EVALUATING WEAPONS SYSTEM USING FUZZY APPROXIMATE REASONING

Document Type : Original Article

Authors

Abstract

Abstract:
This paper proposed the application of the fuzzy evaluation model using fuzzy sets and
approximate reasoning. The objective of the study is to evaluate the weapon system in a
subjective environment. The proposed method based on fuzzy sets has initiated the idea of
membership set score value evaluation of each criterion alternative. This enables the inclusion
of requirements which are incomplete and imprecise. The approximate reasoning of the
method allows the decision maker to make the best choice in accordance to human thinking
and reasoning processes. The proposed model is based on fuzzy multi-criteria decisionmaking
that consists of fuzzy rules. The use of fuzzy rules, which are extracted directly from
input data in making evaluation, contributes to a better decision in selecting the best option
and less dependency on the domain of experts. Finally, we constructed a practical example
for evaluating attack helicopters to demonstrate the proposed method. From these results, the
proposed method shows outstanding performance in comparing with Cheng et al.’s method
with 100% accuracy in ranking three attack helicopter alternatives, S1 (MI-28), S2 (AH-64,
and S3 (AH-1w). Again the subjective evaluation method showed the advantages of simpler
rules properties in NR , Max_L and Min_L. This research work has achieved its objective and
produced good evaluation results. This portrays its major advantages in making decisions in
new cases, where there is limited or an absence of specific knowledge.

Keywords