MotVelCtrl_MDD

Module Design Document

For

MotVelCtrl

May 4, 2016

Prepared For:

Software Engineering

Nexteer Automotive,

Saginaw, MI, USA

Prepared By:

Nick Saxton,

Nexteer Automotive,

Saginaw, MI, USA
Change History

DescriptionAuthorVersionDate
Initial VersionSankardu Varadapureddi117-Feb-2016
Input name changeNick Saxton204-May-2016


Table of Contents

1 Introduction 5

1.1 Purpose 5

1.2 Scope 5

2 MotVelCtrl High-Level Description 6

3 Design details of software module 7

3.1 Graphical representation of MotVelCtrl 7

3.2 Data Flow Diagram 7

3.2.1 Component level DFD 7

3.2.2 Function level DFD 7

4 Constant Data Dictionary 8

4.1 Program (fixed) Constants 8

4.1.1 Embedded Constants 8

5 Software Component Implementation 9

5.1 Sub-Module Functions 9

5.1.1 Init: MotVelCtrlInit1 9

5.1.1.1 Design Rationale 9

5.1.1.2 Module Outputs 9

5.1.2 Per: MotVelCtrlPer1 9

5.1.2.1 Design Rationale 9

5.1.2.2 Store Module Inputs to Local copies 9

5.1.2.3 (Processing of function)……… 9

5.1.2.4 Store Local copy of outputs into Module Outputs 9

5.2 Server Runables 9

5.2.1 GetCtrlPrm_Oper 9

5.2.1.1 Design Rationale 9

5.2.1.2 (Processing of function)……… 9

5.2.2 SetCtrlPrm_Oper 9

5.2.2.1 Design Rationale 9

5.2.2.2 (Processing of function)……… 9

5.2.3 StopCtrl_Oper 10

5.2.3.1 Design Rationale 10

5.2.3.2 (Processing of function)……… 10

5.2.4 StrtCtrl_Oper 10

5.2.4.1 Design Rationale 10

5.2.4.2 (Processing of function)……… 10

5.3 Interrupt Functions 10

5.4 Module Internal (Local) Functions 10

5.4.1 Local Function #1 10

5.4.1.1 Description 10

5.5 GLOBAL Function/Macro Definitions 11

6 Known Limitations with Design 12

7 UNIT TEST CONSIDERATION 13

Appendix A Abbreviations and Acronyms 14

Appendix B Glossary 15

Appendix C References 16

Introduction

Purpose

Scope

MotVelCtrl High-Level Description

Refer to FDD

Design details of software module

Graphical representation of MotVelCtrl

Data Flow Diagram

Refer FDD

Component level DFD

Function level DFD

Constant Data Dictionary

Program (fixed) Constants

Embedded Constants

Constant NameResolutionUnitsValue
ONEOVERTWOMPLR_ULS_F321Cnt0.5

For other constants, refer .m file.

Local Constants

Software Component Implementation

Sub-Module Functions

Init: MotVelCtrlInit1

Design Rationale

Refer FDD

Module Outputs

Refer FDD

Per: MotVelCtrlPer1

Design Rationale

Refer FDD

Store Module Inputs to Local copies

Refer FDD

(Processing of function)………

Refer FDD

Store Local copy of outputs into Module Outputs

Refer FDD

Server Runables

GetCtrlPrm_Oper

Design Rationale

Refer FDD

(Processing of function)………

Refer FDD

SetCtrlPrm_Oper

Design Rationale

Refer FDD

(Processing of function)………

Refer FDD

StopCtrl_Oper

Design Rationale

Refer FDD

(Processing of function)………

Refer FDD

StrtCtrl_Oper

Design Rationale

Refer FDD

(Processing of function)………

Refer FDD

Interrupt Functions

None

Module Internal (Local) Functions

Local Function #1

Function NameFPIDControlTypeMinMax
Arguments PassedMotVelTarSlewed_MotRadPerSec_T_f32float32- 183500183500
MotVelCrf_MotRadPerSec_T_f32float32-13501350
Return ValuePIDCmdLimid_MotNwtMtr_T_f32float32-8.88.8

Description

Blocks "F_PID Control_1" , "F_PID Control_2" and "F_PID Control_3" are of same functionality in the FDD. This sub function corresponds to those blocks implementation.

GLOBAL Function/Macro Definitions

None

Known Limitations with Design

None.

UNIT TEST CONSIDERATION

None

Abbreviations and Acronyms

Abbreviation or AcronymDescription

Glossary

Note: Terms and definitions from the source “Nexteer Automotive” take precedence over all other definitions of the same term. Terms and definitions from the source “Nexteer Automotive” are formulated from multiple sources, including the following:

  • ISO 9000

  • ISO/IEC 12207

  • ISO/IEC 15504

  • Automotive SPICE® Process Reference Model (PRM)

  • Automotive SPICE® Process Assessment Model (PAM)

  • ISO/IEC 15288

  • ISO 26262

  • IEEE Standards

  • SWEBOK

  • PMBOK

  • Existing Nexteer Automotive documentation

TermDefinitionSource
MDDModule Design Document
DFDData Flow Diagram

References

Ref. #TitleVersion
1AUTOSAR Specification of Memory Mapping (Link:AUTOSAR_SWS_MemoryMapping.pdf)v1.3.0 R4.0 Rev 2
2MDD GuidelineEA4 01.00.01
3Software Naming Conventions.doc2.0
4Software Design and Coding Standards.doc2.1
5FDD : NM100A_ MotVelCtrl_DesignSee Synergy sub project version
Last modified October 12, 2025: Initial commit (1fadfc4)