = 0; b16_t delta_curr = 0; - static b16_t sign = b16ONE; - static b16_t curr1_sum = 0; - static b16_t curr2_sum = 0; b16_t tmp1 = 0; b16_t tmp2 = 0; b16_t tmp3 = 0; @@ -254,23 +276,23 @@ int foc_ident_ind_run_b16(FAR struct foc_ident_b16_s *ident, * if previous sing was +1 then we have bottom current. */ - if (sign > 0) + if (ident->sign > 0) { /* Average bottm current */ - curr1_sum += in->foc_state->idq.d; + ident->curr1_sum += in->foc_state->idq.d; } else { /* Average top current */ - curr2_sum += in->foc_state->idq.d; + ident->curr2_sum += in->foc_state->idq.d; } /* Invert voltage to generate square wave D voltage */ - sign = -sign; - vref = b16mulb16(sign, ident->cfg.ind_volt); + ident->sign = -ident->sign; + vref = b16mulb16(ident->sign, ident->cfg.ind_volt); /* Force alpha voltage = vref */ @@ -289,8 +311,8 @@ int foc_ident_ind_run_b16(FAR struct foc_ident_b16_s *ident, { /* Half samples from curr1, other half from curr2 */ - tmp1 = b16muli(curr1_sum, 2); - tmp2 = b16muli(curr2_sum, 2); + tmp1 = b16muli(ident->curr1_sum, 2); + tmp2 = b16muli(ident->curr2_sum, 2); curr1_avg = b16divb16(tmp1, ident->cntr); curr2_avg = b16divb16(tmp2, ident->cntr); @@ -330,9 +352,9 @@ int foc_ident_ind_run_b16(FAR struct foc_ident_b16_s *ident, /* Reset static data */ - sign = b16ONE; - curr1_sum = 0; - curr2_sum = 0; + ident->sign = b16ONE; + ident->curr1_sum = 0; + ident->curr2_sum = 0; } return ret; @@ -351,7 +373,8 @@ int foc_ident_ind_run_b16(FAR struct foc_ident_b16_s *ident, int foc_routine_ident_init_b16(FAR foc_routine_b16_t *r) { - int ret = OK; + FAR struct foc_ident_b16_s *i = NULL; + int ret = OK; DEBUGASSERT(r); @@ -364,6 +387,9 @@ int foc_routine_ident_init_b16(FAR foc_routine_b16_t *r) goto errout; } + i = r->data; + i->sign = b16ONE; + errout: return ret; } @@ -566,6 +592,7 @@ int foc_routine_ident_run_b16(FAR foc_routine_b16_t *r, case FOC_IDENT_RUN_DONE: { ret = FOC_ROUTINE_RUN_DONE; + i->stage = FOC_IDENT_RUN_INIT; break; } diff --git a/industry/foc/float/foc_ident.c b/industry/foc/float/foc_ident.c index 4a04c74d3..53f5b7b06 100644 --- a/industry/foc/float/foc_ident.c +++ b/industry/foc/float/foc_ident.c @@ -81,6 +81,7 @@ struct foc_ident_f32_s float sign; float curr1_sum; float curr2_sum; + #ifdef CONFIG_INDUSTRY_FOC_IDENT_FLUX /* global data in flux linkage identification */