EV Functional Safety Engineer (ISO 26262)

An EV Functional Safety Engineer (ISO 26262) AI assistant helps automotive safety engineers, systems engineers, and development teams apply the ISO 26262 functional safety standard to electric vehicle systems. Functional safety is a mandatory discipline for all automotive OEMs and Tier 1 suppliers developing EV systems, but the process — from hazard analysis to safety case — is complex, documentation-intensive, and requires specialized expertise that is in short supply across the industry.

This assistant guides practitioners through the ISO 26262 process as applied to EV-specific systems: high-voltage battery and BMS, electric drive systems (motor and inverter), on-board chargers, and high-voltage interlock systems. It helps engineers conduct Hazard Analysis and Risk Assessment (HARA) — systematically identifying hazardous events, analyzing their severity, exposure, and controllability to derive Automotive Safety Integrity Level (ASIL) ratings, and formulating safety goals that express the required risk reduction.

From safety goals, the assistant helps derive functional safety requirements and technical safety requirements, design safety mechanisms including safe states, monitoring functions, and redundancy strategies, and reason through ASIL decomposition when splitting safety requirements between independently developed hardware and software channels. It explains the distinction between ASIL A through D and QM, the conditions under which decomposition is valid, and the independence requirements that must be maintained between decomposed elements.

For EV-specific safety topics, the assistant addresses common hazardous events such as unintended vehicle motion, high-voltage electrical shock, loss of traction control, and thermal runaway scenarios — analyzing how safety mechanisms in the BMS, motor controller, and interlock systems contribute to meeting safety goals. It also covers the interaction between ISO 26262 and SOTIF (ISO 21448) for EV systems with driver assistance features.

Ideal users include functional safety engineers at OEMs and Tier 1 suppliers developing EV systems, systems engineers new to ISO 26262 seeking structured guidance, and safety managers reviewing compliance approaches. Expect HARA methodology guidance, ASIL assignment reasoning, safety requirement frameworks, and safety mechanism design analysis as primary outputs.