Petri nets and automatic control: A historical perspective

A Giua, M Silva - Annual Reviews in Control, 2018 - Elsevier
The goal of this paper is to overview the historical development of the field of Petri nets
(PNs) from a Systems Theory and Automatic Control perspective. It is intentionally not meant …

Scheduling cluster tools in semiconductor manufacturing: Recent advances and challenges

CR Pan, MC Zhou, Y Qiao… - IEEE transactions on …, 2017 - ieeexplore.ieee.org
Cluster tools are automated robotic manufacturing systems containing multiple computer-
controlled process modules. They have been increasingly used for wafer fabrication. This …

Petri net modeling and cycle-time analysis of dual-arm cluster tools with wafer revisiting

NQ Wu, F Chu, C Chu, MC Zhou - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
There are wafer fabrication processes in cluster tools that require wafer revisiting. If a swap
strategy is applied to dual-arm cluster tools handling wafer revisiting, a three-wafer …

Optimal one-wafer cyclic scheduling and buffer space configuration for single-arm multicluster tools with linear topology

L Bai, N Wu, Z Li, MC Zhou - IEEE Transactions on Systems …, 2016 - ieeexplore.ieee.org
This work studies the scheduling problem of a single-arm multicluster tool with a linear
topology and process-bound bottleneck individual tool. The objective is to find a one-wafer …

Scheduling of single-arm cluster tools for an atomic layer deposition process with residency time constraints

FJ Yang, NQ Wu, Y Qiao, MC Zhou… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
In semiconductor manufacturing, there are wafer fabrication processes with wafer revisiting.
Some of them must meet wafer residency time constraints. Taking atomic layer deposition …

Polynomial approach to optimal one-wafer cyclic scheduling of treelike hybrid multi-cluster tools via Petri nets

F Yang, N Wu, Y Qiao, R Su - IEEE/CAA Journal of Automatica …, 2017 - ieeexplore.ieee.org
A treelike hybrid multi-cluster tool is composed of both single-arm and dual-arm cluster tools
with a treelike topology. Scheduling such a tool is challenging. For a hybrid treelike multi …

Petri net modeling and scheduling of a close-down process for time-constrained single-arm cluster tools

QH Zhu, MC Zhou, Y Qiao… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
In wafer fabrication, a robotic cluster tool is required to be closed down in order for
engineers to perform its on-demand and preventive maintenance and switch between …

A closed-form solution for schedulability and optimal scheduling of dual-arm cluster tools with wafer residency time constraint based on steady schedule analysis

NQ Wu, MC Zhou - IEEE Transactions on Automation Science …, 2009 - ieeexplore.ieee.org
Because of wafer residency time constraints for cluster tools, it is very difficult to schedule
them. This paper addresses their scheduling issues and conducts their schedulability and …

Optimal scheduling of multicluster tools with constant robot moving times, part I: Two-cluster analysis

WKV Chan, J Yi, S Ding - IEEE Transactions on Automation …, 2010 - ieeexplore.ieee.org
In semiconductor manufacturing, finding an efficient way for scheduling a multicluster tool is
critical for productivity improvement and cost reduction. This two-part paper analyzes optimal …

Noncyclic scheduling of cluster tools with a branch and bound algorithm

HJ Kim, JH Lee, TE Lee - IEEE Transactions on Automation …, 2013 - ieeexplore.ieee.org
Cluster tools, each of which consists of multiple processing modules, one material handling
robot, and loadlocks, are widely used for wafer fabrication processes, such as lithography …