Varying flux versus torque for maximum efficiency
    1.
    发明授权
    Varying flux versus torque for maximum efficiency 有权
    变化的通量与扭矩的最大效率

    公开(公告)号:US07847501B2

    公开(公告)日:2010-12-07

    申请号:US12044426

    申请日:2008-03-07

    IPC分类号: H02P7/00

    摘要: A motor in an electric vehicle can be controlled by receiving a torque command value, calculating a first flux value corresponding to a determinable efficiency of the electric vehicle at the torque command value, calculating a first torque-producing current value as a function of the torque command value and of the first flux value, and using the first flux value and the first torque-producing current value to control the motor to propel the electric vehicle.

    摘要翻译: 可以通过接收转矩指令值来控制电动车辆中的电动机,根据转矩指令值计算与电动车辆的可确定效率对应的第一磁通值,计算作为转矩的函数的第一转矩产生电流值 指令值和第一磁通值,并且使用第一磁通值和第一转矩产生电流值来控制电动机以推进电动车辆。

    TRACTION MOTOR CONTROLLER WITH DISSIPATION MODE
    2.
    发明申请
    TRACTION MOTOR CONTROLLER WITH DISSIPATION MODE 有权
    牵引电机控制器

    公开(公告)号:US20130002173A1

    公开(公告)日:2013-01-03

    申请号:US13172786

    申请日:2011-06-29

    IPC分类号: H02P21/14

    摘要: An apparatus in an electric vehicle including a propulsion electric motor powered by energy from an energy storage system, including a field oriented motor controller generating motor control signals for the electric motor, the motor control signals responsive to a flux command signal and a torque command signal; a torque command calculator, coupled to the motor controller, generating the torque command signal to command a desired torque; an optimal efficiency controller, coupled to the torque command calculator, generating an operating efficiency flux to operate the electric motor at a first determinable efficiency using a first power from the energy storage system while providing the desired torque; an excess dissipation controller generating an inefficient flux to operate the electric motor at a second determinable efficiency using a second power from the energy storage system independent of the desired torque wherein the second power is greater than the first power; and a mode controller setting the flux command signal using one of the optimal efficiency flux and the inefficient flux.

    摘要翻译: 一种电动车辆中的装置,包括由能量存储系统的能量供电的推进电动机,包括对电动机产生电动机控制信号的场定向电动机控制器,响应于通量指令信号的电动机控制信号和转矩指令信号 ; 扭矩指令计算器,耦合到所述电动机控制器,产生所述转矩指令信号以指令期望的转矩; 耦合到所述转矩指令计算器的最佳效率控制器,在提供期望转矩的同时,使用来自所述能量存储系统的第一功率以第一可确定的效率产生操作所述电动机的操作效率通量; 多余的耗散控制器产生低效率的通量,以使用来自能量存储系统的第二功率以第二可确定的效率来操作,独立于期望的转矩,其中第二功率大于第一功率; 以及模式控制器,其使用最佳效率通量和低效通量之一设定通量指令信号。

    Traction motor controller with dissipation mode
    3.
    发明授权
    Traction motor controller with dissipation mode 有权
    牵引电机控制器带散热模式

    公开(公告)号:US08970147B2

    公开(公告)日:2015-03-03

    申请号:US13172786

    申请日:2011-06-29

    摘要: An apparatus in an electric vehicle including a propulsion electric motor powered by energy from an energy storage system, including a field oriented motor controller generating motor control signals for the electric motor, the motor control signals responsive to a flux command signal and a torque command signal; a torque command calculator, coupled to the motor controller, generating the torque command signal to command a desired torque; an optimal efficiency controller, coupled to the torque command calculator, generating an operating efficiency flux to operate the electric motor at a first determinable efficiency using a first power from the energy storage system while providing the desired torque; an excess dissipation controller generating an inefficient flux to operate the electric motor at a second determinable efficiency using a second power from the energy storage system independent of the desired torque wherein the second power is greater than the first power; and a mode controller setting the flux command signal using one of the optimal efficiency flux and the inefficient flux.

    摘要翻译: 一种电动车辆中的装置,包括由能量存储系统的能量供电的推进电动机,包括对电动机产生电动机控制信号的场定向电动机控制器,响应于通量指令信号的电动机控制信号和转矩指令信号 ; 扭矩指令计算器,耦合到所述电动机控制器,产生所述转矩指令信号以指令期望的转矩; 耦合到所述转矩指令计算器的最佳效率控制器,在提供期望转矩的同时,使用来自所述能量存储系统的第一功率以第一可确定的效率产生操作所述电动机的操作效率通量; 多余的耗散控制器产生低效率的通量,以使用来自能量存储系统的第二功率以第二可确定的效率来操作,独立于期望的转矩,其中第二功率大于第一功率; 以及模式控制器,其使用最佳效率通量和低效通量之一设定通量指令信号。

    Rotor temperature estimation and motor control torque limiting for vector-controlled AC induction motors
    4.
    发明授权
    Rotor temperature estimation and motor control torque limiting for vector-controlled AC induction motors 有权
    用于矢量控制的交流感应电机的转子温度估算和电机控制转矩限制

    公开(公告)号:US08773058B2

    公开(公告)日:2014-07-08

    申请号:US13179472

    申请日:2011-07-08

    IPC分类号: H02P29/02 H02H7/085

    摘要: A system and method including a runtime thermal model that estimates individual component temperatures, permitting the system to only limit power when necessary or desirable. A power-limiting system for a vector-controlled AC induction motor includes a torque command system for generating a torque command; a thermal protection system determining a runtime estimate for a temperature of a component of a rotational electro-magnetic component of the vector-controlled AC induction motor; and a controller configured to generate a motor control signal for the vector-controlled AC induction motor responsive to the torque command, wherein the thermal protection system determines the runtime estimate responsive to a multi-node thermal model of the vector-controlled AC induction motor, and wherein the controller limits a power of the vector-controlled AC induction motor to maintain a component temperature below its critical temperature.

    摘要翻译: 一种系统和方法,包括估计各个组件温度的运行时热模型,允许系统仅在必要或期望时限制功率。 用于矢量控制的AC感应电动机的功率限制系统包括用于产生转矩指令的转矩指令系统; 确定所述矢量控制的AC感应电动机的旋转电磁部件的部件的温度的运行时间估计的热保护系统; 以及控制器,被配置为响应于所述转矩指令而生成用于所述矢量控制的AC感应电动机的电动机控制信号,其中所述热保护系统响应于所述矢量控制的AC感应电动机的多节点热模型确定所述运行时间估计, 并且其中所述控制器限制所述矢量控制的AC感应电机的功率以将部件温度保持在其临界温度以下。

    Rotor Temperature Estimation and Motor Control Torque Limiting for Vector-Controlled AC Induction Motors
    5.
    发明申请
    Rotor Temperature Estimation and Motor Control Torque Limiting for Vector-Controlled AC Induction Motors 有权
    用于矢量控制的交流感应电动机的转子温度估计和电动机控制转矩限制

    公开(公告)号:US20120007532A1

    公开(公告)日:2012-01-12

    申请号:US13179472

    申请日:2011-07-08

    IPC分类号: H02H7/08

    摘要: A system and method including a runtime thermal model that estimates individual component temperatures, permitting the system to only limit power when necessary or desirable. A power-limiting system for a vector-controlled AC induction motor includes a torque command system for generating a torque command; a thermal protection system determining a runtime estimate for a temperature of a component of a rotational electro-magnetic component of the vector-controlled AC induction motor; and a controller configured to generate a motor control signal for the vector-controlled AC induction motor responsive to the torque command, wherein the thermal protection system determines the runtime estimate responsive to a multi-node thermal model of the vector-controlled AC induction motor, and wherein the controller limits a power of the vector-controlled AC induction motor to maintain a component temperature below its critical temperature.

    摘要翻译: 一种系统和方法,包括估计各个组件温度的运行时热模型,允许系统仅在必要或期望时限制功率。 用于矢量控制的AC感应电动机的功率限制系统包括用于产生转矩指令的转矩指令系统; 确定所述矢量控制的AC感应电动机的旋转电磁部件的部件的温度的运行时间估计的热保护系统; 以及控制器,被配置为响应于所述转矩指令而生成用于所述矢量控制的AC感应电动机的电动机控制信号,其中所述热保护系统响应于所述矢量控制的AC感应电动机的多节点热模型确定所述运行时间估计, 并且其中所述控制器限制所述矢量控制的AC感应电机的功率以将部件温度保持在其临界温度以下。