TorqueReasonableDiagnostics

Module – Torque Reasonable Diagnostics

High-Level Description

The Torque Reasonableness Diagnostic compares the commanded electromagnetic motor torque (calculated from the commanded Iq and Id currents) to the measured electromagnetic torque (calculated from the measured Iq and Id currents) and sets a diagnostic flag when the error is outside of calibration boundaries for calibration time periods. This diagnostic is intended to trip due to a variety of possible errors within the closed loop control of the motor control, including but not exclusive to certain current measurement errors and output drive errors.

Figures

Component Diagram

Variable Data Dictionary

For details on module input / output variable, refer to the Data Dictionary for the application. Input / output variable names are listed here for reference.

Module Internal Variables

This section identifies the name, range and resolutions for module specific data created by this module. If there are no range restrictions on the variable, the term “FULL” is placed into the table for legal range.

User defined typedef definition/declaration

This section documents any user types uniquely used for the module.

Constant Data Dictionary

Calibration Constants

This section lists the calibrations used by the module. For details on calibration constants, refer to the Data Dictionary for the application.

Program(fixed) Constants

Embedded Constants

All embedded constants whose values are provided in Eng units will be evaluated to the equivalent counts by using the FPM_InitFixedPoint_m() macro within the #define statement.

Local

Global

This section lists the global constants used by the module. For details on global constants, refer to the Data Dictionary for the application.

Module specific Lookup Tables Constants

Functions/Macros used by the Sub-Modules

Library Functions / Macros

The library and functions / Macros that are called by the various sub modules are identified below,

1. Min_m

2. Abs_f32_m

3. Limit_m

4. LPF32KSV_Str

5. DiagSettings_Str

6. LPF_OpUpdate_f32_m

7. LPF_Init_f32_m

8. DiagNStep_m

9. DiagPStep_m

10. DiagFailed_m

Data Hiding Functions

1. Rte_Call_NxtrDiagMgr_SetNTCStatus

Global Functions/Macros Defined by this Module

Global Function #1

None

Local Functions/Macros Used by this MDD only

Local Function #1

Description

Software Module Implementation

Runtime Environment (RTE) Initial Values

This section lists the initial values of data written by this module but controlled by the RTE. After RTE initialization, the data in this table will contain these values.

Initialization Functions

Init: TqRsDg_Init1 _Init

Design Rationale

None

Module Outputs

Module Internal

None

Processing of function

Periodic Functions

Per: TrRsDg_Per1

Design Rationale

None

Program Flow Start

Rte_Call_TqRsDg_Per1_CP0_CheckpointReached();

Store Module Inputs to Local copies

DervLambdaAlphaDiag_Volt_T_f32 = Rte_IRead_TqRsDg_Per1_DervLambdaAlphaDiag_Volt_f32();

DervLambdaBetaDiag_Volt_T_f32 = Rte_IRead_TqRsDg_Per1_DervLambdaBetaDiag_Volt_f32();

OutputRampMult_Uls_T_f32 = Rte_IRead_TqRsDg_Per1_OutputRampMult_Uls_f32();

TrqLimitMin_MtrNm_T_f32 = Rte_IRead_TqRsDg_Per1_TrqLimitMin_MtrNm_f32();

Processing of function

Store Local copy of outputs into Module Outputs

ModulationIndex_Uls_M_f32 = ModulationIndex_Uls_T_f32

Program Flow End

Rte_Call_TqRsDg_Per1_CP1_CheckpointReached()

Fault Recovery Functions

None

Shutdown Functions

None

Interrupt Functions

None

Serial Communication Functions

SCom: ModuleName_SCom

Design Rationale

None

Program Flow Start

N/A

Store Module Inputs to Local copies

None

Processing of function

Store Local copy of outputs into Module Outputs

None

Program Flow End

N/A

Execution Requirements

Execution Sequence of the Module

Execution Rates for sub-modules called by the Scheduler

This table serves as reference for the Scheduler design

Execution Requirements for Serial Communication Functions

Memory Map Definition Requirements

Sub Modules (Functions)

This table identifies the software segments for functions identified in this module.

Local Functions

This table identifies the software segments for local functions identified in this module.

Known Issues / Limitations With Design

1. INLINE functions defined in GlobalMacro.h are not unit tested.

Revision Control Log