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Ultraviolette Automotive

Battery Cell Model Engineer (SoX Algorithms)

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Role Overview<\/span><\/span> <\/span>
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We are seeking a <\/span><\/span><\/span>Cell Model Engineer<\/span><\/span> <\/span>to design, implement, and <\/span><\/span>validate<\/span> <\/span>advanced Battery Management System (BMS) algorithms. You will focus on developing <\/span><\/span><\/span>SoX<\/span> <\/span>frameworks<\/span><\/span> <\/span>(SOC, SOH, SOP, SOE) that ensure the safety, longevity, and performance of lithium\-ion battery packs. This role requires a deep understanding of lithium\-ion degradation mechanisms and the ability to translate complex physical phenomena into robust mathematical models.<\/span><\/span> <\/span>
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Key Responsibilities<\/span><\/span> <\/span>
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1. Algorithm & Model Development<\/span><\/span> <\/span>
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  • Develop and implement <\/span><\/span><\/span>State of Charge (SOC)<\/span><\/span>, <\/span><\/span><\/span>State of Health (SOH)<\/span><\/span>, and <\/span><\/span><\/span>State of Power (SOP)<\/span><\/span> <\/span>estimation algorithms.<\/span><\/span> <\/span>
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    • Design Equivalent Circuit Models (ECM) or Physics\-Based Models (PBM) to <\/span><\/span>represent<\/span> <\/span>cell dynamics.<\/span><\/span> <\/span>
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      • Utilize advanced estimation techniques such as <\/span><\/span><\/span>Kalman Filters (EKF, UKF)<\/span><\/span>, Recursive Least Squares (RLS), or Machine Learning\-based approaches for time\-series battery data.<\/span><\/span> <\/span>
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        2. Characterization & Testing<\/span><\/span> <\/span>
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        • Define and oversee cell\-level testing protocols (HPPC, Capacity Fade, Cycle Life) to parameterize models.<\/span><\/span> <\/span>
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          • Analyze large datasets from battery cyclers to extract electrochemical parameters and aging trends.<\/span><\/span> <\/span>
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            • Correlate lab\-based data with real\-world "field" performance to improve model accuracy.<\/span><\/span> <\/span>
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              3. Software Integration & Validation<\/span><\/span> <\/span>
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              • Translate models into production\-ready code (C/C++ or Auto\-generated code from Simulink).<\/span><\/span> <\/span>
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                • Perform <\/span><\/span><\/span>Model\-in\-the\-Loop (MIL)<\/span><\/span> <\/span>and <\/span><\/span><\/span>Hardware\-in\-the\-Loop (HIL)<\/span><\/span> <\/span>testing to <\/span><\/span>validate<\/span> <\/span>algorithm robustness across various temperatures and aging states.<\/span><\/span> <\/span>
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                  • Collaborate with BMS software teams to optimize algorithms for real\-time execution on low\-power microcontrollers.<\/span><\/span> <\/span>
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