Sliding mask variable resolution velocity trajectory for track f

Details Sliding mask variable resolution velocity trajectory for track f Sliding mask variable resolution velocity trajectory for track f

1982-11-22

1984-12-04

Stellar, George G.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

318561, G11B 555, G11B 2108, G05D 1362

Patent

active

044867972

ABSTRACT:
A servo system generates a velocity profile for moving a load from one position to another by dividing the time during which the load is moving into a plurality of segments, each segment being one half as long as the preceding segment. For each segment a fixed number of desired velocity values are stored and used to control the velocity of the moving load. This results in increasing resolution of the velocity wave as the load approaches its desired position, while not requiring excessive storage capacity for storing the desired velocity values.

REFERENCES:
patent: 3809986 (1974-05-01), Visser
patent: 4096579 (1978-06-01), Black et al.
patent: 4272793 (1981-06-01), Van Landingham
patent: 4439800 (1984-03-01), Powell

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