Title:
SUSPENSION CONTROL DEVICE
Document Type and Number:
Japanese Patent JPS62122811
Kind Code:
A
Abstract:
PURPOSE:To make it possible to restrain vibration having a cycle period around the cycle period of the nonsuspended section of a vehicle upon resonance, by making the characteristics of suspension hard when the detected level of the vehicle exceeds a predetermined value and the cycle period of variation in the vehicle level falls in a predetermined range including the cycle period of the nonsuspended section of the vehicle upon resonance. CONSTITUTION:A vehicle level detecting means M1 delivers a detected vehicle level to a vehicle level judging means M3 and a vehicle level variation cycle period judging means M4. When the judging means M3 determines that the vehicle level M1 exceeds a predetermined value and further the judging means M4 determines that the cycle period of variation in the level of the vehicle falls in a predetermined range including the cycle period of the nonsuspended section of the vehicle upon resonance, the result thereof is delivered to a control means M5. Then, the control means M5 delivers a control signal in accordance with the result of the determination to a suspension characteristic changing means M2 to make the characteristic of suspension hard. With this arrangement, vibration having a cycle period around the cycle period of the nonsuspended section of the vehicle upon resonance may be restrained.
Inventors:
TAKEMA SHUICHI
ONUMA TOSHIO
OHASHI KAORU
ITO MASAMI
ONUMA TOSHIO
OHASHI KAORU
ITO MASAMI
Application Number:
JP26355685A
Publication Date:
June 04, 1987
Filing Date:
November 22, 1985
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
B60G17/00; B60G17/015; B60G17/0165; B60G21/055; (IPC1-7): B60G17/00
Domestic Patent References:
| JPS60151108A | 1985-08-09 | |||
| JPS6137514A | 1986-02-22 |
Attorney, Agent or Firm:
Adachi Tsutomu