AUTOMOTIVE FUNCTIONAL SAFETY
Description And Objectives:
Automotive Functional safety is a discipline that focuses on what happens if any system or subsystem fails to perform an intended function, and in case of failure of any component or system, it identifies and mitigates potential hazards and the risks associated with such failures. Functional safety ensures that a system can perform its intended functions even if there is malfunction or fault in the system. It makes sure that there is a safe state or safe operation and reduces the risk of accidents and injury to humans.
Functional safety is not an isolated activity, it begins right from the inception of the product, going through its design, development, production, service, and finally decommissioning. With the advent of electric and autonomous vehicles, there is ever increasing usage of more and more microprocessors and electronics to perform vehicle functions, like adaptive cruise control, lane centering etc, which in the past were performed by humans. While handing over all the activities typically performed to machines and computers is nice, it is important to ensure that safety and accidents are minimized, and in case of any particular failure, there is a strategy to minimize risk and loss of human life and property damage. Iso 26262 is a standard that ensures that by following the steps and procedures laid down in the standards, all such risks are minimized.
ISO 26262 is a functional safety standard that is particularly focused on automotive safety resulting from the malfunctions of electrical and electronic components.
Upon the successful completion of this course, each participant will be able to: –
• Understand functional safety concepts and their application to the automotive industry.
• Perform tasks generally required of a functional safety person.
• Know and understand common terminology related to function safety and the iso 26262.
• Be able to understand iso 26262 standard and apply it to their specific application.
• Perform hazard analysis and risk assessment to any component.
• Gain hands-on experience in iso 26262 functional safety by doing multiple practical exercises.
WHO SHOULD ATTEND:
• Systems Engineers
• Safety Engineers
• Product Development Engineer
• Automotive Suppliers
• Quality Engineers
• Graduate Engineers
• Electrical Engineers
• Project Engineers
• Design Engineers
• Functional Safety Managers
• Electrical Technicians
• Functional Safety Personal
• Senior Management
COURSE EXECUTION:
Instructor will follow these instructions:
• Deliver the material in a manner that participants can easily follow and comprehend.
• Be interactive and involve all the participants.
• Present many real-world scenarios and emphasize strategy to solve a problem.
• During breakout sessions work practical examples and allow students to discuss and work in small groups with interactions which maximize learning.
• Pay individual attention in the classroom to every participant.
INSTRUCTOR PROFILE:
Dr. Nasir Bilal, PhD (USA) is a former visiting assistant professor at Purdue University, USA. He has extensively been involved in teaching and research and his experience is a mix of both industry and academic. He has also taught many industry-oriented short courses related to compressor technology. In the past, he has taught courses in mechanics, vibrations, machine design, and compressor engineering. He was also a teaching assistant for graduate-level courses on vehicle dynamics, mechanical vibrations, static, dynamics, and machine design. He is currently actively involved in automotive functional safety and analysis of autonomous vehicles with a tier 1 OEM and heads a small group and supervises and implements ISO 26262-related activities.
COURSE Formation:
DAY ONE
Section 1
- Introduction to Functional Safety in E/E systems
- Automotive industry’s transition towards autonomy/electronics
- SAE levels of driving automation
- Challenges of autonomous driving
- Functional safety lessons learned
- Functional Safety- the future of autonomous driving.
Section 2
- Background for Functional Safety standards
- Standards for Functional Safety
- IEC 61508-general market
- ISO 26262-automotive
- What is ISO 26262?
- Why is ISO 26262 needed?
- ISO 26262 Lifecycle
- Key differences between ISO26262 and IEC 61508
- Is ISO 26262 mandatory?
- Role of organizations/institutes- NHTSA, SAE, FMVSS, UNECE, ACEA, OEMs, Virginia Tech
Section 3
- Overview of contents of ISO 26262 standard
- Brief introduction to Part 1-12 of ISO 26262 standard
- ISO 26262 V-cycle Development Process.
- How is ISO 26262 being implemented in the real world?
- The Takata Airbag Safety Recall
COURSE Formation:
DAY TWO
Section 1
- Scope of the Part 1: Vocabulary
- Scope of the Part 2: Management of Functional Safety
- Scope of the Part 3: Concept Phase
Section 2
- Detailed insight into Concept Phase
- Item Definition
- How to define vehicle level functionalities
- System architecture and interfacing systems
- HAZOP Guideword Analysis
- Group Exercise #1: Create a system boundary diagram for a given system. Observe its interfaces with other vehicle sub systems and define its functionalities. Perform a guideword analysis and derive respective malfunctions.
Section 3
- Hazard Analysis and Risk Assessment (HARA)
- Hazard identification
- How to create various operational situations
- Potential hazardous events
- Automotive Safety Integrity Level (ASIL)
- Procedure to determine Exposure, Severity and Controllability Ratings
- Procedure for ASIL level for different automotive applications
- Example HARA implemented on a vehicle system.
COURSE Formation:
DAY THREE
Section 1
- Outcome of HARA: Safety Goal
- How to derive Functional Safety Requirements (FSRs)
- Functional Safety Concepts
- System architecture and design principles
- Safety mechanisms and redundancies
- Verification and Validation (V&V) Strategy
Section 2
- Practical implementation of Functional Safety analysis performed on Lane Centring System
- Group discussions on Functional Safety analysis of Brake and Steering System
Section 3
- Fault Tolerant Time Interval (FTTI)
- Safe States
- Failure Mode and Effects Analysis (FMEA)
- Fault Tree Analysis (FTA)
- Systems Theoretic Process Analysis (STPA)
- What is a Development Interface Agreement (DIA)? Why it is important.
- Safety Element out of Context (SEooC)
- Random failure and Systematic failures.
- Probabilistic metric for random hardware failures (PMHF)
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