A Parallel Hybrid Electric Drivetrain Layout with Torque-Fill Capability

Arash Mehdizadeh Gavgani; Timothy Bingham; Aldo Sorniotti; John Doherty; Carlo Cavallino; Marco Fracchia

doi:10.4271/2015-01-9108

This paper discusses the torque-fill capability of a novel hybrid electric drivetrain for a high-performance passenger car, originally equipped with a dual-clutch transmission system, driven by an internal combustion engine. The paper presents the simulation models of the two drivetrains, including examples of experimental validation during upshifts. An important functionality of the electric motor drive within the novel drivetrain is to provide torque-fill during gearshifts when the vehicle is engine-driven. A gearshift performance indicator is introduced in the paper, and the two drivetrain layouts are assessed in terms of gearshift quality performance for a range of maneuvers.

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A Parallel Hybrid Electric Drivetrain Layout with Torque-Fill Capability 2015-01-9108

SAE MOBILUS