Patent ID: 11948603
Assignee: WESTERN DIGITAL TECHNOLOGIES, INC.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 18:
19. The data storage device of claim 14, wherein the one or more processing devices are further configured to:
set initial first and second pairs of setting values;
set an initial PWM change time for operating the first VCM in the PWM mode, wherein the PWM change time corresponds to a time at which the first VCM transitions from using the first pair of setting values to the second pair of setting values for the PWM mode;
adjust one or more of the initial PWM change time, the first pair of setting values, and the second pair of setting values, and measure the corresponding track arrival PES to determine an optimal combination of PWM change time and first and second pairs of setting values for optimizing the track arrival PES; and
calibrate firmware to utilize the optimal combination of PWM change time and first and second pairs of setting values during seek operations.