轨迹控制系统在LED Molding机中的设计及实现

Design and Realization of Trajectory Control System in LED Molding Machine

针对LED Molding机的高速高精度轨迹控制要求,介绍一种轨迹控制器硬件结构与算法设计方法。此系统以TMS320F2812与OMAPTM3处理器为硬件基础。通过Matlab与CCS的直接目标生成功能,采用基于模型设计方法进行算法验证与调试。重点介绍平台软硬件结构和PVT插补算法的半实物仿真设计与实现。根据数学模型对机床伺服单元进行PID控制器设计,并采用半实物仿真对伺服单元进行PID参数整定,实现结果表明:基于模型设计方法可大大缩短了系统开发时间,与控制算法设计与调试时间。

Aiming at the high speed and high precision trajectory control requirements of LED Molding Machine, a trajectory controller hardware and algorithm design method is introduced. This system＇hardware base on TMS320F2812 and OMAPTM3 processor. Through the Matlab and CCS direct target generation capabilities, he algorithm based on model design is been used for verification and debug. Focuses on the hardware and software structure of the platform and PVT interpolation algorithm＇s design and implementation of semi--physical simula- tion, PID controller is designed for the machine, the semi--physical simulation results show that： the model design--based approach can greatly shorten the time of system development and debugging, as well as the algorithm parameters debug.