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 Validation Plan

<insert project name>


Document Control Information

Location: The version of this document is maintained in folder <fill in folder location>

Revision History

Table 1 : Version History

Version

Date of Release

Description

(Change and Reasons for Change)

Prepared by

Reviewed by

Approved by






































Table of Contents

Contents

Document Control Information

Table of Contents

List of Figures

List of Tables

1Introduction

1.1Purpose

1.2Scope

1.3Definitions, Acronyms, and Abbreviations

2Inputs and Output

2.1Prerequisition

2.2Further supporting Information

2.3Outputs

3Safety Strategy and Processes

3.1Overview

3.2Validation Test objectives

3.3Safety Validation (Item development life cycle)

3.4Validation Processes

3.5Safety Organization and R&R

3.6Regression strategy

4Item Description

4.1Item overview

4.1.1System Component

4.2Configuration

4.3Calibration

5Project Development and Validation schedule

5.1Validation Test Plan

5.1.1HARA Controllability Validation

5.1.2Safety Goal Validation

5.1.3Long-term test

5.2Test Methods information

5.3Validation method for safety goal

6Test Case and Acceptance Criteria

7References


List of Figures

Figure 1 :



List of Tables


1 Introduction

1.1 Purpose

Validation Plan is planning document which plans validation performance for integrated item at Vehicle level. After HW, SW development, the hardware and software elements are integrated and tested to form an item that is then integrated into a vehicle. Once integrated at the vehicle level, safety validation is performed to provide evidence of functional safety with respect to the safety goals.

Therefore the Validation Plan describes all validation activities which shall be carried out for this IWV project. It is fully compliant to the requirements of ISO 26262 Part4 paragraph 5.4.2, 6.4.6 and 9.4.2.

The objective of Safety Validation is described in ISO 26262.

The first objective is to provide evidence of compliance with the safety goals and that the functional safety concepts are appropriate for the functional safety of the item.

The second objective is to provide evidence that the safety goals are correct, complete and fully achieved at the vehicle level.

1.2 Scope

This plan is useful for validation activities which should be performed at vehicle level by IWV Development Project.

This document describes the following information for IWV validation:

Ythe configuration of the item subjected to validation

Ythe calibration of the item subjected to validation

YValidation procedures

Ytest cases

Ydriving maneuvers

Yacceptance criteria

Ythe equipment and required environmental conditions.


1.3 Definitions, Acronyms, and Abbreviations

All terms, acronyms and abbreviations which are required to correctly interpret this document are listed as follows.

Table 2 : Terms

Term

Description

Integrity

The name of tool which   is used for requirements management   and

configuration management system in <company name>

Hazard Analysis &

Risk Assessment (HARA)

HARA is to identify and to categorize the hazards that malfunctions in

the item can trigger and to formulate the safety goals related to the prevention or mitigation of the hazardous events, in order to avoid unreasonable risk.









Table 3 : Acronyms & Abbreviations

Acronym

Description

VCU

Vehicle control unit

IWV

In-wheel VCU

CAN

Controller Area Network

ISO

International Standard Organization

NA

Not Applicable

SAS

Steering angle sensor

YRS

Yaw rate sensor

APS

Accelerator position sensor

BPS

Brake position sensor

BMS

Battery management system


BCM

Body control module

ESC

Electronic stability control

SB

Smart Booster

FL

Front left

FR

Front right

RL

Rear left

RR

Rear right

WSS

Wheel speed sensor

ADC

Analog digital converter

SOC

State of charge

Temp.

Temperature

Regen.

Regeneration

torq

Torque












2 Inputs and Output

2.1 Prerequisition

The following information shall be available.

- Safety Plan

- Item Definition

- Hazard Analysis & Risk Assessment

- Safety Goal

- Functional Safety Concept

- Validation plan (refined)

2.2 Further supporting Information

The following information may be considered

- Project plan

- Technical Safety Concept

- Functional Concept (from external source)

- Item Integration and Testing Plan

- Safety Analysis Reports

2.3 Outputs

The following is the deliverable from this phase

- Validation Report


3 Safety Strategy and Processes

3.1 Overview

The Validation Plan is a requirement of the Automotive Functional Safety Standard ISO 26262.

Internal and external safety inspectors may use this System Validation Plan as the basis for assessing how and to what extent safety-related issues have been addressed and treated during development of a safety critical system in the automotive domain.

3.2 Validation Test objectives

Validation plan must satisfy the following requirements:

- The safety activities for the product development at the system level shall be planed including determination of appropriate methods and measures during design and integration (5.4.1)

- The validation activities shall be planned (5.4.2)

3.3 Safety Validation (Item development life cycle)

Following figure shows that when it must be performed according to safety activity cycle for Safety Validation. Timing for performing according to safety activity cycle for Safety Validation is shown in figure 4-3.


 Figure 1 : Reference phase of Safety Validation

3.4 Validation Processes

The safety goals of the item shall be validated at the vehicle level by evaluating the controllability, effectiveness of safety measures, external measures and other technologies.

And the results of the validation shall be evaluated. Validation process is like below.


Validation Start

Prepare

Test Vehicle, FIT tool, Data Acquisition Sys.



 Safety Goal Validation


- Operating scenario

- Intended use

- Foreseeable misuse

- Safety Measure

- External Measure

- Other Technology

- Positive test of Function

- Fault Injection Test

- Simulation

- Fleet Test

- User test under real-life condition


Result Evaluation

Validation Report

 Figure 2 : Validation Process


3.5 Regression strategy

Regression test shall be required the quality and performance improvement in case of vehicle

structure, mounting position and vehicle communication load changes.

Table 5 : Regression strategy

Test

Condition

Remark

Long term Test

Proto phase one time

-

Fault Injection Test

P1 phase one time

-



-



-



-





4 Item Description

4.1 Item overview

4.1.1 System Component

Figure 3 : Sketch of <fill in system name>

4.1.2 Safety Goal of <fill in system name>

The safety goals for validation test are listed in the following table. SPF shall be documented by reference of FMEA, FTA analysis report.

ID

Safety Goal

Hazard(s) mitigated

ASIL

Safe State, FTTI

IWV_SG01

 The IWV shall not command unintended driving torque

IWV_H1.1 IWV_H1.2 IWV_H1.3

D

The IWV shall

not command driving torque 100ms

Table 6 Safety goal of <fill in system name>


4.2 Configuration

Validation tester shall check configuration of IWV through scanning tool before testing

Table 6 Configuration Data

Config-ID

Region

Power train

Brake

Steering

..















..






4.3 Calibration

For domestic market, IWV shall use calibration data for domestic market; IWV shall use calibration data for EU and general market because the structure of vehicle is different according to market. Therefore validation tester shall check calibration ID through scanning tool before testing.

Table 7 Calibration Data

Cal ID

Related

Configuration

Calibration value

Value1

Value2

Value3





Cal-DM-1

Conf-DM-1

TBD

TBD

TBD

..




..










5 Project Development and Validation schedule

5.1 Validation Test Plan

 Validation test item and schedule shall be prepared base on above the document. Specific test case of validation in each stage shall be specified in 7. Test Case Clause.

Test level

Test methods

~

0

+1

+2

+3

+4

+5

+6

+7

+8

+9

+10

+11

+12

+13

+14

+15

+16

Test engineer


M0


ALL









M/CAR

P1



P2



Integration test


Validation test








Vehicle validation

HARA C



















FTTI




















SG Validation




















Long term














































































 Figure 5 : Validation Test schedule

5.1.1 HARA Controllability Validation

In case of HARA performance, Severity, Exposure, Controllability shall be driven by stated critera and other brain-storming on criteria. At this time, high ASIL C,D to allocate for Controllability rating shall be needed to verify the rating validity through vehicle test. The validation test such as this Controllability shall be performed in the initial development, detail content and test case shall be specified in 7. Test case clause.

Description of the performance period of Controllability validation test


5.1.2 Safety Goal Validation

The final goal of validation is to verify that safety goal shall be accurately implemented at the vehicle level. The evaluation period is (TBD).

Test case shall be completed and sample shall be prepared until (TBD).

5.1.3 Long-term test

The durability test of Safety Goal shall be verified through long-term test. The implementation period is (TBD).


5.2 Test Methods information

Table 8 : Information related with Validation test

Validation test

Test method

Test environment

Test Equipment

Driving Maneuver

Environmental condition

Controllability

confirmation test

FIT

Proving Ground

Summer/Winter Item integrated in vehicle

DAQ

Breakout Box

Straight

Lane change Circle

Hi/Mid/Low

temp Hi/Low mu

FTTI

confirmation test






Safety goal

validation test






Long-term

test






Pass/fail criteria and test procedure are regulated in test case.


5.3 Validation method for safety goal

Table 9 : Safety Goal Validation

SG ID

Explanation of safety goal

ASIL

Validation method

IWV_SG1

TheIWVshallnotcommand unintended driving torque

D

FIT

Back to back Interface

Performance & Resource Experience based

Long Term Test

……..




……..





6 Test Case and Acceptance Criteria

Pass/fail criteria and test procedure are regulated in test case.


7 References

Table 10 : References

No.

Document Name

Version

Date

1

ISO 26262: Road vehicles Functional safety -Parts 1~9

1.0

2011-11-15





















(NOTE) Basically, each referenced document should be listed by specifying the document name, version number, and date. A reference document which is continuously and frequently updated within the project, however, does not need to specify the version and date. If the version and date for a reference document are missing, it means the latest baseline version for that document has been referred to.


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