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Apparatus and method for controlling a seek trajectory adaptation in sinusoidal seek servo hard disk drives
Apparatus and method for controlling a seek trajectory adaptation in sinusoidal seek servo hard disk drives
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机译:用于控制正弦搜索伺服硬盘驱动器中搜索轨迹适应的设备和方法
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摘要
A method, apparatus, and computer program product for a hard disk drive servomechanism. In one embodiment, the apparatus comprises a disk which has a surface, a spindle motor that rotates the disk, a transducer which can write information onto the disk and read information from the disk, and an actuator arm that can move the transducer across the surface of the disk. The apparatus further includes a controller. The controller can determine a seek length from a first track to a second track, determine a seek time based on the seek length, scale the seek time in response to a velocity error between a calculated velocity and a design velocity for the seek length, and control the actuator arm to move the transducer across the disk surface from the first track to the second track using an acceleration trajectory. IMAGE
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