毕业设计（论文）-电动车电气控制系统.docVIP

摘 要 石油资源的日益减少、大气环境的污染严重，让人们关注电动车。电气驱动是电动汽车的心脏，为了增加电动汽车的行驶里程，必须开发高功率密度、高效率、高可靠性以及价格合理的电气驱动系统。电控技术的进步是以无刷电机的成功应用为标志的时，控制器进入了快速发展的阶段，以微器（U）的广泛应用为主要特征，一批有较强的自主开发能力的电子技术企业迅速崛起。 完整版全套设计，联系 153893706 Abstract The dwindling oil resources, the pollution of the atmospheric environment seriously, make people pay more attention to electric vehicle. Electric driving is the heart of an electric car, in order to increase the electric vehicle mileage, a high power density, high efficiency, high reliability and reasonable price of electric drive system must be developed.朗读 显示对应的拉丁字符的拼音 ? 字典 - 查看字典详细内容 Electronic control technology is marked with brushless motor widely used successfully. At the same time, the controller enters a stage of rapid development, a microprocessor ( CPU ) is widely used as the main character, and a number of strong ability of independent development of the electronic technology industry rises quickly. This paper mainly studies the vehicle electrical control system witch consists of electronic controller, power converter, motor and other components. The electronic controller comprises a sensor, electrical connection circuit and the microprocessor, signal acquisition, conversion, transmission and processing; power converter for driving and braking. Embedded microprocessor can make electric car safety sail, and enhance the control performance. Here, the author used mainstream MCU STM8 products as the core, successfully designed the electrical control system; in software, designed a digital PID algorithm controller, constitutes a closed-loop system. The imitation device made by author, is good and stable operation by start, load and speed control, being a new practical control system. Keywords: Electrical drive; Brushless motor; PWM Technology; Electronic commutation; DC inverter technology 目 录引言 5 第一章 绪 论 6 1.1选题背景及研究意义 6 1.2研究步骤、方法 6 第二章 系统的方案理论分析 7 2.1无刷电机的组成 7 2.2直流无刷电机的控制原理 8 2.3转速、转矩计算 9 2.4三相直流无刷电动机的典型应用 12 2.4.1三相半控方式 12 2.4.2三相Y联结方式 12 2.3无刷电机对单片机资源预计