Title:
SUSPENSION CONTROL DEVICE
Document Type and Number:
Japanese Patent JPS611519
Kind Code:
A
Abstract:
PURPOSE:To improve the comfortableness to drive a three-step damping force variable car and its operating stability by determining running and road surface states from upper and lower oscillation acceleration, steering, and car speed signals in a suspension for the car and controlling them according to the size of the upper and lower oscillation acceleration signal. CONSTITUTION:An upper and lower oscillation acceleration signal G is input to a logic circuit 8 through a low pass filter 4, comparator 5, and delay circuit 6 and processed and a steering signal S is input to it through a delay circuit 7 and processed and then a car speed signal V is input directly to it. Road surface and running states are determined, 8-step environmental conditions are combined and determined, hard H, normal N, or soft S signals are output, and then a damper 16 is controlled in three steps through an actuator 15. In other words, when the upper and lower oscillation acceleration signal is low, the damper is controlled to the N or H and when it is high, the damper is controlled to the S or N. As a result of this structure, damping force can be controlled according to the running and road surface states, laying stress on the comfortableness to drive a three- step damping force variable car and its operating stability.
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Inventors:
MATSUURA KAZUO
INAGAKI HIROMI
INAGAKI HIROMI
Application Number:
JP12260884A
Publication Date:
January 07, 1986
Filing Date:
June 13, 1984
Export Citation:
Assignee:
HONDA MOTOR CO LTD
International Classes:
B60G17/06; B60G17/015; (IPC1-7): B60G17/06
Attorney, Agent or Firm:
Yoichiro Shimoda
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