【摘要】 研制了一种非接触超声传感埋弧焊焊缝跟踪系统。介绍了新型的超声波传感器的工作原理，在焊缝跟踪系统中引入了自调整比例因子Ｆｕｚｚｙ－Ｐ控制理论。在理论分析和试验的基础上，设计了焊缝跟踪Ｆｕｚｚｙ－Ｐ控制器的硬件及软件，提高了系统的响应速度和跟踪精度。更多还原

【Abstract】 One kind of the SAW seam tracking system with contactless ultrasonic sensor is presened.The working principle of a new ulrasonic sensor is explained.The Fuzzy-P control theory with Self-modulation scaling factor is applied in the seam tracking system.Based on the theoretical analysis and experiments,the hardware and software of the seam tracking Fuzzy-P controller are developed,which may significantly increase system’s respones speed and tracking precisition.更多还原