2017 Fiscal Year Final Research Report
Development of electricity-feedback traveling-wave thermoacoustic electric generator considering environmental and load variations by changing resonance characteristics
| Project/Area Number |
15K06135
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Control engineering/System engineering
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| Research Institution | Nagaoka University of Technology |
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Principal Investigator |
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| Co-Investigator(Renkei-kenkyūsha) |
YAMADA Noboru 長岡技術科学大学, 工学部, 准教授 (90321976)
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| Project Period (FY) |
2015-04-01 – 2018-03-31
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| Keywords | 熱音響発電機 / 電力フィードバック / 進行波型 / ナイキストの安定判別 / 発振余裕の拡大 / 負荷のフィードバック制御 |
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| Outline of Final Research Achievements |
An electricity-feedback traveling-wave thermoacousic electric generator has been first realized, which replaces the acoustic power feedback in the conventional looped-tube systems by the electricity feedback in the feedback circuit. To this end, the existing analysis method has been extended so that multistage cores are considered, and it has been demonstrated that the experimental and analysis results are consistent with each other, showing that the return power in the circuit increases as the resistance decreases, and the instability margin can be expanded by inserting a reactance in the electricity-feedback circuit.
It has also been demonstrated that the steady-state oscillation pressure amplitude can be maintained at a desired value against environmental (temperature) variations by a proposed feedback control law which dynamically changes the load registrant.
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| Free Research Field |
制御工学
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