Abstract: In the fuzzy environment that the processing times and the due-dates of jobs are fuzzy parameters, the total completion earliness problem of single machine scheduling is investigated.

• 摘 要: 在工件的加工时间及工期均为模糊参数的情况下；研究了单机调度中的总提前完工量问题.；当工件具有共同工期及相同提前隶属水平时；给出了使得总提前完工量达到最大的最优调度;