| 摘要 |
The invention relates to a jack-up platform (1) comprising a hull (2) and at least three longitudinally movable support legs (3) for said hull (1), at least one of said support legs (3) comprising at least one variable speed drive (8, 8to 8) as a part of a leg driving mechanism, wherein the platform (1) comprises a closed-loop control unit (7) for said driving mechanism, the closed-loop control unit (7) being connected with said variable speed drive (8, 8to 8) via a bi-directional electronic bus (16) for transmitting control parameters (M*, M, N, R).
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