Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Vehicle subsystem or accessory control
Patent
1998-09-17
2000-06-06
Chin, Gary
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Vehicle subsystem or accessory control
296190, 180 8912, 180 8913, 180 8916, B60G 17015
Patent
active
060730668
ABSTRACT:
In a suspension control apparatus and method for a cab over type truck having a plurality of shock absorbers, each shock absorber being interposed between a vehicle cab of the truck and a vehicle chassis of the truck and having a damping force characteristic varying member arranged so as to enable a variation in the damping force characteristic of its corresponding shock absorber in response to an input control signal, a first detector is provided for detecting a behavior of the vehicle cab and for developing a signal indicative of the behavior of the vehicle cab, a basic damping force characteristic controller is provided for developing the control signal to control the damping force characteristic of each shock absorber via the corresponding damping force characteristic varying member on the basis of the vehicle cab behavior indicative signal developed by the first detector, a second detector is provided for detecting a behavior of the cab over type truck of a vehicle trailer hauled by the vehicle chassis and for developing a signal indicative of the behavior of the vehicle trailer, and a corrective controller is provided for modifying a value of the control signal developed by the basic damping force characteristic controller so as to correct the control of the damping force characteristic carried out by the basic damping force characteristic controller on the basis of the vehicle trailer behavior indicative signal.
REFERENCES:
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patent: 5555501 (1996-09-01), Furihata et al.
patent: 5623410 (1997-04-01), Furihata et al.
patent: 5779009 (1998-07-01), Iwasaki
Chin Gary
Unisia Jecs Corporation
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