Optimal Control of a Diesel-Electric Powertrain During an Up-Shift

Paper #:
  • 2016-01-1237

Published:
  • 2016-04-05
DOI:
  • 10.4271/2016-01-1237
Citation:
Nezhadali, V. and Eriksson, L., "Optimal Control of a Diesel-Electric Powertrain During an Up-Shift," SAE Technical Paper 2016-01-1237, 2016, doi:10.4271/2016-01-1237.
Pages:
7
Abstract:
To investigate the optimal controls of a diesel-electric powertrain during a torque controlled gearshift, a powertrain model is developed. A validated diesel-electric model is used as the power source and the transmission dynamics are described by different sets of differential equations during torque phase, synchronization phase and inertia phase of the gearshift. Using the developed model, multi-phase optimal control problems are formulated and solved. The trade-off between gearshift duration and driveline oscillations are calculated and efficient gearshift transients for a diesel-electric and pure diesel powertrain are then compared and analyzed.
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