Patient flow modeling and optimal staffing for emergency departments: A Petri net approach

J Wang - IEEE Transactions on Computational Social Systems, 2022 - ieeexplore.ieee.org
Patient flow is the movement of patients through a healthcare facility. Over the past decades,
healthcare service providers have spent tremendous effort in optimizing patient flow and …

Time based deadlock prevention for Petri nets

H Boucheneb, K Barkaoui, Q **ng, KZ Wang, GY Liu… - Automatica, 2022 - Elsevier
This paper investigates the deadlock prevention problem for Petri nets (PN), in which the
control is performed by appropriately setting time constraints on transitions, in terms of firing …

Residuals-based fault diagnosis of industrial automation systems using timed and untimed Interpreted Petri nets

F Basile, L Ferrara - Control Engineering Practice, 2022 - Elsevier
The problem of detecting and isolating a fault using a discrete event model has received a
lot of attention over the last two decades. Indeed, industrial automated systems can be …

An Efficient Approach for Model-Checking Zeno Behaviors in Real-Time System Models Based on the Time Petri Net Formalism

R Hadjidj - IEEE Transactions on Automation Science and …, 2023 - ieeexplore.ieee.org
This work focuses on Real-time system models based on the Time Petri Net (TPN) formalism
and addresses a pathological aspect known to often affect models of Real-Time Systems …

A time Petri net with relaxed mixed semantics for schedulability analysis of flexible manufacturing systems

L Pan, B Yang, J Jiang, M Zhou - IEEE Access, 2020 - ieeexplore.ieee.org
Several semantics models are adopted by time Petri nets for different applications. Yet they
have some limitations on schedulability analysis of flexible manufacturing systems. The …

Validation of industrial automation systems using a timed model of system requirements

F Basile, L Ferrara - IEEE Transactions on Control Systems …, 2022 - ieeexplore.ieee.org
Validation of industrial automation systems is the process of checking that commissioner
requirements are successfully implemented. Formal approaches are needed when the …

Stubborn sets for time Petri nets

H Boucheneb, K Barkaoui - ACM Transactions on Embedded Computing …, 2015 - dl.acm.org
The main limitation of the verification approaches based on state enumeration is the state
explosion problem. The partial order reduction techniques aim at attenuating this problem by …

Decidable classes of unbounded Petri nets with time and urgency

S Akshay, B Genest, L Hélouët - Application and Theory of Petri Nets and …, 2016 - Springer
Adding real time information to Petri net models often leads to undecidability of classical
verification problems such as reachability and boundedness. For instance, models such as …

[HTML][HTML] Towards modelling and analyzing timed workflow systems with complex synchronizations

A Hamdani, A Abdelli - Journal of King Saud University-Computer and …, 2020 - Elsevier
Nowadays, workflow systems are becoming very complex, involving time constraints,
priorities on tasks as well as elaborated synchronization schemes. As a result, the …

Healthcare patient flow modeling and analysis with timed Petri nets

J Wang - Advances in Computing, Informatics, Networking and …, 2022 - Springer
Patients moving though a healthcare facility to receive medical service form patient flow.
Optimizing patient flow is crucial to improving the efficiency of healthcare practice, providing …