VIBRATION ISOLATION DEVICE FOR STORING VIBRATION ENERGY AS ELECTRICAL ENERGY AND OPERATING ACTIVE CONTROL

Title:

VIBRATION ISOLATION DEVICE FOR STORING VIBRATION ENERGY AS ELECTRICAL ENERGY AND OPERATING ACTIVE CONTROL

Document Type and Number:

Japanese Patent JP3943670

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To attain active vibrational control, without supplying energy from the outside part arranging each DC motor at an upper spring and a lower spring, adding vibration to the lower spring as disturbance, and operating the vibration proof the upper spring mass.
SOLUTION: A DC motor at a lower spring functions as a generator (energy regenerative damper) for generating electrical energy by using vibrational energy, and a DC motor at an upper spring functions as a servo motor (actuator) for operating active vibration control. The vibration energy regenerated by the energy regenerative damper is stored as electrical energy, and the actuator operates active control by using the voltage of a capacitor. Then, when the vibration energy is small, and a generated voltage is made lower than the voltage of the capacitor, currents are allowed to counter flow. At this time, the capacitor is separated from the electric circuit, and only a resistance is connected with the DC motor, so that the energy generative damper can function as a normal damper, and when the vibration energy is not stored, vibration proof is operated by the energy generative damper as a normal damper.

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Inventors:

Yoshihiro Suda
Shigeyuki Nakashiro
Kimihiko Nakano

Application Number:

JP26259197A

Publication Date:

July 11, 2007

Filing Date:

August 22, 1997

Export Citation:

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Assignee:

Yoshihiro Suda
MITSUBISHI HEAVY INDUSTRIES,LTD.

International Classes:

F16F15/02; G05D19/02; (IPC1-7): G05D19/02; F16F15/02

Domestic Patent References:

JP4149711A
JP62242153A
JP3066943A
JP4126614A
JP8014154A
JP4129815A
JP5131832A
JP8058334A

Attorney, Agent or Firm:

Shigemitsu Tanaka
Shin Ishikawa
Takehiko Suzue
Sadao Muramatsu
Ryo Hashimoto
Satoshi Kono
Tetsuya Kazama

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