Functional Safety Engineering

ISO 26262 Functional Safety
Approach & Delivery

Subject matter experts delivering end-to-end ISO 26262 safety — from concept to production.

Safety Management Item definition HARA FSC FSR TSC TSR Hardware Safety Requirements Hardware Safety Architecture FMEDA Software Safety Requirements Software Safety Architecture DFA FMEA FTA Tool Qualification ASIL Decomposition
Complete Functional Safety Lifecycle Support

IAST delivers complete ISO 26262 engineering support across safety concept development, technical safety implementation, software integration, and Validation.

01 — SAFETY MANAGEMENT
  • Overall safety management
  • Safety management during item development
  • Safety management after release for production
  • Safety planning and confirmation measures
  • Functional safety culture and process compliance
  • Project-independent safety assessment
02 — SAFETY CONCEPT
  • Item definition
  • Initiation of the safety lifecycle
  • Hazard Analysis and Risk Assessment (HARA)
  • Functional Safety Concept (FSC)
  • Safety goals and safe-state definition
  • ASIL classification and allocation
03 — SYSTEM SAFETY
  • Initiation of product development at the system level
  • Specification of technical safety requirements
  • System design
  • Item integration and testing
  • Safety validation
  • Functional safety assessment
04 — HARDWARE SAFETY
  • Initiation of product development at the hardware level
  • Specification of hardware safety requirements
  • Hardware design
  • Hardware architectural metrics
  • Evaluation of random hardware failures
  • Hardware integration and testing
05 — SOFTWARE SAFETY
  • Initiation of product development at the software level
  • Specification of software safety requirements
  • Software architectural design
  • Software unit design and implementation
  • Software unit testing
  • Software integration and testing
  • Software verification
06 — ASIL ORIENTED ANALYSES
  • ASIL tailoring and decomposition
  • Criteria for coexistence
  • Dependent failure analysis
  • Safety analysis activities
  • Fault Tree Analysis (FTA)
  • Failure Mode and Effects Analysis (FMEA)
07 — SUPPORTING PROCESS
  • Interfaces within distributed developments
  • Overall management of safety requirements
  • Configuration management
  • Change management
  • Verification activities
  • Documentation management
  • Software and hardware qualification
08 — VALIDATION
  • Functional safety validation
  • Functional safety assessment
  • Release for production
  • Item integration and testing
  • Verification activities
  • Safety confirmation reviews
Part-by-Part Safety Development Experience

IAST actively supports customers across all key ISO 26262 parts, with clearly defined ownership models — from independent delivery to collaborative co-engineering.

PART 2

Overall Safety Management

Safety plan, development interface agreement (DIA), safety impact analysis, and overall project safety management.

PART 3

Concept Phase

Autonomous Driving use-case, Item Definition, HARA, DIA — delivered independently or in collaboration with the customer.

PART 4

Product Development — System

Autonomous Driving use-case, system architecture design including FSRs and TSRs, SYS.2 and SYS.3 artifacts.

PART 5

Hardware Safety

HW safety requirements, FMEDA analysis, L3 safe-state simulation as per E-GAS specification.

PART 6

Product Development — Software

SW safety requirements, memory partitioning, base software safety modules (WDG, VectorOS), SWE.1–SWE.6 deliverables.

PART 8

Supporting Processes

Tool qualification reports, SW component safety qualification, and supporting process compliance.

PART 9

Safety Analysis

FTA guideline, FMEA approach definition, DFA guideline, System FMEA, System DFA, System FTA, System FMEDA.

Customer–IAST Collaborative Safety Delivery

A structured lifecycle framework defining IAST's delivery responsibilities across project phases — from initiation through closure — with clear ownership at every step.

PI — Initiation
Project Kick-off
  • Safety Impact Analysis
  • Safety Plan
  • DIA
  • Safety Assessment Plan
PCP — Concept
Concept Phase
  • HARA
  • Item Definition
  • Safety Goal
  • Functional Safety Concept
  • Technical Safety Concept
PPL — Planning
Planning
  • System FMEA
  • FTA (Concept Validation)
  • SW/HW Component List
  • Tool List
  • FSA0 Assessment
PDT — Development
Development
  • SW Safety Architecture
  • SW Safety Requirements
  • SW Unit Design & Impl
  • SW Integration & Test
  • SYSTEM DFMEA / DFA / FTA
  • FMEDA · FSA1 Assessment
PRL — Release
Release
  • SW Qualification Test
  • System Safety Analysis Report
  • SW Safety Analysis Report
  • Safety Case
  • FSA2 Assessment
PCL — Closure
Closure & Support
  • External Audit Support
  • Maintenance
  • Field Defect Analysis
Real-World Safety Engineering Delivery

IAST has successfully executed ISO 26262 functional safety programs across Autonomous Driving, Electric Vehicles, and Last Mile Delivery platforms at the highest ASIL integrity levels.

Autonomous Drive for EV Bus

ASIL-D
Part 2 Part 3 Part 4 Part 6 Part 9
  • DIA – Development Interface Agreement
  • Safety Plan review
  • Item Definition, HARA & FSC review
  • System safety requirement review & System FMEA
  • SW safety requirement derivation & architecture
  • SW FTA & safety verification
  • Co-existence of elements analysis
Toolchain: Arbre Analyst, APIS IQRM, Polarion ALM, Enterprise Architect

Autonomous Bot — Last Mile Delivery: Fail Safe Design

ASIL-C
Part 2 Part 3 Part 4 Part 5 Part 6 Part 8
  • DIA, Safety Plan & Safety Case
  • Item Definition, HARA & FSC review
  • System safety requirement review
  • SW safety requirements, FTA, FMEA, DFA
  • FMEDA (Part-5)
  • SW safety verification & architecture
  • Safety Qualification of SW tools (Part-8)
Toolchain: Arbre Analyst, APIS IQRM, Polarion ALM, Enterprise Architect

EV Powertrain — Vehicle Motion Control Safety

ASIL-D
Part 3 Part 4 Part 6
  • Item Definition (Vehicle Motion Controls)
  • HARA with ASIL classification
  • Functional Safety Concept derivation
  • FSRs–TSRs mapping and allocation
  • stakeholder & system requirements analysis
  • software requirement derivation
Tools: Polarion ALM, APIS IQRM, Enterprise Architect

Gateway ECU — Vehicle Control Unit Safety

ASIL-B
Part 4 Part 5 Part 6 Part 8 Part 9
  • In-vehicle network (Ethernet) requirements
  • Ethernet module software requirements
  • BSW system services architecture
  • Software implementation & Software integration testing
  • Test cases based on Software requirements
  • FTA, FMEDA & DFA safety analysis (Part-9)
  • Tool qualification & SW component qualification
Domains: CAN FD, Ethernet, UDS, SecOC

Body Control Module Safety Integration

ASIL-B
Part 6 Part 9
  • AUTOSAR Classic safety BSW integration
  • DEM/DCM diagnostic management
  • Watchdog supervision configuration
  • Safe-state transition logic implementation
  • Memory partitioning & runtime protection
Stack: AUTOSAR, ASIL-B, DEM/DCM, WDG

Safety Analysis Guidelines Development

Part 9
FTA DFA FMEA
  • FTA Guideline authoring for internal programs
  • DFA Guideline definition
  • FMEA Approach documentation
  • Reusable analysis templates across platforms
Tools: ISOgraph, APIS IQRM, Medini Analyze
Production-Grade Tooling for Functional Safety Programs

Industry-standard tools used across ISO 26262 safety engineering, AUTOSAR integration, safety analysis, and compliance workflows.

Medini Analyze

Functional safety analysis including HARA, FMEA, FMEDA, DFA, FTA and ISO 26262 workflow management.

APIS IQRM

Safety analysis — FMEA, FTA, FMEDA, and DFA — with structured guideline execution and report generation.

Polarion ALM

Safety requirements traceability, lifecycle management, FSR–TSR–SWE linkage, and compliance evidence tracking.

Enterprise Architect / Rhapsody / Cameo

System and software safety architecture modelling, SysML-based design, and item definition documentation.

Arbre Analyst

Fault Tree Analysis (FTA) and reliability analysis for safety-critical system safety analysis programs.

Vector CANoe / CANalyzer

UDS diagnostics validation, network simulation, CAPL automation, and fault injection workflows.

dSPACE HIL

Hardware-in-loop validation, real-time safety testing, and ECU fault behavior verification.

EB tresos / AUTOSAR BSW

AUTOSAR configuration, MCAL integration, DEM/DCM setup, and safety-focused BSW development.

MATLAB Simulink

Model-based development, simulation of safety mechanisms, and MIL/SIL verification workflows.

ISOgraph

Reliability and safety analysis including FMEA, FTA, and FMEDA for hardware-level diagnostic coverage.

DOORS / PTC Integrity

Requirements engineering and ALM for safety-critical projects, supporting ASPICE and ISO 26262 traceability.

Static Analysis Tools

MISRA-C compliance verification, runtime analysis, code quality checks, and safety rule enforcement.

Why Choose IAST for Functional Safety Engineering

Core engineering strengths that make IAST the right partner for ISO 26262 functional safety development and integration.

01

End-to-End Safety Lifecycle Support

Complete ISO 26262 lifecycle ownership from Item Definition, HARA, FSC, TSC, implementation, SWE.1–SWE.6 artifacts, validation, and compliance assessment.

02

AUTOSAR Safety Integration Expertise

Deep expertise in AUTOSAR Classic safety integration, watchdog supervision, SafeMCAL, DEM/DCM diagnostics, VectorOS, and runtime monitoring.

03

ASIL-D Delivery Capability

Safety-focused ECU software and hardware development aligned to ASIL-A through ASIL-D requirements, including Autonomous Driving use-cases.

04

Advanced Safety Analysis

HARA, FMEA, FMEDA, DFA, and FTA execution with diagnostic coverage evaluation, and internally authored guideline templates for reuse.

05

Multi-Domain Platform Experience

Proven delivery across Powertrain, BCM, EV, Autonomous Driving, Gateway ECU, and Last Mile Delivery robot platforms internationally.

06

Flexible Collaboration Model

Works independently, jointly with the customer, or in a review role depending on ISO 26262 part and project phase — defined through DIA.

07

TÜV-Certified Safety Team

TÜV Level-1 certified engineers with Level-2 external certification in progress for 2026, backed by bi-weekly safety community knowledge sharing.

08

Production-Ready Compliance Support

TÜV audit preparation, phased safety assessment (FSA0–FSA2), safety traceability, and complete safety evidence package generation.

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