汽车功能安全名词解释
英文缩写
- ASIL：Automotive Safety Integrity Level，汽车安全完整性等级
- QM：Quality Management，质量管理
- PHA：Preliminary Hazard Analysis，预期危害分析
- SG：Safety Goal，安全目标
- DIA：Development Interface Agreement，开发接口协议
- FTTI：Fault Tolerant Time Interval，故障容裕时间间隔
- FDT：Fault Dection Time，故障检测时间
- FRT：Fault Reaction Time，故障处理时间
- FSC：Functional Safety Concept，功能安全概念
- FSR：Functional Safety Requirements，功能安全要求
- TSC：Technical Safety Concept，技术安全概念
- TSR：Technical Safety Requirements，技术安全要求
- HSR：Hardware Safety Requirements，硬件安全要求
- SSR：Software Safety Requirements，软件安全要求
- NFR：Non-Functional requirement，非功能要求
- SM：Safety Mechanisms，安全机制
- FTA：Fault Tree Analysis，故障树分析
- DFA：Dependent Failure Analysis，相关性失效分析
- FMEDA：Failure Mode Effect & Diagnostic Analysis，失效模式影响 & 诊断分析
- FMEA：Failure Mode Effect Analysis，失效模式影响分析
- STS：Safety Test Strategy，安全测试策略
- STP：Safety Test Plan，安全测试计划
- STR：Safety Test Report，安全测试报告
- V&V：Verification & Validation，验证与确认
- SaC：Safety Case，安全档案
- CCF：Common Cause Failure，共因失效
- FFI：Freedom from interference，免干扰设计
- PMHF：Probabilistic Metric for random Hardware Failures，随机硬件失效率
- SPFM：Single-Point Fault Metric，单点失效度量
- LFM：Latent-Fault Metric，潜在失效度量
- E/E system： Electrical and/or Electronic system，电子电器系统
术语定义
- Item：system or array of systems or a function on vehicle level to which ISO26262 is applied.
- System：Combination of components interacting to carry out a defined functional purpose.
- Component：Independent physical element sold as a product to the customer
- Verification：Determination of completeness and correct specification or implementation of requirements from a previous phase.
- Validation：Assurances，based on examination and test，that the safety goals are adequate and have been achieved with a sufficient level in integrity.
- Verification Review：Verification activity to ensure that the result of a development activity fulfils the project requirement, or technical requirements, or bolt.
- Confirmation review：Confirmation that a work product (3.185) provides sufficient and convincing evidence of their contribution to the achievement of function safety considering the corresponding objectives and requirement of ISO26262
- Safety Audit：Examination of an implemented process with regard to the process objectives
- Safety Assessment：Examination of whether a characteristic of an item or element achieves the ISO 26262
