石油学报(石油加工)
石油學報(石油加工)
석유학보(석유가공)
ACTA PETROLEI SINICA(PETROLEUM PROCESSING SECTION)
2009年
3期
391-400
,共10页
鲁棒优化%短期调度%调和%炼油企业
魯棒優化%短期調度%調和%煉油企業
로봉우화%단기조도%조화%련유기업
robust optimization%short-term scheduling%blending%refinery
汽油调和是炼油企业最重要的操作,也是企业控制产品质量、降低生产成本的关键一步.然而汽油调和生产过程中往往面临诸多不确定因素,如:产品需求存在不确定性,调和组分的物性会出现波动.这些不确定因素为汽油生产调度带来挑战.为了应对这种挑战,提出了一种鲁棒优化模型.在不确定条件下,该模型所产生的调度策略能保证产品需求和产品质量要求得到最大程度的满足.该鲁棒模型的特点是,能处理既有连续概率分布参数又有离散概率分布参数的情形.另外,该模型并不采用场景遍历的方式来处理连续概率分布参数,这样就减小了模型规模,增强其应用于实际问题的能力.最后通过实验验证了该模型的效果.
汽油調和是煉油企業最重要的操作,也是企業控製產品質量、降低生產成本的關鍵一步.然而汽油調和生產過程中往往麵臨諸多不確定因素,如:產品需求存在不確定性,調和組分的物性會齣現波動.這些不確定因素為汽油生產調度帶來挑戰.為瞭應對這種挑戰,提齣瞭一種魯棒優化模型.在不確定條件下,該模型所產生的調度策略能保證產品需求和產品質量要求得到最大程度的滿足.該魯棒模型的特點是,能處理既有連續概率分佈參數又有離散概率分佈參數的情形.另外,該模型併不採用場景遍歷的方式來處理連續概率分佈參數,這樣就減小瞭模型規模,增彊其應用于實際問題的能力.最後通過實驗驗證瞭該模型的效果.
기유조화시련유기업최중요적조작,야시기업공제산품질량、강저생산성본적관건일보.연이기유조화생산과정중왕왕면림제다불학정인소,여:산품수구존재불학정성,조화조분적물성회출현파동.저사불학정인소위기유생산조도대래도전.위료응대저충도전,제출료일충로봉우화모형.재불학정조건하,해모형소산생적조도책략능보증산품수구화산품질량요구득도최대정도적만족.해로봉모형적특점시,능처리기유련속개솔분포삼수우유리산개솔분포삼수적정형.령외,해모형병불채용장경편력적방식래처리련속개솔분포삼수,저양취감소료모형규모,증강기응용우실제문제적능력.최후통과실험험증료해모형적효과.
Gasoline blending and scheduling is the last and important operation in a refinery.It is also the last chance to improve the quality of products and to reduce the production costs.Product producing and blending are always faced with uncertainty,such as uncertain demand for products and fluctuation of properties of blending components.A robust optimization model is used for product blending and scheduling to ensure that the final product can meet the requirements of quality and demand,which can deal with the situation of uncertain parameters with both continuous probability distribution and discrete probability distribution.At the same time,the model can avoid enumerating scenarios for uncertain parameters of continuous probability distribution,which are the drawbacks of scenario-based approaches for practical problems with a large number of uncertain parameters.Finally,an example is used to demonstrate the performance of the presented model and algorithm.