Aiming at a power battery powered by CATL, in 2014, I helped to guide and assist CATL in the structural optimization of battery pack, and optimized the battery pack and vehicle structure according to the modal results of battery packs, then adjusted the load crossbeam in battery pack, adjusted the weight distribution of battery modules, and completed the overall structure of battery pack after several iterations.<br>Afterwards, the vibration test of battery pack failed on the test-bed for many times. I used optimization algorithm to help catl design a fixture (first-order mode 180hz), which met the test requirements and completed the test one month in advance.<br>
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