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US07923953B2 Linearity for field weakening in an interior permanent magnet machine 有权
内部永久磁铁机械场弱化的线性度

Linearity for field weakening in an interior permanent magnet machine
Abstract:
Systems and methods are disclosed to provide torque linearity in the field-weakening region for an electric (e.g., IPM) machine. The systems and methods implement a field weakening and a torque linearity control loop for linearizing torque generated by an electric machine. As a result, torque linearity is maintained when the electric machine operates in the field weakening region.
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