IEEE S.F. Bay Area Council e-GRID's

Technology & Networking in Silicon Valley & the SF Bay Area: Upcoming Meetings, Courses and Conferences

January 30, 2014

Mtg: History of the Magnetics and Control of Actuators in Disk Drives

by @ 10:16 am. Filed under ALL, Computers/Software, Electronics Design

TUESDAY February 18, 2014
SCV Magnetics Chapter
– position and velocity feedback, torque factor, inertia …
Speaker: Dr. Art Wagner, consultant
Time: Networking and pizza at 6:45 PM; Presentations at 7:30 PM
Cost: none
Place: Western Digital, 1710 Automation Parkway, San Jose
RSVP: not required

In computer systems, an important data storage medium, beginning in the 1950s until today, is the Hard Disk Drive (HDD).  Using magnetic heads, the HDD reads and writes data on magnetic surfaces of spinning disks.  A disk drive actuator positions the magnetic heads on data using a combination of position and velocity feedback control.  An engineer configures an actuator from magnets, steel, a coil, bearings, and head arms.  The presentation centers on the progression of actuator configurations.  The talk pays attention to parameters important for control, such as the force factor or torque factor, mass or inertia, and coil resistance.  In this presentation, we discuss configuration evolution from typical early actuators to configurations prevalent in todayâ??s actuators and control.  We answer the question: what has changed, what is the same?


Comments are closed.

[IEEE S.F. Bay Area Council -] [powered by WordPress .]

SF Bay Area Council


  • 5G (2)
  • ALL (4,702)
  • Antennas & Propagation (5)
  • BioEngineering (675)
  • Blogroll (33)
  • Circuits (16)
  • Communications (1,862)
  • Computers/Software (1,777)
  • Consumer Electronics (103)
  • Control Systems (23)
  • Electrical/Power (1,284)
  • Electronics Design (2,774)
  • Employment (4)
  • Employment opportunities (7)
  • Engineering Mgmt (1,819)
  • Green energy (48)
  • History (7)
  • Industrial Applications (91)
  • Information Theory (13)
  • Instrument and Measurement (1)
  • Magnetics (30)
  • Microwave (8)
  • NanoEngineering (876)
  • Optics/Displays (969)
  • Photonics (31)
  • PhotoVoltaics (4)
  • Product Safety (25)
  • Reliability (37)
  • Robotics and Automation (19)
  • Semiconductors (1,847)
  • Signal Processing (138)
  • Vehicular Technology (16)
  • Women in Engineering (8)
  • Young Professionals (5)

    Support our advertisers:

    Visit our

    Enabling Javascript allows us to show you upcoming conferences in this column.

    For the Firefox browser, select Tools/Options/Content and select "Enable Javascript".

    If you are using Microsoft Internet Explorer you may need to click on the yellow bar above and select 'Allow Blocked Content'. You must then click 'Yes' on the following security warning.


    August 2019
    S M T W T F S
    « May    

    View in Google Calendar

    search blog:

    SUBSCRIBE: Get the e-GRID twice a month by email - upcoming IEEE SF Bay Area meetings, conferences.

    RSS Feed Subscribe to our RSS Feed.

    PUBLICIZE your event to IEEE's membership.

    general links:

    22 queries. 0.430 seconds