Real Time Energy Management Strategy for Hybrid Electric Powertrains

Paper #:
  • 2013-01-2396

Published:
  • 2013-09-24
DOI:
  • 10.4271/2013-01-2396
Citation:
Zaher, M. and Cetinkunt, S., "Real Time Energy Management Strategy for Hybrid Electric Powertrains," SAE Technical Paper 2013-01-2396, 2013, https://doi.org/10.4271/2013-01-2396.
Pages:
9
Abstract:
This paper focuses on embedded control of a hybrid powertrain concepts for mobile vehicle applications. Optimal robust control approach is used to develop a real time energy management strategy. The main idea is to store the normally wasted mechanical regenerative energy in energy storage devices for later usage. The regenerative energy recovery opportunity exists in any condition where the speed of motion is in the opposite direction to the applied force or torque. This is the case when the vehicle is braking, decelerating, the motion is driven by gravitational force, or load driven. A rule based control algorithm is developed and is tuned for different work cycles and might be linked to a gain scheduling algorithm. A gain scheduling algorithm identifies the cycle being performed by the work-machine and its position via GPS, and maps both of them to the gains.
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