NDLI: Obstacles to achieving high-performance servo-tracking using conventional digital-controller designs

Content Provider	IEEE Xplore Digital Library
Author	Hughes, W.M. Johnson, C.D.
Copyright Year	1995
Description	Author affiliation: Missile Guidance Directorate, US Army Missile Command, Redstone Arsenal, AL, USA (Hughes, W.M.)
Abstract	Effective real time control decisions in servo tracking problems require maximum use of real time information about the current dynamic behavior of uncertain servo commands, plant disturbances and parameter perturbation effects. That information is embodied in the real time measurements of servo commands and plant outputs but is not explicitly identified and utilized in conventionally designed digital servo controllers, thereby resulting in closed loop performance limitations for such controllers. Those limitations are described in detail and illustrated by a worked example with simulation results. A new approach to digital servo controller design, currently under development, which can significantly reduce those limitations is outlined and demonstrated by a reworking and resimulation of the same example, using the new controller design.
Starting Page	429
Ending Page	434
File Size	498777
Page Count	6
File Format	PDF
ISBN	0818669853
ISSN	00942898
DOI	10.1109/SSST.1995.390545
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1995-03-12
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Digital control Open loop systems Missiles Signal design Current measurement Servomechanisms Control engineering Design methodology Measurement uncertainty Electric variables measurement
Content Type	Text
Resource Type	Article

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