Case Studies

Space

We have been working alongside a Space start-up supporting the future launch and operation of their first satellite system through the creation and implementation of a Safety Management Programme.

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Safety requirements were generated with the application of the relevant industry standards and regulations, then used to verify the compliance of the system to control the safety risks, identified and evaluated through Hazard Analysis together with supporting assessment methods such as Failure Modes, Effects & Criticality Analysis and Fault Tree Analysis.

Further safety assessment is ongoing to support the project design reviews as system development continues.

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Land Systems

We have extensive experience in Functional Safety. This has included the assessment of systems for Defence, Space and Aerospace customers.

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We have supported a long-standing relationship with an SME electronics manufacturer to develop safety critical control systems to IEC 61508 SIL 2 requirements. This includes extensive board level Fault Tree Analysis, Common Cause Analysis, PCB layout assessments and short circuit analysis. In addition, we have implemented Functional Safety Management processes for this customer.

Through the analyses carried out, a number of design changes have been implemented to both improve the integrity of the system and to achieve compliance with the IEC 61508 standard.

The control systems were also required to be CE/UKCA Marked. We identified the applicable Directives/Regulations and relevant harmonised standards to assess compliance against and prepared the required Technical File documentation.

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Aerospace

Whilst we were working for a multinational Defence and Aerospace company, we performed Functional Failure analysis for a system in accordance with Defence and Aviation Standards.

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This led to us conducting the Hazard Analysis for the Line Replaceable Items (LRIs) within the system and apportioning safety requirements to meet the system-level requirements and relevant legislation.

We ensured that safety requirements were flown down to lower-level Shop Replaceable Items (SRIs), to ensure SRIs could be designed to comply with the system-level specification and safety requirements.

Additionally, we conducted a review of all historical incident data to prevent historical issues from arising in the design. We advised on design changes to comply the system requirements and legislation. We continue to work on the project and update the Hazard Analyses with any additional evidence to state compliances. Our performance on the project has led to further work within the company.

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