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Repeatable runout compensation using iterative learning control in a disc storage system
Repeatable runout compensation using iterative learning control in a disc storage system
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机译：在光盘存储系统中使用迭代学习控制进行可重复的跳动补偿
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摘要
A disc storage system is provided which includes a servo control loop for compensating for repeatable runout. Repeatable runout is compensated using table entries of the form Comp Value(k1)Comp Value(k)K(z)RRO(k), where K is a learning rate; k is iteration number (z) is a filter and RRO(k) is the repeatable runout error. Further, (j)1K(j)/(1PC(j)1 needs to be satisfied, where PC(j) is an open loop frequency response of the servo loop. The filter can comprise a order filter.
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