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RESEARCH PAPERS: Gas Turbines: Structures and Dynamics

An Optimum Balance Weight Search Algorithm

[+] Author and Article Information
J. C. Austrow

GE Aircraft Engines, 1 Neumann Way, Cincinnati, OH 45215

J. Eng. Gas Turbines Power 116(3), 678-681 (Jul 01, 1994) (4 pages) doi:10.1115/1.2906873 History: Received March 01, 1993; Online April 24, 2008

Abstract

A mathematical description for an optimum balance weight search algorithm for single-plane multipoint balance is presented. The algorithm uses influence coefficients, either measured or known beforehand, and measured complex vibration data to determine an optimum balance correction weight. The solution minimizes the maximum residual vibration. The algorithm allows user-defined balance weights to be analyzed and evaluated. A test case is presented showing actual results and comparison with a least-squares solution algorithm. An efficient multiplane influence coefficient calculation scheme is also presented.

Copyright © 1994 by The American Society of Mechanical Engineers
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