文件大小:5.59MB 适用专业:电子技术 适用年级:大学 论文编号:40464 论文简介: 北京理工大学博士论文 车载变频器矢量控制
摘要
动和加速超车时需要电机有最大
转矩输出,本文讨论在逆变器容量一定和电池供电能力有限的情况下电机 最大转矩输出问题 ;推导了异步电机扩展降阶、离散卡尔曼滤波方程在线 辨识转子时间常数和转子磁通。用于实现高性能的矢量控制算法,并给出 了仿真结果;推导出了电动汽车恒转矩给定的闭环回馈制动系统,实现 了 电动控制模型和制动模型的统一,而且结合铅酸电池最大充电电流的要求, 为制动转矩在线给定建立了数学模型;设计了荃于双 DSP系统的高性能矢 量控制器软硬件框图,并以大量实验数据说明矢量控制在 电动汽车应用的 实际应用状况 。
在本论文中,对矢量控制算法应用于、车载变频器的各种关键因素做了 比较全面阐述,目的明确,针对性强。比较成功之处在于突出了车载电机 控制性能要求 (宽调速范围、最大转矩要求、能量回馈制动控制)在实际 中的实现 ,对 于实践具有较高的指导意义 。
关键词:非线性电机模型 离散卡尔曼滤波方程 回馈制动 最大转矩
论文文件预览: 共2文件夹,68个文件,文件总大小:5.59MB,压缩后大小:5.46MB
- 北京理工大学博士论文-车载变频器矢量控制
- 车载变频器矢量控制 北京理工大学博士论文
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