基于Petri网的多剪多冲加工工艺建模及算法研究

doi:10.16731/j.cnki.1671-3133.2018.09.007

现代制造工程 ›› 2018, Vol. 456 ›› Issue (9): 31-37.doi: 10.16731/j.cnki.1671-3133.2018.09.007

基于Petri网的多剪多冲加工工艺建模及算法研究

卢永焰, 吴庭筠, 黎达成, 吴文强, 陶建华

广州大学机械与电气工程学院,广州 510006

收稿日期:2017-02-06 出版日期:2018-09-20 发布日期:2018-09-27
作者简介:卢永焰,硕士研究生,研究方向为数字化设计与制造。吴庭筠,硕士研究生,研究方向为先进制造技术。黎达成,硕士研究生,研究方向为机电一体化。吴文强,博士,讲师,研究方向为机器人机械学、机器人控制及机器人机构。陶建华,通信作者,硕士,副教授,高级工程师,研究方向为机电一体化、先进制造技术,以及数字化制造技术等。E-mail:1253583492@qq.com
基金资助:
国家自然科学基金项目(51505092);广东省科技计划项目(2014A010104017);广州市科技攻关项目(2013J4300009)

Modeling and algorithm research on machining process of multi-shear and multi-punch base on Petri nets

Lu Yongyan, Wu Tingyun, Li Dacheng, Wu Wenqiang, Tao Jianhua

School of Mechanical and Electric Engineering,Guangzhou University,Guangzhou 510006,China

Received:2017-02-06 Online:2018-09-20 Published:2018-09-27

摘要/Abstract

摘要： 针对目前硅钢片数控横剪线存在的问题,以实现多剪多冲、系统柔性化,以及降低人员编程量和劳动强度等为目的,对多剪多冲数控横剪线进行研究。分析横剪线的机械结构与工艺流程,给出多剪多冲的定义;以时间Petri网为理论基础建立TPN模型,分析其内部存在的并发、冲突等关系;建立以加工工步最少、送料轴移动总距离最少,以及退料最少为优化目标的数学模型,利用横剪线的并行性,安排多工步加工的有序n元组;给出系统总体算法流程,重点对计算和优化部分进行算法设计;最后通过实例验证多剪多冲数控横剪线加工模型的可行性和有效性。

关键词: 多剪, 多冲, 横剪线, 算法研究

Abstract: Aiming at the problems existing in the CNC transverse shear line of silicon steel sheet,a multi-shear and multi-punch CNC transverse shear line research is carried out for the purpose of realizing multi-shear and multi-punching,flexible system,reducing programming quantity and labor intensity.The mechanical structure and process flow of transverse shear line are analyzed,and the definition of multi-shear and multi-punch is given.The TPN model is established based on the time Petri net,and the relationship of concurrency and conflict is analyzed.The mathematical model with least process step,minimum total moving distance of feed axis and minimum return material is set up,the ordered n-tuple of the multi-step machining is arranged by the parallelism of the transverse shear line.The overall algorithm flow is given,with emphasis on the design and calculation of the algorithm.Finally,an example is given to demonstrate the feasibility and effectiveness of the multi-shear and multi-punch CNC transverse shear line machining model.

Key words: multi-shear, multi-punch, transverse shear line, algorithm research

中图分类号:

TP278

卢永焰, 吴庭筠, 黎达成, 吴文强, 陶建华. 基于Petri网的多剪多冲加工工艺建模及算法研究[J]. 现代制造工程, 2018, 456(9): 31-37.

Lu Yongyan, Wu Tingyun, Li Dacheng, Wu Wenqiang, Tao Jianhua. Modeling and algorithm research on machining process of multi-shear and multi-punch base on Petri nets[J]. Modern Manufacturing Engineering, 2018, 456(9): 31-37.

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基于Petri网的多剪多冲加工工艺建模及算法研究

Modeling and algorithm research on machining process of multi-shear and multi-punch base on Petri nets

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