激光熔覆实验平台控制系统设计

发布时间：2018-01-16 05:04

本文关键词：激光熔覆实验平台控制系统设计　出处：《西安科技大学》2017年硕士论文　论文类型：学位论文

【摘要】：激光熔覆技术具有成形组织细小、成形零件性能优良等优点,在复杂零件制造、航空航天、霍件修复、武器和医疗器械制造等领域具有广阔的应用前景,提高激光熔覆伺服系统的控制精度,保证激光熔覆产品的成形质量,使激光熔覆技术在材料成形和机械制造等领域得到更好的应用成为研究热点。本文以激光熔覆实验平台为依托,通过伺服控制系统的优化实现对激光熔覆工艺过程的精确控制展开研究,主要工作如下:(1)分析PID控制、模糊控制以及模糊PID控制方法的特点,根据激光熔覆实验平台的技术特点提出伺服控制要求,在MATLAB的Simulink环境下对比模糊PID控制和PID控制的运动控制效果,完成交流伺服电机控制系统仿真和系统性能分析。(2)进行控制系统总体方案设计、交流伺服电机选型、驱动器选型、运动控制卡选型和PC机选型,完成驱动板和控控制板的硬件设计,拱建激光熔覆实验平台搭建并进行通讯连接。(3)进行交流伺服控制系统软件总体结构设计,运用VC++6.0软件完成控制系统软件设计,主要为上位机控制界面设计,下位机运动控制程序编写.(4)进行控制系统软硬件运行调试和激光熔覆实验,实验表明,模糊PID控制算法的运动控制精度高于PID和模糊控制。
[Abstract]:Laser cladding technology has many advantages, such as fine forming structure and good properties of forming parts. It has a broad application prospect in the fields of complex parts manufacturing, aerospace, repair of parts, weapons and medical equipment manufacturing and so on. The control precision of laser cladding servo system is improved to ensure the forming quality of laser cladding products. Laser cladding technology in the field of material forming and mechanical manufacturing has become a research hotspot. This paper based on the laser cladding experimental platform. Through the optimization of servo control system, the precise control of laser cladding process is studied. The main work is as follows: 1) analyze the characteristics of PID control, fuzzy control and fuzzy PID control method. According to the technical characteristics of laser cladding experiment platform, the servo control requirements are put forward, and the motion control effects of fuzzy PID control and PID control are compared under the Simulink environment of MATLAB. Complete AC servo motor control system simulation and system performance analysis of the overall design of the control system, AC servo motor selection, driver selection, motion control card selection and PC selection. The hardware design of the drive board and the control control board is completed, and the experimental platform of laser cladding is built and the communication connection is carried out. 3) the overall software structure of the AC servo control system is designed. Using VC 6.0 software to complete the control system software design, mainly for the upper computer control interface design. The software and hardware of the control system are operated and debugged and laser cladding experiments are carried out. The results show that the motion control accuracy of the fuzzy PID control algorithm is higher than that of PID and fuzzy control.
【学位授予单位】：西安科技大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TG665

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