Much like the lithium-ion batteries that power our smartphones, the batteries that will power electric aircraft are destined to degrade over time. For smartphone users, battery performance issues after a few years of use might indicate that it’s time to replace your device. But for electric aircraft operators, deciding when to replace aging batteries is a far more convoluted task—one that will require regulatory oversight due to the safety-critical nature of aviation.
To help eVTOL developers and air safety regulators analyze and predict aircraft battery performance, Seattle-based start-up Astrolabe Analytics is developing a software system that combines data management techniques with artificial intelligence (AI) and machine learning. It uses voltage data supplied by an aircraft’s onboard battery management system to analyze each battery pack’s performance down to a cell level, allowing operators to identify weak cells before they begin to compromise the battery’s performance and safety.
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