公开(公告)号：US20040036434A1

公开(公告)日：2004-02-26

申请号：US10449824

申请日：2003-05-30

申请人： Ballard Power Systems Corporation

发明人： Li Chen ,  Roy I. Davis ,  Stephen Stella ,  Tod R. Tesch

IPC分类号： H02P007/00

CPC分类号： H02P21/06 ,  B60K6/26 ,  H02P6/08 ,  H02P21/0089 ,  H02P21/22

摘要： A closed-loop permanent magnet motor control method and system optimally partitions torque and flux-weakening currents to produce a desired torque without exceeding the capability of the DC source. A maximum limit for allowable torque current and a minimum threshold for the maximum torque current are determined, and the flux current is varied based at least in part on whether the maximum torque current limit is above or below the minimum threshold while operating in a flux-weakening region to compensate for the variability of the DC source voltage.

摘要翻译： 闭环永磁电动机控制方法和系统最优地分配扭矩和弱磁电流以产生期望的转矩而不超过直流电源的能力。 确定允许转矩电流的最大极限和最大扭矩电流的最小阈值，并且至少部分地基于最大转矩电流极限是否高于或低于最小阈值来改变通量电流，同时在通量 - 弱化区域以补偿直流电源电压的变化。

公开(公告)号：US20040015255A1

公开(公告)日：2004-01-22

申请号：US10346553

申请日：2003-01-16

申请人： Ballard Power Systems Corporation

发明人： Roy I. Davis

IPC分类号： G06F019/00

CPC分类号： B61C3/00 ,  Y02T30/10

摘要： A process for the optimization of the design of an electric power train system comprising a plurality of subsystems including identifying a plurality of variables associated with the plurality of subsystems of the electric power train system, wherein the plurality of variables interact, applying a plurality of constraints associated with the plurality of subsystems of the electric power train system to the plurality of variables, and manipulating the plurality of variables such that the plurality of constraints are met. The process also including identifying a plurality of cost drivers associated with the plurality of subsystems of the electric power train system, determining a plurality of weighting functions, applying the plurality of weighting functions to the plurality of cost drivers to generate a plurality of weighted cost drivers associated with the plurality of subsystems of the electric power train system, and summing the plurality of weighted cost drivers to generate a performance index associated with the electric power train system. The process further including comparing a plurality of electric power train system designs utilizing a performance index associated with each, wherein a given electric power train system design with a relatively lower performance index has a relatively lower cost.

摘要翻译： 一种用于优化电力系统设计的方法，包括多个子系统，包括识别与所述电力系统系统的多个子系统相关联的多个变量，其中所述多个变量相互作用，应用多个约束 与所述电力系统系统的所述多个子系统相关联到所述多个变量，以及操纵所述多个变量，使得满足所述多个约束。 该过程还包括识别与电力系统系统的多个子系统相关联的多个成本驱动因素，确定多个加权函数，将多个加权函数应用于多个成本驱动器以产生多个加权成本驱动器 与所述电力系统的所述多个子系统相关联，并且将所述多个加权成本驱动器相加以生成与所述电力系统系统相关联的性能指标。 该方法还包括使用与每个相关联的性能指标来比较多个电力系统设计，其中具有相对较低性能指标的给定电力系统设计具有相对较低的成本。