1、 摘摘 要要 无刷直流电机具有高速度、高效率、高动态响应、高热容量和高可靠性等优 点的同时，还具有低噪声和长寿命等特点。在计算机系统、家用电器、工业、交 通工具、医疗机械等领域有广泛应用。目前国内对无刷直流电机的研究以及成为 了重要的课题。DSP 是在数字信号处理的各种理论和算法的基础上发展起来的， 对于完成各种实时数字信息处理。在无刷直流控制系统中引入 DSP 技术，对采集 的信号直接进行实时处理，提高了系统控制放入自动化程度、精确和可靠性。本 文研究的主要内容是基于 DSP 的无刷直流电机控制系统的研究与设计， 实现全数 字化双闭环控制系统。论文主要研究了无刷直流电机的控制眼里，给出了系统
2、的 整体方案，设计了硬件电路，编写了软件程序。 关键词关键词: :无刷直流电机；PIC 单片机；控制系统；位置传感器 AbstractAbstract BLDC has advantages of high speed,high efficiebncy,high dynamic response,high temperature bearing capacity and reliability. It also behaves a long life and low noise characteristics. There are extensive applications in many
3、field, such as computer system,electrical house appliances, Industry,traffic and the medical equipment and so on. The research of brushless DC motor is an important topic now in china, DSP is developing in the foundation of variable theories and arithmetic,used for completing real-time digital infor
4、mation processing.Bringing the DSP technique to the brushless DC motor control system makes the collected signal directly carried on in real time and improves the autormation degree,the accuracy and the credibility of the control system. The thesis studied and designed the brushless DC motor control system based on DSP.It realized fully digital-controlled and double closed-loop control system. The thesis mainly discusses and control principle of the brushless DC motor,gives the whole plan of
