| 摘要 |
PURPOSE:To secure a vibration isolating performance for low frequency vibrations when a car is in high speed running by furnishing a damping characteristic control means which controls the damping characteristics of each shock absorber on the basis of a control signal generated from the synthetic signal from a high frequency component signal and a low frequency component signal. CONSTITUTION:Using filters (d, e), a high frequency component signal and a low frequency component signal are taken out from the super-spring vertical speed signal sensed by a super-spring vertical speed sensing means (c). A damping characteristic control means (f) controls the damping characteristics of each shock absorber (b) on the basis of control signals generated from a synthetic signal of these high frequency and low frequency component signals. This achieves securing the vibration isolation for the low frequency vibration when the car is running at a high speed without causing an O-point drift of the super-spring vertical speed signal due to the low frequency component. |
