Study on the optimum operating curve for rotating shaft systems under consideration of the effect of limited power supply. (2nd report)

Hiroshi Yamakawa, Seiji Murakami

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

It may sometimes happen that a rotating machine can not be operated beyond a critical speed if it does not have sufficient power supply. Even if it can be operated beyond the critical speed, it yields a large transient response due to the limited power supply. An optimum design of an operating curve with limited power supply to obtain the minimum transient response was studied in the previous report where the operating curve was expressed by a piecewise linear curve with a stationary part and two parameters specifying the stationary part were to be optimized. The same type of optimum design problem of an operating curve is considered again in this report. An operating curve of general form is expressed here by the cubic spline function and the position vectors defining the spline function are optimized to minimize the transient response around the critical speed. Several numerical examples are obtained and examined from many points of view.

Original languageEnglish
Pages (from-to)1739-1744
Number of pages6
JournalNippon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
Volume56
Issue number527
Publication statusPublished - 1990 Jul
Externally publishedYes

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Transient analysis
Splines
Optimum design

ASJC Scopus subject areas

  • Mechanical Engineering

Cite this

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abstract = "It may sometimes happen that a rotating machine can not be operated beyond a critical speed if it does not have sufficient power supply. Even if it can be operated beyond the critical speed, it yields a large transient response due to the limited power supply. An optimum design of an operating curve with limited power supply to obtain the minimum transient response was studied in the previous report where the operating curve was expressed by a piecewise linear curve with a stationary part and two parameters specifying the stationary part were to be optimized. The same type of optimum design problem of an operating curve is considered again in this report. An operating curve of general form is expressed here by the cubic spline function and the position vectors defining the spline function are optimized to minimize the transient response around the critical speed. Several numerical examples are obtained and examined from many points of view.",
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AB - It may sometimes happen that a rotating machine can not be operated beyond a critical speed if it does not have sufficient power supply. Even if it can be operated beyond the critical speed, it yields a large transient response due to the limited power supply. An optimum design of an operating curve with limited power supply to obtain the minimum transient response was studied in the previous report where the operating curve was expressed by a piecewise linear curve with a stationary part and two parameters specifying the stationary part were to be optimized. The same type of optimum design problem of an operating curve is considered again in this report. An operating curve of general form is expressed here by the cubic spline function and the position vectors defining the spline function are optimized to minimize the transient response around the critical speed. Several numerical examples are obtained and examined from many points of view.

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