Development of an Energy Regenerative Damper using Resonant Circuit

振动主动控制由于其高阻尼性能而逐渐被用来抑制振动。但它需要高能量耗散。振动是一种能量，而作动器是一种能量转换器.然后利用振动能量并将其再生为电力的想法可以导致高成本节约和效率。振动系统采用音圈电机，将能量再生到倍压充电电路中。能量被再生用于致动器的高速运动。然而，阻尼器有一个死区，导致高次谐波干扰的系统和阻尼是非常低的。然后在致动器和充电电路之间引入电谐振电路。期望减小非线性效应并对低振幅振动提供有效的阻尼力。为了设计谐振电路，导出了最佳调谐条件。但所设计的谐振电路体积较大，不实用。最后在驱动器和充电电路之间引入了PWM型升压斩波器。再生阻尼器工作良好，振动能量得到很好的再生。

Active vibration control has been gradually used to suppress vibration because of its high damping capability. But it requires high energy dissipation. On the contrary, vibration is a kind of energy and the actuator is an energy converter. Then the idea of utilizing the vibrating energy and regenerating it to electric power can lead to high cost saving and efficiency. A voice-coil motor is applied to the vibrating system to regenerate energy into a double voltage charging circuit. The energy is regenerated for high speed motion of the actuator. However, the damper has a dead zone causing higher harmonic disturbance to the system and the damping is very low. Then an electric resonant circuit is introduced between the actuator and the charging circuit. It is expected to reduce the nonlinear effect and to give an efficient damping force to the low amplitude vibration. To designing the resonant circuit, an optimal tuning condition is derived. But the designed resonant circuit is big and not practical. Finally PWM type step-up chopper is introduced between the actuator and charging circuit. The regenerative damper works very good while the vibrating energy is well regenerated.