摘要
为解决传统自适应压力控制和PID压力控制下精密磨球机在磨球时出现的诸如响应时间长,控制精度不够高、机械振动过大等问题,将模糊控制技术应用到磨球机的压力控制中。开展了系统输入变量E、EC和输出变量SV模糊化分析,建立了3个模糊变量之间的关系,提出了基于DSP芯片的压力模糊控制方法,在Matlab软件的Simulink平台上对模糊控制系统性能进行了评价,并进行了在该模糊系统控制下的偏心和双自转式球体研磨加工试验。试验结果表明,该系统实现了快速响应,并且减少了系统振动,提高了压力控制的精度和球体研磨的效率。
In order to solve the problems that based on the traditional adaptive pressure control system and PID theory in eccentric and dual-rotation lapping machine for precision ball,such as long response time,low control accuracy,large system vibration,etc.,the fuzzy control strategy was investigated.After the analysis of blurring input variables（E,EC）and output variable（SV）,the relationship of three variables was established.A method of fuzzy pressure control system was presented based on DSP chip.The fuzzy control system was evaluated on the Simulink platform of Matlab,the lapping machine for precision ball with fuzzy control system was tested.The experimental results show that the design can shorten response time,reduce system vibration and improve control accuracy and machine efficiency.
出处
《机电工程》
CAS
2011年第1期111-114,共4页
Journal of Mechanical & Electrical Engineering
基金
浙江省自然科学基金资助项目(Y108685)
浙江省科技计划资助项目(2009C31019)
