mcpwm_foc_svpwm_open_loop sample
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Outline
#include <math.h>
#define GLOBAL_IQ
#include "IQmathLib.h"
foc_uvw_coord
foc_ab_coord
foc_dq_coord
foc_clarke_transform(const foc_uvw_coord_t *, foc_ab_coord_t *);
foc_inverse_clarke_transform(const foc_ab_coord_t *, foc_uvw_coord_t *);
foc_park_transform(_iq, const foc_ab_coord_t *, foc_dq_coord_t *);
foc_inverse_park_transform(_iq, const foc_dq_coord_t *, foc_ab_coord_t *);
foc_svpwm_duty_calculate(const foc_ab_coord_t *, foc_uvw_coord_t *);
Files
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SourceVuESP-IDF Framework and Examplesmcpwm_foc_svpwm_open_loop samplemain/foc/esp_foc.h
 
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/* * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 *//* ... */ #include <math.h> // Use IQ18 type, range [-8,192 8,191.999 996 185] // This definition should be added before including "IQmathLib.h" #define GLOBAL_IQ 18 #include "IQmathLib.h" // 3-phase uvw coord data type typedef struct foc_uvw_coord { _iq u; // U phase data in IQ type _iq v; // V phase data in IQ type _iq w; // W phase data in IQ type }{ ... } foc_uvw_coord_t; // alpha-beta axis static coord data type typedef struct foc_ab_coord { _iq alpha; // alpha axis data in IQ type _iq beta; // beta axis data in IQ type }{ ... } foc_ab_coord_t; //d-q (direct-quadrature) axis rotate coord data type typedef struct foc_dq_coord { _iq d; // direct axis data in IQ type _iq q; // quadrature axis data in IQ type }{ ... } foc_dq_coord_t; /** * @brief clark transform, to transform value in 3phase uvw system to static alpha_beta system * * @param[in] v_uvw data in 3-phase coord to be transformed * @param[out] v_ab output data in alpha-beta coord *//* ... */ void foc_clarke_transform(const foc_uvw_coord_t *v_uvw, foc_ab_coord_t *v_ab); /** * @brief inverse clark transform, to transform value in alpha_beta system to 3phase uvw system * * @param[in] v_ab data in alpha-beta coord to be transformed * @param[out] v_uvw output data in 3-phase coord *//* ... */ void foc_inverse_clarke_transform(const foc_ab_coord_t *v_ab, foc_uvw_coord_t *v_uvw); /** * @brief park transform, to transform value in static alpha_beta system to rotate d-q system * * @param[in] theta_rad theta of dq_coord refer to alpha-beta coord, in rad * @param[in] v_ab data in alpha-beta coord to be transformed * @param[out] v_dq output data in dq coord *//* ... */ void foc_park_transform(_iq theta_rad, const foc_ab_coord_t *v_ab, foc_dq_coord_t *v_dq); /** * @brief inverse park transform, to transform value in rotate d-q system to alpha_beta system * * @param[in] theta_rad theta of dq_coord refer to alpha-beta coord, in rad * @param[in] v_dq data in dq coord to be transformed * @param[out] v_ab output data in alpha-beta coord *//* ... */ void foc_inverse_park_transform(_iq theta_rad, const foc_dq_coord_t *v_dq, foc_ab_coord_t *v_ab); /** * @brief 7-segment svpwm modulation * * @param v_ab[in] input value in alpha-beta coord * @param out_uvw[out] output modulated pwm duty in IQ type *//* ... */ void foc_svpwm_duty_calculate(const foc_ab_coord_t *v_ab, foc_uvw_coord_t *out_uvw);
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