Regeneration control for hybrid vehicle

Details Regeneration control for hybrid vehicle Regeneration control for hybrid vehicle

2006-04-25

2006-04-25

Ip, Paul (Department: 2837)

Electricity: motive power systems

Braking

Dynamic braking

C318S370000, C318S372000, C318S139000, C303S152000, C180S065230, C180S065510

Reexamination Certificate

active

07034482

ABSTRACT:
Disclosed is a control apparatus for a hybrid vehicle having an engine, a drive motor (3) that regenerates power, and an electric power storage device (6) that gives/receives power to/from the drive motor (3). The control apparatus includes power consumption means (2) for consuming power; a sensor (26, 27) that detects a state of charge of the electric power storage device; means (18, 23, 51) for detecting a driving state of the vehicle; and a controller (9). The controller (9) is programmed to calculate a chargeable energy amount Ecap in the electric power storage device (6) on the basis of a difference between a fully charged state of the electric power storage device and the detected state of charge; set a power |Pgen0| regenerated by the drive motor (3); calculate a chargeable power Pmax in the electric power storage device according to the detected state of charge; calculate a regenerated energy E resulting from regenerative braking from the detected driving state of the vehicle; calculate a charging power limit Pgenlmt according to the calculated regenerated energy E; and control the power consumption means (2) to consume a power equal to a difference between the power |Pgen0| regenerated by the drive motor (3) and the charging power limit |Pgenlmt| when the calculated regenerated energy E is greater than the chargeable energy amount Ecap in the electric power storage device and when the charging power limit |Pgenlmt| is smaller than the chargeable power |Pmax|.

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patent: 2005/0218717 (2005-10-01), Nishina et al.
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