Disk Drive Pivot Nonlinearity Modeling Part II : Time Domain

  title={Disk Drive Pivot Nonlinearity Modeling Part II : Time Domain},
  author={Feei Wang},
This paper describes studies done at HP Labs on the actuator pivot bearing nonlinearity of a small disk drive. Part I of this paper presents a frequency-domain approach, using the sweptsine/describing function method, to obtain a model for this nonlinearity. Part II presents several additional models and discusses a time-domain approach, comparing simulated and lab measured torque versus displacement hysteresis curves. Using the measured and simulated time and frequency responses as a guide… CONTINUE READING
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