Hybrid vehicle drive for a motor vehicle

Details Hybrid vehicle drive for a motor vehicle Hybrid vehicle drive for a motor vehicle

1998-05-21

2000-08-15

Johnson, Brian L.

Motor vehicles

Power

Electric

180 653, B60K 600

Patent

active

06102144&

ABSTRACT:
A hybrid vehicle drive for a motor vehicle includes an internal combustion engine and an electric machine which is selectively coupled with the internal combustion engine. The electric machine can be operated as a generator and as a motor. Regulation device which responds to a reference signal predetermined by a reference signal preset device are provided for the active damping of vibrations, especially torsional vibrations in the torque transmission path between the internal combustion engine and wheels of the motor vehicle driven by the latter. The regulation device also respond to sensing device which deliver an actual-value vibration signal containing vibration information about a rotating structural component of the motor vehicle and control the load torque exerted on the internal combustion engine by the electric machine for reducing or eliminating the vibrations of the structural component. An analysis device for determining a frequency spectrum of the actual-value vibration signal is associated with the regulation device. The reference signal preset device establishes a reference signal with predetermined frequency spectrum. The regulation device control the frequency spectrum of the load torque exerted on the internal combustion engine by the electric machine such that excessive spectral vibrations of the actual-value vibration signal are reduced or eliminated.

REFERENCES:
patent: 5337866 (1994-08-01), Sturmer et al.
patent: 5438882 (1995-08-01), Karim-Panahi et al.
patent: 5755302 (1998-05-01), Lutz et al.
patent: 5881559 (1999-03-01), Kawamura
patent: 5909720 (1999-06-01), Yamaoka et al.
patent: 5934424 (1999-08-01), Hosek et al.
patent: 5984034 (1999-11-01), Morisawa et al.

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