| Project/Area Number |
62550183
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| Research Category |
Grant-in-Aid for General Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Research Field |
機械力学・制御工学
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| Research Institution | TECHNOLOGY TOKYO METROPOLITAN UNIVERSITY |
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Principal Investigator |
IWATA Yoshiaki TECHNOLOGY TOKYO METROPOLITAN UNIVERSITY, 工学部, 助手 (70087196)
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| Co-Investigator(Kenkyū-buntansha) |
UEDA Koichi TECHNOLOGY TOKYO METROPOLITAN UNIVERSITY, 工学部, 助手 (35287177)
上田 耕一 東京都立大学, 工学部, 助手 (40087177)
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| Project Period (FY) |
1987 – 1988
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| Project Status |
Completed (Fiscal Year 1988)
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| Budget Amount *help |
¥1,900,000 (Direct Cost: ¥1,900,000)
Fiscal Year 1988: ¥1,200,000 (Direct Cost: ¥1,200,000)
Fiscal Year 1987: ¥700,000 (Direct Cost: ¥700,000)
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| Keywords | Variable Structure / Parameter Control / Semi-active Suspension / Sky-hook Damper / スカイフックダンパ / 磁性流体 / 可変粘性 / 可変剛性 / 可変構造システム(VSS) / 準能動的制振法 / 振動制御 / 減衰特性 / 滑り状態理論 |
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| Research Abstract |
When compared with active suspensions, semi-active suspensions have the advantages of simplicity of hardware requirement; lower capital and operational cost; and the desirable stability and reliability behavior that characterizes passive devices. They can achieve performance close to that of active devices. Generally, semi-active devices use a damper in which the damper coefficient is variable. This study proposes a new semi-active suspension in which both damper coefficient and spring constant can be modulated at high band width. The control strategy for this device uses only directry measurable relation position in vehicle applications. Simulations and experimental studies show that the proposed system is compared to passive and ordinary semi-active suspensions.
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