Sprung- and unsprung-structure relative-velocity computing appar

Details Sprung- and unsprung-structure relative-velocity computing appar Sprung- and unsprung-structure relative-velocity computing appar

1997-05-21

1999-11-16

Zanelli, Michael J.

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Vehicle subsystem or accessory control

280 5515, B60G 17015

Patent

active

059873680

ABSTRACT:
A sprung structure is provided with an acceleration computing section. A damping force estimating section (16) of a relative velocity estimating section (12) estimates a damping force by reading information from a damping force characteristic storing section (14) in accordance with a valve opening degree instruction and the relative velocity between sprung and unsprung structures estimated in the last control cycle. An estimating and computing section 18 estimates the relative velocity between sprung and unsprung structures in accordance with the above acceleration and estimated damping force. A suspension system is controlled in accordance with the relative velocity.

REFERENCES:
patent: 4830397 (1989-05-01), Watanabe et al.
patent: 5360089 (1994-11-01), Nakamura et al.
patent: 5425436 (1995-06-01), Teramura et al.
patent: 5434782 (1995-07-01), Henry
patent: 5488556 (1996-01-01), Sasaki
patent: 5519612 (1996-05-01), Winkelman et al.
patent: 5810384 (1998-09-01), Iwasaki et al.
patent: 5890081 (1999-03-01), Sasaki
Patent Abstracts of Japan; JP 06-106937; Jul. 1994; vol. 018, No. 383 (M-1640).

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