Target Acquisition with a Curve Controlled Digital-Sampled Data Servo
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Authors
Barrera, Guillermo E.
Subjects
Positioning System
Sampled data servo
Track follow and seek modes
Voltage and current servo amplifiers
Digital and analog compensators
Sampled data servo
Track follow and seek modes
Voltage and current servo amplifiers
Digital and analog compensators
Advisors
Thaler, George J.
Date of Issue
1983-12
Date
December 1983
Publisher
Monterey, California. Naval Postgraduate School
Language
Abstract
Imbedding position information in the data surface of disk memory systems does not allow velocity information and the position data is discrete. A single servo positioning system is studied for both seek and track follow modes, with combinations of current and voltage amplifiers along with analog and digital compensators. The system is controlled by means of a curve command scheme chosen from several that are investigated. The problems of sampling rate and non-linearity in the motor force are included, with a certain degree of approximation. Computer simulation is used to analyze the system. Finally, three different servos are designed, that meet the specifications.
Type
Thesis
Description
Approved for public release
Series/Report No
Department
Electrical and Computer Engineering (ECE)
Organization
Identifiers
NPS Report Number
Sponsors
Funding
Format
Citation
Distribution Statement
Approved for public release; distribution is unlimited.