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A comparison of linear discrete-time design methods for servosystem control


Reference:

Plummer, A. R., 1997. A comparison of linear discrete-time design methods for servosystem control. Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering, 211 (4), pp. 281-300.

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Official URL:

http://dx.doi.org/10.1243/0959651971539812

Abstract

Three linear discrete-time model-based controller design techniques are compared: pole placement, linear quadratic Gaussian (LQG) and H∞ control. It is shown that design choices can be made for all three controllers by considering the effect on the sensitivity functions of the closed-loop system. Also all three controllers can be implemented using an identical controller structure. A comparative study of the application of the techniques to an electromechanical servosystem is made. The controllers are designed from a discrete-time plant model estimated from experimental data, and a polynomial-based solution method is used in each case. It is concluded that acceptable performance can be achieved using any of the controllers if informed design choices are made.

Details

Item Type Articles
CreatorsPlummer, A. R.
DOI10.1243/0959651971539812
DepartmentsFaculty of Engineering & Design > Mechanical Engineering
RefereedYes
StatusPublished
ID Code13712

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