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    Why power density is so important in autonomous underwater vehicles

    Power Density Essential for Underwater-Vehicle Operation (Download)

    Dec. 6, 2024
    Log in to download the PDF of this article on the critical nature of power density in AUV functionality.

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    Autonomous underwater vehicles (AUVs) typically feature high efficiency and superior control, and they run silent. They incorporate a high-power-density propulsion motor, which needs a very efficient cooling method that must improve stability and reliability.

    The AUV’s propulsion motor—the permanent-magnet synchronous motor (PMSM)—has rapidly become popular in many kinds of AUVs. This is mainly due to its high power density, high efficiency, silent operation, and superb controllability. AUVs gently glide underwater with a delicate balance between buoyancy and gravity.

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