Vehicle state value detecting device

Details Vehicle state value detecting device Vehicle state value detecting device

2006-11-01

2010-11-02

Bugg, George A (Department: 2612)

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

C340S438000, C701S110000

Reexamination Certificate

active

07825786

ABSTRACT:
The vehicle state value detecting device includes a first low pass filter (32, 36) and a second low pass filter (33, 37) having a lower cutoff frequency than the first low pass filter. The device processes a detection signal of a sensor (10, 11) for a motion control of a vehicle such as a yaw rate sensor and a lateral G sensor by selectively using one of the two low pass filters. A signal selecting unit (35, 39) selects the output of the first low pass filter when the control process demands prompt detection of an abrupt changes in the behavior of the vehicle and the output of the second low pass filter when it is not the case and an enhanced stability of the control action has a priority.

REFERENCES:
patent: 7233847 (2007-06-01), Otsuka
patent: 2005/0222743 (2005-10-01), Otsuka
patent: 2006/0287785 (2006-12-01), DeCarlo et al.
patent: 6-278638 (1994-10-01), None
patent: 7-25257 (1995-01-01), None

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