Each method for economic evaluation has its own characteristics. Therefore adoption of each of them in evaluation production investment project results in many problems. Hence combination & modification of them are required to perform more accurate evaluation about investment project. This paper discuss evaluation method of investment projects expansion and replacement investment on each line or individual in the production. Generally investment evaluation method has add to a few method by Subsidiary means with use a especial method. And then in this paper, a Taguchi Techniques is presented, which may be effective to the facilities appraisal or improvement. We propose a decision model to incorporates the values assigned by a group of experts on different factors in production. Using this model, SN ratio of taguchi method for each of subjective factors as well as values of weights are used in this comprehensive method for reducing production rate in production management.

Abstract
 1. 서론
 2. 생산시스템 설계
  2.1 성능 특성치의 선택 및 목표치 결정
  2.2 손살함수 규정
  2.3 인자의 확인
 3. 시뮬레이션 결과
 4. 결론
 5. 참고문헌

• 조석호
• 양광모
• 서장훈
• 강경식