This paper deals with part sequencing and optimal robot moves sequence in 2-machine robotic cells according to Petri net graph. We have assumed that the robotic cell is capable of producing same and different parts. W...This paper deals with part sequencing and optimal robot moves sequence in 2-machine robotic cells according to Petri net graph. We have assumed that the robotic cell is capable of producing same and different parts. We have considered a new motion cycle for robot moves sequence which is the development of existing motion cycles in 2-machine robotic cells. The main goal of this study is to minimize the cycle time by determining the optimal part sequencing and robot moves sequence in the robotic cell. So, we have proposed a model based on Petri network.展开更多
P2P(peer to peer)技术对网络资源的充分利用使得其越来越受到人们的关注,基于P2P的系统各自特点,Tapestry是优秀的结构化P2P系统之一,它可以实现与位置相关的资源共享。由于可以很容易的在其上面搭建一些P2P的应用,其应用广泛。采用比...P2P(peer to peer)技术对网络资源的充分利用使得其越来越受到人们的关注,基于P2P的系统各自特点,Tapestry是优秀的结构化P2P系统之一,它可以实现与位置相关的资源共享。由于可以很容易的在其上面搭建一些P2P的应用,其应用广泛。采用比排队论更精确的Petri网模型对其性能进行分析和评价。展开更多
针对局域内网单台计算机下载外网资源速度慢的问题,本文以Petri网为系统逻辑设计工具,提出一种基于P2P(Peer to Peer)分布式结构的外网带宽共享协议。该协议指定内网多台计算机在外网下载所需文件的不同片段,再由局域内网传输给任务发...针对局域内网单台计算机下载外网资源速度慢的问题,本文以Petri网为系统逻辑设计工具,提出一种基于P2P(Peer to Peer)分布式结构的外网带宽共享协议。该协议指定内网多台计算机在外网下载所需文件的不同片段,再由局域内网传输给任务发起者所属计算机进行原文件整合。协议充分利用多台计算机的并行下载能力以及局域内网的快速传输能力,从逻辑层面提高了单台计算机的下行带宽。本文进一步通过基于Petri网的可达标志图,S_不变量和流程图方法对协议的逻辑正确性和行为许可性进行了验证。展开更多
文摘This paper deals with part sequencing and optimal robot moves sequence in 2-machine robotic cells according to Petri net graph. We have assumed that the robotic cell is capable of producing same and different parts. We have considered a new motion cycle for robot moves sequence which is the development of existing motion cycles in 2-machine robotic cells. The main goal of this study is to minimize the cycle time by determining the optimal part sequencing and robot moves sequence in the robotic cell. So, we have proposed a model based on Petri network.
文摘P2P(peer to peer)技术对网络资源的充分利用使得其越来越受到人们的关注,基于P2P的系统各自特点,Tapestry是优秀的结构化P2P系统之一,它可以实现与位置相关的资源共享。由于可以很容易的在其上面搭建一些P2P的应用,其应用广泛。采用比排队论更精确的Petri网模型对其性能进行分析和评价。
文摘针对局域内网单台计算机下载外网资源速度慢的问题,本文以Petri网为系统逻辑设计工具,提出一种基于P2P(Peer to Peer)分布式结构的外网带宽共享协议。该协议指定内网多台计算机在外网下载所需文件的不同片段,再由局域内网传输给任务发起者所属计算机进行原文件整合。协议充分利用多台计算机的并行下载能力以及局域内网的快速传输能力,从逻辑层面提高了单台计算机的下行带宽。本文进一步通过基于Petri网的可达标志图,S_不变量和流程图方法对协议的逻辑正确性和行为许可性进行了验证。