Integrating discrete event simulation and data envelopment analysis for system performance and efficiency evaluation

R Khalid, MAM Mohamad Isa… - Journal of …, 2024 - Taylor & Francis
Healthcare facilities, particularly outpatient clinics, are crucial for local communities' medical
needs. To enhance their performance, these facilities need to optimize their operations. Key …

Optimal routing of pedestrian flow in a complex topological network with multiple entrances and exits

R Khalid, MKM Nawawi, LA Kawsar… - … Journal of Systems …, 2020 - Taylor & Francis
ABSTRACT A real-world topological network consists of multiple entrances along its source
nodes. Routing appropriate percentages of pedestrians from these entrances to the …

A discrete event simulation model for simulating and analyzing soy sauce production processes

NF Sakari, R Khalid, MKM Nawawi - AIP Conference Proceedings, 2023 - pubs.aip.org
Various factors, such as process bottlenecks, un-optimized production schedules and
imbalance employees' working time, can complicate production processes and operations …

Optimization based controlled evacuation

L Alahi Kawsar, N Abdul Ghani… - Journal of Intelligent …, 2019 - Taylor & Francis
Using the conservation of mass concept, a novel controlled flow methodology based on a
linear programing problem is developed for computing the optimal flow rates for a multi-exit …

Optimising pedestrian flow in a topological network using various pairwise speed-density models

R Khalid, MKM Nawawi, N Ishak… - Operations Research and …, 2023 - cejsh.icm.edu.pl
A speed-density model can be utilised to efficiently flow pedestrians in a network. However,
how each model measures and optimises the performance of the network is rarely reported …

[PDF][PDF] ON VARIANTS OF STATE-DEPENDENT QUEUEING SYSTEMS FOR EGRESS MODELLING

R Khalid, GK Janssens - International Journal on Information …, 2024 - researchgate.net
An M/G/c/c state dependent network is a quantitative model for replicating and analyzing the
behavior of occupants travelling through a network. The model, however, assumes that its …

Pathwise stability of multiclass queueing networks

K Wu, Y Shen - Discrete Event Dynamic Systems, 2021 - Springer
It has been shown that, under some service policies, a queueing network can be unstable
even if the load of every station is less than one. Although the stability of queueing systems …

[PDF][PDF] Analyzing and optimizing pedestrian flow through a single route in a topological network

R Khalid, MK Mohd Nawawi, MA Baten… - International Journal of …, 2018 - core.ac.uk
In emergency cases, people are typically recommended to use the shortest route to
minimize their travelling time. This recommendation may however not yield the optimal …