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Moog actuation solution operates Centre Court roof

A Moog product story
Edited by the Engineeringtalk editorial team Jul 13, 2009

Moog Industrial Group has put in place a high-performance electric actuation solution that operates the retractable roof above Wimbledon's Centre Court.

Wimbledon's retractable roof consists of two sections (southern and northern sections), which together support 5,200m2 (17,060ft2) of fabric when deployed above Centre Court.

Moog's technology moves the two sections of roof along two sets of parallel rails over a span of 77m - within a tolerance of 2-3mm (0.09in) - in less than 10 minutes.

The retractable roof's 10 trusses each weigh 110 metric tons (121.25 tons).

To generate the force to precisely and efficiently open and close the Wimbledon roof, Moog designed a solution that includes 148 axes of control, comprising 108 electric actuators (35 tonne and 14 tonne force capability) and 40 servomotors, which power wheeled carriages running on the rails.

Each axis requires a corresponding servodrive as well as 20 real-time Moog Servo Controllers (MSC) and 20 programmable logic controllers (PLCs) with software, all of which are housed in 40 control cabinets.

Moog equipment and software provides closed-loop control for the roof movement, which includes operating the trusses' end arms, restraint arms and carriages, while the PLCs provide the supervisory and data acquisition element.

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