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1.发明公开公开(公告)号：US20240313679A1
公开(公告)日：2024-09-19
申请号：US18122466
申请日：2023-03-16
Applicant: NXP USA, Inc.
Inventor： Michal Vidlak , Lukas Gorel , Tomas Kulig
CPC classification number: H02P21/0007 , H02P21/18 , H02P21/22 , H02P2207/05
Abstract: A method for Field Oriented Control (FOC) of a Permanent Magnet Synchronous Motor (PMSM) with a constant Power Factor Control (PFC) Loop includes measuring a rotor position of the PMSM. A plurality of stator voltages of the PMSM is controlled with a required direct (d)-axis current, a required quadrature (q)-axis current, the rotor position and a plurality of measured stator currents of the PMSM in a three-phase stationary reference frame. The required d-axis current is determined with a required power factor, the plurality of measured stator currents transformed into two-phase stationary reference frame, the measured stator currents transformed into a rotational reference frame, and each of a required α-axis voltage and a required β-axis voltage transformed into the two-phase stationary reference frame, wherein a power factor of the PMSM is controlled to be equal to the required power factor.
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2.发明授权公开(公告)号：US11575336B2
公开(公告)日：2023-02-07
申请号：US16428261
申请日：2019-05-31
Applicant: NXP USA, Inc.
Inventor： Matej Pacha , Simon Zossak , Lukas Gorel
Abstract: A method and apparatus are provided for controlling a sensorless multi-phase permanent magnet (PM) motor by sensing induced motor terminal voltages from the PM motor while the rotor is spinning, generating an input voltage vector signal from the plurality of induced motor terminal voltages, projecting the input voltage vector signal to a transformed voltage vector signal which does not include DC-offset components by using a Clarke transformation without a zero component that is applied to the input voltage vector signal, and estimating an initial rotor position of the rotor from the transformed voltage vector signal, wherein said sensing, projecting, and estimating are performed while a power converter for the sensorless multi-phase PM motor is disabled.
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3.发明申请公开(公告)号：US20200382035A1
公开(公告)日：2020-12-03
申请号：US16428261
申请日：2019-05-31
Applicant: NXP USA, Inc.
Inventor： Matej Pacha , Simon Zossak , Lukas Gorel
Abstract: A method and apparatus are provided for controlling a sensorless multi-phase permanent magnet (PM) motor by sensing induced motor terminal voltages from the PM motor while the rotor is spinning, generating an input voltage vector signal from the plurality of induced motor terminal voltages, projecting the input voltage vector signal to a transformed voltage vector signal which does not include DC-offset components by using a Clarke transformation without a zero component that is applied to the input voltage vector signal, and estimating an initial rotor position of the rotor from the transformed voltage vector signal, wherein said sensing, projecting, and estimating are performed while a power converter for the sensorless multi-phase PM motor is disabled.
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