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Embedded Software and Motor Control Libraries for PXR40xx

Embedded Software and Motor Control Libraries for PXR40xx

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6.49.1 Description<br />

Structure containing parameters <strong>and</strong> states of the recurrent <strong>for</strong>m PI controller with antiwindup.<br />

6.49.2 Compound Type Members<br />

Table 6-50. GFLIB_CONTROLLER_PIAW_R_T_F16 members<br />

description<br />

Type Name Description<br />

tFrac16 f16CC1sc CC1 coefficient, fractional <strong>for</strong>mat normalized<br />

to fit into (-2 15 , 2 15 -1).<br />

tFrac16 f16CC2sc CC2 coefficient, fractional <strong>for</strong>mat normalized<br />

to fit into (-2 15 , 2 15 -1).<br />

tFrac32 f32Acc Internal controller accumulator.<br />

tFrac16 f16InErrK1 <strong>Control</strong>ler input from the previous calculation<br />

step.<br />

tFrac16 f16UpperLimit Upper Limit of the controller, fractional <strong>for</strong>mat<br />

normalized to fit into (-2 15 , 2 15 -1).<br />

tFrac16 f16LowerLimit Lower Limit of the controller, fractional <strong>for</strong>mat<br />

normalized to fit into (-2 15 , 2 15 -1).<br />

tU16 u16NShift Scaling factor <strong>for</strong> the controller coefficients,<br />

integer <strong>for</strong>mat [0, 15].<br />

6.50 GFLIB_CONTROLLER_PIAW_R_T_F32<br />

#include <br />

6.50.1 Description<br />

Chapter 6 Compound Data Types<br />

Structure containing parameters <strong>and</strong> states of the recurrent <strong>for</strong>m PI controller with antiwindup.<br />

<strong>Embedded</strong> <strong>Software</strong> <strong>and</strong> <strong>Motor</strong> <strong>Control</strong> <strong>Libraries</strong> <strong>for</strong> <strong>PXR40xx</strong>, Rev. 1.0<br />

Freescale Semiconductor, Inc. 719

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