Reliability Testing Verifying Reliability for Embedded Systems

Many companies guarantee their products, but few work the process to determine their real risk and estimated failing point. Some general procedures companies can apply to their own reliability testing analysis will be discussed, allowing companies to check their own risk analysis and improve their testing. Design verification testing (DVT) uses the engineering specification as its road map. The DVT establishes conformity of the completed design and the manufactured product with the original engineering specification. The testing covers the functions of the product and its interaction with other devices. Also tested is the ability of the product to work over the specified range of environmental conditions. And last, the product must conform to the appropriate safety standards and regulatory agencies. Lifetime testing is used to verify if the product meets the product life design objectives. Automated round the clock operation of the device permits a manufacturer to simulate accelerated usage with the goal of statistically estimating wear and tear over the lifetime of the product.

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