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SIMLOX
Introduction
Systecon proudly announces the release of SIMLOX - (SIMulating LOgistiX) SIMLOX is a discrete event simulation model developed mainly as an extension to OPUS10. In many situations it is not accurate enough to measure only mean values. The dynamic behaviour as well as the overall variance of the effectiveness might be more interesting. SIMLOX has been developed to give those answers. Although SIMLOX is a separate product it is recommended as a complement
to OPUS10. It is fully compatible with OPUS10 version 5 and is using the
same basic data structure. Through event
based Monte-Carlo technique SIMLOX simulates the operation and
maintenance logistics, and their interactions, for any technical system
enabling a total capability assessment of that system. SIMLOX
supplements the OPUS10 model and uses the same data and definitions with
a simple and easy to use data import utility. SIMLOX analyses the OPUS10
scenario with major extension to cover: Variable
system utilization over time through explicitly given mission profiles Maintenance
resources and constraints Damages Cannibalization/robbing Non critical
and critical failures Deferred
maintenance and repair System
variants Batched
transport Transfer of
systems, items and resources Mission
prioritization Use of SIMLOX and OPUS10 It is normal
to use OPUS10 first to: 1.
Compare different alternatives 2.
Generate optimum spares allocations/assortments 3.
Generate optimal repair location 4.
Select cost-effective solution Then
use
SIMLOX to: a)
Apply detailed mission data and study the impact of a dynamic
mission profile b)
Apply data for the model extensions such as robbing and study the
effects on system availability c)
Run selected stock allocation point d)
Analyze the impact of the time dimension e)
Compare system Measure of Effectiveness (MoE) with requirements This approach enables the advantages of both models to be felt. The OPUS10
advantages are: à
OPUS10 optimizes,
SIMLOX analyses à
A complete C/E curve à
Life support cost
(LSC) calculations à
Can compare
different strategies in a simple cost-effective way à
Very fast The SIMLOX
advantages are: à
SIMLOX is time
dynamic. OPUS10 is steady state à
More detailed system
MoE including percentiles à
Detailed mission
profiles à
Cancel missions if
minimum assets not available à
State dependent
activities à
Many mission types à Ability to track resources and spares through the simulation
Figure 1: The SIMLOX user interface has many similarities with the powerful OPUS10 interface. The SIMLOX
results are similar to OPUS10 but there are a number of differences: Lower
efficiency due to aspects such as maintenance resource availability,
batched transports, damages and utilization varying over time Higher
efficiency due to aspects such as cannibalization, robbing, loans
between bases and repair prioritization SIMLOX is
thus a tool that can enable capability assessment and to analyze if
requirements cam be met or to formalize those requirements. Examples of
typical requirements that can be considered are: 1.
The total mission time should exceed X number of hours 2.
The number of aircraft on ground should not exceed Y in any 24
hour period with a confidence of 90% Technical information
à Commercially available off the shelf à Microsoft Windows compatibility à Developed in C++ à
ODBC interfaces à
Graphical results
capability à
Commonality of form
based data input with OPUS10 à
Extensive data
checking à
Reuse of OPUS10 data à
Use of OPUS10
results – stock allocation table à
Comprehensive help
facility à
Comprehensive
documentation à
Fully supported à
Long term
development program in consultation with our customers The flow of
data and results through the models can be summarized as: à
OPUS10 input and
output data are imported into the SIMLOX input database à
SIMLOX unique data
such as mission related information is added either via the editor or
imported from an external database à
Data is then checked
for validity and consistency à
Simulation runs à
Output to a results
database for viewing via the editor or graphics utility
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