@sh.add_function(dsp, outputs=['force_on_engine'])
def get_force_on_engine(ems_data):
"""
Returns the phases when engine is on because parallel mode is forced [-].
:param ems_data:
EMS decision data.
:type ems_data: dict
:return:
Phases when engine is on because parallel mode is forced [-].
:rtype: numpy.array
"""
return ems_data['force_on_engine']