Position control with high speed and high precision is one of the most important research topics in modern manufacturing industry.A motion control card based on digital signal processing (DSP) was developed for implement accurate position control of multi-way motors.A multi-axis motion control card based on DSP was developed, and it was an experimental platform which integrated in one unity of teaching, application programming, research and development.The motion control card was designed based on TMS320F28335 as the core of control, and there were expanded plenty of function modules in its periphery system, such as the address decode module based on computer programmable logical device (CPLD), the encoder feedback module based on field programmable gate array (FPGA), the motor control module based on digital to analog converter (DAC), and so on.The system was of high completeness, reliability, scalability and maintainability.On basis of high-speed computational ability and motor orientated high efficient control ability in view of the TMS320F28335, the motion control algorithm was embedded, so accurate position control of motors could be fulfilled.Appling the motion control card in the course experiment, in the specialized design and in the graduation project and innovation activities of teaching in the machine-electronic engineering speciality, there is a significant improvement in the study interest and the practical ability in implement engineering projects of the students.%高速高精度的位置控制是现代制造业的重要研究课题之一,为了实现多路电机的精确位置控制,开发了一款基于DSP的多轴运动控制卡,这是集教学、应用编程、开发研究于一体的实验平台.运动控制卡以TMS320F28335为控制核心,又在其外围扩展了基于CPLD的地址译码模块、基于FPGA的编码器反馈模块、基于DAC的电机控制模块等丰富的外围设备,具有较高的完备性、可靠性、可扩展性以及可维护性.鉴于TMS320F28335的高速运算能力与面向电机的高效控制能力,在此基础上嵌入运动控制算法,能够实现精确的电机位置控制.将运动控制卡应用于机械电子工程专业的课程实验、专业设计、毕业设计及创新活动等教学环节中,能够有效提高学生的学习兴趣和完成实际工程项目的能力.
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