Reducing the Cost of Risk-based Testing: Management of Testing Options to Manage Risk in Test and Evaluation

Abstract

In the acquisition or management of complex systems, testing is the means by which we trade budget or schedule for information about the likelihood our system will work correctly under operational load. Branch paths in hardware and software increase as a function of the number of components and interconnections, leading to exponential growth in the number of test cases required for exhaustive examination, or perfect knowledge, of a complex system. In practice, the typical cost for testing in schedule or in budget means that only a small fraction of these paths are investigated. In this work, we develop an abstract model to describe system testing and the information return (or reduction in risk) for the attendant cost in time and money. This model is supported by a mathematical analysis suitable for Monte Carlo simulation. The long-term goal of this modeling work is to construct a decision-support tool for the Navy Program Executive Office Integrated Warfare Systems (PEO IWS) offering quantitative information about cost versus diagnostic certainty in system testing.

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 2009
Accession Number
ADA530673

Entities

People

  • Karl D. Pfeiffer
  • Thomas J. Housel
  • Valery A. Kanevsky

Organizations

  • Naval Postgraduate School

Tags

Communities of Interest

  • C4I
  • Energy and Power Technologies
  • Ground and Sea Platforms
  • Human Systems
  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Acquisition
  • Business Administration
  • Complex Systems
  • Computational Science
  • Computer Programs
  • Computers
  • Data Mining
  • Information Science
  • Knowledge Management
  • Management Personnel
  • Mathematical Analysis
  • Mathematical Models
  • Monte Carlo Method
  • Operating Systems
  • Operations Research
  • Test And Evaluation
  • Test Methods

Readers

  • Aerospace Test and Evaluation
  • Enterprise Information Systems Architecture and Joint Command Capability Interoperability Support.
  • Operations Research