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1st stage

makespan + q-time violation의 가중합 최소화

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2nd stage

stochastic optimization

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2nd stage idea

  1. 기존 스케줄 변경(재조정 비용) 최소화
  2. pm window 삽입방식
  3. machine risk score penalty
  4. makespan + q_time violation + risk_time + schedule change