Convex modeling and sizing of electrically supercharged internal combustion engine powertrain
Artikel i vetenskaplig tidskrift, 2016

This paper investigates a concept of an electrically supercharged internal combustion engine powertrain. A supercharger consists of an electric motor and a compressor. It draws its power from an electric energy buffer (e.g., a battery) and helps the engine during short-duration high-power demands. Both the engine and the buffer are sized to reduce the sum of the vehicle operational (fuel) and component (engine and buffer) costs. For this purpose, a convex, driving cycle-based vehicle model is derived, enabling the formulation of an underlying optimization problem as a second order cone program. Such a program can be efficiently solved using dedicated numerical tools (for a given gear selection strategy), which provides not only the optimal engine/buffer sizes but also the optimal vehicle control and state trajectories (e.g., compressor power and buffer energy). Finally, the results obtained from a representative, numerical case study are discussed in detail.

energy management

vehicles

Compressors

optimal control

modeling

Författare

Sava Marinkov

Technische Universiteit Eindhoven

Nikolce Murgovski

Signaler och system, System- och reglerteknik, Mekatronik

Bram de Jager

Technische Universiteit Eindhoven

IEEE Transactions on Vehicular Technology

0018-9545 (ISSN)

Vol. 65 4523-4534

Drivkrafter

Hållbar utveckling

Styrkeområden

Transport

Energi

Ämneskategorier

Beräkningsmatematik

Reglerteknik

DOI

10.1109/TVT.2015.2510510