Introduction

Here is the list of motor transformation function APIs

Files
file	clarke.h
	Contains abc to alpha/beta/0 transform implementation.

file	park.h
	Contains alpha/beta/0 to d/q/0 transform implementation.

file	ipark.h
	Contains d/q/0 to alpha/beta/0 transform implementation.

file	svgen.h
	Contains svpwm generation implementation.

Functions
static void	CLARKE_run_threeInput (const float32_t inIa, const float32_t inIb, const float32_t inIc, float32_t pIalpha, float32_t pIbeta)
	Runs the Clarke transform module for three inputs. More...

static void	CLARKE_run_twoInput (const float32_t inIa, const float32_t inIb, float32_t pIalpha, float32_t pIbeta)
	Runs the Clarke transform module for two inputs. More...

static void	PARK_run (const float32_t sinTh, const float32_t cosTh, const float32_t inIalpha, const float32_t inIbeta, float32_t pId, float32_t pIq)
	Runs the Park transform module. More...

static void	IPARK_run (const float32_t sinTh, const float32_t cosTh, const float32_t inVd, const float32_t inVq, float32_t pValpha, float32_t pVbeta)
	Runs the inverse Park transform module. More...

static void	SVGEN_runCom (const float32_t oneOverDcBus_invV, const float32_t inValpha, const float32_t inVbeta, float32_t pVa, float32_t pVb, float32_t *pVc)
	Implements a SVM that subtracts common-mode term to achieve SV modulation. More...

static void	SVGEN_runMax (const float32_t oneOverDcBus_invV, const float32_t inValpha, const float32_t inVbeta, float32_t pVa, float32_t pVb, float32_t *pVc)
	Implements a DPWM that uses maximum modulation. More...

static void	SVGEN_runMin (const float32_t oneOverDcBus_invV, const float32_t inValpha, const float32_t inVbeta, float32_t pVa, float32_t pVb, float32_t *pVc)
	Implements a DPWM that uses minimum modulation. More...

static void	SVGEN_clamp (const float32_t Umax, const float32_t Umin, float32_t pVa, float32_t pVb, float32_t *pVc)
	Saturates the SVM variable base on modulation limits. More...

Typedefs
typedef float	float32_t

typedef float	float32_t

typedef float	float32_t

typedef float	float32_t

Macros
#define	ONE_OVER_THREE 0.33333333333333f

#define	ONE_OVER_SQRT_THREE 0.57735026918963f

#define	SQRT_THREE_OVER_TWO 0.8660254037844f

#define	TWO_OVER_SQRT_THREE 1.15470053837926f

Macro Definition Documentation

◆ ONE_OVER_THREE

#define ONE_OVER_THREE 0.33333333333333f

◆ ONE_OVER_SQRT_THREE

#define ONE_OVER_SQRT_THREE 0.57735026918963f

◆ SQRT_THREE_OVER_TWO

#define SQRT_THREE_OVER_TWO 0.8660254037844f

◆ TWO_OVER_SQRT_THREE

#define TWO_OVER_SQRT_THREE 1.15470053837926f

Typedef Documentation

◆ float32_t [1/4]

typedef float float32_t

◆ float32_t [2/4]

typedef float float32_t

◆ float32_t [3/4]

typedef float float32_t

◆ float32_t [4/4]

typedef float float32_t

Function Documentation

◆ CLARKE_run_threeInput()

static void CLARKE_run_threeInput	(	const float32_t	inIa,
		const float32_t	inIb,
		const float32_t	inIc,
		float32_t *	pIalpha,
		float32_t *	pIbeta
	)

static

Runs the Clarke transform module for three inputs.

Parameters

[in]	inIa	Input current value in a-axis
[in]	inIb	Input current value in b-axis
[in]	inIc	Input current value in c-axis
[in]	pIalpha	Output pointer to current value in alpha-axis
[in]	pIbeta	Output pointer to current value in beta-axis

◆ CLARKE_run_twoInput()

static void CLARKE_run_twoInput	(	const float32_t	inIa,
		const float32_t	inIb,
		float32_t *	pIalpha,
		float32_t *	pIbeta
	)

static

Runs the Clarke transform module for two inputs.

Parameters

[in]	inIa	Input current value in a-axis
[in]	inIb	Input current value in b-axis
[in]	pIalpha	Output pointer to current value in alpha-axis
[in]	pIbeta	Output pointer to current value in beta-axis

◆ PARK_run()

static void PARK_run	(	const float32_t	sinTh,
		const float32_t	cosTh,
		const float32_t	inIalpha,
		const float32_t	inIbeta,
		float32_t *	pId,
		float32_t *	pIq
	)

static

Runs the Park transform module.

Parameters

[in]	sinTh	Sine value in radians
[in]	cosTh	Cosine value in radians
[in]	inIalpha	Input current value in alpha-axis
[in]	inIbeta	Input current value in beta-axis
[in]	pId	Output pointer to voltage value in d-axis
[in]	pIq	Output pointer to voltage value in q-axis

◆ IPARK_run()

static void IPARK_run	(	const float32_t	sinTh,
		const float32_t	cosTh,
		const float32_t	inVd,
		const float32_t	inVq,
		float32_t *	pValpha,
		float32_t *	pVbeta
	)

static

Runs the inverse Park transform module.

Parameters

[in]	sinTh	Sine value in radian
[in]	cosTh	Cosine value in radian
[in]	inVd	Input voltage value in d-axis
[in]	inVq	Input voltage value in q-axis
[in]	pValpha	Output pointer to voltage value in alpha-axis
[in]	pVbeta	Output pointer to voltage value in beta-axis

◆ SVGEN_runCom()

static void SVGEN_runCom	(	const float32_t	oneOverDcBus_invV,
		const float32_t	inValpha,
		const float32_t	inVbeta,
		float32_t *	pVa,
		float32_t *	pVb,
		float32_t *	pVc
	)

static

Implements a SVM that subtracts common-mode term to achieve SV modulation.

Parameters

[in]	oneOverDcBus_invV	The inverse dc bus voltage scale factor, used to convert inputs to pu, use 1 if units are already in pu.
[in]	inValpha	Input voltage value in alpha-axis, V or pu
[in]	inVbeta	Input voltage value in beta-axis, V or pu
[in]	pVa	Output pointer to voltage value in a-axis, pu
[in]	pVb	Output pointer to voltage value in b-axis, pu
[in]	pVc	Output pointer to voltage value in c-axis, pu

◆ SVGEN_runMax()

static void SVGEN_runMax	(	const float32_t	oneOverDcBus_invV,
		const float32_t	inValpha,
		const float32_t	inVbeta,
		float32_t *	pVa,
		float32_t *	pVb,
		float32_t *	pVc
	)

static

Implements a DPWM that uses maximum modulation.

Parameters

[in]	oneOverDcBus_invV	The inverse dc bus voltage scale factor, used to convert inputs to pu, use 1 if units are already in pu.
[in]	inValpha	Input voltage value in alpha-axis, V or pu
[in]	inVbeta	Input voltage value in beta-axis, V or pu
[in]	pVa	Output pointer to voltage value in a-axis, pu
[in]	pVb	Output pointer to voltage value in b-axis, pu
[in]	pVc	Output pointer to voltage value in c-axis, pu

◆ SVGEN_runMin()

static void SVGEN_runMin	(	const float32_t	oneOverDcBus_invV,
		const float32_t	inValpha,
		const float32_t	inVbeta,
		float32_t *	pVa,
		float32_t *	pVb,
		float32_t *	pVc
	)

static

Implements a DPWM that uses minimum modulation.

Parameters

[in]	oneOverDcBus_invV	The inverse dc bus voltage scale factor, used to convert inputs to pu, use 1 if units are already in pu.
[in]	inValpha	Input voltage value in alpha-axis, V or pu
[in]	inVbeta	Input voltage value in beta-axis, V or pu
[in]	pVa	Output pointer to voltage value in a-axis, pu
[in]	pVb	Output pointer to voltage value in b-axis, pu
[in]	pVc	Output pointer to voltage value in c-axis, pu

◆ SVGEN_clamp()

static void SVGEN_clamp	(	const float32_t	Umax,
		const float32_t	Umin,
		float32_t *	pVa,
		float32_t *	pVb,
		float32_t *	pVc
	)

static

Saturates the SVM variable base on modulation limits.

Parameters

[in]	Umax	Maximum modulation limit
[in]	Umin	Minimum modulation limit
[in]	pVa	pointer to voltage value in a-axis
[in]	pVb	pointer to voltage value in b-axis
[in]	pVc	pointer to voltage value in c-axis

Introduction

Files

Functions

Typedefs

Macros

Macro Definition Documentation

◆ ONE_OVER_THREE

◆ ONE_OVER_SQRT_THREE

◆ SQRT_THREE_OVER_TWO

◆ TWO_OVER_SQRT_THREE

Typedef Documentation

◆ float32_t [1/4]

◆ float32_t [2/4]

◆ float32_t [3/4]

◆ float32_t [4/4]

Function Documentation

◆ CLARKE_run_threeInput()

◆ CLARKE_run_twoInput()

◆ PARK_run()

◆ IPARK_run()

◆ SVGEN_runCom()

◆ SVGEN_runMax()

◆ SVGEN_runMin()

◆ SVGEN_clamp()