A novel tuned heave plate energy-harvesting system (THPEH) is presented for the motion suppressing and energy harvesting of a semi-submersible platform. This THPEH system is designed based on the principle of a tuned mass damper (TMD) and is composed of spring supports. a power take-off system (PTO) and four movable heave plates. The permanent magnet linear generators (PMLG) are used ... https://fitnessgravesyardes.shop/product-category/middle-frame/