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Design with Safety Eye

机译：用安全眼睛设计

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Deriving safety requirements in the early stages of the design is one of the most important key factors to conduct a successful development process for any project. As well-defined, correct, consistent and complete safety requirements improve and guide the design to better perfect levels with minimum effort; defective, inconsistent and incorrect safety requirements may lead to unsuccessful, over weighted and over cost designs. In this paper, ways and advantages of deriving mature safety requirements in early stages of the design will be discussed via examples. Safety requirements are derived using the results of the safety assessments based on the consequences of functional failures. But quality of safety assessments are based on maturity of the design, and also as the design matures it is hard to change and implement the changes, thus causes a dilemma. At the early stages of design, working with safety specialists that are more experienced, better educated and familiar to similar projects provide great contributions. Also safety perspective throughout the design team makes it easy to derive valuable safety requirements and gain these requirements to the product. In summary, as the design progress, the only way to overcome schedule and cost pressure is cooperation of all design team with a safety perspec
机译：在设计的早期阶段获得安全要求是对任何项目进行成功开发过程的最重要关键因素之一。经过明确，正确，一致，完整的安全要求，改善设计，以最小的努力更好地实现完美的水平;有缺陷，不一致和不正确的安全要求可能导致不成功，超过加权和成本设计。在本文中，将通过示例讨论设计早期阶段成熟安全要求的方式和优点。使用基于功能失败的后果，使用安全评估结果来源的安全要求。但安全评估的质量基于设计成熟度，而且由于设计成熟，难以改变和实施变化，从而导致困境。在设计的早期阶段，与类似项目的更好教育和熟悉的安全专家合作，提供了巨大的贡献。在整个设计团队中的安全视角也使得易于推导了有价值的安全要求并获得这些要求。总之，作为设计进步，克服日程表和成本压力的唯一方法是所有设计团队的合作，安全性Perpec

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