Optimal Control Design of a Voice Coil Actuator Head in a Hard Drive - Application Brief - Maplesoft


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Application Brief:
Optimal Control Design of a Voice Coil
Actuator Head in a Hard Drive
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The ability to quickly and accurately access information stored on a hard drive is a crucial feature of modern computers. As the storage capacity of hard drives increases, data is stored more densely, making the data difficult to retrieve quickly and accurately. To access the stored information, modern hard drives use a voice coil actuator to position a read-write head to different tracks of the hard drive. Accurate positioning is challenging because of the inability of current control systems to physically measure the position of the head.