一种基于TMS320F2812的电动汽车电驱动系统  

A drive system based on TMS320F2812 in EV application

作　　者：张希明[1] 陈立铭[1] 倪光正[1] 

机构地区：[1]浙江大学电气工程学院,浙江杭州310027

出　　处：《机电工程》2008年第3期61-63,共3页Journal of Mechanical & Electrical Engineering

摘　　要：详细介绍了一种基于DSP TMS320F2812的电动汽车电驱动系统的设计方案。该方案中的硬件主要包括逆变器及其驱动电路,传感器、保护信号及接口电路,信号处理电路3大模块,并结合驱动电路,提出了一种简单易行的限流保护技术。在软件方面,主要强调了电流采样问题,研究了不同PWM控制对转矩的变化。实验表明,采用该方案,电动汽车运行安全可靠,而且可以有效地降低成本。The design method of a drive system was introduced based on DSP TMS320F2812 in electric vehicle （EV） application. The hardware mainly included inverter and its drive circuit, interfaces of sensors, signal processing circuit, and a simple current limiting protection was presented. And the problem of current sampling was stressed in the software. The influence of different PWM control for torque was studied. The research shows that EV runs with safety and realiability, and the design effectively reduces costs.

关 键 词：电动汽车电驱动系统 数字信号处理器 限流保护 电流采样 

分 类 号：U469.72[机械工程—车辆工程] TP276[交通运输工程—载运工具运用工程]