基于机床行为模型的恒负荷切削在线适应控制研究  

Online adaptive control with constant load cutting based on machine behavior model

作　　者：李茂月[1,2] 富宏亚[2] 韩振宇[2] 徐雳[1] 

机构地区：[1]哈尔滨理工大学机械动力工程学院,黑龙江哈尔滨150080 [2]哈尔滨工业大学机电工程学院,黑龙江哈尔滨150001

出　　处：《计算机集成制造系统》2013年第7期1585-1594,共10页Computer Integrated Manufacturing Systems

基　　金：国家自然科学基金资助项目(51205098);中国博士后科学基金资助项目(2013M531055)~~

摘　　要：为实现加工参数的在线检测和反馈控制,构建了模块化、开放式数控加工控制器。为实现控制器对加工过程参数的硬实时采集和适应控制,设计和开发了基于实时扩展环境的数控系统采集方案。为解决适应控制与插补控制线程的在线有效融合,利用层级式有限状态机技术对开放式数控系统进行了行为建模。为实现机床层级数控加工智能策略的有效集成,在控制器中建立了控制规律的通用框架结构。通过对台阶形铝合金工件进行的加工实验,验证了开放式数控系统恒负荷在线约束适应控制相关技术的正确性和优越性。To realize machining parameters＇online detection and feedback control,a Numerical Control（NC）machining controller with open and modularity was constructed.To realize machining processing parameters＇hard real time collection and adaptive control with controller,NC system acquisition scheme was designed and developed based on Real Time eXtension（RTX）environment.To solve the problem of online effective integration between adaptive and interpolation control thread,a behavior modeling was built with level type finite state machine technology for the open architecture NC system.To realize the effective integration of machine tool＇s NC machining intelligent strategies,ageneral frame structure for control law was built in controller.The relative technologies＇correctness and superiority of online constant load constrained adaptive control was verified by machining experiments with step type aluminum alloy work-piece.

关 键 词：在线适应控制 恒负荷切削 行为模型 数控系统 有限状态机 

分 类 号：TP273.2[自动化与计算机技术—检测技术与自动化装置]