モーダルフィルタを備える柔軟宇宙構造物のスピルオーバ不安定に関する一考察

Translated title of the contribution: A Consideration on the Spillover Instability of a Flexible Space Structure Equipped with a Modal Filter

外本 伸治, 後藤 昇弘

Research output: Contribution to journalArticlepeer-review

Abstract

Modal instability due to spillover is investigated for a flexible vibration control system that employs a modal filter as a state estimator. First the characteristic equation of the system equipped with actuators, sensors and a modal filter is derived in a determinantal form. Then it is shown that the characteristic equation can be expanded. By applying the perturbation technique to the expanded characteristic equation, a criterion is obtained to predict whether a residual mode become stable or unstable. Using the criterion, it is mathematically proved that the control system equipped with one actuator and one sensor always has unstable modes if they are non-colocated.
Translated title of the contributionA Consideration on the Spillover Instability of a Flexible Space Structure Equipped with a Modal Filter
Original languageUndefined/Unknown
Pages (from-to)414-421
Number of pages8
Journalシステム制御情報学会論文誌
Volume3
Issue number12
DOIs
Publication statusPublished - 1990

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