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李鹤岐, 李春旭, 高忠林, 王睿, 路广. 基于DSP-MCU实现焊接电源系统数字化控制的设计[J]. 焊接学报, 2005, (3): 17-20,24.
引用本文: 李鹤岐, 李春旭, 高忠林, 王睿, 路广. 基于DSP-MCU实现焊接电源系统数字化控制的设计[J]. 焊接学报, 2005, (3): 17-20,24.
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LI He-qi, LI Chun-xu, GAO Zhong-lin, WANG Rui, LU Guang. Investigation of digital controlling in welding power system based on DSP and MCU[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2005, (3): 17-20,24.
Citation: LI He-qi, LI Chun-xu, GAO Zhong-lin, WANG Rui, LU Guang. Investigation of digital controlling in welding power system based on DSP and MCU[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2005, (3): 17-20,24.
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基于DSP-MCU实现焊接电源系统数字化控制的设计

Investigation of digital controlling in welding power system based on DSP and MCU

    摘要
  • 摘要: 基于DSP-MCU实现焊接电源系统数字化控制的设计采用TMS320F240数字信号处理器和80C196KC单片机,设计成实现多功能IGBT逆变焊接电源双机控制系统。其中,TMS320F240主要用于焊接参数的采样、控制算法的运算,80C196KC用于完成人机接口的功能,包括键盘和显示,与上位机的通信等。设计中人机界面采用液晶显示。系统设计的关键是双机之间的通信技术,为了确保通信的可靠及快速性采用双口RAM(IDT7005)来完成。数字PWM控制单元采用复杂可编程逻辑器件(CPLD)完成,整个系统中所有逻辑控制也由此芯片来完成,设计完成的DSP-MCU双机控制系统实现了焊机的多功能全数字化控制。

     

    Abstract: A two processing controlling digital inverter welding power system was designed based on digital signal processor(DSP) and micro control unit(MCU) and its multi functions were achieved.DSP(TMS320F240) was mainly used in sampling welding parameters and calculating control algorithm,whereas MCU(80C196KC) was used in implementing interfaces including keyboard,display and communication.Liquid crystal display is adopted for man machine interaction.The key point of the design was the communication between DSP and MCU,therefore,a dual port RAM(IDT7005) was adopted to ensure its reliability and rapidity.Complex programmable logic device was used to realize digital pulsed width modulation.The results indicates that fully digital controlling of multi function welding machine was realized through DSP-MCU controlling system.

     

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