装甲兵工程学院学报
裝甲兵工程學院學報
장갑병공정학원학보
JOURNAL OF ARMORED FORCE ENGINEERING INSTITUTE
2015年
3期
8-13
,共6页
备件%需求预测%灰色预测模型%加权马尔可夫预测模型
備件%需求預測%灰色預測模型%加權馬爾可伕預測模型
비건%수구예측%회색예측모형%가권마이가부예측모형
spare part%demand forecasting%grey forecasting model%weighted Markov prediction model
针对备件需求预测中数据波动性大,且多集中于较低数量水平,使得预测值偏差较大的特点,首先应用备件需求量的历史统计数据,建立备件灰色预测模型,并根据数据的实际趋势提出了状态动态划分方法,然后运用加权马尔科夫方法对灰色预测模型的预测结果进行了修正,并通过实例进行了验证,结果表明:应用灰色加权马尔可夫预测方法预测备件需求是可行的。
針對備件需求預測中數據波動性大,且多集中于較低數量水平,使得預測值偏差較大的特點,首先應用備件需求量的歷史統計數據,建立備件灰色預測模型,併根據數據的實際趨勢提齣瞭狀態動態劃分方法,然後運用加權馬爾科伕方法對灰色預測模型的預測結果進行瞭脩正,併通過實例進行瞭驗證,結果錶明:應用灰色加權馬爾可伕預測方法預測備件需求是可行的。
침대비건수구예측중수거파동성대,차다집중우교저수량수평,사득예측치편차교대적특점,수선응용비건수구량적역사통계수거,건립비건회색예측모형,병근거수거적실제추세제출료상태동태화분방법,연후운용가권마이과부방법대회색예측모형적예측결과진행료수정,병통과실례진행료험증,결과표명:응용회색가권마이가부예측방법예측비건수구시가행적。
When forecasting the demand of the spare parts,it can clearly understand the demand data with the characteristics of large fluctuation,focusing on the low number,which can easily lead to great deviation between the predicted and the actual value.So,in view of the characteristics and the law of the historical demand data,according to the demand of equipment of the historical statistical data,it firstly establishes grey forecasting model,and made the division method of the state according to the real trend of the data,then,uses the weighted Markov prediction model to modify the results,to get a more accu-rate prediction results.Through the example,it proves that the grey weighted Markov prediction method is feasible to be used for spare parts demand forecasting.