ISO26262

概述

ISO26262道路车辆功能安全标准的目的是为了控制功能失效对人员安全的影响,标准提供了一套正向的、环环相扣的开发方法与流程的参考模型。标准针对各类车载电气电子设备失效引发的危害事件制定了对应的安全目标,通过对各类违背安全目标实现的失效原因进行安全分析,制定对应的安全措施以保证安全目标的实现,这些措施里面包括针对系统性失效的安全流程管理措施,和针对随机性失效的安全机制技术措施。

介绍

  IS026262, flow of workproducts visualized



  ISO26262-2, Management of functional safety, Part 2-5 to 2-7:

  • 2-5: Overall Safety Management

  • 2-6: Safety management during the concept phase and product development

  • 2-7: Safety management after the item ́s release for production

  ISO26262-3, Concept phase, Part 3-5 to 3-8:

  • 3-5: Item definition

  • 3-6: Initiation of the safety lifecycle

  • 3-7: Hazard analysis and risk assessment

  • 3-8: Functional safety concept

  ISO26262-4, Product development at the system level (left wing), Part 4-5 to 4-7:

  • 4-5: Initiation of product development at the system level

  • 4-6: Specification of the technical safety requirements

  • 4-7: System design

  ISO26262-4, Product development at the system level (right wing), Part 4-8 to 4-11:

  • 4-8: Item integration and testing

  • 4-9: Safety validation

  • 4-10: Functional safety assessment

  • 4-11: Release for production

  ISO26262-5, Product development at the hardware level, Part 5-5 to 5-10:

  • 5-5: Initiation of product development at the hardware level

  • 5-6: Specification of hardware safety requirements

  • 5-7: Hardware design

  • 5-8: Evaluation of the hardware architectural metrics

  • 5-9: Evaluation of the safety goal violations due to random hardware failures

  • 5-10: Hardware integration and testing

  ISO26262-6, Product development at the software level, Part 6-5 to 6-11:

  • 6-5: Initiation of product development at the software level

  • 6-6: Specification of software safety requirements

  • 6-7: Software architectural design

  • 6-8: Software unit design and implementation

  • 6-9: Software unit testing

  • 6-10: Software integration and testing

  • 6-11: Verification of software safety requirements

  ISO26262-7, Production and operation, Part 7-5 to 7-6:

  • 7-5: Production

  • 7-6: Operation, service (maintenance and repair), and decommissioning

  ISO26262-8, Supporting processes, Part 8-5 to 8-14:

  • 8-5: Interfaces within distributed development

  • 8-6: Specification and management of safety requirements

  • 8-7: Configuration management

  • 8-8: Change management

  • 8-9: Verification

  • 8-10: Documentation

  • 8-11: Confidence in the use of software tools

  • 8-12: Qualification of software components

  • 8-13: Qualification of hardware components

  • 8-14: Proven in use argument

  ISO26262-9, ASIL-oriented and safety-oriented analyses, Part 9-5 to 9-8:

  • 9-5: Requirements decomposition with respect to ASIL tailoring

  • 9-6: Criteria for coexistence of elements

  • 9-7: Analysis of dependent failures

  • 9-8: Safety analyses


联合认证

  可向ISO26262认证机构提供功能安全开发过程以及产品评估文件,以满足功能安全过程和产品认证。

评估报告

  对认证主体进行功能安全开发过程以及产品评估并提供评估报告,使产品满足功能安全开发标准。