Method for operating a hybrid vehicle

Details Method for operating a hybrid vehicle Method for operating a hybrid vehicle

2011-06-28

2011-06-28

King, Bradley T (Department: 3657)

Fluid-pressure and analogous brake systems

Speed-controlled

Traction-motor vehicle

C303S152000

Reexamination Certificate

active

07967397

ABSTRACT:
A hybrid vehicle has an internal combustion engine and an electric motor, in which at least one electric motor converts kinetic energy into electricity in a generator mode and can provide a generator-created braking momentum MGor a respective braking power PG. When braking is requested with a target value MSollat a time t1, a total braking momentum M is provided according to the following formula:in-line-formulae description="In-line Formulae" end="lead"?MSoll=MG, ifMSoll≦MSchwellin-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?MSoll=MG+MF, ifMSoll>MSchwell.in-line-formulae description="In-line Formulae" end="tail"?A value MOffset>0 is selected for the braking momentum MGat the time t1, wherein MF>0 is a braking momentum provided by a vehicle brake or when braking is requested with a target value PSollat a time t1, the vehicle is provided with a total braking power P according to the following formula:in-line-formulae description="In-line Formulae" end="lead"?PSoll=PG, ifPSoll≦PSchwellin-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?PSoll=PG+PF, ifPSoll>PSchwell.in-line-formulae description="In-line Formulae" end="tail"?A value POffset>0 is selected for the braking power PGat the time T1, wherein PF>0 is a braking power provided by the vehicle brakes.

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International Search Report and Written Opinion for International Application No. PCT/EP2005/005383 (8 pages), Sep. 26, 2005.

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