基于工步备刀的FMS刀具流死锁的研究
DOI: 10.3969/j.issn.1006-7043.2009.08.015
Keywords: 柔性制造系统 刀具流 死锁状态 死锁检测
Abstract:
针对为工步准备刀具的柔性制造系统中由于刀具资源竞争导致的死锁问题,采用图论方法进行了分析,建立了刀具流状态演变图,定义了机床阻塞,并由此给出了刀具流死锁的定义.建立了刀具资源分配图,描述了刀具流死锁与刀具资源分配图之间的内在联系,分析了刀具流死锁的相关特性,提出了刀具流死锁判定定理和刀具流死锁检测算法.实例表明该方法能够解决FMS中在工步备刀情况下的刀具流死锁问题,为进一步实现刀具流死锁避免奠定了技术基础.
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