Patent ID: 8055399
Filing Date: 2011-11-08
Classification: A01D,B60K,B60L,B60Y,H02P,Y02T

Abstract:
1. A utility vehicle comprising: a plurality of vehicle systems comprising a steering system, an accelerator system, a power system, a traction system, and an auxiliary system; a plurality of operator interfaces for operating the vehicle each associated with one of the plurality of vehicle systems; a plurality of sensors each associated with at least one of the plurality of vehicle systems; and an electric motor control system in communication with the plurality of vehicle systems, the plurality of operator interfaces, and the plurality of sensors; the fraction system comprising: the auxiliary system comprising: the electric motor control system comprising: an auxiliary controller in communication with the traction controller, the power system, and the AC PMSM electric auxiliary motor, wherein the auxiliary controller applies sensorless field oriented control to the AC PMSM electric auxiliary motor and controls the AC PMSM electric auxiliary motor via at least one DC control technique.