Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Indication or control of braking – acceleration – or deceleration
Reexamination Certificate
2006-04-25
2006-04-25
Nguyen, Cuong (Department: 3661)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Indication or control of braking, acceleration, or deceleration
C701S073000, C701S080000, C180S410000, C180S421000, C180S422000, C180S443000, C180S446000, C303S148000, C303S189000
Reexamination Certificate
active
07035726
ABSTRACT:
A steering characteristic control apparatus and method for a vehicle is disclosed which can carry out behavior control of the vehicle regarding a steering characteristic and so forth appropriately in accordance with the type of turning and the road surface situation. To this end, if the steering characteristic of the vehicle is placed into an oversteer or understeer state exceeding a reference level, then the control end condition when the steering characteristic is controlled to the neutral steer side by control of a braking mechanism is set in accordance with an estimated road surface μ state and the type of turning (steady turning or non-steady turning) of the vehicle. Upon steady turning, during traveling on a low μ road, it is set as the control end condition that the stability of the vehicle behavior is restored sufficiently, but during traveling on a high μ road, it is set as the condition that the stability of the vehicle behavior is restored to some degree so that the control can be ended rapidly. Upon non-steady turning, the condition is set such that the stability of the vehicle behavior is higher than that upon steady turning during traveling on a high μ road but lower than that upon steady turning during traveling on a low μ road.
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Mitsubishi Fuso Truck and Bus Corporation
Nguyen Cuong
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