Methods, systems, and apparatuses for driveline load management

A method, comprising:

• interpreting a powertrain load variation amplitude and an internal combustion engine output profile;
• determining an engine output differential in response to the powertrain load variation amplitude and the internal combustion engine output profile;
• and
• providing one of an energy accumulator sizing parameter and an alternate motive power provider sizing parameter in response to the engine output differential.

An apparatus, comprising:

• a duty cycle description module structured to interpret a powertrain load variation amplitude and an internal combustion engine output profile;
• an optimization opportunity module structured to determine an engine output differential in response to the powertrain load variation amplitude and the internal combustion engine output profile;
• and
• a hybrid planning module structured to provide one of an energy accumulator sizing parameter and an alternate motive power provider sizing parameter in response to the engine output differential.

A system, comprising:

• a controller structured to:
• interpret an internal combustion engine performance definition;
• perform a frequency component analysis of a load description of a motive power system including the internal combustion engine to interpret a powertrain load variation amplitude for the motive power system;
• determine an engine output differential in response to the powertrain load variation amplitude and the internal combustion engine performance definition;
• and
• provide an energy accumulator sizing parameter in response to the engine output differential;
• and
• a vehicle motively coupled to the motive power system, the motive power system including a non-combustion motive power source coupled to an energy accumulator, the energy accumulator sized in response to the energy accumulator sizing parameter.