DRAMA: A Simplified Spares Optimization Model

Abstract

This report describes the logic and operation of a simplified spares optimization model called DRAMA. The model has been used to better understand the relationship among availability, reliability, and spares investment levels for new weapons systems. Systems modeled by DRAMA include the LAMPS-Mark III, the SOTAS, and the XM-1. DRAMA is an analytic model that relates the availability of a weapon system to the cost of its spares. It is a model of a multi-item, multi-location, two-echelon supply system in which each item may be stocked at a depot and two or more similar bases. Item demands are assumed to be Poisson-distributed. DRAMA focuses on only one weapon system at a time, so users who are interested in modeling multiple weapon systems are referred to the LMI Aircraft Availability Model, of which DRAMA is a simplified version.

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Document Details

Document Type
Technical Report
Publication Date
Feb 01, 1980
Accession Number
ADA084103

Entities

People

  • John B. Abell
  • Rihcard Fabbro

Organizations

  • LMI

Tags

Communities of Interest

  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Aircrafts
  • Algorithms
  • Computers
  • Databases
  • End Items
  • Iterations
  • Lead Time
  • Logistics
  • Logistics Management
  • Operating Systems
  • Plastic Explosives
  • Probability
  • Procurement
  • Random Variables
  • Reliability
  • Shipping
  • Square Roots

Readers

  • Life Cycle Cost Analysis
  • Logistics and Supply Chain Management.