Real-time control to inverted pendulum shows that the new scheme is efficient to a large unknown n…

用该方法对倒立摆进行实时控制，得到了满意的结果。

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Mid-afternoon, and main stage security have built themselves into a reinforced semi-circle as if preparing for war as Australian drum 'n' bass metalers Pendulum arrive - it's officially their 150th show.

BBC: Newsbeat - Download festival 2009 reviewed