Simulation of a Floppy Disk Drive Head Position Controller

  • Jeff R. Carlson
  • H. Alan Mantooth


A floppy disk drive head positioning controller system is employed to demonstrate the Saber simulator’s capabilities in mixed analog-digital and mixed technology design. The models used to represent the various components of the system are described. Issues such as hierarchical modeling, mixed signal modeling, model re-use, and modeling of the interfaces between analog and digital as well as that between the electrical and mechanical are addressed. System level responses such as the read/write head position settling time, step loss of the stepper motor, and mechanical loading effects are demonstrated.


Behavioral Model Stepper Motor Impulsive Force Motor Shaft Lead Screw 
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  1. [1]
    L. W. Nagel, SPICE2: A computer program to simulate semiconductor circuits, ERL Memo No. ERL-M520, University of California, Berkeley, 1975.Google Scholar
  2. [2]
    Sony Semiconductor IC Data book Floppy Disk/ Hard Disk Drive IC, pg. 7, 1989.Google Scholar
  3. [3]
    MC3479 Stepper Motor Driver, Motorola Semiconductor Technical Data Book, 1990.Google Scholar
  4. [4]
    SST39D1041 Stepper Motor, Shinano Kenshi Motor Data book, Catalog No. SST-93, 1993.Google Scholar

Copyright information

© Springer Science+Business Media Dordrecht 1994

Authors and Affiliations

  • Jeff R. Carlson
    • 1
  • H. Alan Mantooth
    • 1
  1. 1.Analogy, Inc.BeavertonUSA

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