【摘要】 主要介绍了基于CPLD/FPGA的P I控制器以及PWM驱动的实现,并根据该伺服控制系统的特点与要求,用VHDL语言编写了带符号位的乘法器、加法器等运算器,用这些运算器实现的P I控制器应用于伺服系统,基本满足了焊缝跟踪系统对伺服系统的要求。更多还原

【Abstract】 The paper presents PI arithmetic and PWM based on CPLD/FPGA .The PI controller programmed by VHDL consists of multipliers and adders ect.The mulitipliers and adders have signal bit which made the PI controller be used in servo system of beam tracking well.更多还原