| 摘要 |
<P>PROBLEM TO BE SOLVED: To achieve an effective and proper passive-response-control system utilizing an electromagnetic-induction action. Ž<P>SOLUTION: An additional vibration system added to a main vibration system is composed by a DC power generating mechanism (a DC motor 2), which is vibrated by vibration of the main vibration system and generates electromotive force by an electromagnetic-induction action, and an electric circuit 3 that controls resistance force F by controlling a current I flowing in the DC power generating mechanism. The electric circuit is configured from a coil, a capacitor, and a resistor. An inductance L of the coil, capacitance C of the capacitor, and a resistance value R of the resistor are determined by using coefficients K<SB>1</SB>, K<SB>2</SB>being characteristic values of the DC power generating mechanism. Consequently, it is possible to allow the additional vibration system to function as a damper mechanism provided with a spring element of equivalent spring rigidity k, an inertial-mass element of inertial mass ψ, and a damping element of a damping coefficient c. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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